Immediate

Responsive action SHOULD be taken immediately

Arizona Severe Severe Thunderstorm Warning | Effective 08/27/2026 18:19

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Eastern Pima County in southeastern Arizona... * Until 645 PM MST. * At 619 PM MST, a severe thunderstorm was located near Tucson Estates, 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... Drexel Heights, Three Points, Tucson Estates, Valencia West and

New York Severe Flash Flood Warning | Effective 08/27/2026 18:19

FFWBGM The National Weather Service in Binghamton has issued a * Flash Flood Warning for... Northwestern Delaware County in central New York... Southeastern Otsego County in central New York... * Until 1215 AM EDT. * At 919 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. 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,

Pennsylvania Severe Flash Flood Warning | Effective 08/27/2026 18:21

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... West Central Berks County in eastern Pennsylvania... * Until 115 AM EDT. * At 921 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Nebraska Severe Severe Thunderstorm Warning | Effective 08/27/2026 18:22

At 822 PM CDT/722 PM MDT/, a severe thunderstorm was located 11 miles southeast of Arthur, moving south 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... Keystone, Kingsley Dam, Big Bald Hill, Broganville, and Bucktail Lake. This includes Highway 61 near mile marker 95. For your protection move to an interior room on the lowest floor of a building.

Arizona Severe Severe Thunderstorm Warning | Effective 08/27/2026 18:22

At 622 PM MST, a severe thunderstorm was located over Saguaro National Park West, moving west 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... Tucson, Drexel Heights, Flowing Wells, Tucson Mountain Park, Saguaro National Park West and Tucson Estates. This includes the following highways... Route 86 between mile markers 165 and 167. Interstate 10 between mile

Nebraska Severe Severe Thunderstorm Warning | Effective 08/27/2026 18:23

SVRGID The National Weather Service in Hastings has issued a * Severe Thunderstorm Warning for... Western Dawson County in south central Nebraska... * Until 900 PM CDT. * At 822 PM CDT, severe thunderstorms were located along a line extending from near Arnold to 12 miles north of Brady to near Lake Maloney State Recreation Area, moving south at 45 mph. THESE ARE DESTRUCTIVE STORMS FOR WESTERN DAWSON COUNTY INCLUDING THE GOTHENBURG AREA. HAZARD...80 mph wind gusts and penny size hail. SOURCE...Automated Weather Station.

Colorado Severe Flash Flood Warning | Effective 08/27/2026 18:23

At 723 PM MDT, Doppler radar indicated that the rain has ended over the Walsenburg area. However, high water and ponding of water is still likely ongoing in and around the Walsenburg region. Do not drive where water covers the road. Obey and roadway closures. 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.

Montana Severe Severe Thunderstorm Warning | Effective 08/27/2026 18:25

At 725 PM MDT, severe thunderstorms were located along a line extending from 6 miles north of Big Sandy to 17 miles west of Winifred, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Big Sandy, Azure, Parker School, Agency, St. Pierre, Sangrey, Boneau, Box Elder, Rocky Boy, Cleveland, Lloyd, Judith Landing, and Iliad. For your protection move to an interior room on the lowest floor of a building.

Arizona Severe Flash Flood Warning | Effective 08/27/2026 18:25

At 625 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.7 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... South Tucson.

Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/27/2026 18:01

At 900 PM EDT, a severe thunderstorm was located near Pine Grove, or 7 miles north of Myerstown, moving east at 10 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. This severe thunderstorm will remain over mainly rural areas of west central Berks County. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to
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