A line of intense thunderstorms (also known as a Derecho) is racing towards us. The greatest threat for storms is between 9-11 PM.
1:34 PM Bob Ryan here. Finally made it home but widespread damage is worst I have seen since the storm of June 14, 1989 in the macrobust. This instense line damage and power outages more widespread. Many days to recover and unfortunately hot and humid through weekend. Stay safe
12:04 PM: The latest doppler shows that line across the Bay, but now it's all about the clean up -- numerous trees down, power outages, flooding, and more. Even though the nastiest of the storms have moved through, we can't stress enough to be safe.
11:52 PM: Local Storm report issued by the National Weather Service in Sterling, VA - 1 Fatality and 3 people injured with a tree that fell on a car in Fairfax, VA. More updates to come.
11:41 PM: Worst of the storms moving across the Chesapeake Bay now and onto the Eastern Shore of Maryland.
11:26 PM: More and more power outages being reported. The bulk of the lightning around Baltimore with the line of storms right over Annapolis, Dunkirk, and moving East at 35 mph.
11:14 PM: Storms have passed through D.C., but the heaviest rain and lightning is now moving through Annapolis and Bowie - approaching the Chesapeake Bay.
10:27 PM: The line with intense lightning from Montgomery county to Fredericksburg - expect widespread power outages and damaging winds over the next hour.
10:11 PM: THE ENTIRE VIEWING AREA, with the exception of Calvert and St. Marys counties, UNDER A SEVERE THUNDERSTORM WARNING UNTIL 11:15PM. Latest lightning image: Over 1600 strokes in our viewing area.
9:50 PM: Storms continuing to push East and still hearing of wind gusts to about 70 mph. Most intense line of thunderstorms stretching from Martinsburg, to Winchester and Front Royal. The storms are approaching Culpeper and Warrenton. Also, our Live Super Doppler is indicating some rotation, so now is the time to get indoors. About another hour and a half until storms in D.C.
9:34 PM: FROM BOB RYAN: Some of these storms are showing some rotation. There may be warnings for possible small whirlwinds. The big danger is the approaching line of thunderstorms with straight line winds up to 70 mph. Lightning and likely power outages within the next two hours in the Washington metro area.
9:28 PM: Winds reported up to 80 mph along I-81 near the Shenandoah Valley. The line continues to move East at around 45 mph towards Skyline Drive. Far Western suburbs expected to see the storms within the next hour.
9:00 PM: Severe T'storm Warning for Frederick, Washington, Jefferson, and extreme Northern Loudoun. Notice this one cell popping up ahead of the main line of severe storms, still West of the Blue Ridge.
- Live Super Doppler 7
8:20 PM: A powerful line of storms that barrelled through Indiana, Ohio, and West Virginia is moving into the viewing area. This particular line of storms is called a Derecho, and fast moving line of thunderstorms that can track for hundreds of miles. Numerous people are without power, as the storms produced damaging wind gusts and dangerous lightning. Take a look at some of the latest storm reports and you can see they are concentrated over Indiana, Ohio, and West Virginia.
- Storm Prediction Center - Latest June 29th storm reports
We continue to track the storms, as they move East. Here's the latest Storm Scan image.
- Latest Storm Scan Capture