Severe · Severe Thunderstorm WarningThis alert has expired. It is kept for reference.
Severe Thunderstorm Warning issued September 3 at 5:01PM EDT until September 3
Affecting Butler, PA; Clarion, PA; Lawrence, PA; Mercer, PA; Venango, PA
In effect until: Sep 3, 2026, 9:30 PM
Butler, PA; Clarion, PA; Lawrence, PA; Mercer, PA; Venango, PA
Confirmed across 5 counties in PA; expires 9:30 PM.
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.
Read the original bulletin (official text)
At 501 PM EDT, severe thunderstorms were located along a line from 8 miles south of Oil City to 6 miles east of New Castle, moving east at 30 mph. HAZARD...70 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... New Castle, Grove City, Slippery Rock, New Wilmington, Oakwood, New Castle Northwest, Harrisville, Plain Grove Township, Emlenton, Clintonville, West Liberty, Eau Claire, Harlansburg, Kennerdell, Barkeyville, West Sunbury, Volant, Cherry Valley and Boyers.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™