Immediate

Responsive action SHOULD be taken immediately

South Dakota Severe Severe Thunderstorm Warning | Effective 08/10/2026 18:50

At 750 PM MDT, a severe thunderstorm was located 6 miles west of Bison, or 36 miles southwest of Lemmon, moving southeast at 30 mph. THIS IS A DESTRUCTIVE STORM FOR PRAIRIE CITY AND BISON. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. This severe thunderstorm will be near... Bison around 755 PM MDT. Owen Lake around 805 PM MDT.

Ohio Severe Severe Thunderstorm Warning | Effective 08/10/2026 18:51

At 951 PM EDT, a severe thunderstorm was located over Spencerville In Allen County, moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is possible. Expect wind damage to trees and power lines. Locations impacted include... Wapakoneta, Fort Shawnee, Cridersville, Rockford, Mendon, Buckland, Uniopolis, Chattanooga, Kossuth, Tama, St. Johns, Neptune, and State Route 116 at State Route 197.

Arizona Severe Flash Flood Warning | Effective 08/10/2026 18:53

At 753 PM MDT, Arizona DOT reported flooding along Highway 160 near Tsegi from earlier heavy rainfall. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Arizona DOT reported. IMPACT...Life threatening flash flooding of creeks and streams, normally dry washes, urban areas, highways, streets and underpasses.

Arizona Severe Severe Thunderstorm Warning | Effective 08/10/2026 18:55

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... West Central Pima County in southeastern Arizona... * Until 745 PM MST. * At 655 PM MST, a severe thunderstorm was located 10 miles south of GuVo, moving west at 5 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Organ Pipe Cactus National Monument, Ali Chugk, Pia Oik, Santa Cruz

New York Severe Severe Thunderstorm Warning | Effective 08/10/2026 18:58

SVRBTV The National Weather Service in Burlington has issued a * Severe Thunderstorm Warning for... West central Franklin County in northern New York... East central St. Lawrence County in northern New York... * Until 1045 PM EDT. * At 957 PM EDT, a severe thunderstorm was located over Converse, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is possible. Expect wind damage to trees and powerlines. * Locations impacted include...

Arizona Severe Severe Thunderstorm Warning | Effective 08/10/2026 18:59

At 659 PM MST, a severe thunderstorm was located over Tucson, moving west at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Tucson and Davis-Monthan Air Force Base. This includes Interstate 10 between mile markers 262 and 267. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

Arizona Severe Flash Flood Warning | Effective 08-10-2026 18:31

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... * Until 1030 PM MDT. * At 731 PM MDT, Doppler radar indicated thunderstorms producing heavy rain along Highway 160 near Tsegi to northwest of Kayenta. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Arizona Severe Flash Flood Warning | Effective 08-10-2026 18:36

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Central La Paz County in west central Arizona... * Until 1030 PM MST. * At 636 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 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...Life threatening flash flooding. Thunderstorms producing flash flooding.

Ohio Severe Severe Thunderstorm Warning | Effective 08/10/2026 18:29

SVRILN The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Northwestern Auglaize County in west central Ohio... Northern Mercer County in west central Ohio... * Until 1015 PM EDT. * At 929 PM EDT, a severe thunderstorm was located near Ohio City, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is possible. Expect wind damage to trees and power lines. * Locations impacted include...

Arizona Severe Flash Flood Warning | Effective 08/10/2026 18:31

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... * Until 1030 PM MDT. * At 731 PM MDT, Doppler radar indicated thunderstorms producing heavy rain along Highway 160 near Tsegi to northwest of Kayenta. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
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