Immediate

Responsive action SHOULD be taken immediately

Iowa Severe Thunderstorm Warning Severe | Effective 05-15-2026 17:36

Public safety alert, emergency alert, and weather alert Description: At 735 PM CDT, a severe thunderstorm was located near Kanawha, or 11 miles southwest of Garner, moving east at 20 mph. THIS IS A DESTRUCTIVE STORM FOR HANCOCK, WRIGHT, FRANKLIN, AND CERRO GORDO COUNTIES. 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.

Iowa Severe Thunderstorm Warning Severe | Effective 05-15-2026 17:44

Public safety alert, emergency alert, and weather alert Description: At 743 PM CDT, a severe thunderstorm was located over Clear Lake State Park, or 7 miles west of Mason City, moving east at 35 mph. THIS IS A DESTRUCTIVE STORM FOR Mason City. 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...

Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:27

SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northwestern Decatur County in south central Iowa... Madison County in south central Iowa... Union County in south central Iowa... Northern Ringgold County in south central Iowa... Eastern Adams County in southwestern Iowa... Western Clarke County in south central Iowa... Southern Adair County in southwestern Iowa... * Until 830 PM CDT. * At 726 PM CDT, severe thunderstorms were located along a line

Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:31

SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northern Webster County in central Iowa... Southeastern Pocahontas County in northwestern Iowa... Southern Humboldt County in north central Iowa... * Until 815 PM CDT. * At 731 PM CDT, a severe thunderstorm was located near Pioneer, or 14 miles southeast of Pocahontas, 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

Oklahoma, Texas Severe Thunderstorm Warning | Effective 05/15/2026 17:32

SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Western Jackson County in southwestern Oklahoma... Southern Harmon County in southwestern Oklahoma... Southeastern Greer County in southwestern Oklahoma... Northwestern Foard County in northern Texas... Western Hardeman County in northern Texas... * Until 815 PM CDT. * At 732 PM CDT, severe thunderstorms were located along a line extending from 9 miles southwest of Hollis to 6 miles northwest of

Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:36

SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northern Sac County in west central Iowa... * Until 800 PM CDT. * At 736 PM CDT, a severe thunderstorm was located near Schaller, or 8 miles south of Storm Lake, moving east 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. * Locations impacted include... Sac City, Schaller, Early, and Nemaha.

Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:36

At 735 PM CDT, a severe thunderstorm was located near Kanawha, or 11 miles southwest of Garner, moving east at 20 mph. THIS IS A DESTRUCTIVE STORM FOR HANCOCK, WRIGHT, FRANKLIN, AND CERRO GORDO COUNTIES. 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... Hampton, Belmond, Sheffield, Kanawha, Latimer, Thornton, Coulter,

Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:38

At 738 PM CDT, a severe thunderstorm was located near Lu Verne, or 9 miles southeast of Algona, moving northeast at 40 mph. HAZARD...Two inch 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... Algona, Britt, Eagle Lake, Titonka, Wesley, Livermore, Corwith, Lu Verne, Crystal Lake, Woden, Duncan, St. Joseph, Hayfield, St.

Hawaii Flash Flood Warning | Effective 05/15/2026 17:39

At 239 PM HST, radar and automated rain gauges indicated thunderstorms with violent rain showers of 2 to 4 inches per hour, in a 5 mile wide band extending across the island from just south of Nanakuli on the leeward side, to Waipau, Waikele and Pearl City, then over the Koolau to the windward side near Waikane, Ahuimanu, and Heeia. Several stream gauges are showing rapid rises, and flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges.
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