Immediate

Responsive action SHOULD be taken immediately

Nebraska Tornado Warning Extreme | Effective 05-21-2026 15:44

Public safety alert, emergency alert, and weather alert Description: TORCYS The National Weather Service in Cheyenne has issued a * Tornado Warning for... Northeastern Kimball County in the Panhandle of Nebraska... * Until 530 PM MDT. * At 444 PM MDT, a severe thunderstorm capable of producing a tornado was located near Oliver Reservoir, or 8 miles northwest of Kimball, moving east at 20 mph. HAZARD...Tornado and quarter size hail. SOURCE...Radar indicated rotation.

Colorado Tornado Warning Extreme | Effective 05-21-2026 15:52

Public safety alert, emergency alert, and weather alert Description: TORBOU The National Weather Service in Denver has issued a * Tornado Warning for... North Central Lincoln County in east central Colorado... Southwestern Washington County in northeastern Colorado... * Until 530 PM MDT. * At 452 PM MDT, a severe thunderstorm capable of producing a tornado was located 7 miles south of Last Chance, or 26 miles north of Limon, moving east at 20 mph. HAZARD...Tornado and golf ball size hail.

Mississippi Tornado Warning Extreme | Effective 05-21-2026 14:42

Public safety alert, emergency alert, and weather alert Description: TORLIX The National Weather Service in New Orleans has issued a * Tornado Warning for... Northwestern Harrison County in southern Mississippi... Northeastern Hancock County in southern Mississippi... Southeastern Pearl River County in southern Mississippi... * Until 530 PM CDT. * At 442 PM CDT, severe thunderstorms capable of producing both tornadoes and straight line wind damage were located 12 miles west

Texas Flash Flood Warning Severe | Effective 05-21-2026 14:10

Public safety alert, emergency alert, and weather alert Description: FFWSJT The National Weather Service in San Angelo has issued a * Flash Flood Warning for... Southern Mason County in west central Texas... * Until 715 PM CDT. * At 410 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

California Local Area Emergency Extreme | Effective 05-21-2026 14:00

Public safety alert, emergency alert, and weather alert Description: LASD:05/21/26 2pm: Wildfire 230TH and W Avenue C8. A SHELTER IN PLACE has been issued. Bring all people and pets indoors. Remain indoors with doors and windows closed. Be prepared and follow Law and Fire instructions. Call 911 for emergency assistance. AlertLA.org Instruction:

Texas Flash Flood Warning Severe | Effective 05-21-2026 13:42

Public safety alert, emergency alert, and weather alert Description: FFWSJT The National Weather Service in San Angelo has issued a * Flash Flood Warning for... Northern Kimble County in west central Texas... * Until 645 PM CDT. * At 342 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
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