Pennsylvania Severe Thunderstorm Warning - Severe | Effective 06/14/2026 14:40

Headline: 
Severe Thunderstorm Warning issued June 14 at 5:40PM EDT until June 14 at 6:00PM EDT by NWS Pittsburgh PA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 14, 2026 - 2:40pm
Expires: 
June 14, 2026 - 3:00pm
Description: 
At 540 PM EDT, severe thunderstorms were located along a line from 10 miles southwest of Knox to over New Brighton, or along a line from 10 miles southwest of Knox to near Beaver Falls, moving east at 50 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... Grove City, Slippery Rock, Prospect, Harrisville, Plain Grove Township, Emlenton, Clintonville, West Liberty, Eau Claire, Harlansburg, Portersville, Barkeyville, West Sunbury, Cherry Valley, Boyers, Moraine State Park, Cooper's Lake Campground, McConnells Mill and Rose Point Park.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large 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; Venango, PA
Forcast Office: 
NWS Pittsburgh PA