What to KnowA First Alert for severe storms was in effect from 3 p.m. until 9 p.m. on Monday, Aug. 10 for all neighborhoods in the Philadelphia region.Severe thunderstorms in the afternoon produced damaging wind and downpours which led to localized flooding.Isolated tornadoes were also possible but none were reported.The storms appeared first in areas to the northwest, Berks County, Lehigh Valley and the western suburbs.The main window of concern was for Philadelphia and then we saw some stronger storms in Delaware and South Jersey Monday evening.Get the latest weather updates by downloading the NBC10 app and following the NBC10 First Alert Weather team. The entire Philadelphia region was under a First Alert on Monday, Aug. 10 as severe thunderstorms moved through. Follow along belong for live updates as we track the storms. Get the latest weather updates by downloading the NBC10 app and following the NBC10 First Alert Weather team. ...read more read less