Tornado Watch in Effect for Montgomery County, Surrounding Areas

The National Weather Service has issued a Tornado Watch for Montgomery, Bucks, Chester, Delaware and Philadelphia counties.

The Tornado Watch is in effect until 4 p.m. this evening.

According to the National Weather Service:

• Tornado     Watches are issued by the Storm Prediction Center for counties where     tornadoes may occur. The watch area is typically large, covering numerous     counties or even states.
• Tornado     Warnings are issued by your local forecast office.     Warnings typically encompass a     much smaller area (around the     size of a city or small county) that may be impacted by a tornado     identified by a forecaster on radar or by a trained spotter/law     enforcement who is watching the storm.

See also:

Photos: Powerful Storms Cause Damage Across North Penn Area

Powerful Storms Blow Roof Off of Stanbridge Apartments in Lansdale

Storms and Wind Damage Homes, Vehicles Across North Penn Area

Tornado Watch Issued for Montgomery County

Montco Mommy: Blame It On The Rain