219 WGUS55 KFGZ 132106 FFWFGZ AZC005-140000- /O.NEW.KFGZ.FF.W.0157.260913T2106Z-260914T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Flagstaff AZ 206 PM MST Sun Sep 13 2026 The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Havasu Creek basin in... Coconino County in north central Arizona...This includes the Colorado River between river miles 156 and 158. * Until 500 PM MST. * At 206 PM MST, Doppler radar indicated thunderstorms producing heavy rain over the Havasu Creek basin. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 0.25 to 0.75 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 Havasu Creek basin. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Havasu Creek basin. * Some locations that will experience flash flooding include... Little Navajo Falls, Mooney Falls, Beaver Falls, Hualapai Hilltop, Havasupai Reservation and Supai. This includes the Colorado River between river miles 156 and 158. This includes the following swimming holes... All swimming holes on Havasu Creek near Supai. This includes the following creeks, washes and rivers... Little Coyote Canyon, Sinyella Canyon, Heather Wash, Pasture Wash, Colorado River, Black Tank Wash and Havasu Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Campers and hikers should hustle to higher ground immediately! Stay away from creeks and washes! Foot bridges will be washed out in Supai Campground. Some campsites will be flooded. Campers may be stranded in portions of the campground. && LAT...LON 3628 11268 3620 11258 3608 11256 3604 11251 3601 11256 3604 11262 3611 11263 3620 11269 3615 11271 3611 11271 3612 11275 3620 11278 3627 11278 3630 11279 3630 11277 3631 11276 3632 11276 3633 11275 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JJ 154 WGUS55 KFGZ 132114 FFWFGZ AZC005-140015- /O.NEW.KFGZ.FF.W.0158.260913T2114Z-260914T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Flagstaff AZ 214 PM MST Sun Sep 13 2026 The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona...This includes the Colorado River between river miles 113 and 154. * Until 515 PM MST. * At 214 PM MST, Doppler radar indicated thunderstorms producing heavy rain across a large area of northwest Coconino County, including several drainages in the Grand Canyon that flow into the Colorado River. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.75 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. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, and normally dry washes. * Some locations that will experience flash flooding include... Locust Point, Grand Canyon National Park, Alarcon Terrace, Tobar Terrace, Blacktail Canyon, Garnet Canyon, Muav Canyon, Timp Point, North Timp Point, Stina Point and Havasupai Reservation. This includes the Colorado River between river miles 113 and 154. This includes the following recreation areas and campgrounds... Above Buckhorn Canyon Camp Site, 119.8 Mile Right Camp Site, 119.8 Mile Left Camp Site, Patch Camp Site, Upset Hotel Camp Site and Sinyala Camp Site. This includes the following creeks, washes and rivers... Hundred and Twentyseven Mile Creek, Hakatai Canyon, 119- Mile Creek, 122- Mile Creek, Hundred and Twentyeight Mile Creek, 133- Mile Creek, Galloway Canyon, Royal Arch Creek, Havasu Creek, Deer Creek, Fossil Canyon, 128- Mile Creek, Fishtail Canyon, Blacktail Canyon, Shinumo Creek, 140- Mile Canyon, Olo Canyon, Specter Chasm, Stone Creek, Forster Canyon, Sinyella Canyon, Hundred and Twenty Mile Creek, 150- Mile Canyon, Colorado River, "130- Mile Creek", Matkatamiba Canyon, Tapeats Creek, Bonita Creek, 127-Mile Creek, Garnet Canyon, "127.6- Mile Canyon", Waltenberg Canyon and Bedrock Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. Get out of washes and creeks if you are camping or hiking! Flooding is occurring or imminent and will inundate creeks and washes. && LAT...LON 3638 11265 3642 11250 3646 11232 3641 11223 3634 11229 3627 11238 3622 11241 3619 11248 3620 11258 3632 11273 3632 11272 3635 11272 3636 11269 3634 11268 3636 11266 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JJ 317 WGUS55 KFGZ 132114 RRA FFWFGZ AZC005-140015- /O.NEW.KFGZ.FF.W.0159.260913T2114Z-260914T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Flagstaff AZ 214 PM MST Sun Sep 13 2026 The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Antelope Canyon in north central Arizona... * Until 515 PM MST /615 PM MDT/. * At 214 PM MST /314 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain from Le Chee to Antelope Canyon. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams and normally dry washes. * Some locations that will experience flash flooding include... Page, Lower Antelope Canyon, Owl Canyon, LeChee, Rattlesnake Canyon, Mountain Sheep Canyon and Upper Antelope Canyon. This includes the following slot canyons... Lower Antelope Canyon, Owl Canyon and Rattlesnake Canyon. This includes the following creeks, washes and rivers... Honey Draw and Antelope Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. && LAT...LON 3694 11144 3692 11144 3691 11145 3686 11145 3685 11144 3685 11141 3686 11139 3687 11138 3689 11138 3691 11140 3693 11141 3694 11142 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ NWS Flagstaff 918 WGUS51 KPBZ 132126 FFWPBZ PAC085-140030- /O.NEW.KPBZ.FF.W.0147.260913T2126Z-260914T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Pittsburgh PA 526 PM EDT Sun Sep 13 2026 The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... West Central Mercer County in northwestern Pennsylvania... * Until 830 PM EDT. * At 526 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Hermitage, Sharon, Sharpsville, Farrell and Wheatland. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4127 8052 4127 8037 4118 8038 4119 8052 FLASH FLOOD...RADAR INDICATED $$ WM