The National Weather Service in State College PA has issued a severe thunderstorm Warning for southeastern Franklin County until 4:15 p.m.
According to NWS, radar indicated a severe thunderstorm near Greencastle is moving northeast at around 3:39 p.m., bringing with it winds gusting up to 60 miles an hour with possible half dollar sized hail.
Forecasters said both hail and wind damage are possible as the storm moves through the county.
It could spawn tornadoes. Residents are advised to stay inside and away from windows.