828
WUUS51 KLWX 172213
SVRLWX
MDC021-027-031-VAC059-107-172300-
/O.NEW.KLWX.SV.W.0366.250817T2213Z-250817T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
613 PM EDT Sun Aug 17 2025

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  West central Howard County in central Maryland...
  Montgomery County in central Maryland...
  Southeastern Frederick County in north central Maryland...
  Northeastern Loudoun County in northern Virginia...
  North central Fairfax County in northern Virginia...

* Until 700 PM EDT.

* At 612 PM EDT, severe thunderstorms were located along a line
  extending from near Ballenger Creek to near Point Of Rocks to near
  Leesburg, moving east at 25 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.

* Locations impacted include...
  Germantown, Rockville, Gaithersburg, Reston, Leesburg, Olney,
  Damascus, Lansdowne, Lowes Island, Poolesville, Aspen Hill,
  Potomac, Ashburn, Montgomery Village, Sterling, North Potomac,
  Redland, Wolf Trap, Great Falls, and Countryside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move
immediately to shelter inside a strong building. Stay away from
windows.

&&

LAT...LON 3927 7695 3912 7709 3897 7731 3913 7764
      3924 7754 3937 7734
TIME...MOT...LOC 2212Z 290DEG 20KT 3933 7735 3922 7747 3915 7757

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Geiger