Immediate

Responsive action SHOULD be taken immediately

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:32

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Central Kidder County in south central North Dakota... * Until 1230 AM CDT. * At 1132 PM CDT, a severe thunderstorm was located 9 miles south of Tuttle, or 37 miles northeast of Bismarck, moving northeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include...

Tennessee Severe Flash Flood Warning | Effective 08/11/2026 21:32

At 1132 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. The expected rainfall rate is 2 inches in 1 hour. Additional rainfall amounts up 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

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:33

At 1133 PM CDT, a severe thunderstorm was located 6 miles south of Murdo, moving southeast at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will be near... Murdo around 1135 PM CDT. Westover around 1140 PM CDT. Anyone outdoors should move to shelter inside a well-built structure

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:38

At 1038 PM MDT /1138 PM CDT/, severe thunderstorms were located along a line from over Intersection of Highway 83 and White River to 9 miles southwest of Norris, or along a line from 9 miles north of White River to 26 miles northeast of Martin, moving southeast at 40 mph. THESE ARE DESTRUCTIVE STORMS FOR CEDAR BUTTE, WHITE RIVER. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...Flying debris will be dangerous to those caught without

Tennessee Severe Flash Flood Warning | Effective 08/11/2026 21:40

FFWOHX The National Weather Service in Nashville has issued a * Flash Flood Warning for... Southwestern Cannon County in Middle Tennessee... Northeastern Coffee County in Middle Tennessee... East Central Rutherford County in Middle Tennessee... Southwestern Warren County in Middle Tennessee... * Until 145 AM CDT. * At 1140 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain

Indiana Severe Flash Flood Warning | Effective 08/11/2026 21:41

FFWIND The National Weather Service in Indianapolis has issued a * Flash Flood Warning for... Northern Shelby County in central Indiana... * Until 645 AM EDT Wednesday. * At 1241 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 0.75 to 1.25 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Tennessee Severe Flash Flood Warning | Effective 08/11/2026 21:43

FFWMRX The National Weather Service in Morristown has extended the * Flash Flood Warning for... Northeastern Blount County in east Tennessee... Southeastern Knox County in east Tennessee... Western Sevier County in east Tennessee... * Until 230 AM EDT. * At 1243 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 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

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:18

At 1118 PM CDT, a severe thunderstorm was located 13 miles north of Marshfield, or 23 miles west of Wausau, moving southeast at 10 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Other locations impacted by the severe thunderstorm include March Rapids, Fenwood, Stratford and Rozellville. Seek shelter inside a well-built structure and stay away from

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:18

At 1018 PM MDT /1118 PM CDT/, a severe thunderstorm was located near Long Valley, or 22 miles south of Kadoka, moving southeast at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of West Central Mellette, North Central Bennett and Southern Jackson Counties.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:19

At 1019 PM MDT /1119 PM CDT/, severe thunderstorms were located along a line from 9 miles east of Midland to 9 miles south of Belvidere, or along a line from 31 miles northeast of Kadoka to 14 miles southeast of Kadoka, moving southeast at 30 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include...
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