Wednesday 9/22: Isolated tornadoes and flash flooding possible west of Interstate 95
The Storm Prediction Center has placed a MARGINAL RISK (level 1 of 5) for the Virginia Piedmont and Shenandoah Valley. Some storms may become strong to severe this afternoon with the potential for a few isolated tornadoes. The timeframe to watch for potential severe thunderstorms will be from 11:00 a.m. through about 7:00 p.m. this evening. …