Immediate

Responsive action SHOULD be taken immediately

Arizona Severe Flash Flood Warning | Effective 08/29/2026 16:26

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Central Pima County in southeastern Arizona... * Until 730 PM MST. * At 426 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 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.

Florida Severe Severe Thunderstorm Warning | Effective 08/29/2026 16:29

At 729 PM EDT, a severe thunderstorm was located near Columbia, or 9 miles northeast of Ichetucknee Spring, moving northwest at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Lake City and Columbia. For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading

Arizona Severe Flash Flood Warning | Effective 08-29-2026 16:10

At 410 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.7 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. At least one swift water rescue is occurring with this dangerous storm. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges.

Utah Severe Flash Flood Warning | Effective 08-29-2026 16:12

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... San Juan County in southeastern Utah... South Central Kane County in southern Utah... * Until 1015 PM MDT. * At 512 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across portions of Warm Creek, Last Chance Creek, and Croton Canyon down to Lake Powell. Between 0.25 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 16:05

At 605 PM CDT, a severe thunderstorm was located 6 miles northeast of Hoven, moving southeast 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. This severe thunderstorm will be near... Tolstoy around 625 PM CDT. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 16:05

At 505 PM MDT, severe thunderstorms were located along a line from 7 miles east of Oral to 29 miles south of Slim Buttes Housing, or along a line from 17 miles east of Hot Springs to 27 miles south of Pine Ridge, moving northeast at 55 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Automated observations. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Pine Ridge, Oglala, Loneman, Prairie Winds Casino, South Lakeside, Dry Wood Housing, Number 4, Calico, Slim Butte, Slim Buttes

Arizona Severe Flash Flood Warning | Effective 08/29/2026 16:10

At 410 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.7 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. At least one swift water rescue is occurring with this dangerous storm. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges.

Utah Severe Severe Thunderstorm Warning | Effective 08/29/2026 16:10

At 510 PM MDT, a severe thunderstorm was located 9 miles northwest of Lake Powell, or 42 miles south of Escalante, moving east at 30 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... Lake Powell and Dangling Rope Marina. A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not

Utah Severe Flash Flood Warning | Effective 08/29/2026 16:12

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... San Juan County in southeastern Utah... South Central Kane County in southern Utah... * Until 1015 PM MDT. * At 512 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across portions of Warm Creek, Last Chance Creek, and Croton Canyon down to Lake Powell. Between 0.25 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly.

Nebraska Severe Severe Thunderstorm Warning | Effective 08/29/2026 16:12

At 511 PM MDT, severe thunderstorms were located along a line extending from near Slim Buttes Housing to near Hay Springs, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe thunderstorms will remain over mainly rural areas of northeastern Dawes County. For your protection move to an interior room on the lowest floor of a building.
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