What to KnowA FIRST ALERT was in effect for the Philadelphia region late Monday afternoon into the evening due to storms that brought heavy rain, strong winds, flooding and tornado warnings. The FIRST ALERT was in effect into the evening due to the risk of severe storms. The storm led to tornado war nings in Berks County, Pennsylvania, as well as Sussex County, Delaware. Both warnings later expired. The storms also led to flooding on roads and storm damage throughout the region. Download the NBC10 app and follow the NBC10 First Alert Weather team for the latest updates on Monday’s storm. ...read more read less