117 
WUUS51 KLWX 101915
SVRLWX
MDC021-031-VAC107-102015-
/O.NEW.KLWX.SV.W.0386.260810T1915Z-260810T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
315 PM EDT Mon Aug 10 2026

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  Northwestern Montgomery County in central Maryland...
  Southern Frederick County in north central Maryland...
  Loudoun County in northern Virginia...

* Until 415 PM EDT.

* At 315 PM EDT, severe thunderstorms were located along a line
  extending from near Brunswick to near Purcellville to near
  Bluemont, moving east at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  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, Leesburg, Damascus, Broadlands, Lansdowne, Lowes
  Island, Brambleton, Poolesville, Ashburn, Sterling, Ballenger
  Creek, Great Falls, Countryside, Mount Airy, Purcellville,
  Brunswick, Round Hill, Oatlands, Green Valley, and Boyds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3937 7717 3905 7732 3905 7734 3896 7743
      3902 7795 3908 7786 3931 7774 3932 7772
      3932 7769 3934 7767
TIME...MOT...LOC 1915Z 267DEG 21KT 3932 7767 3920 7772 3907 7784 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DHOF

058 
WWUS51 KLWX 101952
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
352 PM EDT Mon Aug 10 2026

MDC021-031-VAC107-102015-
/O.CON.KLWX.SV.W.0386.000000T0000Z-260810T2015Z/
Montgomery MD-Frederick MD-Loudoun VA-
352 PM EDT Mon Aug 10 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHWESTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND...SOUTHERN
FREDERICK COUNTY IN NORTH CENTRAL MARYLAND AND LOUDOUN COUNTIES IN
NORTHERN VIRGINIA...

At 351 PM EDT, severe thunderstorms with a history of producing wind 
damage were located along a line extending from near Ballenger Creek 
to near Poolesville 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, Leesburg, Damascus, Broadlands, Lansdowne, Lowes Island,
Brambleton, Poolesville, Ashburn, Sterling, Ballenger Creek, Great
Falls, Countryside, Mount Airy, Purcellville, Oatlands, Boyds, Green
Valley, Point Of Rocks, and Clarksburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of natures leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3937 7717 3905 7732 3905 7734 3896 7743
      3902 7795 3912 7777 3926 7762 3934 7756
TIME...MOT...LOC 1951Z 267DEG 21KT 3933 7741 3921 7746 3908 7758 

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

$$

DHOF