Overview
- The National Weather Service extended a tornado watch into parts of central Maryland and Northern Virginia, with the watch set to expire around 8 p.m.
- Tornado warnings were issued for portions of Frederick, Carroll and Howard counties in Maryland until about 7:15 p.m., followed by a separate warning for central Baltimore County and northeastern Baltimore City until 7:45 p.m. as radar indicated rotation near Towson moving east at 50 mph.
- Severe thunderstorm warnings included western Montgomery County, where winds could reach 70 mph, with a broader warning for central Maryland lasting until 11 p.m.
- Meteorologists observed a rotating storm over Frederick County and reported a damaging cell racing east near 50 mph, prompting urgent shelter guidance.
- Thunderstorms caused a ground delay at Reagan National Airport, and forecasters expect lingering showers overnight with temperatures dropping into the 40s and a chance of wet, non-accumulating snow on Thursday.