142 
WUUS51 KLWX 101957
SVRLWX
DCC001-MDC003-027-031-033-VAC013-059-107-510-600-610-102045-
/O.NEW.KLWX.SV.W.0393.260810T1957Z-260810T2045Z/

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

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning for...
  The District of Columbia...
  Northwestern Anne Arundel County in central Maryland...
  Southern Howard County in central Maryland...
  Montgomery County in central Maryland...
  Northern Prince Georges County in central Maryland...
  Southeastern Loudoun County in northern Virginia...
  The City of Fairfax in northern Virginia...
  Arlington County in northern Virginia...
  The City of Falls Church in northern Virginia...
  Northern Fairfax County in northern Virginia...
  The City of Alexandria in northern Virginia...

* Until 445 PM EDT.

* At 357 PM EDT, severe thunderstorms with a history of producing 
  wind damage were located along a line extending from Damascus to 
  near Boyds to Broadlands, moving east at 40 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...
  Baltimore, Arlington, Alexandria, Columbia, Germantown, Rockville,
  Bethesda, Gaithersburg, Reston, Bowie, Severn, Annandale, Clinton,
  Olney, Springfield, College Park, Crofton, South Riding, Fort
  Washington, and Herndon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail, damaging wind, and continuous cloud to ground lightning
are 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.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3924 7675 3921 7670 3923 7665 3922 7660
      3922 7657 3921 7658 3920 7655 3921 7653
      3920 7650 3917 7647 3904 7663 3873 7695
      3882 7730 3897 7765 3914 7741 3928 7733
      3931 7726
TIME...MOT...LOC 1957Z 278DEG 33KT 3929 7721 3913 7734 3901 7751 

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

$$

DHOF

067 
WWUS51 KLWX 102024
SVSLWX

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

DCC001-MDC003-027-031-033-VAC013-059-107-510-600-610-102045-
/O.CON.KLWX.SV.W.0393.000000T0000Z-260810T2045Z/
District of Columbia DC-Anne Arundel MD-Howard MD-Montgomery MD-
Prince Georges MD-Loudoun VA-City of Fairfax VA-Arlington VA-
City of Falls Church VA-Fairfax VA-City of Alexandria VA-
424 PM EDT Mon Aug 10 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR THE DISTRICT OF COLUMBIA...NORTHWESTERN ANNE ARUNDEL...SOUTHERN
HOWARD...MONTGOMERY...NORTHERN PRINCE GEORGES...SOUTHEASTERN
LOUDOUN...ARLINGTON...AND NORTHERN FAIRFAX COUNTIES...THE CITY OF
FAIRFAX...THE CITY OF FALLS CHURCH AND THE CITY OF ALEXANDRIA...

At 424 PM EDT, severe thunderstorms with a history of producing wind 
damage were located along a line extending from near Ellicott City 
to Rossmoor to American Legion Bridge, moving east at 40 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...
Baltimore, Arlington, Alexandria, Columbia, Germantown, Rockville,
Bethesda, Gaithersburg, Reston, Bowie, Severn, Annandale, Clinton,
Olney, Springfield, College Park, Crofton, South Riding, Fort
Washington, and Herndon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

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.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3924 7675 3921 7670 3923 7665 3922 7660
      3922 7657 3921 7658 3920 7655 3921 7653
      3920 7650 3917 7647 3904 7663 3873 7695
      3882 7730 3897 7765 3914 7741 3928 7733
      3931 7726
TIME...MOT...LOC 2024Z 278DEG 33KT 3926 7692 3910 7705 3898 7722 

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

$$

DHOF