A possible tornado as well as heavy rain, lightning and wind slammed parts of Pennsylvania Sunday night.
A Tornado Warning was in effect for eastern Berks County until 9 p.m. Sunday.
A tornado warning means thunderstorms that can produce tornadoes are imminent or occurring.
NBC10 also obtained video of a possible tornado in Denver, Lancaster County, Pennsylvania. The National Weather Service has not yet confirmed if it was a tornado however.
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A First Alert was also in effect for the Lehigh Valley, Berks County and the Pennsylvania suburbs until midnight due to severe storms that produced heavy rain, lightning, strong winds and hail.
There were several reports of storm damage throughout the region.
Despite sunny conditions early, areas of strong-to-isolated severe storms developed later in the day as warm air lifted across the greater Philadelphia region.
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For northern neighborhoods, pockets of heavy rain and storms developed along the northernmost parts of the region first.
While Philadelphia, South Jersey, and Delaware also saw showers or scattered thunderstorms Sunday evening, they weren't as severe.
After midnight, the storms fizzled and slid eastward out of the Mid-Atlantic.
Monday will nearly repeat Sunday, with temperatures rising into the upper 80s, high humidity, and afternoon showers and storms likely.
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