Headline:
Severe Thunderstorm Warning issued September 13 at 5:56PM EDT until September 13 at 6:15PM EDT by NWS Pittsburgh PA
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
September 13, 2026 - 2:56pm
Expires:
September 13, 2026 - 3:15pm
Description:
At 556 PM EDT, a severe thunderstorm was located near Slippery Rock,
or 9 miles south of Grove City, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Slippery Rock, Prospect, Harrisville, West Liberty, Portersville,
Moraine State Park and Cooper's Lake Campground.
Instruction:
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Area Description:
Butler, PA
Forcast Office:
NWS Pittsburgh PA
Sender:
w-nws.webmaster@noaa.gov