Immediate

Responsive action SHOULD be taken immediately

Arizona Severe Flash Flood Warning | Effective 09/03/2026 15:36

At 336 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Sierra Vista and Fort Huachuca.

Arizona Severe Flash Flood Warning | Effective 09/03/2026 15:37

At 337 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Klondyke.

Pennsylvania Severe Flash Flood Warning | Effective 09/03/2026 15:38

FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Southeastern Allegheny County in southwestern Pennsylvania... Western Westmoreland County in southwestern Pennsylvania... Southwestern Armstrong County in west central Pennsylvania... Southwestern Indiana County in west central Pennsylvania... * Until 945 PM EDT. * At 638 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 0.8 inches of

Pennsylvania Severe Severe Thunderstorm Warning | Effective 09/03/2026 15:40

SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... South Central Allegheny County in southwestern Pennsylvania... Fayette County in southwestern Pennsylvania... Eastern Greene County in southwestern Pennsylvania... Southeastern Washington County in southwestern Pennsylvania... Southwestern Westmoreland County in southwestern Pennsylvania... * Until 730 PM EDT. * At 640 PM EDT, severe thunderstorms were located along a line from

Pennsylvania Extreme Tornado Warning | Effective 09/03/2026 15:42

At 642 PM EDT, a severe thunderstorm capable of producing a tornado was located near Delmont, or 7 miles northeast of Greensburg, moving southeast at 40 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows and vehicles will occur. Tree damage is likely. Locations impacted include... Latrobe, McChesneytown-Loyalhanna, Derry, Delmont, Lawson Heights,

Pennsylvania, West Virginia Severe Flash Flood Warning | Effective 09/03/2026 15:43

At 643 PM EDT, the public and doppler radar reported thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Arizona Severe Flash Flood Warning | Effective 09/03/2026 15:43

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Central Cochise County in southeastern Arizona... * Until 645 PM MST. * At 343 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. 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 Extreme Tornado Warning | Effective 09-03-2026 15:36

TORPBZ The National Weather Service in Pittsburgh has issued a * Tornado Warning for... Central Westmoreland County in southwestern Pennsylvania... * Until 700 PM EDT. * At 636 PM EDT, a severe thunderstorm capable of producing a tornado was located over Delmont, or 9 miles northeast of Jeannette, moving southeast at 45 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage

Pennsylvania Severe Severe Thunderstorm Warning | Effective 09/03/2026 15:13

SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Northwestern Washington County in southwestern Pennsylvania... * Until 645 PM EDT. * At 613 PM EDT, a severe thunderstorm was located 8 miles northeast of Avella, 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...

Ohio Severe Severe Thunderstorm Warning | Effective 09/03/2026 15:17

SVRCLE The National Weather Service in Cleveland has issued a * Severe Thunderstorm Warning for... Portage County in northeastern Ohio... Summit County in northeastern Ohio... Northeastern Wayne County in northeastern Ohio... * Until 730 PM EDT. * At 617 PM EDT, severe thunderstorms were located along a line extending from near Chesterland to near Warrensville Heights to Strongsville, moving east at 45 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated.
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