484 

WOUS64 KWNS 182113

WOU0  



SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 220

NWS STORM PREDICTION CENTER NORMAN OK

513 PM EDT MON MAY 18 2026



SEVERE THUNDERSTORM WATCH 220 REMAINS IN EFFECT UNTIL 600 PM EDT

FOR THE FOLLOWING LOCATIONS



INC001-075-182200-

/O.CON.KWNS.SV.A.0220.000000T0000Z-260518T2200Z/



IN 

.    INDIANA COUNTIES INCLUDED ARE



ADAMS                JAY                 

$$





MIC059-182200-

/O.CON.KWNS.SV.A.0220.000000T0000Z-260518T2200Z/



MI 

.    MICHIGAN COUNTIES INCLUDED ARE



HILLSDALE            

$$





OHC003-011-039-051-069-107-125-137-161-171-182200-

/O.CON.KWNS.SV.A.0220.000000T0000Z-260518T2200Z/



OH 

.    OHIO COUNTIES INCLUDED ARE



ALLEN                AUGLAIZE            DEFIANCE            

FULTON               HENRY               MERCER              

PAULDING             PUTNAM              VAN WERT            

WILLIAMS             

$$





ATTN...WFO...IWX...ILN...








485 

WOUS64 KWNS 182113

WOU1  



SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 221

NWS STORM PREDICTION CENTER NORMAN OK

513 PM EDT MON MAY 18 2026



SEVERE THUNDERSTORM WATCH 221 REMAINS IN EFFECT UNTIL 800 PM EDT

FOR THE FOLLOWING LOCATIONS



MIC001-007-011-017-039-049-051-063-069-087-091-093-099-111-115-

119-125-129-135-137-141-143-145-147-151-155-157-161-163-

190000-

/O.CON.KWNS.SV.A.0221.000000T0000Z-260519T0000Z/



MI 

.    MICHIGAN COUNTIES INCLUDED ARE



ALCONA               ALPENA              ARENAC              

BAY                  CRAWFORD            GENESEE             

GLADWIN              HURON               IOSCO               

LAPEER               LENAWEE             LIVINGSTON          

MACOMB               MIDLAND             MONROE              

MONTMORENCY          OAKLAND             OGEMAW              

OSCODA               OTSEGO              PRESQUE ISLE        

ROSCOMMON            SAGINAW             ST. CLAIR           

SANILAC              SHIAWASSEE          TUSCOLA             

WASHTENAW            WAYNE               

$$





LCZ422-423-460-LEZ444-LHZ347-348-349-361-362-363-421-422-441-442-

443-462-463-464-190000-

/O.CON.KWNS.SV.A.0221.000000T0000Z-260519T0000Z/



CW 



.    ADJACENT COASTAL WATERS INCLUDED ARE



ST. CLAIR RIVER 



DETROIT RIVER 



LAKE ST. CLAIR OPEN LAKE (U.S. PORTION) 



MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI 



5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING

BOIS BLANC ISLAND 



PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY

NATIONAL MARINE SANCTUARY 



STURGEON PT TO ALABASTER MI 



LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT 

TO THE US/CANADIAN BORDER BEYOND 5 NM FROM SHORE 



LAKE HURON FROM PRESQUE ISLE LT. TO STURGEON POINT  MI 5NM OFF

SHORE TO US/CANADIAN BORDER 



LAKE HURON FROM STURGEON POINT TO ALABASTER MI 5NM OFF SHORE TO

US/CANADIAN BORDER 



OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER

SAGINAW BAY 



INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI 



PORT AUSTIN TO HARBOR BEACH MI 



HARBOR BEACH TO PORT SANILAC MI 



PORT SANILAC TO PORT HURON MI 



LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH 5NM OFF SHORE TO THE

US/CANADIAN BORDER 



LAKE HURON FROM HARBOR BEACH TO PORT SANILAC 5NM OFF SHORE TO

US/CANADIAN BORDER 



LAKE HURON FROM PORT SANILAC TO PORT HURON 5NM OFF SHORE TO

US/CANADIAN BORDER 



$$





ATTN...WFO...APX...DTX...








486 

WOUS64 KWNS 182113

WOU5  



TORNADO WATCH OUTLINE UPDATE FOR WT 225

NWS STORM PREDICTION CENTER NORMAN OK

413 PM CDT MON MAY 18 2026



TORNADO WATCH 225 REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE 

FOLLOWING LOCATIONS



IAC001-003-029-039-053-071-129-137-145-159-173-175-190300-

/O.CON.KWNS.TO.A.0225.000000T0000Z-260519T0300Z/



IA 

.    IOWA COUNTIES INCLUDED ARE



ADAIR                ADAMS               CASS                

CLARKE               DECATUR             FREMONT             

MILLS                MONTGOMERY          PAGE                

RINGGOLD             TAYLOR              UNION               

$$





KSC005-043-190300-

/O.CON.KWNS.TO.A.0225.000000T0000Z-260519T0300Z/



KS 

.    KANSAS COUNTIES INCLUDED ARE



ATCHISON             DONIPHAN            

$$





MOC003-005-021-061-063-075-081-087-147-227-190300-

/O.CON.KWNS.TO.A.0225.000000T0000Z-260519T0300Z/



MO 

.    MISSOURI COUNTIES INCLUDED ARE



ANDREW               ATCHISON            BUCHANAN            

DAVIESS              DEKALB              GENTRY              

HARRISON             HOLT                NODAWAY             

WORTH                

$$





ATTN...WFO...DMX...OAX...EAX...