Pennsylvania Severe Severe Thunderstorm Warning | Effective 09/03/2026 13:55

Headline: 
Severe Thunderstorm Warning issued September 3 at 4:55PM EDT until September 3 at 5:30PM EDT by NWS Pittsburgh PA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 3, 2026 - 1:55pm
Expires: 
September 3, 2026 - 2:30pm
Description: 
SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Southeastern Mercer County in northwestern Pennsylvania... Northern Butler County in west central Pennsylvania... Central Lawrence County in western Pennsylvania... * Until 530 PM EDT. * At 455 PM EDT, severe thunderstorms were located along a line from 6 miles southwest of Grove City to over New Castle, moving east at 30 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... New Castle, Grove City, Shanor-Northvue, Slippery Rock, New Wilmington, Oakwood, New Castle Northwest, Prospect, Plain Grove Township, South New Castle, West Liberty, Harlansburg, Portersville, West Sunbury, Volant, Cooper's Lake Campground, Rose Point Park, McConnells Mill and Moraine State Park.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing widespread damaging winds and dangerous hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Area Description: 
Butler, PA; Lawrence, PA; Mercer, PA
Forcast Office: 
NWS Pittsburgh PA
Sender: 
w-nws.webmaster@noaa.gov