A roof or a wall may collapse ... If it does reach the ground, it's a tornado. Pennsylvania averages about 16 tornadoes per year, with the majority of them happening in May, June and July.

MILL RUN, Pa. (AP ... Weather Service in Pittsburgh said an EF-2 tornado with peak winds estimated at 120 mph (193 kilometers) was on the ground for more than two miles (three kilometers ...

and was on the ground for about 3 1/2 miles, according to the NWS release. The tornado touched down near the Inclinator Company at 4:33 a.m. and took off again near the Pennsylvania State Police ...

PENNSYLVANIA ... It is unclear if the second tornado is a reformation of the first, and the National Weather Service will have to conduct an on-the-ground evaluation to determine how strong ...

BUT ENOUGH POWER TO JUST RIP THIS SHED OFF THE GROUND AND THROW THAT ROOF RIGHT OVER THERE IN EAST COCALICO TOWNSHIP, LANCASTER COUNTY. An EF-0 tornado touched down in Pennsylvania on Sunday ...

Union Township, PA ... ground. Dina Lorenzi came to check on her 77-year-old parents. "I was freaking out on my way over here; I heard real strong winds at my house a half a mile away." The ...

The tornado was 75 yards wide and was on the ground for one and a half miles.The ... been confirmed in Lancaster County. MAHANOY CITY, Pa. — The National Weather Service was in Schuylkill ...

As the high winds of a rampaging tornado began ... 71% of people across Pennsylvania were notified of tornados in their area more than five minutes before they touched the ground.