Immediate

Responsive action SHOULD be taken immediately

California Severe Flash Flood Warning | Effective 08/08/2026 17:51

At 551 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. 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...

North Dakota Severe Severe Thunderstorm Warning | Effective 08/08/2026 17:53

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southeastern Emmons County in south central North Dakota... * Until 845 PM CDT. * At 753 PM CDT, a severe thunderstorm was located 6 miles southwest of Linton, moving southeast at 20 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.

Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/08/2026 17:58

At 858 PM EDT, a severe thunderstorm was located 6 miles north of Sarver, or 7 miles southeast of Butler, moving east at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Worthington. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter

California Extreme Evacuation Immediate | Effective 08-08-2026 17:36

LA County Sheriff: 8/8/26 at 5:30 pm: A wildfire near Sierra Highway is rapidly spreading. An Evacuation Order has been issued for areas near Eternal Valley and Calgrove. LEAVE NOW. Your safety could be in danger if you stay. Call 9-1-1 for emergency assistance. Visibility may be limited, use caution while evacuating. Alertla.org for more information.

Tennessee Severe Flash Flood Warning | Effective 08-08-2026 17:38

FFWOHX The National Weather Service in Nashville has extended the * Flash Flood Warning for... Southeastern Williamson County in Middle Tennessee... * Until 945 PM CDT. * At 738 PM CDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 1 and 4 inches of rain have fallen. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported.

Arizona Severe Severe Thunderstorm Warning | Effective 08/08/2026 17:33

SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Yavapai County in west central Arizona... * Until 600 PM MST. * At 533 PM MST, a severe thunderstorm was located near Dewey-Humboldt, or 12 miles southeast of Prescott Valley, moving southwest at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Dewey-Humboldt, Mayer, Mt. Union, Walker, Potato Patch and Poland Junction.

Tennessee Severe Flash Flood Warning | Effective 08/08/2026 17:36

FFWOHX The National Weather Service in Nashville has extended the * Flash Flood Warning for... Central Rutherford County in Middle Tennessee... Southern Wilson County in Middle Tennessee... * Until 915 PM CDT. * At 736 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/08/2026 17:37

At 737 PM CDT, a severe thunderstorm was located 6 miles west of Linton, moving east at 20 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... Linton and Temvik. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
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