WGUS55 KFGZ 232036 FFWFGZ AZC005-232330- /O.NEW.KFGZ.FF.W.0130.260823T2036Z-260823T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Flagstaff AZ 136 PM MST Sun Aug 23 2026 The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Antelope Creek basin in... Coconino County in north central Arizona... * Until 430 PM MST /530 PM MDT/. * At 136 PM MST /236 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain over the Antelope Creek basin. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts up to 0.25 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Antelope Creek basin. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Antelope Creek basin. * Some locations that will experience flash flooding include... Antelope Canyon. This includes the following slot canyons... Upper Antelope Canyon, Lower Antelope Canyon, Owl Canyon, Rattlesnake Canyon, Mountain Sheep Canyon, Ramshead Canyon, Wind Pebble Canyon and Porcupine Canyon. This includes the following creeks, washes and rivers... Antelope Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Get out of Antelope Canyon and other area slot canyons immediately! Deadly flash flooding is imminent or occurring! && LAT...LON 3694 11144 3694 11142 3690 11140 3688 11137 3684 11135 3679 11138 3680 11143 3686 11142 3689 11142 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ Humphreys