Immediate

Responsive action SHOULD be taken immediately

Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:10

At 610 PM MDT, a severe thunderstorm was located near Calico, or near Pine Ridge, moving southeast at 35 mph. THIS IS A DESTRUCTIVE STORM FOR PINE RIDGE. 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... Pine Ridge, Calico, Number 4 and Wolf Creek Housing. Seek shelter now inside an interior room on the lowest floor of a

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:10

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... East Central Billings County in southwestern North Dakota... Southwestern Dunn County in southwestern North Dakota... Northwestern Stark County in southwestern North Dakota... * Until 715 PM MDT. * At 610 PM MDT, a severe thunderstorm was located 9 miles north of South Heart, or 13 miles northwest of Dickinson, moving east at 25 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

Arizona Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:10

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Southeastern Cochise County in southeastern Arizona... * Until 600 PM MST. * At 510 PM MST, a severe thunderstorm was located 11 miles northeast of Bisbee-Douglas Airport, moving north 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... Elfrida, McNeal and Rucker Canyon.

South Carolina Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:11

SVRGSP The National Weather Service in Greenville-Spartanburg has issued a * Severe Thunderstorm Warning for... Northeastern Laurens County in Upstate South Carolina... Southern Spartanburg County in Upstate South Carolina... Western Union County in Upstate South Carolina... * Until 900 PM EDT. * At 811 PM EDT, a severe thunderstorm was located 14 miles south of Spartanburg, or near Woodruff, moving southeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:13

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southeastern Billings County in southwestern North Dakota... Northwestern Hettinger County in southwestern North Dakota... Northeastern Slope County in southwestern North Dakota... Southwestern Stark County in southwestern North Dakota... * Until 715 PM MDT. * At 613 PM MDT, a severe thunderstorm was located 12 miles northeast of Amidon, or 26 miles southwest of Dickinson, moving southeast at 25 mph.

Nebraska Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:13

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... West central Cherry County in north central Nebraska... Northeastern Sheridan County in the Panhandle of Nebraska... * Until 715 PM MDT. * At 612 PM MDT, a severe thunderstorm was located over Wolf Creek Housing, or near Pine Ridge, moving southeast at 40 mph. THIS IS A DESTRUCTIVE STORM FOR CLINTON AND GORDON. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

Kentucky Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:14

SVRLMK The National Weather Service in Louisville has issued a * Severe Thunderstorm Warning for... Northeastern Cumberland County in south central Kentucky... Southwestern Adair County in south central Kentucky... * Until 800 PM CDT. * At 714 PM CDT, a severe thunderstorm was located 7 miles southwest of Columbia, moving southeast 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.

Arizona Severe Flash Flood Warning | Effective 08/11/2026 17:14

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... East Central Greenlee County in southeastern Arizona... * Until 815 PM MST. * At 514 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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.

North Dakota Severe Severe Thunderstorm Warning | Effective 08-11-2026 16:58

At 557 PM MDT, a severe thunderstorm was located 6 miles southwest of Amidon, or 14 miles north of Bowman, moving east at 20 mph. THIS IS A DESTRUCTIVE STORM FOR PORTIONS OF CENTRAL SLOPE COUNTY. 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... Amidon. For your protection move to an interior room on the lowest floor of a building.
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