"TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building," NWS Greenville-Spartanburg said in the warning. "Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris."

Severe thunderstorms are likely Monday ahead of a strong cold front that could also bring widespread damaging winds and tornadoes to central Pennsylvania, according to the National Weather Service. Gusty winds are expected to return late Sunday across Pa.

Most of the Susquehanna Valley is under an enhanced risk for scattered to numerous severe thunderstorms on Monday, making it an Alert Day.

What do you do if a tornado warning is issued in your area?

Powerful thunderstorms are on the way across Pennsylvania, bringing the potential for strong, damaging winds. The National Weather Service has issued High Wind Warnings for most of the state today, extending until this evening in most places and until as late as 8 a.

Photos and videos of the storm quickly surfaced on social media as it moved through the area.

Thousands of people were given minutes to seek shelter on Wednesday afternoon after a tornado warning was issued.

This interactive map, with data starting in January 1950, shows where tornadoes have touched down in Pennsylvania and traces their paths.

The National Weather Service issued a tornado warning for multiple counties in Western Pennsylvania on Wednesday.