Update at 3:05 p.m. – Arlington is now under a severe thunderstorm warning until 3:45 p.m.
Severe Thunderstorm Warning including Washington DC, Arlington VA, Silver Spring MD until 3:45 PM EDT pic.twitter.com/AySeHmQm1r
— NWS Baltimore-Washington (@NWS_BaltWash) July 1, 2017
More from the National Weather Service:
At 259 PM EDT, a severe thunderstorm was located over Reston, moving east at 35 mph.
HAZARD…60 mph wind gusts.
SOURCE…Radar indicated.
IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.
Earlier: The National Weather Service issued a severe thunderstorm watch for Arlington County, in effect until 9 p.m. tonight.
A severe thunderstorm watch has been issued for parts of DE, DC, MD, NJ, PA, VA until 9 PM EDT pic.twitter.com/x2iwMd6Gec
— NWS Baltimore-Washington (@NWS_BaltWash) July 1, 2017
The watch spreads across an area covering six states on the East Coast. NWS warns of isolated hailstones the size of ping pong balls, wind gusts up to 70 mph and frequent lightning.
https://twitter.com/somaratheodore/status/881205350757797889