Severe thunderstorm warning issued for southern Butler County

Brian C. Rittmeyer
Thursday, Aug. 12, 2021 6:05 p.m. | Thursday, Aug. 12, 2021 6:05 p.m.

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A storm cloud intersects the sky above downtown Greensburg in 2019 as a thunderstorm cell moves through the region.

The National Weather Service has issued a severe thunderstorm warning for southern Butler County that’s in effect until 6:45 p.m. Thursday.

The warning area covers the entire southern half of the county, from Butler south to the Allegheny County line.

The main threats are winds up to 60 mph and penny-sized hail.

Severe Thunderstorm Warning including Butler PA, Fernway PA, Meridian PA until 6:45 PM EDT pic.twitter.com/yT6ZFTrSRN

— NWS Pittsburgh (@NWSPittsburgh) August 12, 2021

A warning covering the northern half of Butler County is active until 6:30 p.m.

A flash flood warning including New Castle, Grove City and Slippery Rock is in effect until 8:45 p.m.