Heavy rains are moving towards the East Coast, raising concerns about flooding in major urban areas including New York and Philadelphia. A series of flood watches and warnings have been issued throughout Pennsylvania, particularly in York County, Lancaster, and the Lehigh Valley, as storms are forecast to bring significant downpours. Emergency services are preparing for potential torrential rain and flash flooding, with severe thunderstorm warnings also affecting areas along the I-95 corridor. The National Weather Service has advised residents to stay alert as conditions remain unpredictable, including the threat of tornadoes in some regions. Efforts are underway to manage flooding risks, with several incidents of stranded motorists reported in areas like Chadds Ford.