Immediate

Responsive action SHOULD be taken immediately

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 18:55

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... South Central Grant County in south central North Dakota... Southwestern Sioux County in south central North Dakota... Eastern Adams County in southwestern North Dakota... * Until 845 PM MDT. * At 755 PM MDT, a severe thunderstorm was located 13 miles northeast of North Lemmon, or 34 miles east of Hettinger, moving southeast at 15 mph. HAZARD...Tennis ball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

Ohio Severe Flood Warning | Effective 08/11/2026 18:56

...The Flood Warning is extended for the following rivers in Ohio... Hocking River at Athens affecting Athens County. For the Hocking River...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Hocking River at Athens. * WHEN...From late tonight to Thursday morning. * IMPACTS...At 21.0 feet, South Canaan Road and Township Road 605 in the vicinity of US Route 50 flood. Glen Ebon Road begins to flood. Hockhocking Adena Bikeway near West State Street begins to flood.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 18:57

At 757 PM MDT, a severe thunderstorm was located 6 miles east of Elm Springs, or 41 miles northwest of Philip, moving southeast at 45 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Wall, Union Center, Wasta, Enning, Elm Springs, Creighton and

Kentucky Severe Flash Flood Warning | Effective 08/11/2026 18:59

At 959 PM EDT, 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 08/11/2026 18:33

At 733 PM MDT, a severe thunderstorm was located 14 miles northeast of North Lemmon, or 32 miles east of Hettinger, moving southeast at 30 mph. HAZARD...Golf 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. Locations impacted include... Mainly rural areas of Southwestern Grant, Western Sioux and East Central Adams Counties.

Indiana Severe Severe Thunderstorm Warning | Effective 08/11/2026 18:36

At 936 PM EDT, a severe thunderstorm was located 9 miles southeast of Greencastle, or 28 miles north of Bloomington, moving southeast at 25 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... Greencastle, Cloverdale, Monrovia, Fillmore, Stilesville, Little Point, Eminence, and Belle Union. This includes Interstate 70 between mile markers 39 and 58.

Ohio Severe Flood Warning | Effective 08/11/2026 18:36

...Observed flooding changed to Minor severity and increased in duration for the following rivers in Ohio... Muskingum River At Beverly affecting Morgan and Washington Counties. * WHAT...Minor flooding is occurring. * WHERE...Muskingum River at Beverly. * WHEN...Until further notice. * IMPACTS...At 29.0 feet, Low areas, and farmland, camps, and a few homes are flooded. At 34.0 feet, Several areas near the river are flooded. Homes, farmland, camps, several sections of Route 60, and secondary roads near the river are flooded.

Kentucky Severe Flash Flood Warning | Effective 08/11/2026 18:36

At 936 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.25 inches of rain fell from earlier storms. Additional heavy rainfall amounts up to 1.5 inches are possible in the warned area. This heavy rainfall could allow any ongoing flash flooding to continue or worsen. 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

Arizona Severe Severe Thunderstorm Warning | Effective 08/11/2026 18:42

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Central Cochise County in southeastern Arizona... * Until 745 PM MST. * At 642 PM MST, a severe thunderstorm was located 15 miles southeast of Pearce-Sunsites, moving northwest at 10 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... Pearce-Sunsites and Sunizona.

Nebraska Severe Severe Thunderstorm Warning | Effective 08/11/2026 18:42

At 741 PM MDT, a severe thunderstorm was located 13 miles south of Gordon, moving southeast at 30 mph. THIS IS A DESTRUCTIVE STORM. 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. Locations impacted include... Rock Hill and Highway 27 crossing the Niobrara River. For your protection move to an interior room on the lowest floor of a building.
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