Immediate

Responsive action SHOULD be taken immediately

Utah Severe Flash Flood Warning | Effective 08/10/2026 11:57

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... Northeastern Garfield County in southern Utah... South Central Wayne County in southern Utah... * Until 400 PM MDT. * At 1257 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.25 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.

Virginia, West Virginia Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:57

SVRRNK The National Weather Service in BLACKSBURG has issued a * Severe Thunderstorm Warning for... The City of Covington in west central Virginia... Alleghany County in west central Virginia... Northwestern Rockbridge County in west central Virginia... Bath County in west central Virginia... Greenbrier County in southeastern West Virginia... Northern Summers County in southeastern West Virginia... Northern Monroe County in southeastern West Virginia... * Until 415 PM EDT.

Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:58

At 258 PM EDT, a severe thunderstorm was located over Cashtown, 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... Chambersburg, Gettysburg, Hampton, Guilford, Carroll Valley, Fayetteville, Bonneauville, Mont Alto, Lake Heritage, Marion, Cashtown, and Orrtanna. This includes Interstate 81 from mile markers 7 to 19.

Maryland Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:58

At 258 PM EDT, a severe thunderstorm was located near Thurmont, moving east at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include... Thurmont, Emmitsburg, Sabillasville, Fort Ritchie, and Graceham.

South Carolina Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:59

At 258 PM EDT, a severe thunderstorm was located over Villages at Sandhill, or near Columbia, moving east at 5 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to trees and powerlines. Locations impacted include... Columbia, Forest Acres, Dentsville, St. Andrews, Arcadia Lakes, Lugoff, Woodfield, Sesquicentennial State Park, Lake Carolina, Villages at Sandhill, Fort Jackson, Columbia International

Maryland, West Virginia Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:30

At 229 PM EDT, a severe thunderstorm was located near Berkeley Springs, or 8 miles northeast of Paw Paw, moving east at 20 mph. THIS IS A DESTRUCTIVE STORM FOR NORTHERN MORGAN COUNTY NEAR BERKELEY SPRINGS. HAZARD...80 mph wind gusts and golf ball size hail. SOURCE...Radar indicated. IMPACT...Expect considerable damage to trees and power lines. Your life is at significant risk if outdoors. In addition to some trees falling into homes, wind damage is possible to roofs, sheds, open garages, and mobile homes.

Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:33

At 232 PM EDT, a severe thunderstorm was located over Spring Grove, moving southeast at 25 mph. HAZARD...Ping pong ball size 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... York, Weigelstown, Spry, Dallastown, Shiloh, East York, Stonybrook-Wilshire, West York, Grantley, Tyler Run-Queens Gate, Manchester, and Hallam.

Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:34

At 233 PM EDT, a severe thunderstorm was located over Cashtown, 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... Chambersburg, Guilford, St. Thomas, Carroll Valley, Fayetteville, Mont Alto, Scotland, Marion, Fort Loudon, Cashtown, Aspers, and Orrtanna. This includes Interstate 81 from mile markers 7 to 25.

South Carolina Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:37

SVRILM The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Southeastern Georgetown County in northeastern South Carolina... * Until 330 PM EDT. * At 237 PM EDT, a severe thunderstorm was located near Winyah Bay Entrance, and is nearly stationary. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is possible. Expect wind damage to trees and power lines. * Locations impacted include...

Virginia, West Virginia Severe Severe Thunderstorm Warning | Effective 08/10/2026 11:40

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Northtern Shenandoah County in northwestern Virginia... Frederick County in northwestern Virginia... The City of Winchester in northwestern Virginia... Southeastern Morgan County in the Panhandle of West Virginia... Northeastern Hardy County in eastern West Virginia... Southern Berkeley County in the Panhandle of West Virginia... Eastern Hampshire County in eastern West Virginia... * Until 345 PM EDT.
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