402 FOUS62 KALR 230039 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 838 PM EDT SAT AUG 22 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260823 Z DH00/DC202608230038 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 1.9/ 3.6/ 4.9 PRZ002 1.9/ 3.6/ 4.9 PRZ003 1.9/ 3.4/ 4.8 PRZ004 1.9/ 3.4/ 4.8 PRZ005 1.6/ 2.2/ 2.9 PRZ006 1.6/ 2.2/ 2.9 PRZ007 1.6/ 2.2/ 2.9 PRZ008 1.6/ 2.2/ 2.9 PRZ009 1.6/ 2.2/ 2.9 PRZ010 1.6/ 2.2/ 2.9 PRZ011 1.6/ 2.2/ 2.9 PRZ012 2.0/ 3.2/ 4.5 PRZ013 2.0/ 3.2/ 4.5 VIZ001 2.1/ 3.3/ 4.6 VIZ002 2.1/ 3.3/ 4.6 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  811 AWUS01 KWNH 230047 FFGMPD PAZ000-MDZ000-VAZ000-DCZ000-WVZ000-230515- Mesoscale Precipitation Discussion 1114 NWS Weather Prediction Center College Park MD 847 PM EDT Sat Aug 22 2026 Areas affected...central PA into central VA Concerning...Heavy rainfall...Flash flooding possible Valid 230042Z - 230515Z SUMMARY...A threat of flash flooding will continue over the next few hours from portions of central PA into central VA. Hourly rainfall of 1 to 2 inches with peak hourly rainfall of 2 to 3 inches will be possible. DISCUSSION...Mid-level water vapor and GLM imagery from 00Z showed scattered thunderstorms from eastern OH/WV into PA and portions of west-central VA, located out ahead of the base of an amplifying upper trough advancing across the OH Valley, with a couple of leading vorticity maxima at the leading edge. Radar imagery showed a few slow moving and repeating cells over west-central PA and north-central VA (Green, Madison and Culpeper counties) resulting in a broken north-south axis of FLASH Unit Streamflow responses of 200 to 400+ cfs/sq mi and likely a few areas of flash flooding embedded within. Many of these cells are about to be overtaken by eastward propagating boundary from the west, located from near Philipsburg, PA to Cumberland, MD to Waynesboro, VA, advancing between 25-30 kt toward the east. However, the environment out ahead of the advancing line contained 500 to 1500 J/kg MLCAPE (highest to south) and PWs of 1.5 to 1.7 inches via the 00Z LWX sounding and the 00Z SPC mesoanalysis, resulting in localized hourly rainfall of 2 to 3 inches. As the mid to upper-level trough continues to advance east early tonight, thunderstorms will follow suit with movement from west to east over time. Decreasing instability with time for some locations (especially northern and eastern PA) combined with mostly progressive cells should limit the flash flood threat. However, increasing instability over northeastern MD into southeastern PA and the potential for convective development out ahead of the main thunderstorm axis and/or alignment of cells with the mean southwesterly steering flow may result in peak hourly rainfall in excess of 2 inches. Total rainfall of 1 to 3 inches is expected from central PA into central VA, but portions of the northern Mid-Atlantic into eastern PA have received above average rainfall over the past week (200 to 400+ percent of normal). Therefore, locations with above average soil moisture, coupled with any urban locations, will be at higher risk of flash flooding should brief training setup through ~05Z. Otto ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...BGM...CTP...LWX...PHI... ATTN...RFC...RHA...TIR...NWC... LAT...LON 41867775 41867665 41397598 40857568 39927567 39137678 38227790 38357902 39667855 40297843 40987830 41657826  782 FOUS71 KRHA 230150 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 PM EDT SAT AUG 22 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH00/DC2608230130/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.1/ 2.4/ 2.9/ 3.2 :Mahwah (8ft) Ramapo River :MAWN4md 2.4/ 2.7/ 3.3/ 3.8 Mahwah (9) Ramapo River :MAWN4mj 3.4/ 3.9/ 5.0/ 5.6 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.0/ 1.2/ 1.6/ 2.5 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.2/ 1.2/ 1.4/ 2.0 :Lodi (5.5ft) Saddle River :LODN4md 1.6/ 1.7/ 1.9/ 2.7 Lodi (7) Saddle River :LODN4mj 1.9/ 2.0/ 2.2/ 3.2 Lodi (8) Saddle River : Rahway River... SPGN4 1.5/ 1.6/ 1.7/ 2.1 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 2.7/ 2.8/ 3.6/ 4.0 :Chatham (6ft) Passaic River :CAMN4md 5.0/ 5.1/ 5.9/ 6.5 Chatham (7.2) Passaic River :CAMN4mj 5.7/ 5.9/ 6.9/ 7.7 Chatham (8.2) Passaic River : Rockaway River... BOTN4 3.7/ 4.1/ 4.6/ 5.6 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.1/ 4.7/ 5.4/ 6.6 Boonton Abv. (6) Rockaway River :BOTN4mj 4.5/ 5.1/ 5.8/ 7.3 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 2.2/ 2.3/ 2.7/ 2.8 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 2.3/ 2.5/ 3.0/ 3.3 :Stanton (8ft) S. Br. Raritan River :STTN4md 2.5/ 2.7/ 3.5/ 4.1 Stanton (10) S. Br. Raritan River :STTN4mj 2.7/ 2.9/ 4.2/ 4.8 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 1.9/ 2.2/ 2.5/ 3.0 :Raritan (10ft) N. Br. Raritan River :RRTN4md 2.1/ 2.4/ 3.0/ 3.7 Raritan (12) N. Br. Raritan River :RRTN4mj 2.5/ 2.9/ 3.7/ 4.6 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 3.1/ 3.3/ 3.6/ 3.6 :Blackwells Mills(9ft) Millstone River :BKWN4md 3.1/ 3.4/ 3.7/ 3.7 Blackwells Mills(10) Millstone River :BKWN4mj 3.5/ 3.8/ 4.3/ 5.0 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.2/ 2.3/ 2.8/ 3.3 :Trenton (8.5ft) Assunpink Creek :TACN4md 2.3/ 2.5/ 3.4/ 3.8 Trenton (9.5) Assunpink Creek :TACN4mj 2.5/ 2.8/ 3.7/ 4.4 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  783 FOUS71 KRHA 230150 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 PM EDT SAT AUG 22 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH00/DC2608230130/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 2.6/ 2.9/ 3.2/ 3.5 :Cortland (8ft) :CRTN6md 2.7/ 3.1/ 4.0/ 4.3 Cortland (10) :CRTN6mj 2.9/ 3.4/ 4.5/ 5.0 Cortland (12.5) : Chenango River... SHBN6 2.7/ 3.0/ 3.1/ 3.7 :Sherburne (8.5ft) :SHBN6md 2.8/ 3.1/ 3.4/ 4.4 Sherburne (9) :SHBN6mj 2.9/ 3.2/ 3.9/ 4.8 Sherburne (10.6) : Otselic River... CINN6 3.1/ 3.3/ 3.8/ 4.7 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 3.0/ 3.2/ 3.8/ 4.5 :Campbell (8ft) :CMPN6md 3.1/ 3.5/ 4.6/ 5.2 Campbell (10) :CMPN6mj 3.3/ 3.8/ 5.2/ 5.8 Campbell (11) : Canisteo River... WCRN6 2.2/ 2.5/ 3.1/ 4.0 :West Cameron (17ft) :WCRN6md 2.3/ 2.6/ 3.3/ 4.2 West Cameron (18) :WCRN6mj 2.6/ 3.0/ 3.9/ 4.9 West Cameron (21) : Towanda Creek... MONP1 1.9/ 2.0/ 2.5/ 3.1 :Monroeton (15.5ft) :MONP1md 2.0/ 2.2/ 2.7/ 3.4 Monroeton (17) :MONP1mj 2.3/ 2.5/ 3.1/ 4.0 Monroeton (18.5) : Tunkhannock Creek... TNKP1 2.4/ 2.9/ 4.1/ 4.8 :Tunkhannock (11ft) :TNKP1md 2.6/ 3.1/ 4.5/ 5.4 Tunkhannock (14) :TNKP1mj 2.8/ 3.4/ 5.0/ 6.0 Tunkhannock (17) : Lackawanna River... OFRP1 2.4/ 2.8/ 3.4/ 4.6 :Old Forge (11ft) :OFRP1md 2.5/ 3.0/ 3.7/ 4.9 Old Forge (13) :OFRP1mj 2.7/ 3.2/ 4.0/ 5.3 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 3.7/ 4.1/ 4.6/ 5.2 :Margaretville (11ft) :MRGN6md 4.4/ 4.8/ 5.6/ 6.4 Margaretville (12) :MRGN6mj 5.1/ 5.7/ 6.7/ 7.8 Margaretville (13) : West Branch Delaware River... WALN6 2.6/ 2.7/ 3.0/ 3.6 :Walton (11.5ft) :WALN6md 2.9/ 3.2/ 3.6/ 4.1 Walton (14) :WALN6mj 3.5/ 3.8/ 4.3/ 4.9 Walton (16) : Beaverkill Creek... CKFN6 1.9/ 2.1/ 2.4/ 2.8 :Cooks Falls (10ft) :CKFN6md 2.7/ 3.0/ 3.7/ 4.7 Cooks Falls (16) :CKFN6mj 3.2/ 3.5/ 4.4/ 5.8 Cooks Falls (18) : Lackawaxen River... HWYP1 2.5/ 2.8/ 3.4/ 4.2 :Hawley (14ft) :HWYP1md 3.2/ 3.6/ 4.4/ 5.5 Hawley (20) :HWYP1mj 3.5/ 3.9/ 4.8/ 6.0 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 1.9/ 2.5/ 3.5/ 4.3 :Mansfield (12ft) :MFDP1md 2.1/ 2.7/ 3.9/ 4.7 Mansfield (13) :MFDP1mj 2.3/ 3.0/ 4.4/ 5.2 Mansfield (14) : Penns Creek... PNCP1 2.8/ 3.2/ 3.3/ 3.8 :Penns Creek (8ft) :PNCP1md 3.0/ 3.4/ 3.8/ 4.7 Penns Creek (10) :PNCP1mj 3.2/ 3.7/ 4.5/ 5.6 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 1.2/ 1.4/ 1.6/ 1.6 :Williamsburg (12ft) :WIBP1md 1.2/ 1.4/ 1.7/ 1.8 Williamsburg (13) :WIBP1mj 1.3/ 1.5/ 1.9/ 2.4 Williamsburg (15) : Little Juniata River... SPKP1 1.3/ 1.4/ 1.5/ 1.6 :Spruce Creek (8ft) :SPKP1md 1.5/ 1.5/ 1.8/ 1.9 Spruce Creek (10) :SPKP1mj 1.8/ 1.9/ 2.4/ 2.7 Spruce Creek (14) : Aughwick Creek... SLYP1 1.7/ 1.8/ 1.9/ 2.2 :Shirleysburg (10ft) :SLYP1md 1.9/ 2.0/ 2.2/ 2.7 Shirleysburg (12) :SLYP1mj 4.0/ 4.3/ 5.1/ 7.0 Shirleysburg (20) : Sherman Creek... SMDP1 2.3/ 2.6/ 3.1/ 3.7 :Shermans Dale (9ft) :SMDP1md 2.6/ 3.0/ 3.6/ 4.3 Shermans Dale (11) :SMDP1mj 4.0/ 4.6/ 5.5/ 6.3 Shermans Dale (16) : Conodoguinet Creek... HGSP1 3.3/ 3.4/ 3.6/ 3.6 :Hogestown (8ft) :HGSP1md 3.5/ 3.8/ 4.5/ 5.0 Hogestown (10) :HGSP1mj 3.8/ 4.3/ 5.3/ 5.9 Hogestown (12) : Yellow Breeches Creek... CPHP1 1.9/ 2.3/ 2.6/ 4.0 :Camp Hill (7ft) :CPHP1md 2.0/ 2.4/ 2.9/ 4.3 Camp Hill (9) :CPHP1mj 2.5/ 3.0/ 3.9/ 5.5 Camp Hill (13) : Swatara Creek... HTVP1 2.1/ 2.5/ 3.0/ 4.3 :Harper Tavern (9ft) :HTVP1md 2.4/ 2.9/ 3.8/ 5.2 Harper Tavern (12) :HTVP1mj 2.8/ 3.4/ 4.3/ 6.0 Harper Tavern (15) : Conestoga River... LNCP1 1.8/ 2.1/ 2.2/ 3.2 :Lancaster (11ft) :LNCP1md 1.9/ 2.3/ 2.5/ 3.5 Lancaster (13) :LNCP1mj 2.1/ 2.6/ 2.9/ 3.9 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 2.7/ 2.8/ 2.9/ 3.1 :Landingville (8ft) :LGVP1md 3.5/ 3.8/ 3.9/ 4.3 Landingville (12) :LGVP1mj 4.2/ 4.7/ 4.9/ 5.4 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 3.0/ 3.9/ 4.8/ 6.1 :Berne (12ft) :BREP1md 3.3/ 4.3/ 5.4/ 7.0 Berne (14) :BREP1mj 3.7/ 4.8/ 5.9/ 7.7 Berne (16) : Bush Kill... SHOP1 2.7/ 3.3/ 3.6/ 3.6 :Shoemakers (6ft) :SHOP1md 2.9/ 3.5/ 4.1/ 4.6 Shoemakers (7) :SHOP1mj 3.1/ 3.7/ 4.6/ 5.2 Shoemakers (8) : Brodhead Creek... MNSP1 1.9/ 2.3/ 2.9/ 3.8 :Minisink Hills(10ft) :MNSP1md 2.0/ 2.4/ 3.3/ 4.3 Minisink Hills(12) :MNSP1mj 2.3/ 2.8/ 3.8/ 5.0 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.5/ 4.8/ 5.3/ 6.2 :Allentown-10th (8ft) :APAP1md 5.4/ 5.8/ 6.4/ 7.7 Allentown-10th (10) :APAP1mj 6.4/ 6.9/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 1.9/ 2.2/ 2.9/ 3.6 :Graterford (11ft) :GRAP1md 2.0/ 2.4/ 3.3/ 3.9 Graterford (13) :GRAP1mj 2.3/ 2.8/ 3.9/ 4.6 Graterford (16) : Neshaminy Creek... LNGP1 2.6/ 2.6/ 2.6/ 2.6 :Langhorne (9ft) :LNGP1md 2.8/ 2.9/ 3.1/ 3.1 Langhorne (10) :LNGP1mj 3.0/ 3.1/ 3.6/ 3.9 Langhorne (12) : Chester Creek... CHSP1 1.8/ 1.9/ 2.1/ 2.7 :Chester (8ft) :CHSP1md 2.3/ 2.4/ 2.8/ 3.5 Chester (10) :CHSP1mj 3.2/ 3.4/ 3.8/ 4.8 Chester (14) : West Branch Brandywine Creek... MODP1 3.9/ 4.1/ 4.4/ 4.6 :Modena (9ft) :MODP1md 4.4/ 4.7/ 5.1/ 5.3 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 1.2/ 1.2/ 1.2/ 1.4 :Downingtown (7ft) :DWNP1md 1.9/ 1.9/ 2.0/ 2.2 Downingtown (9) :DWNP1mj 2.7/ 2.8/ 2.9/ 3.2 Downingtown (11) : Brandywine Creek... CDFP1 2.1/ 2.1/ 2.2/ 2.4 :Chadds Ford (9ft) :CDFP1md 2.3/ 2.4/ 2.7/ 3.4 Chadds Ford (11) :CDFP1mj 2.5/ 2.6/ 3.4/ 4.2 Chadds Ford (13) : Christina River... CHBD1 1.5/ 1.6/ 1.9/ 2.7 :Coochs Brdg(11ft) :CHBD1md 1.9/ 2.0/ 2.4/ 3.4 Coochs Brdg(12) :CHBD1mj 2.5/ 2.7/ 3.2/ 4.5 Coochs Brdg(13) : White Clay Creek... DPKD1 1.6/ 1.7/ 1.9/ 2.5 :Delaware Pk (13ft) :DPKD1md 2.3/ 2.4/ 2.7/ 3.4 Delaware Pk (15) :DPKD1mj 3.4/ 3.6/ 3.9/ 5.0 Delaware Pk (16.5) : Red Clay Creek... RCCD1 1.9/ 2.1/ 2.4/ 2.9 :Wooddale (7ft) :RCCD1md 2.6/ 2.9/ 3.2/ 3.9 Wooddale (8.5) :RCCD1mj 3.3/ 3.6/ 4.0/ 4.8 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260823 Z DH00/DC2608230130/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 4.0/ 4.1/ 4.5/ 5.4 :Archbald (8ft) :ARHP1md 4.6/ 4.8/ 5.2/ 6.3 Archbald (9) :ARHP1mj 5.2/ 5.4/ 6.0/ 7.3 Archbald (10) PKIP1 4.4/ 4.5/ 4.7/ 5.2 :Scranton (12.5ft.) :PKIP1md 4.7/ 4.9/ 5.0/ 5.6 Scranton (14) :PKIP1mj 4.9/ 5.0/ 5.2/ 5.8 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260823 DC2608230150/DH03/HGIFX/DIH3/ .E1 1.8/1.8/1.9/2.1/2.2/2.3/2.3/2.1 .E PKIP1 20260823 DC2608230150/DH03/HGIFX/DIH3/ .E1 1.1/1.1/1.3/1.6/1.8/1.9/1.9/1.7 $$ NNNN  784 FOUS71 KRHA 230150 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 PM EDT SAT AUG 22 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH00/DC2608230130/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.2/ 2.4/ 2.9/ 3.6 :Kitzmiller (9ft) :KITM2md 3.0/ 3.4/ 4.2/ 5.6 Kitzmiller (11) :KITM2mj 4.4/ 5.0/ 6.4/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.1/ 1.3/ 1.5/ 1.8 :Westernport (8ft) :WSTM2md 1.7/ 2.0/ 2.3/ 2.7 Westernport (10) :WSTM2mj 2.4/ 2.7/ 3.2/ 3.7 Westernport (12) : South Branch Potomac River... FKLW2 1.8/ 2.1/ 2.4/ 3.1 :Franklin (7ft) :FKLW2md 2.0/ 2.3/ 2.6/ 3.7 Franklin (9) :FKLW2mj 2.2/ 2.6/ 3.0/ 4.3 Franklin (11) : Opequon Creek... MBGW2 2.6/ 3.4/ 3.8/ 4.9 :Martinsburg (10ft) :MBGW2md 2.8/ 3.6/ 4.1/ 5.7 Martinsburg (12.5) :MBGW2mj 3.2/ 4.0/ 4.9/ 6.6 Martinsburg (15) : South River... WAYV2 3.5/ 4.3/ 5.7/ 7.2 :Waynesboro (9.5ft) :WAYV2md 3.7/ 4.6/ 6.2/ 7.9 Waynesboro (11) :WAYV2mj 4.0/ 5.0/ 6.9/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 1.7/ 2.1/ 2.9/ 3.6 :Cootes Store (15ft) :COOV2md 2.2/ 2.5/ 3.7/ 4.6 Cootes Store (18) :COOV2mj 2.6/ 3.1/ 4.6/ 5.8 Cootes Store (21) : Antietam Creek... SACM2 2.3/ 3.0/ 4.1/ 5.8 :Sharpsburg (8ft) :SACM2md 2.4/ 3.2/ 4.8/ 6.4 Sharpsburg (10) :SACM2mj 2.6/ 3.5/ 5.5/ 7.2 Sharpsburg (12) : Seneca Creek... DAWM2 2.6/ 2.8/ 3.1/ 3.8 :Dawsonville (7.5ft) :DAWM2md 3.1/ 3.6/ 4.9/ 6.2 Dawsonville (11) :DAWM2mj 5.1/ 6.0/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 4.4/ 6.3/ 7.4/ 8.0 :Buena Vista (17ft) :BVSV2cs 4.0/ 5.3/ 6.8/ 8.0 Buena Vista (13) :BVSV2md 4.6/ 6.5/ 7.4/ 8.0 Buena Vista (19) :BVSV2mj 4.8/ 6.8/ 7.4/ 8.0 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive.,Washington DC .B RHA 260823 Z DH00/DC2608230130/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.8/ 2.0/ 2.1/ 2.6 :Washington, DC (7ft) :RCKD2md 2.5/ 2.7/ 3.0/ 3.7 Washington, DC (10) :RCKD2mj 3.3/ 3.6/ 4.0/ 4.8 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260823 DC2608230150/DH03/HGIFX/DIH3/ .E1 2.0/2.2/2.3/2.3/2.2/2.1/2.0/2.0 $$ NNNN  181 FOUS73 KMSR 230200 FFHMPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 TWIN CITIES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : SNCM5 2.5/ 2.7/ 3.0 :JORDAN MN SAND CR PNLM5 3.2/ 3.8/ 4.5 :PINE ISLAND MN MID FK ZUMBRO R PILM5 3.5/ 4.0/ 4.5 :PINE ISLAND MN N B MID FK ZUMBRO R WGOM5 3.5/ 4.0/ 4.5 :WANAMINGO MN NO FK ZUMBRO R .END $$  182 FOUS73 KMSR 230200 FFHMKX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 MILWAUKEE HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** WISCONSIN HEADWATER POINTS *** : AFTW3 2.1/ 2.5/ 3.0 :AFTON WI ROCK R BCHW3 1.9/ 2.1/ 2.4 :BLANCHARDVILLE WI E BR PECATONICA R BUNW3 2.4/ 2.7/ 3.2 :BUNCOMBE WI GALENA R DARW3 2.4/ 2.6/ 3.3 :DARLINGTON WI PECATONICA R MTNW3 1.7/ 2.0/ 2.9 :MARTINTOWN WI PECATONICA R MAZW3 2.2/ 2.4/ 3.0 :MAZOMANIE WI BLACK EARTH CR KINW3 2.9/ 3.5/ 4.3 :MILWAUKEE WI KINNICKINNIC R SEBW3 2.6/ 2.8/ 3.4 :SHEBOYGAN WI SHEBOYGAN R WKEW3 3.2/ 3.2/ 3.2 :WAUKESHA WI FOX R WWTW3 3.4/ 3.6/ 3.9 :WAUWATOSA WI MENOMONEE R BLOW3 1.6/ 1.7/ 2.0 :BELOIT WI TURTLE CR MFSW3 0.5/ 1.0/ 1.0 :MENOMONEE FALLS WI MENOMONEE R OAKW3 2.0/ 2.2/ 2.6 :SOUTH MILWAUKEE OAK CR .END $$  183 FOUS73 KMSR 230200 FFHLSX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 ST LOUIS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MISSOURI HEADWATER POINTS *** : EWNM7 3.0/ 3.4/ 3.8 :EWING MO 5E NORTH FABIUS R EWMM7 3.1/ 3.4/ 3.8 :EWING MO 1NNE MIDDLE FABIUS R PALM7 1.8/ 2.0/ 2.3 :PALMYRA MO NORTH R TAYM7 1.8/ 2.3/ 2.9 :TAYLOR MO S FABIUS R PMZM7 2.3/ 2.7/ 3.1 :HOLLIDAY MO 2N MI FK SALT R TRYM7 1.7/ 1.8/ 2.0 :TROY MO CUIVRE R DRCM7 2.0/ 2.1/ 2.3 :ST PETERS MO DARDENNE CR LSLM7 2.1/ 2.3/ 2.6 :LAKE SAINT LOUIS PERUQUE CR - ABOVE LSTM7 1.6/ 1.8/ 2.0 :LAKE ST LOUIS MO PERUQUE CR CSNM7 1.5/ 1.6/ 1.7 :COOK STATION MO 1N MERAMEC R SEEM7 1.4/ 1.6/ 1.9 :STEELVILLE MO 2N MERAMEC R UNNM7 3.2/ 3.4/ 3.6 :UNION MO BOURBEUSE R BYRM7 2.7/ 3.2/ 3.7 :BYRNESVILLE MO 2NNE BIG R .END $$  184 FOUS73 KMSR 230200 FFHLOT HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 CHICAGO HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : NBPI2 2.5/ 2.6/ 2.9 :CHICAGO IL N BR CHICAGO R CDCI2 1.0/ 1.3/ 1.5 :CHICAGO HEIGHTS IL DEER CR DRFI2 2.4/ 2.8/ 3.8 :DEERFIELD IL N BR CHICAGO R DEKI2 3.5/ 4.0/ 4.5 :DE KALB IL S BR KISHWAUKEE R DSPI2 3.0/ 3.1/ 3.2 :DES PLAINES IL DES PLAINES R WLRI2 3.0/ 3.4/ 3.8 :DES PLAINES IL WELLER CR EMHI2 2.7/ 3.1/ 3.5 :ELMHURST IL SALT CR FLSI2 1.1/ 1.4/ 1.7 :FLOSSMOOR IL BUTTERFIELD CR GLWI2 1.4/ 1.8/ 2.2 :GLENWOOD IL THORN CR GUNI2 2.6/ 2.7/ 2.7 :GURNEE IL DES PLAINES R JHCI2 2.4/ 2.6/ 2.8 :JOLIET IL HICKORY CR LAFI2 2.4/ 2.8/ 3.8 :LAKE FOREST IL SKOKIE R NILI2 3.5/ 4.0/ 4.5 :NILES IL N BR CHICAGO R NBRI2 3.5/ 4.0/ 4.5 :NORTHBROOK IL W FK N BR CHICAGO R OAKI2 3.0/ 3.1/ 3.5 :OAK FOREST IL MIDLOTHIAN CR MCDI2 3.2/ 3.6/ 4.0 :PROSPECT HTS IL MCDONALD CR ALPI2 1.5/ 1.6/ 1.8 :ROCKFORD IL ALPINE DAM-KEITH CR LEVI2 1.8/ 2.2/ 2.7 :ROCKFORD IL LEVINGS LAKE PPLI2 1.9/ 2.4/ 2.9 :ROCKFORD IL PAGE PARK LAKE ROLI2 2.8/ 3.3/ 3.7 :ROLLING MEADOWS IL SALT CR SCHI2 3.5/ 3.9/ 4.5 :ST CHARLES IL FERSON CR SORI2 3.5/ 3.7/ 3.8 :SHOREWOOD IL DU PAGE R THNI2 1.2/ 1.2/ 1.2 :THORNTON IL THORN CR WHEI2 2.9/ 3.1/ 3.4 :WHEELING IL BUFFALO CR WLSI2 3.5/ 4.0/ 4.5 :WILLOW SPRINGS IL FLAG CR YRKI2 2.5/ 2.6/ 2.6 :YORKVILLE IL BLACKBERRY CR : : *** INDIANA HEADWATER POINTS *** : HDDI3 3.5/ 4.0/ 4.5 :DYER IN HART DITCH MNTI3 3.4/ 3.4/ 3.5 :MUNSTER IN HART DITCH LCMI3 2.7/ 2.7/ 2.7 :MUNSTER IN LITTLE CALUMET R PRTI3 2.1/ 2.1/ 2.1 :PORTER IN LITTLE CALUMET R .END $$  190 FOUS73 KMSR 230200 FFHDMX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 DES MOINES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : AKWI4 2.9/ 3.0/ 3.1 :ACKWORTH IA SOUTH R AMWI4 2.9/ 3.0/ 3.0 :AMES IA IOWAY CR BSSI4 2.9/ 3.0/ 3.2 :BUSSEY IA CEDAR CR DFMI4 3.4/ 3.5/ 3.6 :DSM-EASTON FOUR MILE CR CLVI4 2.6/ 2.9/ 3.2 :CLIVE I-80/35 WALNUT CR DOSI4 2.8/ 2.9/ 3.3 :DSM-63RD ST WALNUT CR MCWI4 3.5/ 3.7/ 4.3 :MASON CITY IA WINNEBAGO R .END $$  192 FOUS73 KMSR 230200 FFHAPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 GAYLORD HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MICHIGAN HEADWATER POINTS *** : BVTM4 3.5/ 4.0/ 4.5 :BEAVERTON MI TOBACCO R MYFM4 3.5/ 4.0/ 4.2 :MAYFIELD MI BOARDMAN R RUDM4 3.5/ 4.0/ 4.5 :RUDYARD MI PINE RIVER .END $$  193 FOUS73 KMSR 230200 FFHILX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 LINCOLN HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : BMII2 3.5/ 4.0/ 4.5 :BLOOMINGTON IL SUGAR CR RLLI2 0.5/ 1.0/ 1.0 :ROWELL IL SALT CR .END $$  195 FOUS73 KMSR 230200 FFHARX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 LA CROSSE HYDRLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : DEHI4 3.5/ 4.0/ 4.5 :DECORAH IA UPPER IOWA R DCHI4 2.8/ 3.1/ 3.7 :DORCHESTER IA UPPER IOWA R GRBI4 2.3/ 2.5/ 2.7 :GARBER IA TURKEY R : : *** MINNESOTA HEADWATER POINTS *** : ASTM5 2.4/ 2.6/ 3.0 :AUSTIN WWTP MN CEDAR R DOBM5 2.9/ 3.0/ 3.2 :AUSTIN MN-21ST DOBBINS CR TRCM5 3.3/ 3.6/ 4.3 :AUSTIN MN-41 AV NW TURTLE CR HOUM5 2.1/ 2.4/ 2.9 :HOUSTON MN ROOT R LNSM5 3.1/ 3.5/ 4.0 :LANESBORO MN S BR ROOT R LANM5 2.8/ 3.0/ 3.3 :LANSING MN CEDAR R PTNM5 3.1/ 3.3/ 4.1 :PRESTON MN S BR ROOT R RBCM5 3.5/ 3.9/ 4.4 :ROCHESTER MN BEAR CR RCCM5 3.3/ 3.6/ 4.2 :ROCHESTER MN CASCADE CR ROCM5 3.5/ 4.0/ 4.5 :ROCHESTER MN SILVER CR RCSM5 3.5/ 4.0/ 4.5 :HWY 14 ROCHESTER S FK ZUMBRO R RCHM5 3.4/ 3.9/ 4.5 :ROCHESTER MN S FK ZUMBRO R WSPM5 2.9/ 3.1/ 3.7 :WHITEWATER ST.PK MFK WHITEWATER R ZUMM5 3.3/ 4.0/ 4.5 :ZUMBRO FALLS MN ZUMBRO R : : *** WISCONSIN HEADWATER POINTS *** : BTNW3 2.2/ 2.3/ 2.3 :BURTON WI GRANT R DDGW3 3.5/ 3.6/ 3.7 :DODGE WI TREMPEALEAU R GMIW3 3.2/ 3.4/ 3.7 :GAYS MILLS WI KICKAPOO R HILW3 2.1/ 2.2/ 2.3 :HILLSBORO WWTP WI S BR BARABOO R LAFW3 2.6/ 2.7/ 2.9 :LA FARGE WI KICKAPOO R NEIW3 2.7/ 3.5/ 4.4 :NEILLSVILLE WI BLACK R ONTW3 2.6/ 2.7/ 2.8 :ONTARIO WI KICKAPOO R REAW3 2.8/ 3.0/ 3.1 :READSTOWN WI KICKAPOO R RVLW3 2.8/ 2.9/ 3.2 :ROCKVILLE WI 2E PLATTE R SOGW3 2.7/ 2.8/ 2.8 :SOLDIERS GROVE WI KICKAPOO R STEW3 2.9/ 3.0/ 3.1 :STEUBEN WI KICKAPOO R VIOW3 2.6/ 2.7/ 2.8 :VIOLA WI KICKAPOO R .END $$  196 FOUS73 KMSR 230200 FFHFGF HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT SAT AUG 22 2026 GRAND FORKS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH00/DC2608230200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : CSRM5 3.5/ 4.0/ 4.1 :CAMPBELL MN 1W SO FK RABBIT R MALM5 3.5/ 3.8/ 4.5 :MALUNG MN 2NW ROSEAU R BLO SO FK : : *** NORTH DAKOTA HEADWATER POINTS *** : DWGN8 3.5/ 4.0/ 4.5 :DWIGHT ND 1NE ANTELOPE CR HGRN8 3.5/ 4.0/ 4.5 :HILLSBORO ND GOOSE R LTRN8 2.6/ 2.8/ 3.0 :LARIMORE ND 5ENE TURTLE R .END $$  468 AWUS01 KWNH 230452 FFGMPD NJZ000-PAZ000-DEZ000-MDZ000-VAZ000-230900- Mesoscale Precipitation Discussion 1115 NWS Weather Prediction Center College Park MD 1251 AM EDT Sun Aug 23 2026 Areas affected...portions of Maryland, southeastern Pennsylvania, southern/central New Jersey, and Delaware Concerning...Heavy rainfall...Flash flooding possible Valid 230450Z - 230900Z Summary...Isolated flash flood potential will continue - especially as thunderstorms spread eastward toward populated areas of the I-95 Urban Corridor through 09Z/5a eastern. Discussion...A line of thunderstorms has persisted through much of the night across much of the northern Mid-Atlantic and currently extends from near Lancaster to near Frederick, and from near Waldorf across the Chesapeake Bay to near Cambridge, MD. The storms are being aided by ascent associated with a negative-tilt, longwave trough extending from Lake Huron to West Virginia along with instability from a very moist downstream airmass in place across the Mid-Atlantic (characterized by 1.5+ inch PW and ~500 J/kg MLCAPE). While most convection was linear in character, a few spots of 1 inch/hr rain rates exist in north-central Maryland, while new shower/convective development has recently appears across southern NJ and vicinity. This suggests a likelihood for persistence of these convective bands with eastward extent toward Wilmington/Philadelphia and vicinity, posing a risk of urban flash flooding beginning in the 06-07Z timeframe. Persistence of convection northeastward from that point is in doubt, however, as weaker/negligible buoyancy exists from central NJ northward. Isolated/spotty flash flood potential exists with this activity. Cook ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...AKQ...CTP...LWX...PHI... ATTN...RFC...RHA...NWC... LAT...LON 40477461 39797430 38467503 37887572 39137660 39737701 40377562  875 AWUS01 KWNH 230605 FFGMPD SDZ000-WYZ000-231003- Mesoscale Precipitation Discussion 1116 NWS Weather Prediction Center College Park MD 204 AM EDT Sun Aug 23 2026 Areas affected...southwestern South Dakota and vicinity Concerning...Heavy rainfall...Flash flooding possible Valid 230603Z - 231003Z Summary...A conditional risk of flash flooding exists with scattered storms near the Rapid City area. Discussion...Deep convection has materialized over the Black Hills vicinity over the past couple hours - very near the WY/SD border region. The storms are persistent despite larger-scale ridging aloft, and are primarily tied to mid-level shortwave troughs traversing the region, focused convergence on the nose of 20-25 kt 850mb flow across the High Plains, steep (7+ C/km) lapse rates aloft, and 1.5 inch PW in the vicinity of the storms. While these storms were fairly localized, spots of 1-3 inch/hr rain rates were estimated per MRMS recently with the activity. Furthermore, the meso- and synoptic-scale features forcing the convection (mainly the 850mb convergence into the region) should change little over the next 2-4 hours. These factors suggests a continued risk of heavy rainfall from Newcastle WY to Rapid City and across the Black Hills, with flash flooding becoming possible should rainfall develop in locally sensitive areas through 10Z/5a central. FFG thresholds are as low as 1-1.5 inch/hr in spots across the discussion area, which should also be threatened at times beneath the most persistent heavy rainfall axes. Cook ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...CYS...UNR... ATTN...RFC...KRF...NWC... LAT...LON 44660340 44340196 43590160 43090231 43260464 44400487  450 FOUS71 KRHA 230750 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 AM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH06/DC2608230730/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.2/ 2.4/ 2.9/ 3.3 :Mahwah (8ft) Ramapo River :MAWN4md 2.4/ 2.7/ 3.4/ 3.9 Mahwah (9) Ramapo River :MAWN4mj 3.4/ 3.9/ 5.0/ 5.6 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.1/ 1.3/ 1.6/ 2.5 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.2/ 1.2/ 1.4/ 2.0 :Lodi (5.5ft) Saddle River :LODN4md 1.6/ 1.7/ 1.9/ 2.8 Lodi (7) Saddle River :LODN4mj 1.9/ 2.0/ 2.3/ 3.2 Lodi (8) Saddle River : Rahway River... SPGN4 1.6/ 1.6/ 1.7/ 2.2 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 2.8/ 2.8/ 3.7/ 4.1 :Chatham (6ft) Passaic River :CAMN4md 5.0/ 5.1/ 6.0/ 6.6 Chatham (7.2) Passaic River :CAMN4mj 5.7/ 6.0/ 6.9/ 7.8 Chatham (8.2) Passaic River : Rockaway River... BOTN4 3.7/ 4.2/ 4.7/ 5.7 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.2/ 4.8/ 5.4/ 6.7 Boonton Abv. (6) Rockaway River :BOTN4mj 4.5/ 5.1/ 5.9/ 7.3 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 2.2/ 2.4/ 2.7/ 2.9 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 2.3/ 2.5/ 3.1/ 3.4 :Stanton (8ft) S. Br. Raritan River :STTN4md 2.5/ 2.7/ 3.6/ 4.1 Stanton (10) S. Br. Raritan River :STTN4mj 2.7/ 3.0/ 4.2/ 4.9 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 2.0/ 2.2/ 2.6/ 3.1 :Raritan (10ft) N. Br. Raritan River :RRTN4md 2.1/ 2.5/ 3.0/ 3.8 Raritan (12) N. Br. Raritan River :RRTN4mj 2.5/ 2.9/ 3.8/ 4.7 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 3.1/ 3.4/ 3.7/ 3.7 :Blackwells Mills(9ft) Millstone River :BKWN4md 3.2/ 3.4/ 3.8/ 3.8 Blackwells Mills(10) Millstone River :BKWN4mj 3.5/ 3.9/ 4.3/ 5.1 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.3/ 2.4/ 2.7/ 3.4 :Trenton (8.5ft) Assunpink Creek :TACN4md 2.4/ 2.6/ 3.3/ 3.8 Trenton (9.5) Assunpink Creek :TACN4mj 2.5/ 2.9/ 3.7/ 4.4 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  452 FOUS71 KRHA 230750 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 AM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH06/DC2608230730/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 2.6/ 2.9/ 3.2/ 3.6 :Cortland (8ft) :CRTN6md 2.8/ 3.1/ 4.0/ 4.4 Cortland (10) :CRTN6mj 3.0/ 3.5/ 4.5/ 5.1 Cortland (12.5) : Chenango River... SHBN6 2.7/ 3.0/ 3.1/ 3.7 :Sherburne (8.5ft) :SHBN6md 2.8/ 3.1/ 3.4/ 4.5 Sherburne (9) :SHBN6mj 2.9/ 3.2/ 3.9/ 4.8 Sherburne (10.6) : Otselic River... CINN6 3.1/ 3.3/ 3.8/ 4.7 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 3.0/ 3.2/ 3.8/ 4.5 :Campbell (8ft) :CMPN6md 3.1/ 3.5/ 4.6/ 5.2 Campbell (10) :CMPN6mj 3.3/ 3.8/ 5.2/ 5.8 Campbell (11) : Canisteo River... WCRN6 2.2/ 2.5/ 3.1/ 3.9 :West Cameron (17ft) :WCRN6md 2.2/ 2.6/ 3.2/ 4.1 West Cameron (18) :WCRN6mj 2.5/ 2.9/ 3.8/ 4.8 West Cameron (21) : Towanda Creek... MONP1 1.7/ 1.8/ 2.3/ 2.9 :Monroeton (15.5ft) :MONP1md 1.8/ 2.0/ 2.5/ 3.2 Monroeton (17) :MONP1mj 2.0/ 2.2/ 2.9/ 3.7 Monroeton (18.5) : Tunkhannock Creek... TNKP1 2.4/ 2.9/ 4.2/ 4.8 :Tunkhannock (11ft) :TNKP1md 2.6/ 3.2/ 4.6/ 5.5 Tunkhannock (14) :TNKP1mj 2.8/ 3.5/ 5.0/ 6.0 Tunkhannock (17) : Lackawanna River... OFRP1 2.4/ 2.9/ 3.5/ 4.7 :Old Forge (11ft) :OFRP1md 2.5/ 3.0/ 3.7/ 4.9 Old Forge (13) :OFRP1mj 2.7/ 3.2/ 4.1/ 5.4 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 3.7/ 4.1/ 4.7/ 5.2 :Margaretville (11ft) :MRGN6md 4.4/ 4.9/ 5.6/ 6.4 Margaretville (12) :MRGN6mj 5.1/ 5.7/ 6.7/ 7.8 Margaretville (13) : West Branch Delaware River... WALN6 2.6/ 2.8/ 3.1/ 3.6 :Walton (11.5ft) :WALN6md 2.9/ 3.2/ 3.6/ 4.1 Walton (14) :WALN6mj 3.5/ 3.8/ 4.3/ 4.9 Walton (16) : Beaverkill Creek... CKFN6 1.9/ 2.1/ 2.4/ 2.8 :Cooks Falls (10ft) :CKFN6md 2.7/ 3.0/ 3.7/ 4.7 Cooks Falls (16) :CKFN6mj 3.2/ 3.5/ 4.4/ 5.8 Cooks Falls (18) : Lackawaxen River... HWYP1 2.5/ 2.9/ 3.4/ 4.2 :Hawley (14ft) :HWYP1md 3.3/ 3.6/ 4.4/ 5.5 Hawley (20) :HWYP1mj 3.5/ 4.0/ 4.8/ 6.0 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 1.7/ 2.2/ 3.3/ 4.0 :Mansfield (12ft) :MFDP1md 1.8/ 2.4/ 3.6/ 4.4 Mansfield (13) :MFDP1mj 2.0/ 2.7/ 4.1/ 4.9 Mansfield (14) : Penns Creek... PNCP1 2.2/ 2.5/ 2.6/ 2.9 :Penns Creek (8ft) :PNCP1md 2.3/ 2.7/ 3.2/ 4.0 Penns Creek (10) :PNCP1mj 2.6/ 3.1/ 3.9/ 4.9 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 1.2/ 1.3/ 1.6/ 1.6 :Williamsburg (12ft) :WIBP1md 1.2/ 1.4/ 1.6/ 1.6 Williamsburg (13) :WIBP1mj 1.3/ 1.5/ 1.9/ 2.1 Williamsburg (15) : Little Juniata River... SPKP1 1.1/ 1.1/ 1.3/ 1.3 :Spruce Creek (8ft) :SPKP1md 1.2/ 1.3/ 1.5/ 1.7 Spruce Creek (10) :SPKP1mj 1.6/ 1.7/ 2.2/ 2.5 Spruce Creek (14) : Aughwick Creek... SLYP1 1.1/ 1.2/ 1.4/ 1.7 :Shirleysburg (10ft) :SLYP1md 1.3/ 1.4/ 1.6/ 2.1 Shirleysburg (12) :SLYP1mj 3.4/ 3.8/ 4.6/ 6.4 Shirleysburg (20) : Sherman Creek... SMDP1 1.7/ 2.1/ 2.6/ 3.1 :Shermans Dale (9ft) :SMDP1md 2.1/ 2.5/ 3.1/ 3.7 Shermans Dale (11) :SMDP1mj 3.4/ 4.0/ 5.0/ 5.7 Shermans Dale (16) : Conodoguinet Creek... HGSP1 2.8/ 2.8/ 3.0/ 3.0 :Hogestown (8ft) :HGSP1md 3.0/ 3.2/ 4.0/ 4.4 Hogestown (10) :HGSP1mj 3.3/ 3.7/ 4.7/ 5.3 Hogestown (12) : Yellow Breeches Creek... CPHP1 1.4/ 1.8/ 2.1/ 3.5 :Camp Hill (7ft) :CPHP1md 1.6/ 2.0/ 2.4/ 3.8 Camp Hill (9) :CPHP1mj 2.1/ 2.5/ 3.5/ 5.0 Camp Hill (13) : Swatara Creek... HTVP1 1.7/ 2.1/ 2.7/ 3.9 :Harper Tavern (9ft) :HTVP1md 2.0/ 2.5/ 3.4/ 4.9 Harper Tavern (12) :HTVP1mj 2.4/ 3.0/ 3.9/ 5.7 Harper Tavern (15) : Conestoga River... LNCP1 1.5/ 1.8/ 2.0/ 2.9 :Lancaster (11ft) :LNCP1md 1.6/ 2.0/ 2.3/ 3.2 Lancaster (13) :LNCP1mj 1.8/ 2.3/ 2.6/ 3.7 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 2.6/ 2.7/ 2.8/ 2.9 :Landingville (8ft) :LGVP1md 3.3/ 3.6/ 3.8/ 4.1 Landingville (12) :LGVP1mj 4.1/ 4.5/ 4.8/ 5.3 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 2.8/ 3.7/ 4.6/ 5.9 :Berne (12ft) :BREP1md 3.1/ 4.1/ 5.2/ 6.9 Berne (14) :BREP1mj 3.5/ 4.6/ 5.7/ 7.5 Berne (16) : Bush Kill... SHOP1 2.7/ 3.3/ 3.6/ 3.6 :Shoemakers (6ft) :SHOP1md 2.9/ 3.5/ 4.2/ 4.7 Shoemakers (7) :SHOP1mj 3.1/ 3.8/ 4.7/ 5.2 Shoemakers (8) : Brodhead Creek... MNSP1 1.9/ 2.3/ 2.9/ 3.9 :Minisink Hills(10ft) :MNSP1md 2.1/ 2.5/ 3.3/ 4.3 Minisink Hills(12) :MNSP1mj 2.3/ 2.8/ 3.8/ 5.0 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.5/ 4.8/ 5.3/ 6.2 :Allentown-10th (8ft) :APAP1md 5.5/ 5.9/ 6.5/ 7.8 Allentown-10th (10) :APAP1mj 6.5/ 7.0/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 1.9/ 2.3/ 2.9/ 3.6 :Graterford (11ft) :GRAP1md 2.0/ 2.5/ 3.3/ 4.0 Graterford (13) :GRAP1mj 2.4/ 2.9/ 3.9/ 4.7 Graterford (16) : Neshaminy Creek... LNGP1 2.6/ 2.6/ 2.6/ 2.6 :Langhorne (9ft) :LNGP1md 2.8/ 2.9/ 3.1/ 3.1 Langhorne (10) :LNGP1mj 3.0/ 3.2/ 3.6/ 3.9 Langhorne (12) : Chester Creek... CHSP1 1.9/ 1.9/ 2.2/ 2.8 :Chester (8ft) :CHSP1md 2.4/ 2.5/ 2.8/ 3.5 Chester (10) :CHSP1mj 3.3/ 3.4/ 3.8/ 4.8 Chester (14) : West Branch Brandywine Creek... MODP1 3.8/ 3.9/ 4.3/ 4.5 :Modena (9ft) :MODP1md 4.3/ 4.5/ 5.0/ 5.2 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 1.2/ 1.2/ 1.2/ 1.3 :Downingtown (7ft) :DWNP1md 1.8/ 1.9/ 2.0/ 2.2 Downingtown (9) :DWNP1mj 2.7/ 2.8/ 2.9/ 3.2 Downingtown (11) : Brandywine Creek... CDFP1 2.0/ 2.0/ 2.1/ 2.4 :Chadds Ford (9ft) :CDFP1md 2.2/ 2.3/ 2.7/ 3.4 Chadds Ford (11) :CDFP1mj 2.4/ 2.6/ 3.4/ 4.1 Chadds Ford (13) : Christina River... CHBD1 1.5/ 1.7/ 1.9/ 2.8 :Coochs Brdg(11ft) :CHBD1md 1.9/ 2.1/ 2.5/ 3.4 Coochs Brdg(12) :CHBD1mj 2.5/ 2.8/ 3.2/ 4.5 Coochs Brdg(13) : White Clay Creek... DPKD1 1.7/ 1.8/ 2.0/ 2.6 :Delaware Pk (13ft) :DPKD1md 2.4/ 2.5/ 2.7/ 3.4 Delaware Pk (15) :DPKD1mj 3.4/ 3.6/ 3.9/ 5.0 Delaware Pk (16.5) : Red Clay Creek... RCCD1 2.0/ 2.2/ 2.5/ 2.9 :Wooddale (7ft) :RCCD1md 2.7/ 2.9/ 3.3/ 3.9 Wooddale (8.5) :RCCD1mj 3.3/ 3.6/ 4.1/ 4.9 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260823 Z DH06/DC2608230730/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 4.0/ 4.1/ 4.6/ 5.4 :Archbald (8ft) :ARHP1md 4.7/ 4.8/ 5.2/ 6.3 Archbald (9) :ARHP1mj 5.3/ 5.4/ 6.0/ 7.4 Archbald (10) PKIP1 4.5/ 4.6/ 4.8/ 5.3 :Scranton (12.5ft.) :PKIP1md 4.8/ 4.9/ 5.1/ 5.6 Scranton (14) :PKIP1mj 5.0/ 5.1/ 5.2/ 5.8 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260823 DC2608230750/DH09/HGIFX/DIH3/ .E1 1.8/2.0/2.1/2.2/2.2/2.1/2.0/1.9 .E PKIP1 20260823 DC2608230750/DH09/HGIFX/DIH3/ .E1 1.2/1.4/1.6/1.8/1.8/1.6/1.5/1.4 $$ NNNN  453 FOUS71 KRHA 230750 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 AM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH06/DC2608230730/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.1/ 2.3/ 2.8/ 3.5 :Kitzmiller (9ft) :KITM2md 2.9/ 3.3/ 4.1/ 5.5 Kitzmiller (11) :KITM2mj 4.3/ 4.8/ 6.3/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.0/ 1.2/ 1.4/ 1.7 :Westernport (8ft) :WSTM2md 1.7/ 1.9/ 2.2/ 2.6 Westernport (10) :WSTM2mj 2.3/ 2.6/ 3.1/ 3.6 Westernport (12) : South Branch Potomac River... FKLW2 1.7/ 2.0/ 2.3/ 3.1 :Franklin (7ft) :FKLW2md 1.9/ 2.2/ 2.5/ 3.6 Franklin (9) :FKLW2mj 2.1/ 2.5/ 2.9/ 4.2 Franklin (11) : Opequon Creek... MBGW2 2.0/ 2.7/ 3.2/ 4.4 :Martinsburg (10ft) :MBGW2md 2.2/ 2.9/ 3.5/ 5.1 Martinsburg (12.5) :MBGW2mj 2.6/ 3.4/ 4.3/ 6.0 Martinsburg (15) : South River... WAYV2 3.4/ 4.2/ 5.6/ 7.1 :Waynesboro (9.5ft) :WAYV2md 3.6/ 4.5/ 6.1/ 7.8 Waynesboro (11) :WAYV2mj 4.0/ 5.0/ 6.9/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 1.7/ 2.0/ 2.8/ 3.5 :Cootes Store (15ft) :COOV2md 2.1/ 2.5/ 3.6/ 4.5 Cootes Store (18) :COOV2mj 2.6/ 3.0/ 4.5/ 5.6 Cootes Store (21) : Antietam Creek... SACM2 1.7/ 2.4/ 3.5/ 5.2 :Sharpsburg (8ft) :SACM2md 1.8/ 2.6/ 4.2/ 5.7 Sharpsburg (10) :SACM2mj 1.9/ 2.8/ 4.8/ 6.5 Sharpsburg (12) : Seneca Creek... DAWM2 2.3/ 2.5/ 2.9/ 3.5 :Dawsonville (7.5ft) :DAWM2md 2.9/ 3.3/ 4.6/ 5.9 Dawsonville (11) :DAWM2mj 4.9/ 5.7/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 4.4/ 6.3/ 7.4/ 8.0 :Buena Vista (17ft) :BVSV2cs 4.0/ 5.4/ 6.8/ 8.0 Buena Vista (13) :BVSV2md 4.6/ 6.5/ 7.4/ 8.0 Buena Vista (19) :BVSV2mj 4.8/ 6.8/ 7.4/ 8.0 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive.,Washington DC .B RHA 260823 Z DH06/DC2608230730/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.7/ 1.8/ 2.0/ 2.4 :Washington, DC (7ft) :RCKD2md 2.3/ 2.5/ 2.8/ 3.5 Washington, DC (10) :RCKD2mj 3.1/ 3.4/ 3.8/ 4.6 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260823 DC2608230750/DH09/HGIFX/DIH3/ .E1 2.8/2.6/2.4/2.2/2.1/2.1/2.0/2.0 $$ NNNN  515 AWUS01 KWNH 230809 FFGMPD CTZ000-NYZ000-NJZ000-PAZ000-DEZ000-231107- Mesoscale Precipitation Discussion 1117 NWS Weather Prediction Center College Park MD 408 AM EDT Sun Aug 23 2026 Areas affected...southeastern Pennsylvania, New Jersey, and far southern New York State Concerning...Heavy rainfall...Flash flooding possible Valid 230807Z - 231107Z Summary...Isolated flash flood potential continues. Discussion...Recent radar mosaic imagery depicts a convective band sweeping through southeastern PA into western NJ (including the Philadelphia area). On the southwestern flank of this band, enough training occurred for rain rates to peak into the 1-1.5 inch/hr range just southwest of Philadelphia, prompting at least isolated impacts and local MRMS Flash responses. The downstream airmass is marginally supportive of deep convective with northeastward extent, though some concern remains the local backbuilding could still occur through central NJ where 500-1000 J/kg MUCAPE exists per mesoanalyses. While a primarily urban flash flood risk continues, the greatest chance of impacts will exist from Philadelphia through Trenton and perhaps Newark through 10Z/6a eastern. It is worth noting that FFG thresholds drop substantially in northeastern NJ, and rates as low as 0-0.25 inch/hr could cause impacts there. Cook ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...ALY...BGM...OKX...PHI... ATTN...RFC...RHA...TAR...NWC... LAT...LON 41617415 41467350 40747342 39697428 39157491 39577542 40947533 41337491  516 FOUS62 KALR 231311 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 910 AM EDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260823 Z DH12/DC202608231310 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 2.0/ 3.7/ 5.0 PRZ002 2.0/ 3.7/ 5.0 PRZ003 2.0/ 3.5/ 4.9 PRZ004 2.0/ 3.5/ 4.9 PRZ005 1.7/ 2.4/ 3.0 PRZ006 1.7/ 2.4/ 3.0 PRZ007 1.7/ 2.4/ 3.0 PRZ008 1.7/ 2.4/ 3.0 PRZ009 1.7/ 2.4/ 3.0 PRZ010 1.7/ 2.4/ 3.0 PRZ011 1.7/ 2.4/ 3.0 PRZ012 2.1/ 3.2/ 4.5 PRZ013 2.1/ 3.2/ 4.5 VIZ001 2.1/ 3.3/ 4.6 VIZ002 2.1/ 3.3/ 4.6 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  726 FOUS71 KRHA 231350 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 AM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH12/DC2608231330/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.2/ 2.5/ 3.0/ 3.3 :Mahwah (8ft) Ramapo River :MAWN4md 2.5/ 2.8/ 3.4/ 3.9 Mahwah (9) Ramapo River :MAWN4mj 3.5/ 4.0/ 5.0/ 5.7 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.1/ 1.3/ 1.7/ 2.5 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.2/ 1.3/ 1.5/ 2.1 :Lodi (5.5ft) Saddle River :LODN4md 1.7/ 1.7/ 2.0/ 2.8 Lodi (7) Saddle River :LODN4mj 2.0/ 2.0/ 2.3/ 3.3 Lodi (8) Saddle River : Rahway River... SPGN4 1.6/ 1.6/ 1.7/ 2.2 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 2.8/ 2.9/ 3.7/ 4.1 :Chatham (6ft) Passaic River :CAMN4md 5.0/ 5.1/ 6.0/ 6.6 Chatham (7.2) Passaic River :CAMN4mj 5.7/ 6.0/ 7.0/ 7.8 Chatham (8.2) Passaic River : Rockaway River... BOTN4 3.7/ 4.2/ 4.8/ 5.7 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.2/ 4.8/ 5.5/ 6.7 Boonton Abv. (6) Rockaway River :BOTN4mj 4.5/ 5.2/ 5.9/ 7.4 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 2.3/ 2.4/ 2.7/ 2.9 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 2.4/ 2.5/ 3.1/ 3.4 :Stanton (8ft) S. Br. Raritan River :STTN4md 2.5/ 2.7/ 3.6/ 4.2 Stanton (10) S. Br. Raritan River :STTN4mj 2.8/ 3.0/ 4.2/ 4.9 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 2.0/ 2.3/ 2.6/ 3.1 :Raritan (10ft) N. Br. Raritan River :RRTN4md 2.2/ 2.5/ 3.0/ 3.8 Raritan (12) N. Br. Raritan River :RRTN4mj 2.6/ 3.0/ 3.8/ 4.7 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 3.1/ 3.4/ 3.7/ 3.7 :Blackwells Mills(9ft) Millstone River :BKWN4md 3.2/ 3.5/ 3.8/ 3.8 Blackwells Mills(10) Millstone River :BKWN4mj 3.6/ 3.9/ 4.4/ 5.1 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.3/ 2.4/ 2.8/ 3.4 :Trenton (8.5ft) Assunpink Creek :TACN4md 2.4/ 2.6/ 3.4/ 3.9 Trenton (9.5) Assunpink Creek :TACN4mj 2.6/ 2.9/ 3.8/ 4.4 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  727 FOUS71 KRHA 231350 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 AM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH12/DC2608231330/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 2.5/ 2.8/ 3.1/ 3.4 :Cortland (8ft) :CRTN6md 2.6/ 3.0/ 3.9/ 4.3 Cortland (10) :CRTN6mj 2.8/ 3.3/ 4.4/ 4.9 Cortland (12.5) : Chenango River... SHBN6 2.7/ 2.9/ 3.1/ 3.7 :Sherburne (8.5ft) :SHBN6md 2.7/ 3.0/ 3.4/ 4.4 Sherburne (9) :SHBN6mj 2.9/ 3.2/ 3.9/ 4.8 Sherburne (10.6) : Otselic River... CINN6 3.1/ 3.3/ 3.8/ 4.7 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 2.9/ 3.2/ 3.8/ 4.5 :Campbell (8ft) :CMPN6md 3.1/ 3.5/ 4.6/ 5.2 Campbell (10) :CMPN6mj 3.3/ 3.8/ 5.1/ 5.8 Campbell (11) : Canisteo River... WCRN6 2.1/ 2.5/ 3.1/ 3.9 :West Cameron (17ft) :WCRN6md 2.2/ 2.6/ 3.2/ 4.1 West Cameron (18) :WCRN6mj 2.5/ 2.9/ 3.8/ 4.8 West Cameron (21) : Towanda Creek... MONP1 1.7/ 1.9/ 2.3/ 2.9 :Monroeton (15.5ft) :MONP1md 1.8/ 2.0/ 2.6/ 3.2 Monroeton (17) :MONP1mj 2.1/ 2.3/ 3.0/ 3.8 Monroeton (18.5) : Tunkhannock Creek... TNKP1 2.2/ 2.7/ 3.9/ 4.6 :Tunkhannock (11ft) :TNKP1md 2.3/ 2.9/ 4.3/ 5.2 Tunkhannock (14) :TNKP1mj 2.6/ 3.2/ 4.8/ 5.8 Tunkhannock (17) : Lackawanna River... OFRP1 2.1/ 2.6/ 3.2/ 4.4 :Old Forge (11ft) :OFRP1md 2.2/ 2.7/ 3.4/ 4.6 Old Forge (13) :OFRP1mj 2.4/ 2.9/ 3.8/ 5.0 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 3.7/ 4.1/ 4.7/ 5.2 :Margaretville (11ft) :MRGN6md 4.4/ 4.9/ 5.6/ 6.4 Margaretville (12) :MRGN6mj 5.1/ 5.7/ 6.7/ 7.8 Margaretville (13) : West Branch Delaware River... WALN6 2.5/ 2.6/ 2.9/ 3.4 :Walton (11.5ft) :WALN6md 2.8/ 3.0/ 3.5/ 3.9 Walton (14) :WALN6mj 3.4/ 3.7/ 4.2/ 4.8 Walton (16) : Beaverkill Creek... CKFN6 1.8/ 2.0/ 2.3/ 2.7 :Cooks Falls (10ft) :CKFN6md 2.6/ 2.9/ 3.6/ 4.6 Cooks Falls (16) :CKFN6mj 3.0/ 3.4/ 4.3/ 5.7 Cooks Falls (18) : Lackawaxen River... HWYP1 2.3/ 2.7/ 3.2/ 4.0 :Hawley (14ft) :HWYP1md 3.0/ 3.4/ 4.2/ 5.3 Hawley (20) :HWYP1mj 3.3/ 3.7/ 4.6/ 5.8 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 1.7/ 2.3/ 3.3/ 4.0 :Mansfield (12ft) :MFDP1md 1.8/ 2.5/ 3.7/ 4.4 Mansfield (13) :MFDP1mj 2.0/ 2.8/ 4.2/ 4.9 Mansfield (14) : Penns Creek... PNCP1 2.5/ 2.8/ 2.8/ 3.0 :Penns Creek (8ft) :PNCP1md 2.6/ 2.9/ 3.3/ 4.1 Penns Creek (10) :PNCP1mj 2.8/ 3.3/ 4.0/ 5.0 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 1.2/ 1.3/ 1.4/ 1.4 :Williamsburg (12ft) :WIBP1md 1.2/ 1.3/ 1.5/ 1.5 Williamsburg (13) :WIBP1mj 1.3/ 1.4/ 1.7/ 1.7 Williamsburg (15) : Little Juniata River... SPKP1 1.1/ 1.2/ 1.3/ 1.3 :Spruce Creek (8ft) :SPKP1md 1.3/ 1.3/ 1.5/ 1.6 Spruce Creek (10) :SPKP1mj 1.6/ 1.7/ 2.2/ 2.4 Spruce Creek (14) : Aughwick Creek... SLYP1 1.2/ 1.3/ 1.5/ 1.8 :Shirleysburg (10ft) :SLYP1md 1.4/ 1.5/ 1.7/ 2.2 Shirleysburg (12) :SLYP1mj 3.6/ 3.9/ 4.7/ 6.5 Shirleysburg (20) : Sherman Creek... SMDP1 1.9/ 2.2/ 2.6/ 3.2 :Shermans Dale (9ft) :SMDP1md 2.2/ 2.6/ 3.1/ 3.7 Shermans Dale (11) :SMDP1mj 3.6/ 4.2/ 5.1/ 5.8 Shermans Dale (16) : Conodoguinet Creek... HGSP1 2.9/ 3.0/ 3.1/ 3.1 :Hogestown (8ft) :HGSP1md 3.2/ 3.4/ 4.1/ 4.5 Hogestown (10) :HGSP1mj 3.5/ 3.9/ 4.8/ 5.3 Hogestown (12) : Yellow Breeches Creek... CPHP1 1.6/ 2.0/ 2.3/ 3.6 :Camp Hill (7ft) :CPHP1md 1.8/ 2.1/ 2.6/ 3.9 Camp Hill (9) :CPHP1mj 2.3/ 2.7/ 3.6/ 5.1 Camp Hill (13) : Swatara Creek... HTVP1 1.8/ 2.2/ 2.7/ 3.9 :Harper Tavern (9ft) :HTVP1md 2.1/ 2.6/ 3.5/ 4.9 Harper Tavern (12) :HTVP1mj 2.5/ 3.1/ 4.0/ 5.7 Harper Tavern (15) : Conestoga River... LNCP1 1.6/ 1.9/ 2.0/ 2.9 :Lancaster (11ft) :LNCP1md 1.7/ 2.1/ 2.3/ 3.3 Lancaster (13) :LNCP1mj 1.9/ 2.3/ 2.7/ 3.7 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 2.6/ 2.7/ 2.8/ 3.0 :Landingville (8ft) :LGVP1md 3.3/ 3.6/ 3.8/ 4.2 Landingville (12) :LGVP1mj 4.1/ 4.5/ 4.8/ 5.3 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 2.8/ 3.7/ 4.7/ 6.0 :Berne (12ft) :BREP1md 3.2/ 4.1/ 5.3/ 6.9 Berne (14) :BREP1mj 3.5/ 4.6/ 5.8/ 7.6 Berne (16) : Bush Kill... SHOP1 2.8/ 3.4/ 3.7/ 3.7 :Shoemakers (6ft) :SHOP1md 3.0/ 3.6/ 4.2/ 4.7 Shoemakers (7) :SHOP1mj 3.2/ 3.8/ 4.7/ 5.3 Shoemakers (8) : Brodhead Creek... MNSP1 1.9/ 2.3/ 3.0/ 3.9 :Minisink Hills(10ft) :MNSP1md 2.1/ 2.5/ 3.3/ 4.3 Minisink Hills(12) :MNSP1mj 2.3/ 2.8/ 3.9/ 5.0 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.0/ 4.4/ 4.8/ 5.7 :Allentown-10th (8ft) :APAP1md 5.0/ 5.4/ 6.0/ 7.3 Allentown-10th (10) :APAP1mj 6.0/ 6.5/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 1.9/ 2.3/ 2.9/ 3.6 :Graterford (11ft) :GRAP1md 2.1/ 2.5/ 3.4/ 4.0 Graterford (13) :GRAP1mj 2.4/ 2.9/ 3.9/ 4.7 Graterford (16) : Neshaminy Creek... LNGP1 2.6/ 2.6/ 2.6/ 2.6 :Langhorne (9ft) :LNGP1md 2.9/ 2.9/ 3.2/ 3.2 Langhorne (10) :LNGP1mj 3.0/ 3.2/ 3.7/ 3.9 Langhorne (12) : Chester Creek... CHSP1 1.3/ 1.4/ 1.5/ 2.0 :Chester (8ft) :CHSP1md 1.8/ 1.8/ 2.1/ 2.8 Chester (10) :CHSP1mj 2.7/ 2.8/ 3.2/ 4.1 Chester (14) : West Branch Brandywine Creek... MODP1 3.3/ 3.5/ 3.8/ 4.0 :Modena (9ft) :MODP1md 3.8/ 4.0/ 4.4/ 4.7 Modena (10) :MODP1mj 6.5/ 6.9/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 0.7/ 0.7/ 0.7/ 0.8 :Downingtown (7ft) :DWNP1md 1.3/ 1.4/ 1.4/ 1.6 Downingtown (9) :DWNP1mj 2.2/ 2.3/ 2.4/ 2.6 Downingtown (11) : Brandywine Creek... CDFP1 2.1/ 2.1/ 2.2/ 2.4 :Chadds Ford (9ft) :CDFP1md 2.3/ 2.3/ 2.7/ 3.4 Chadds Ford (11) :CDFP1mj 2.5/ 2.6/ 3.3/ 4.2 Chadds Ford (13) : Christina River... CHBD1 1.4/ 1.5/ 1.8/ 2.6 :Coochs Brdg(11ft) :CHBD1md 1.8/ 1.9/ 2.3/ 3.2 Coochs Brdg(12) :CHBD1mj 2.4/ 2.6/ 3.1/ 4.3 Coochs Brdg(13) : White Clay Creek... DPKD1 1.2/ 1.3/ 1.4/ 2.0 :Delaware Pk (13ft) :DPKD1md 1.9/ 2.0/ 2.2/ 2.9 Delaware Pk (15) :DPKD1mj 2.9/ 3.1/ 3.4/ 4.4 Delaware Pk (16.5) : Red Clay Creek... RCCD1 1.5/ 1.6/ 1.9/ 2.3 :Wooddale (7ft) :RCCD1md 2.2/ 2.4/ 2.7/ 3.3 Wooddale (8.5) :RCCD1mj 2.8/ 3.1/ 3.5/ 4.3 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260823 Z DH12/DC2608231330/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 3.8/ 3.9/ 4.3/ 5.1 :Archbald (8ft) :ARHP1md 4.4/ 4.5/ 5.0/ 6.1 Archbald (9) :ARHP1mj 5.0/ 5.2/ 5.8/ 7.1 Archbald (10) PKIP1 4.2/ 4.2/ 4.4/ 4.9 :Scranton (12.5ft.) :PKIP1md 4.4/ 4.6/ 4.7/ 5.3 Scranton (14) :PKIP1mj 4.6/ 4.7/ 4.9/ 5.5 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260823 DC2608231350/DH15/HGIFX/DIH3/ .E1 1.9/2.0/1.9/1.9/1.9/1.8/1.8/1.8 .E PKIP1 20260823 DC2608231350/DH15/HGIFX/DIH3/ .E1 1.8/1.6/1.4/1.3/1.3/1.2/1.2/1.1 $$ NNNN  728 FOUS71 KRHA 231350 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 AM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH12/DC2608231330/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.1/ 2.4/ 2.8/ 3.6 :Kitzmiller (9ft) :KITM2md 3.0/ 3.3/ 4.1/ 5.5 Kitzmiller (11) :KITM2mj 4.3/ 4.9/ 6.3/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.1/ 1.3/ 1.5/ 1.8 :Westernport (8ft) :WSTM2md 1.8/ 2.0/ 2.3/ 2.8 Westernport (10) :WSTM2mj 2.4/ 2.7/ 3.2/ 3.7 Westernport (12) : South Branch Potomac River... FKLW2 1.5/ 1.8/ 2.0/ 2.8 :Franklin (7ft) :FKLW2md 1.7/ 2.0/ 2.3/ 3.3 Franklin (9) :FKLW2mj 1.9/ 2.3/ 2.7/ 4.0 Franklin (11) : Opequon Creek... MBGW2 2.0/ 2.8/ 3.2/ 4.4 :Martinsburg (10ft) :MBGW2md 2.2/ 3.0/ 3.6/ 5.1 Martinsburg (12.5) :MBGW2mj 2.6/ 3.4/ 4.3/ 6.1 Martinsburg (15) : South River... WAYV2 3.4/ 4.2/ 5.6/ 7.2 :Waynesboro (9.5ft) :WAYV2md 3.6/ 4.5/ 6.1/ 7.8 Waynesboro (11) :WAYV2mj 4.0/ 5.0/ 6.9/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 1.9/ 2.1/ 2.9/ 3.6 :Cootes Store (15ft) :COOV2md 2.3/ 2.6/ 3.7/ 4.5 Cootes Store (18) :COOV2mj 2.8/ 3.1/ 4.6/ 5.7 Cootes Store (21) : Antietam Creek... SACM2 1.8/ 2.5/ 3.4/ 5.2 :Sharpsburg (8ft) :SACM2md 1.9/ 2.7/ 4.1/ 5.7 Sharpsburg (10) :SACM2mj 2.0/ 2.9/ 4.9/ 6.5 Sharpsburg (12) : Seneca Creek... DAWM2 2.3/ 2.5/ 2.9/ 3.5 :Dawsonville (7.5ft) :DAWM2md 2.9/ 3.4/ 4.6/ 5.9 Dawsonville (11) :DAWM2mj 4.9/ 5.8/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 4.4/ 6.3/ 7.4/ 8.0 :Buena Vista (17ft) :BVSV2cs 4.0/ 5.4/ 6.9/ 8.0 Buena Vista (13) :BVSV2md 4.6/ 6.6/ 7.4/ 8.0 Buena Vista (19) :BVSV2mj 4.9/ 6.9/ 7.4/ 8.0 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive.,Washington DC .B RHA 260823 Z DH12/DC2608231330/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.7/ 1.8/ 2.0/ 2.4 :Washington, DC (7ft) :RCKD2md 2.3/ 2.5/ 2.8/ 3.5 Washington, DC (10) :RCKD2mj 3.1/ 3.4/ 3.8/ 4.6 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260823 DC2608231350/DH15/HGIFX/DIH3/ .E1 2.3/2.2/2.1/2.0/2.0/2.0/2.0/2.0 $$ NNNN  124 FOUS73 KMSR 231400 FFHMPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 TWIN CITIES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : SNCM5 2.5/ 2.7/ 3.0 :JORDAN MN SAND CR PNLM5 3.3/ 3.9/ 4.5 :PINE ISLAND MN MID FK ZUMBRO R PILM5 3.5/ 4.0/ 4.5 :PINE ISLAND MN N B MID FK ZUMBRO R WGOM5 3.5/ 4.0/ 4.5 :WANAMINGO MN NO FK ZUMBRO R .END $$  125 FOUS73 KMSR 231400 FFHILX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 LINCOLN HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : BMII2 3.5/ 4.0/ 4.5 :BLOOMINGTON IL SUGAR CR RLLI2 1.8/ 1.8/ 1.8 :ROWELL IL SALT CR .END $$  127 FOUS73 KMSR 231400 FFHMKX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 MILWAUKEE HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** WISCONSIN HEADWATER POINTS *** : AFTW3 2.2/ 2.6/ 3.1 :AFTON WI ROCK R BCHW3 2.0/ 2.1/ 2.5 :BLANCHARDVILLE WI E BR PECATONICA R BUNW3 2.5/ 2.7/ 3.2 :BUNCOMBE WI GALENA R DARW3 2.4/ 2.6/ 3.3 :DARLINGTON WI PECATONICA R MTNW3 1.8/ 2.0/ 2.9 :MARTINTOWN WI PECATONICA R MAZW3 2.3/ 2.4/ 3.1 :MAZOMANIE WI BLACK EARTH CR KINW3 2.9/ 3.6/ 4.3 :MILWAUKEE WI KINNICKINNIC R SEBW3 2.6/ 2.9/ 3.5 :SHEBOYGAN WI SHEBOYGAN R WKEW3 3.2/ 3.2/ 3.2 :WAUKESHA WI FOX R WWTW3 3.4/ 3.6/ 3.9 :WAUWATOSA WI MENOMONEE R BLOW3 1.7/ 1.8/ 2.0 :BELOIT WI TURTLE CR MFSW3 0.5/ 1.0/ 1.0 :MENOMONEE FALLS WI MENOMONEE R OAKW3 2.0/ 2.2/ 2.6 :SOUTH MILWAUKEE OAK CR .END $$  128 FOUS73 KMSR 231400 FFHFGF HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 GRAND FORKS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : CSRM5 3.5/ 4.0/ 4.1 :CAMPBELL MN 1W SO FK RABBIT R MALM5 3.5/ 3.9/ 4.5 :MALUNG MN 2NW ROSEAU R BLO SO FK : : *** NORTH DAKOTA HEADWATER POINTS *** : DWGN8 3.5/ 4.0/ 4.5 :DWIGHT ND 1NE ANTELOPE CR HGRN8 3.5/ 4.0/ 4.5 :HILLSBORO ND GOOSE R LTRN8 2.6/ 2.8/ 3.1 :LARIMORE ND 5ENE TURTLE R .END $$  130 FOUS73 KMSR 231400 FFHLOT HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 CHICAGO HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : NBPI2 2.5/ 2.6/ 2.9 :CHICAGO IL N BR CHICAGO R CDCI2 1.0/ 1.3/ 1.6 :CHICAGO HEIGHTS IL DEER CR DRFI2 2.4/ 2.8/ 3.8 :DEERFIELD IL N BR CHICAGO R DEKI2 3.5/ 4.0/ 4.5 :DE KALB IL S BR KISHWAUKEE R DSPI2 3.1/ 3.1/ 3.3 :DES PLAINES IL DES PLAINES R WLRI2 3.0/ 3.4/ 3.8 :DES PLAINES IL WELLER CR EMHI2 2.7/ 3.1/ 3.5 :ELMHURST IL SALT CR FLSI2 1.1/ 1.4/ 1.7 :FLOSSMOOR IL BUTTERFIELD CR GLWI2 1.5/ 1.8/ 2.2 :GLENWOOD IL THORN CR GUNI2 2.7/ 2.7/ 2.7 :GURNEE IL DES PLAINES R JHCI2 2.4/ 2.6/ 2.9 :JOLIET IL HICKORY CR LAFI2 2.4/ 2.8/ 3.8 :LAKE FOREST IL SKOKIE R NILI2 3.5/ 4.0/ 4.5 :NILES IL N BR CHICAGO R NBRI2 3.5/ 4.0/ 4.5 :NORTHBROOK IL W FK N BR CHICAGO R OAKI2 3.1/ 3.2/ 3.6 :OAK FOREST IL MIDLOTHIAN CR MCDI2 3.3/ 3.6/ 4.0 :PROSPECT HTS IL MCDONALD CR ALPI2 1.6/ 1.7/ 1.9 :ROCKFORD IL ALPINE DAM-KEITH CR LEVI2 1.9/ 2.2/ 2.7 :ROCKFORD IL LEVINGS LAKE PPLI2 2.0/ 2.4/ 3.0 :ROCKFORD IL PAGE PARK LAKE ROLI2 2.8/ 3.3/ 3.7 :ROLLING MEADOWS IL SALT CR SCHI2 3.5/ 4.0/ 4.5 :ST CHARLES IL FERSON CR SORI2 3.5/ 3.7/ 3.9 :SHOREWOOD IL DU PAGE R THNI2 1.3/ 1.3/ 1.3 :THORNTON IL THORN CR WHEI2 2.9/ 3.1/ 3.4 :WHEELING IL BUFFALO CR WLSI2 3.5/ 4.0/ 4.5 :WILLOW SPRINGS IL FLAG CR YRKI2 2.6/ 2.6/ 2.7 :YORKVILLE IL BLACKBERRY CR : : *** INDIANA HEADWATER POINTS *** : HDDI3 3.5/ 4.0/ 4.5 :DYER IN HART DITCH MNTI3 3.4/ 3.5/ 3.5 :MUNSTER IN HART DITCH LCMI3 2.7/ 2.7/ 2.8 :MUNSTER IN LITTLE CALUMET R PRTI3 2.1/ 2.1/ 2.1 :PORTER IN LITTLE CALUMET R .END $$  132 FOUS73 KMSR 231400 FFHLSX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 ST LOUIS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MISSOURI HEADWATER POINTS *** : EWNM7 3.1/ 3.4/ 3.9 :EWING MO 5E NORTH FABIUS R EWMM7 3.1/ 3.4/ 3.8 :EWING MO 1NNE MIDDLE FABIUS R PALM7 1.9/ 2.0/ 2.4 :PALMYRA MO NORTH R TAYM7 1.9/ 2.4/ 3.0 :TAYLOR MO S FABIUS R PMZM7 2.4/ 2.7/ 3.1 :HOLLIDAY MO 2N MI FK SALT R TRYM7 1.7/ 1.8/ 2.0 :TROY MO CUIVRE R DRCM7 2.0/ 2.1/ 2.3 :ST PETERS MO DARDENNE CR LSLM7 2.1/ 2.4/ 2.7 :LAKE SAINT LOUIS PERUQUE CR - ABOVE LSTM7 1.7/ 1.9/ 2.1 :LAKE ST LOUIS MO PERUQUE CR CSNM7 1.6/ 1.7/ 1.7 :COOK STATION MO 1N MERAMEC R SEEM7 1.4/ 1.7/ 2.0 :STEELVILLE MO 2N MERAMEC R UNNM7 3.3/ 3.5/ 3.7 :UNION MO BOURBEUSE R BYRM7 2.8/ 3.2/ 3.7 :BYRNESVILLE MO 2NNE BIG R .END $$  144 FOUS73 KMSR 231400 FFHDMX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 DES MOINES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : AKWI4 3.0/ 3.0/ 3.2 :ACKWORTH IA SOUTH R AMWI4 2.9/ 3.0/ 3.1 :AMES IA IOWAY CR BSSI4 2.9/ 3.0/ 3.3 :BUSSEY IA CEDAR CR DFMI4 3.4/ 3.5/ 3.7 :DSM-EASTON FOUR MILE CR CLVI4 2.6/ 3.0/ 3.2 :CLIVE I-80/35 WALNUT CR DOSI4 2.8/ 3.0/ 3.4 :DSM-63RD ST WALNUT CR MCWI4 3.5/ 3.8/ 4.3 :MASON CITY IA WINNEBAGO R .END $$  146 FOUS73 KMSR 231400 FFHAPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 GAYLORD HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MICHIGAN HEADWATER POINTS *** : BVTM4 3.5/ 4.0/ 4.5 :BEAVERTON MI TOBACCO R MYFM4 3.5/ 3.9/ 4.1 :MAYFIELD MI BOARDMAN R RUDM4 3.5/ 4.0/ 4.5 :RUDYARD MI PINE RIVER .END $$  149 FOUS73 KMSR 231400 FFHARX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT SUN AUG 23 2026 LA CROSSE HYDRLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH12/DC2608231400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : DEHI4 3.5/ 4.0/ 4.5 :DECORAH IA UPPER IOWA R DCHI4 2.9/ 3.2/ 3.7 :DORCHESTER IA UPPER IOWA R GRBI4 2.3/ 2.5/ 2.8 :GARBER IA TURKEY R : : *** MINNESOTA HEADWATER POINTS *** : ASTM5 2.4/ 2.7/ 3.0 :AUSTIN WWTP MN CEDAR R DOBM5 2.9/ 3.0/ 3.2 :AUSTIN MN-21ST DOBBINS CR TRCM5 3.3/ 3.6/ 4.3 :AUSTIN MN-41 AV NW TURTLE CR HOUM5 2.2/ 2.4/ 2.9 :HOUSTON MN ROOT R LNSM5 3.2/ 3.5/ 4.0 :LANESBORO MN S BR ROOT R LANM5 2.9/ 3.0/ 3.4 :LANSING MN CEDAR R PTNM5 3.1/ 3.4/ 4.2 :PRESTON MN S BR ROOT R RBCM5 3.5/ 4.0/ 4.5 :ROCHESTER MN BEAR CR RCCM5 3.4/ 3.6/ 4.3 :ROCHESTER MN CASCADE CR ROCM5 3.5/ 4.0/ 4.5 :ROCHESTER MN SILVER CR RCSM5 3.5/ 4.0/ 4.5 :HWY 14 ROCHESTER S FK ZUMBRO R RCHM5 3.4/ 4.0/ 4.5 :ROCHESTER MN S FK ZUMBRO R WSPM5 2.9/ 3.1/ 3.8 :WHITEWATER ST.PK MFK WHITEWATER R ZUMM5 3.4/ 4.0/ 4.5 :ZUMBRO FALLS MN ZUMBRO R : : *** WISCONSIN HEADWATER POINTS *** : BTNW3 2.2/ 2.3/ 2.3 :BURTON WI GRANT R DDGW3 3.5/ 3.6/ 3.7 :DODGE WI TREMPEALEAU R GMIW3 3.2/ 3.4/ 3.7 :GAYS MILLS WI KICKAPOO R HILW3 2.1/ 2.2/ 2.4 :HILLSBORO WWTP WI S BR BARABOO R LAFW3 2.7/ 2.8/ 3.0 :LA FARGE WI KICKAPOO R NEIW3 2.9/ 3.7/ 4.5 :NEILLSVILLE WI BLACK R ONTW3 2.6/ 2.7/ 2.9 :ONTARIO WI KICKAPOO R REAW3 2.9/ 3.0/ 3.1 :READSTOWN WI KICKAPOO R RVLW3 2.8/ 3.0/ 3.2 :ROCKVILLE WI 2E PLATTE R SOGW3 2.7/ 2.8/ 2.9 :SOLDIERS GROVE WI KICKAPOO R STEW3 3.0/ 3.1/ 3.1 :STEUBEN WI KICKAPOO R VIOW3 2.7/ 2.8/ 2.9 :VIOLA WI KICKAPOO R .END $$  099 FGUS74 KORN 231442 FFHMRX HEADWATER GUIDANCE FOR HSA.....MORRISTOWN TN NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....TENNESSEE : DOET1 2.9/ 3.3/ 3.8/ 4.6/ 5.8 :ELIZABETHTON, TN DOE R. RMTT1 3.2/ 3.6/ 5.5/ 5.5/ 5.8 :ROAN MOUNTAIN, TN DOE R. : :.....VIRGINIA : CLVV2 2.2/ 2.3/ 2.6/ 3.1/ 4.0 :CLEVELAND, VA CLINCH R. .END $$  088 FOUS74 KORN 231442 FFHFFC HEADWATER GUIDANCE FOR HSA.....ATLANTA GA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....GEORGIA : ENGG1 1.5/ 1.6/ 1.7 :NEW ENGLAND, GA LOOKOUT CREEK HWEG1 3.5/ 3.7/ 4.1 :HIAWASSEE, GA HIAWASSEE R. .END $$  089 FOUS74 KORN 231442 FFHHUN HEADWATER GUIDANCE FOR HSA.....HUNTSVILLE AL NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ALABAMA : FRYA1 1.1/ 1.3/ 1.6 :FARLEY, AL ALDRIDGE CREEK SHEA1 1.0/ 1.2/ 1.6 :SHERWOOD, AL ALDRIDGE CREEK ATNA1 3.5/ 4.5/ 5.0 :ATHENS, AL LIMESTONE CREEK BPPA1 2.7/ 2.8/ 3.1 :BUCKS POCKET, AL S. SAUTY CREEK MADA1 1.9/ 2.2/ 2.5 :MADISON, AL INDIAN CREEK .END $$  090 FOUS74 KORN 231442 FFHGSP HEADWATER GUIDANCE FOR HSA.....GREENVILLE/SPARTANBURG SC NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....NORTH CAROLINA : ROSN7 3.5/ 4.4/ 5.5/ 6.0/ 6.5 :ROSMAN, NC FRENCH BROAD R. BLTN7 2.7/ 3.8/ 5.4/ 6.0/ 6.5 :BILTMORE, NC SWANNANOAH R. BIRN7 3.5/ 4.9/ 5.5/ 6.0/ 6.5 :BIRDTOWN, NC OCONALUFTEE R. .END $$  091 FOUS74 KORN 231442 FFHJAN HEADWATER GUIDANCE FOR HSA.....JACKSON MS NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSISSIPPI : MEIM6 3.5/ 5.0/ 5.5 :MERIDIAN, MS SOWASHEE CREEK JCCM6 3.5/ 5.0/ 5.5 :JACKSON, MS CANY CREEK JHMM6 3.5/ 5.0/ 5.5 :JACKSON, MS HANGING MOSS CREEK LYNM6 3.5/ 5.0/ 5.5 :JACKSON, MS LYNCH CREEK TOWM6 3.5/ 5.0/ 5.5 :JACKSON, MS TOWN CREEK UBCM6 3.5/ 5.0/ 5.5 :JACKSON, MS EUBANKS CREEK .END $$  092 FOUS74 KORN 231442 FFHLZK HEADWATER GUIDANCE FOR HSA.....LITTLE ROCK AR NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ARKANSAS : BTNA4 3.5/ 5.0/ 5.5 :BENTON, AR SALINE R. CIGA4 3.0/ 3.7/ 4.4 :CLINTON, AR S. FK LZKTLE RED R. HDYA4 3.5/ 5.0/ 5.5 :HARDY, AR SPRING R. .END $$  096 FOUS74 KORN 231442 FFHLSX HEADWATER GUIDANCE FOR HSA.....ST. LOUIS MO NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSOURI : ANNM7 3.2/ 3.9/ 4.8 :ANNAPOLIS, MO BLACK R. .END $$  097 FOUS74 KORN 231442 FFHSHV HEADWATER GUIDANCE FOR HSA.....SHREVEPORT LA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....LOUISIANA : KEIL1 3.5/ 5.0/ 5.5 :KEITHVILLE, LA CYPRESS BAYOU .END $$  098 FOUS74 KORN 231442 FFHRNK HEADWATER GUIDANCE FOR HSA.....BLACKSBURG VA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 941 AM CDT SUN AUG 23 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260823 Z DH12/DC2608231441 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....VIRGINIA : SALV2 1.8/ 2.0/ 2.3/ 2.8/ 3.8 :SALTVILLE, VA N.F. HOLSTON R. SGWN7 1.1/ 1.2/ 1.6/ 2.1/ 3.0 :SUGAR GROVE, NC WATAUGA R. SMFV2 2.5/ 2.7/ 3.0/ 3.5/ 4.3 :SEVEN MILE FORD, VA M.F. HOLSTON R. RLRV2 1.3/ 1.4/ 1.6/ 2.1/ 3.0 :RICHLANDS, VA CLINCH R. .END $$  542 FOUS71 KRHA 231950 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH18/DC2608231930/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.0/ 2.2/ 2.7/ 3.1 :Mahwah (8ft) Ramapo River :MAWN4md 2.2/ 2.5/ 3.2/ 3.6 Mahwah (9) Ramapo River :MAWN4mj 3.2/ 3.7/ 4.8/ 5.4 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.0/ 1.1/ 1.5/ 2.3 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 0.9/ 0.9/ 1.1/ 1.6 :Lodi (5.5ft) Saddle River :LODN4md 1.3/ 1.4/ 1.6/ 2.3 Lodi (7) Saddle River :LODN4mj 1.6/ 1.7/ 1.9/ 2.8 Lodi (8) Saddle River : Rahway River... SPGN4 1.4/ 1.4/ 1.5/ 1.9 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 2.6/ 2.7/ 3.5/ 3.9 :Chatham (6ft) Passaic River :CAMN4md 4.8/ 4.9/ 5.8/ 6.4 Chatham (7.2) Passaic River :CAMN4mj 5.5/ 5.8/ 6.7/ 7.6 Chatham (8.2) Passaic River : Rockaway River... BOTN4 3.5/ 3.9/ 4.4/ 5.4 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.0/ 4.5/ 5.2/ 6.4 Boonton Abv. (6) Rockaway River :BOTN4mj 4.3/ 4.9/ 5.6/ 7.0 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 2.0/ 2.1/ 2.4/ 2.6 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 2.0/ 2.2/ 2.7/ 3.0 :Stanton (8ft) S. Br. Raritan River :STTN4md 2.2/ 2.4/ 3.2/ 3.8 Stanton (10) S. Br. Raritan River :STTN4mj 2.4/ 2.6/ 3.9/ 4.5 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 1.7/ 2.0/ 2.3/ 2.7 :Raritan (10ft) N. Br. Raritan River :RRTN4md 1.9/ 2.2/ 2.7/ 3.4 Raritan (12) N. Br. Raritan River :RRTN4mj 2.3/ 2.7/ 3.5/ 4.3 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 2.7/ 2.9/ 3.1/ 3.1 :Blackwells Mills(9ft) Millstone River :BKWN4md 2.7/ 2.9/ 3.2/ 3.2 Blackwells Mills(10) Millstone River :BKWN4mj 3.1/ 3.4/ 3.7/ 4.3 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.0/ 2.1/ 2.4/ 3.0 :Trenton (8.5ft) Assunpink Creek :TACN4md 2.1/ 2.3/ 2.9/ 3.5 Trenton (9.5) Assunpink Creek :TACN4mj 2.3/ 2.6/ 3.4/ 4.0 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  544 FOUS71 KRHA 231950 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH18/DC2608231930/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 2.5/ 2.8/ 3.1/ 3.4 :Cortland (8ft) :CRTN6md 2.6/ 3.0/ 3.9/ 4.3 Cortland (10) :CRTN6mj 2.9/ 3.3/ 4.4/ 4.9 Cortland (12.5) : Chenango River... SHBN6 2.7/ 2.9/ 3.1/ 3.7 :Sherburne (8.5ft) :SHBN6md 2.7/ 3.0/ 3.4/ 4.4 Sherburne (9) :SHBN6mj 2.9/ 3.2/ 3.9/ 4.8 Sherburne (10.6) : Otselic River... CINN6 3.0/ 3.3/ 3.8/ 4.7 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 2.9/ 3.2/ 3.8/ 4.5 :Campbell (8ft) :CMPN6md 3.1/ 3.5/ 4.6/ 5.2 Campbell (10) :CMPN6mj 3.3/ 3.8/ 5.1/ 5.8 Campbell (11) : Canisteo River... WCRN6 2.2/ 2.5/ 3.1/ 3.9 :West Cameron (17ft) :WCRN6md 2.2/ 2.6/ 3.2/ 4.1 West Cameron (18) :WCRN6mj 2.5/ 2.9/ 3.8/ 4.8 West Cameron (21) : Towanda Creek... MONP1 1.7/ 1.9/ 2.3/ 2.9 :Monroeton (15.5ft) :MONP1md 1.8/ 2.0/ 2.6/ 3.2 Monroeton (17) :MONP1mj 2.1/ 2.3/ 3.0/ 3.8 Monroeton (18.5) : Tunkhannock Creek... TNKP1 2.1/ 2.6/ 3.9/ 4.5 :Tunkhannock (11ft) :TNKP1md 2.3/ 2.9/ 4.3/ 5.2 Tunkhannock (14) :TNKP1mj 2.5/ 3.2/ 4.8/ 5.8 Tunkhannock (17) : Lackawanna River... OFRP1 2.2/ 2.6/ 3.2/ 4.4 :Old Forge (11ft) :OFRP1md 2.3/ 2.8/ 3.5/ 4.6 Old Forge (13) :OFRP1mj 2.5/ 3.0/ 3.8/ 5.0 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 3.7/ 4.0/ 4.6/ 5.2 :Margaretville (11ft) :MRGN6md 4.3/ 4.8/ 5.6/ 6.3 Margaretville (12) :MRGN6mj 5.0/ 5.7/ 6.7/ 7.8 Margaretville (13) : West Branch Delaware River... WALN6 2.5/ 2.6/ 2.9/ 3.4 :Walton (11.5ft) :WALN6md 2.8/ 3.0/ 3.4/ 3.9 Walton (14) :WALN6mj 3.4/ 3.7/ 4.2/ 4.8 Walton (16) : Beaverkill Creek... CKFN6 1.8/ 1.9/ 2.3/ 2.7 :Cooks Falls (10ft) :CKFN6md 2.6/ 2.8/ 3.6/ 4.6 Cooks Falls (16) :CKFN6mj 3.0/ 3.3/ 4.3/ 5.7 Cooks Falls (18) : Lackawaxen River... HWYP1 2.3/ 2.6/ 3.2/ 4.0 :Hawley (14ft) :HWYP1md 3.0/ 3.4/ 4.2/ 5.3 Hawley (20) :HWYP1mj 3.3/ 3.7/ 4.6/ 5.8 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 1.7/ 2.3/ 3.3/ 4.0 :Mansfield (12ft) :MFDP1md 1.8/ 2.5/ 3.7/ 4.4 Mansfield (13) :MFDP1mj 2.0/ 2.8/ 4.2/ 4.9 Mansfield (14) : Penns Creek... PNCP1 2.6/ 2.9/ 3.0/ 3.2 :Penns Creek (8ft) :PNCP1md 2.7/ 3.1/ 3.5/ 4.3 Penns Creek (10) :PNCP1mj 3.0/ 3.5/ 4.2/ 5.2 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 1.4/ 1.5/ 1.7/ 1.7 :Williamsburg (12ft) :WIBP1md 1.4/ 1.6/ 1.8/ 1.8 Williamsburg (13) :WIBP1mj 1.5/ 1.6/ 2.0/ 2.1 Williamsburg (15) : Little Juniata River... SPKP1 1.2/ 1.2/ 1.4/ 1.4 :Spruce Creek (8ft) :SPKP1md 1.3/ 1.4/ 1.6/ 1.8 Spruce Creek (10) :SPKP1mj 1.7/ 1.8/ 2.3/ 2.6 Spruce Creek (14) : Aughwick Creek... SLYP1 1.3/ 1.4/ 1.5/ 1.8 :Shirleysburg (10ft) :SLYP1md 1.5/ 1.6/ 1.8/ 2.2 Shirleysburg (12) :SLYP1mj 3.6/ 3.9/ 4.7/ 6.5 Shirleysburg (20) : Sherman Creek... SMDP1 2.0/ 2.3/ 2.8/ 3.3 :Shermans Dale (9ft) :SMDP1md 2.3/ 2.7/ 3.3/ 3.9 Shermans Dale (11) :SMDP1mj 3.7/ 4.3/ 5.2/ 6.0 Shermans Dale (16) : Conodoguinet Creek... HGSP1 3.1/ 3.1/ 3.2/ 3.2 :Hogestown (8ft) :HGSP1md 3.3/ 3.4/ 4.0/ 4.6 Hogestown (10) :HGSP1mj 3.6/ 4.0/ 4.8/ 5.3 Hogestown (12) : Yellow Breeches Creek... CPHP1 1.6/ 2.0/ 2.3/ 3.6 :Camp Hill (7ft) :CPHP1md 1.8/ 2.1/ 2.6/ 3.9 Camp Hill (9) :CPHP1mj 2.3/ 2.7/ 3.6/ 5.0 Camp Hill (13) : Swatara Creek... HTVP1 1.8/ 2.2/ 2.6/ 3.8 :Harper Tavern (9ft) :HTVP1md 2.1/ 2.6/ 3.4/ 4.8 Harper Tavern (12) :HTVP1mj 2.5/ 3.1/ 3.9/ 5.6 Harper Tavern (15) : Conestoga River... LNCP1 1.6/ 1.9/ 2.0/ 2.8 :Lancaster (11ft) :LNCP1md 1.7/ 2.1/ 2.3/ 3.2 Lancaster (13) :LNCP1mj 1.9/ 2.3/ 2.6/ 3.6 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 2.4/ 2.5/ 2.6/ 2.7 :Landingville (8ft) :LGVP1md 3.2/ 3.4/ 3.6/ 3.9 Landingville (12) :LGVP1mj 3.9/ 4.3/ 4.6/ 5.1 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 2.8/ 3.6/ 4.4/ 5.7 :Berne (12ft) :BREP1md 3.1/ 4.0/ 5.1/ 6.7 Berne (14) :BREP1mj 3.4/ 4.5/ 5.6/ 7.3 Berne (16) : Bush Kill... SHOP1 2.5/ 3.1/ 3.4/ 3.4 :Shoemakers (6ft) :SHOP1md 2.7/ 3.3/ 3.9/ 4.4 Shoemakers (7) :SHOP1mj 2.9/ 3.5/ 4.4/ 5.0 Shoemakers (8) : Brodhead Creek... MNSP1 1.7/ 2.1/ 2.7/ 3.6 :Minisink Hills(10ft) :MNSP1md 1.8/ 2.3/ 3.1/ 4.0 Minisink Hills(12) :MNSP1mj 2.1/ 2.6/ 3.6/ 4.7 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.1/ 4.4/ 4.9/ 5.7 :Allentown-10th (8ft) :APAP1md 5.0/ 5.4/ 6.0/ 7.3 Allentown-10th (10) :APAP1mj 6.0/ 6.5/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 1.6/ 1.9/ 2.5/ 3.2 :Graterford (11ft) :GRAP1md 1.7/ 2.1/ 3.0/ 3.6 Graterford (13) :GRAP1mj 2.0/ 2.5/ 3.5/ 4.2 Graterford (16) : Neshaminy Creek... LNGP1 2.3/ 2.3/ 2.3/ 2.3 :Langhorne (9ft) :LNGP1md 2.5/ 2.6/ 2.8/ 2.8 Langhorne (10) :LNGP1mj 2.7/ 2.8/ 3.3/ 3.5 Langhorne (12) : Chester Creek... CHSP1 1.5/ 1.5/ 1.8/ 2.3 :Chester (8ft) :CHSP1md 2.0/ 2.0/ 2.4/ 3.0 Chester (10) :CHSP1mj 2.8/ 3.0/ 3.4/ 4.3 Chester (14) : West Branch Brandywine Creek... MODP1 3.4/ 3.6/ 3.9/ 4.1 :Modena (9ft) :MODP1md 3.9/ 4.2/ 4.6/ 4.8 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 0.9/ 0.9/ 1.0/ 1.0 :Downingtown (7ft) :DWNP1md 1.5/ 1.6/ 1.7/ 1.9 Downingtown (9) :DWNP1mj 2.4/ 2.5/ 2.6/ 2.9 Downingtown (11) : Brandywine Creek... CDFP1 1.9/ 1.9/ 1.9/ 1.9 :Chadds Ford (9ft) :CDFP1md 2.0/ 2.0/ 2.3/ 2.9 Chadds Ford (11) :CDFP1mj 2.2/ 2.3/ 3.0/ 3.8 Chadds Ford (13) : Christina River... CHBD1 1.5/ 1.6/ 1.9/ 2.7 :Coochs Brdg(11ft) :CHBD1md 1.8/ 2.0/ 2.4/ 3.4 Coochs Brdg(12) :CHBD1mj 2.5/ 2.7/ 3.2/ 4.4 Coochs Brdg(13) : White Clay Creek... DPKD1 1.3/ 1.4/ 1.5/ 2.1 :Delaware Pk (13ft) :DPKD1md 1.9/ 2.1/ 2.3/ 2.9 Delaware Pk (15) :DPKD1mj 3.0/ 3.2/ 3.5/ 4.5 Delaware Pk (16.5) : Red Clay Creek... RCCD1 1.6/ 1.8/ 2.1/ 2.5 :Wooddale (7ft) :RCCD1md 2.3/ 2.5/ 2.9/ 3.5 Wooddale (8.5) :RCCD1mj 2.9/ 3.2/ 3.6/ 4.4 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260823 Z DH18/DC2608231930/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 3.7/ 3.8/ 4.3/ 5.1 :Archbald (8ft) :ARHP1md 4.4/ 4.5/ 4.9/ 6.0 Archbald (9) :ARHP1mj 5.0/ 5.1/ 5.7/ 7.0 Archbald (10) PKIP1 4.2/ 4.3/ 4.5/ 4.9 :Scranton (12.5ft.) :PKIP1md 4.5/ 4.6/ 4.7/ 5.3 Scranton (14) :PKIP1mj 4.6/ 4.7/ 4.9/ 5.5 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260823 DC2608231950/DH21/HGIFX/DIH3/ .E1 1.9/1.9/1.9/1.9/1.9/1.8/1.8/1.8 .E PKIP1 20260823 DC2608231950/DH21/HGIFX/DIH3/ .E1 1.3/1.5/1.4/1.3/1.2/1.2/1.2/1.1 $$ NNNN  545 FOUS71 KRHA 231950 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EDT SUN AUG 23 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260823 Z DH18/DC2608231930/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.2/ 2.4/ 2.9/ 3.6 :Kitzmiller (9ft) :KITM2md 3.0/ 3.4/ 4.2/ 5.6 Kitzmiller (11) :KITM2mj 4.4/ 4.9/ 6.4/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.2/ 1.3/ 1.6/ 1.9 :Westernport (8ft) :WSTM2md 1.8/ 2.0/ 2.4/ 2.8 Westernport (10) :WSTM2mj 2.4/ 2.8/ 3.2/ 3.8 Westernport (12) : South Branch Potomac River... FKLW2 1.5/ 1.8/ 2.1/ 2.8 :Franklin (7ft) :FKLW2md 1.7/ 2.0/ 2.3/ 3.4 Franklin (9) :FKLW2mj 1.9/ 2.3/ 2.7/ 4.0 Franklin (11) : Opequon Creek... MBGW2 2.0/ 2.7/ 3.1/ 4.2 :Martinsburg (10ft) :MBGW2md 2.2/ 2.9/ 3.5/ 5.1 Martinsburg (12.5) :MBGW2mj 2.5/ 3.4/ 4.2/ 6.0 Martinsburg (15) : South River... WAYV2 3.4/ 4.3/ 5.6/ 7.2 :Waynesboro (9.5ft) :WAYV2md 3.7/ 4.5/ 6.2/ 7.8 Waynesboro (11) :WAYV2mj 4.0/ 5.0/ 6.9/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 1.9/ 2.2/ 3.1/ 3.8 :Cootes Store (15ft) :COOV2md 2.3/ 2.7/ 3.8/ 4.7 Cootes Store (18) :COOV2mj 2.8/ 3.2/ 4.8/ 5.9 Cootes Store (21) : Antietam Creek... SACM2 1.8/ 2.5/ 3.4/ 5.2 :Sharpsburg (8ft) :SACM2md 1.9/ 2.7/ 4.1/ 5.7 Sharpsburg (10) :SACM2mj 2.0/ 2.9/ 4.9/ 6.5 Sharpsburg (12) : Seneca Creek... DAWM2 2.3/ 2.5/ 2.9/ 3.6 :Dawsonville (7.5ft) :DAWM2md 2.9/ 3.3/ 4.6/ 5.9 Dawsonville (11) :DAWM2mj 4.9/ 5.7/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 4.4/ 6.3/ 7.4/ 8.0 :Buena Vista (17ft) :BVSV2cs 4.0/ 5.4/ 6.8/ 8.0 Buena Vista (13) :BVSV2md 4.6/ 6.6/ 7.4/ 8.0 Buena Vista (19) :BVSV2mj 4.9/ 6.9/ 7.4/ 8.0 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive.,Washington DC .B RHA 260823 Z DH18/DC2608231930/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.7/ 1.8/ 2.0/ 2.4 :Washington, DC (7ft) :RCKD2md 2.3/ 2.6/ 2.9/ 3.5 Washington, DC (10) :RCKD2mj 3.1/ 3.4/ 3.8/ 4.6 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260823 DC2608231950/DH21/HGIFX/DIH3/ .E1 2.1/2.0/2.0/2.0/2.0/2.0/2.0/2.0 $$ NNNN  940 FOUS73 KMSR 232000 FFHMPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 TWIN CITIES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : SNCM5 2.5/ 2.7/ 3.0 :JORDAN MN SAND CR PNLM5 3.3/ 3.9/ 4.5 :PINE ISLAND MN MID FK ZUMBRO R PILM5 3.5/ 4.0/ 4.5 :PINE ISLAND MN N B MID FK ZUMBRO R WGOM5 3.5/ 4.0/ 4.5 :WANAMINGO MN NO FK ZUMBRO R .END $$  941 FOUS73 KMSR 232000 FFHLSX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 ST LOUIS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MISSOURI HEADWATER POINTS *** : EWNM7 3.1/ 3.5/ 3.9 :EWING MO 5E NORTH FABIUS R EWMM7 3.1/ 3.5/ 3.9 :EWING MO 1NNE MIDDLE FABIUS R PALM7 1.9/ 2.0/ 2.4 :PALMYRA MO NORTH R TAYM7 1.9/ 2.4/ 3.0 :TAYLOR MO S FABIUS R PMZM7 2.4/ 2.7/ 3.1 :HOLLIDAY MO 2N MI FK SALT R TRYM7 1.7/ 1.8/ 2.0 :TROY MO CUIVRE R DRCM7 2.0/ 2.2/ 2.3 :ST PETERS MO DARDENNE CR LSLM7 2.1/ 2.4/ 2.7 :LAKE SAINT LOUIS PERUQUE CR - ABOVE LSTM7 1.7/ 1.9/ 2.1 :LAKE ST LOUIS MO PERUQUE CR CSNM7 1.6/ 1.7/ 1.8 :COOK STATION MO 1N MERAMEC R SEEM7 1.4/ 1.7/ 2.0 :STEELVILLE MO 2N MERAMEC R UNNM7 3.3/ 3.5/ 3.7 :UNION MO BOURBEUSE R BYRM7 2.8/ 3.2/ 3.7 :BYRNESVILLE MO 2NNE BIG R .END $$  942 FOUS73 KMSR 232000 FFHMKX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 MILWAUKEE HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** WISCONSIN HEADWATER POINTS *** : AFTW3 2.2/ 2.7/ 3.2 :AFTON WI ROCK R BCHW3 2.0/ 2.2/ 2.5 :BLANCHARDVILLE WI E BR PECATONICA R BUNW3 2.5/ 2.8/ 3.3 :BUNCOMBE WI GALENA R DARW3 2.4/ 2.7/ 3.4 :DARLINGTON WI PECATONICA R MTNW3 1.8/ 2.0/ 3.0 :MARTINTOWN WI PECATONICA R MAZW3 2.3/ 2.4/ 3.1 :MAZOMANIE WI BLACK EARTH CR KINW3 2.9/ 3.6/ 4.4 :MILWAUKEE WI KINNICKINNIC R SEBW3 2.7/ 2.9/ 3.5 :SHEBOYGAN WI SHEBOYGAN R WKEW3 3.2/ 3.2/ 3.3 :WAUKESHA WI FOX R WWTW3 3.4/ 3.6/ 3.9 :WAUWATOSA WI MENOMONEE R BLOW3 1.7/ 1.9/ 2.1 :BELOIT WI TURTLE CR MFSW3 0.5/ 1.0/ 1.0 :MENOMONEE FALLS WI MENOMONEE R OAKW3 2.1/ 2.2/ 2.6 :SOUTH MILWAUKEE OAK CR .END $$  943 FOUS73 KMSR 232000 FFHLOT HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 CHICAGO HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : NBPI2 2.6/ 2.7/ 2.9 :CHICAGO IL N BR CHICAGO R CDCI2 1.0/ 1.3/ 1.6 :CHICAGO HEIGHTS IL DEER CR DRFI2 2.4/ 2.8/ 3.8 :DEERFIELD IL N BR CHICAGO R DEKI2 3.5/ 4.0/ 4.5 :DE KALB IL S BR KISHWAUKEE R DSPI2 3.1/ 3.2/ 3.3 :DES PLAINES IL DES PLAINES R WLRI2 3.0/ 3.4/ 3.8 :DES PLAINES IL WELLER CR EMHI2 2.7/ 3.1/ 3.5 :ELMHURST IL SALT CR FLSI2 1.1/ 1.5/ 1.7 :FLOSSMOOR IL BUTTERFIELD CR GLWI2 1.5/ 1.8/ 2.2 :GLENWOOD IL THORN CR GUNI2 2.7/ 2.8/ 2.8 :GURNEE IL DES PLAINES R JHCI2 2.5/ 2.7/ 2.9 :JOLIET IL HICKORY CR LAFI2 2.4/ 2.8/ 3.8 :LAKE FOREST IL SKOKIE R NILI2 3.5/ 4.0/ 4.5 :NILES IL N BR CHICAGO R NBRI2 3.5/ 4.0/ 4.5 :NORTHBROOK IL W FK N BR CHICAGO R OAKI2 3.1/ 3.2/ 3.6 :OAK FOREST IL MIDLOTHIAN CR MCDI2 3.3/ 3.7/ 4.1 :PROSPECT HTS IL MCDONALD CR ALPI2 1.6/ 1.7/ 1.9 :ROCKFORD IL ALPINE DAM-KEITH CR LEVI2 1.9/ 2.3/ 2.8 :ROCKFORD IL LEVINGS LAKE PPLI2 2.1/ 2.5/ 3.0 :ROCKFORD IL PAGE PARK LAKE ROLI2 2.9/ 3.3/ 3.8 :ROLLING MEADOWS IL SALT CR SCHI2 3.5/ 4.0/ 4.5 :ST CHARLES IL FERSON CR SORI2 3.5/ 3.7/ 3.9 :SHOREWOOD IL DU PAGE R THNI2 1.3/ 1.3/ 1.3 :THORNTON IL THORN CR WHEI2 3.0/ 3.1/ 3.4 :WHEELING IL BUFFALO CR WLSI2 3.5/ 4.0/ 4.5 :WILLOW SPRINGS IL FLAG CR YRKI2 2.6/ 2.7/ 2.7 :YORKVILLE IL BLACKBERRY CR : : *** INDIANA HEADWATER POINTS *** : HDDI3 3.5/ 4.0/ 4.5 :DYER IN HART DITCH MNTI3 3.5/ 3.5/ 3.5 :MUNSTER IN HART DITCH LCMI3 2.8/ 2.7/ 2.8 :MUNSTER IN LITTLE CALUMET R PRTI3 2.1/ 2.1/ 2.1 :PORTER IN LITTLE CALUMET R .END $$  944 FOUS73 KMSR 232000 FFHILX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 LINCOLN HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : BMII2 3.5/ 4.0/ 4.5 :BLOOMINGTON IL SUGAR CR RLLI2 1.9/ 1.9/ 1.8 :ROWELL IL SALT CR .END $$  957 FOUS73 KMSR 232000 FFHARX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 LA CROSSE HYDRLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : DEHI4 3.5/ 4.0/ 4.5 :DECORAH IA UPPER IOWA R DCHI4 2.9/ 3.2/ 3.7 :DORCHESTER IA UPPER IOWA R GRBI4 2.4/ 2.5/ 2.8 :GARBER IA TURKEY R : : *** MINNESOTA HEADWATER POINTS *** : ASTM5 2.4/ 2.7/ 3.1 :AUSTIN WWTP MN CEDAR R DOBM5 2.9/ 3.0/ 3.3 :AUSTIN MN-21ST DOBBINS CR TRCM5 3.3/ 3.7/ 4.4 :AUSTIN MN-41 AV NW TURTLE CR HOUM5 2.2/ 2.4/ 2.9 :HOUSTON MN ROOT R LNSM5 3.2/ 3.6/ 4.0 :LANESBORO MN S BR ROOT R LANM5 2.9/ 3.0/ 3.4 :LANSING MN CEDAR R PTNM5 3.1/ 3.4/ 4.2 :PRESTON MN S BR ROOT R RBCM5 3.5/ 4.0/ 4.5 :ROCHESTER MN BEAR CR RCCM5 3.4/ 3.6/ 4.3 :ROCHESTER MN CASCADE CR ROCM5 3.5/ 4.0/ 4.5 :ROCHESTER MN SILVER CR RCSM5 3.5/ 4.0/ 4.5 :HWY 14 ROCHESTER S FK ZUMBRO R RCHM5 3.4/ 4.0/ 4.5 :ROCHESTER MN S FK ZUMBRO R WSPM5 2.9/ 3.1/ 3.8 :WHITEWATER ST.PK MFK WHITEWATER R ZUMM5 3.4/ 4.0/ 4.5 :ZUMBRO FALLS MN ZUMBRO R : : *** WISCONSIN HEADWATER POINTS *** : BTNW3 2.3/ 2.3/ 2.4 :BURTON WI GRANT R DDGW3 3.5/ 3.6/ 3.8 :DODGE WI TREMPEALEAU R GMIW3 3.3/ 3.5/ 3.8 :GAYS MILLS WI KICKAPOO R HILW3 2.1/ 2.3/ 2.4 :HILLSBORO WWTP WI S BR BARABOO R LAFW3 2.7/ 2.8/ 3.0 :LA FARGE WI KICKAPOO R NEIW3 2.9/ 3.7/ 4.5 :NEILLSVILLE WI BLACK R ONTW3 2.7/ 2.8/ 2.9 :ONTARIO WI KICKAPOO R REAW3 2.9/ 3.0/ 3.2 :READSTOWN WI KICKAPOO R RVLW3 2.8/ 3.0/ 3.2 :ROCKVILLE WI 2E PLATTE R SOGW3 2.7/ 2.8/ 2.9 :SOLDIERS GROVE WI KICKAPOO R STEW3 3.0/ 3.1/ 3.2 :STEUBEN WI KICKAPOO R VIOW3 2.7/ 2.8/ 2.9 :VIOLA WI KICKAPOO R .END $$  958 FOUS73 KMSR 232000 FFHDMX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 DES MOINES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : AKWI4 3.0/ 3.1/ 3.2 :ACKWORTH IA SOUTH R AMWI4 2.9/ 3.0/ 3.1 :AMES IA IOWAY CR BSSI4 2.9/ 3.1/ 3.3 :BUSSEY IA CEDAR CR DFMI4 3.5/ 3.6/ 3.7 :DSM-EASTON FOUR MILE CR CLVI4 2.6/ 3.0/ 3.2 :CLIVE I-80/35 WALNUT CR DOSI4 2.8/ 3.0/ 3.4 :DSM-63RD ST WALNUT CR MCWI4 3.5/ 3.8/ 4.3 :MASON CITY IA WINNEBAGO R .END $$  959 FOUS73 KMSR 232000 FFHAPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 GAYLORD HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MICHIGAN HEADWATER POINTS *** : BVTM4 3.5/ 4.0/ 4.5 :BEAVERTON MI TOBACCO R MYFM4 3.5/ 3.9/ 4.1 :MAYFIELD MI BOARDMAN R RUDM4 3.5/ 4.0/ 4.5 :RUDYARD MI PINE RIVER .END $$  961 FOUS73 KMSR 232000 FFHFGF HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT SUN AUG 23 2026 GRAND FORKS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260823 Z DH18/DC2608232000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : CSRM5 3.5/ 4.0/ 4.1 :CAMPBELL MN 1W SO FK RABBIT R MALM5 3.5/ 3.9/ 4.5 :MALUNG MN 2NW ROSEAU R BLO SO FK : : *** NORTH DAKOTA HEADWATER POINTS *** : DWGN8 3.5/ 4.0/ 4.5 :DWIGHT ND 1NE ANTELOPE CR HGRN8 3.5/ 4.0/ 4.5 :HILLSBORO ND GOOSE R LTRN8 2.6/ 2.8/ 3.1 :LARIMORE ND 5ENE TURTLE R .END $$  643 AWUS01 KWNH 232334 FFGMPD AZZ000-240515- Mesoscale Precipitation Discussion 1118 NWS Weather Prediction Center College Park MD 734 PM EDT Sun Aug 23 2026 Areas affected...south-central to southern AZ Concerning...Heavy rainfall...Flash flooding possible Valid 232333Z - 240515Z Summary...Flash flooding will be possible across portions of southern AZ through 05Z with at least isolated coverage. High sub-hourly rain rates, locally exceeding 1 inch in 15 minutes, are expected to lead to 1 to 2 inch totals (locally higher possible). Discussion...Satellite and radar imagery showed a few ongoing thunderstorms across the higher terrain of southeastern AZ as of 23Z with a general movement toward the west, though some cell motions were slower than others. Additional attempts at convective development were also noted over southern Maricopa/Pinal counties in visible imagery while outflow was propagating southward off of the Mogollon Rim across northern Maricopa County. The recent increase in cell coverage has begun to form a couple of outflow generated cold pools over southeastern AZ, with the potential early stages of congealing occurring. Blended TPW imagery has shown increasing moisture from the Gulf of CA into portions of south-central and southwestern AZ since 12Z with values of 1.1 to 1.7 inches as of 22Z, helping contribute to MLCAPE of 500 to 2000 J/kg (highest over southwestern AZ as seen on the 23Z SPC mesoanalysis). Given the center of the mid to upper-level ridge was over southeastern NM, an increased southerly trajectory to the low to mid-level flow was seen into southern AZ. Expectations are for continued convective development over the next couple of hours over southeastern AZ (and possibly out ahead over south-central AZ near/ahead of outflow), with movement around the ridge toward the west and northwest. There is some uncertainty regarding convective development over parts of southwestern AZ given increasing values of convective inhibition with western extent as noted on SPC mesoanalyses (Yuma County) but lift associated with outflow propagation should be enough to overcome weaker values of inhibition farther east (Pima and southern portions of Maricopa and Pinal counties) if organization continues to increase. Should at least a weakly organized convective cluster form, system propagation should limit the duration of rainfall over any given location. However, the environment will be supportive of high sub-hourly rain rates similar to what has already been observed in northern Santa Cruz County just after 22Z (1.38 inches in 15 minutes). 0.5 to 1.0+ inches in 15 minutes will be possible with an evolution toward the west and northwest with time through 05Z, possibly resulting in flash flooding of low water crossings, normally dry washes and low lying areas. Otto ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...PSR...TWC... ATTN...RFC...STR...NWC... LAT...LON 33791258 33641153 32471025 31700998 31201023 31561222 32091343 32761371 33151371 33671330