Immediate

Responsive action SHOULD be taken immediately

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:48

SVRGRB The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... South Central Marinette County in northeastern Wisconsin... Central Oconto County in northeastern Wisconsin... * Until 330 AM CDT. * At 248 AM CDT, a severe thunderstorm was located 10 miles southeast of Bear Paw Scout Camp, or 26 miles northeast of Shawano, moving east at 25 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near...

Indiana Severe Flash Flood Warning | Effective 08/12/2026 00:52

At 352 AM EDT, local law enforcement reported flash flooding ongoing in Henry county, especially within the town of New Castle. Between 1.75 and 3 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to 1.25 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas,

Indiana Severe Flash Flood Warning | Effective 08/12/2026 00:53

At 353 AM EDT, 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 0.25 to 0.75 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Nebraska Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:54

At 253 AM CDT, severe thunderstorms were located along a line extending from 14 miles north of Page to near Chambers to 14 miles south of Amelia, moving southeast at 35 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. These severe thunderstorms will remain over mainly rural areas of southeastern Rock and southeastern Holt Counties, including the

Nebraska Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:55

At 255 AM CDT, severe thunderstorms were located along a line extending from near Page to 7 miles west of Ewing to 10 miles south of Chambers, moving east at 45 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... O'Neill, Ewing, Chambers, Page, Bartlett, Inman, Knievels Corner, Buffalo Flats, Sunfish Lake, Cumminsville, Four Corners, Opportunity,

Indiana Severe Flash Flood Warning | Effective 08/12/2026 00:57

FFWIND The National Weather Service in Indianapolis has issued a * Flash Flood Warning for... Decatur County in central Indiana... * Until 1000 AM EDT Wednesday. * At 357 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.75 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to 1.25 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Minnesota, North Dakota Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:59

SVRFGF The National Weather Service in Grand Forks has issued a * Severe Thunderstorm Warning for... Western Clay County in northwestern Minnesota... Eastern Cass County in southeastern North Dakota... * Until 345 AM CDT. * At 259 AM CDT, a severe thunderstorm was located over Mapleton, or 10 miles west of Fargo, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

Nebraska Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:35

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Southern Rock County in north central Nebraska... Northeastern Loup County in north central Nebraska... Northwestern Garfield County in north central Nebraska... Holt County in north central Nebraska... South central Boyd County in north central Nebraska... * Until 315 AM CDT. * At 235 AM CDT, severe thunderstorms were located along a line extending from 12 miles southwest of Lynch to near Amelia to 15

Nebraska Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:39

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Northeastern Garfield County in north central Nebraska... Southeastern Holt County in north central Nebraska... Wheeler County in north central Nebraska... * Until 330 AM CDT. * At 239 AM CDT, severe thunderstorms were located along a line extending from O'Neill to 7 miles southwest of Chambers, moving east at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated.

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/12/2026 00:39

At 239 AM CDT, a severe thunderstorm was located 7 miles southeast of South Branch, or 14 miles northeast of Shawano, moving east at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will be near... Legend Lake around 240 AM CDT. Gillett around 255 AM CDT. Other locations impacted by the severe thunderstorm include Hayes, Breed, Underhill and Suring. Seek shelter inside a well-built structure and stay away from
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