UPDATE: This alert has been canceled by the National Weather Service as of 1:50 p.m.
The National Weather Service has issued a tornado warning for an area including Reston, to be in effect until 2 p.m.
According to the alert, radar has indicated rotation within an incoming storm:
IMPACT…For those in the direct path of a tornado touchdown,
flying debris will be dangerous to those caught without
shelter. Damage to roofs, siding, and windows may occur.
Mobile homes may be damaged or destroyed. Tree damage is
* This dangerous storm will be near…
Linton Hall around 135 PM EDT.
South Riding around 145 PM EDT.
Centreville, Brambleton, Dulles International Airport, Chantilly
and Arcola around 150 PM EDT.
Broadlands around 155 PM EDT.
Reston, Herndon, Lansdowne, Lowes Island, Ashburn, Sterling, Great
Falls and Countryside around 200 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Catharpin, Garrett Park, Derwood, Clarksburg, Woolsey, Washington
Grove, Belmont, Belleview, Bradley Farms and Kensington.
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Nastiest part of squall line, poss tornado, around Dulles-Sterling headed NE. Seek shelter! pic.twitter.com/xBMAvalOjZ
— Capital Weather Gang (@capitalweather) April 6, 2017
A severe thunderstorm warning until 2 p.m. had previously been issued, as well as a severe thunderstorm watch until 5 p.m.