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Home Return to list Severe Thunderstorm Warning 0392 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2026-08-10 14:55:54
108
WUUS51 KLWX 101955
SVRLWX
MDC005-013-021-025-027-031-510-102045-
/O.NEW.KLWX.SV.W.0392.260810T1955Z-260810T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
355 PM EDT Mon Aug 10 2026
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for...
Carroll County in north central Maryland...
Baltimore City in northern Maryland...
Howard County in central Maryland...
North central Montgomery County in central Maryland...
Western Harford County in northern Maryland...
Southeastern Frederick County in north central Maryland...
Baltimore County in northern Maryland...
* Until 445 PM EDT.
* At 355 PM EDT, severe thunderstorms with a history of producing
wind damage were located along a line extending from Manchester to
near Gamber to near Damascus, moving east at 45 mph.
HAZARD...70 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, Columbia, Pikesville, Middle River, Cockeysville,
Westminster, Elkridge, Damascus, Millers Island, North Point State
Park, Sparrows Point, Back River, Historic Ellicott City, Ellicott
City, Dundalk, Towson, Bel Air South, Catonsville, Essex, and
Woodlawn.
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 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3928 7732 3947 7720 3972 7707
TIME...MOT...LOC 1955Z 269DEG 38KT 3966 7689 3946 7701 3931 7717
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
DHOF
Action: Cancelled Issued At: 2026-08-10 15:22:55
991
WWUS51 KLWX 102020
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
420 PM EDT Mon Aug 10 2026
MDC021-102030-
/O.CAN.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Frederick MD-
420 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FREDERICK COUNTY
IN NORTH CENTRAL MARYLAND IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and north central Maryland.
&&
LAT...LON 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3927 7723 3950 7706 3972 7681
TIME...MOT...LOC 2020Z 269DEG 38KT 3966 7659 3946 7671 3931 7687
$$
MDC005-013-025-027-031-510-102045-
/O.CON.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Carroll MD-Baltimore City MD-Howard MD-Montgomery MD-Harford MD-
Baltimore MD-
420 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EASTERN CARROLL...HOWARD...NORTH CENTRAL MONTGOMERY...WESTERN
HARFORD AND BALTIMORE COUNTIES AND BALTIMORE CITY...
At 420 PM EDT, severe thunderstorms were located along a line
extending from 6 miles south of Stewartstown to near Mays Chapel to
near Ellicott City, moving east at 45 mph.
HAZARD...70 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, Columbia, Pikesville, Middle River, Cockeysville,
Westminster, Elkridge, Damascus, Millers Island, North Point State
Park, Sparrows Point, Back River, Historic Ellicott City, Ellicott
City, Dundalk, Towson, Bel Air South, Catonsville, Essex, and
Woodlawn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
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 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3927 7723 3950 7706 3972 7681
TIME...MOT...LOC 2020Z 269DEG 38KT 3966 7659 3946 7671 3931 7687
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
DHOF
Action: Continued Issued At: 2026-08-10 15:22:55
991
WWUS51 KLWX 102020
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
420 PM EDT Mon Aug 10 2026
MDC021-102030-
/O.CAN.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Frederick MD-
420 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FREDERICK COUNTY
IN NORTH CENTRAL MARYLAND IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and north central Maryland.
&&
LAT...LON 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3927 7723 3950 7706 3972 7681
TIME...MOT...LOC 2020Z 269DEG 38KT 3966 7659 3946 7671 3931 7687
$$
MDC005-013-025-027-031-510-102045-
/O.CON.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Carroll MD-Baltimore City MD-Howard MD-Montgomery MD-Harford MD-
Baltimore MD-
420 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EASTERN CARROLL...HOWARD...NORTH CENTRAL MONTGOMERY...WESTERN
HARFORD AND BALTIMORE COUNTIES AND BALTIMORE CITY...
At 420 PM EDT, severe thunderstorms were located along a line
extending from 6 miles south of Stewartstown to near Mays Chapel to
near Ellicott City, moving east at 45 mph.
HAZARD...70 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, Columbia, Pikesville, Middle River, Cockeysville,
Westminster, Elkridge, Damascus, Millers Island, North Point State
Park, Sparrows Point, Back River, Historic Ellicott City, Ellicott
City, Dundalk, Towson, Bel Air South, Catonsville, Essex, and
Woodlawn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
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 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3927 7723 3950 7706 3972 7681
TIME...MOT...LOC 2020Z 269DEG 38KT 3966 7659 3946 7671 3931 7687
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
DHOF
Action: Continued Issued At: 2026-08-10 15:41:25
465
WWUS51 KLWX 102038
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
438 PM EDT Mon Aug 10 2026
MDC013-031-102048-
/O.CAN.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Carroll MD-Montgomery MD-
438 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CARROLL AND NORTH
CENTRAL MONTGOMERY COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central and northern Maryland.
&&
LAT...LON 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3923 7684 3945 7671 3972 7651
TIME...MOT...LOC 2038Z 270DEG 38KT 3964 7644 3944 7656 3929 7672
$$
MDC005-025-027-510-102045-
/O.CON.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Baltimore City MD-Howard MD-Harford MD-Baltimore MD-
438 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EAST CENTRAL HOWARD...WESTERN HARFORD AND SOUTHEASTERN BALTIMORE
COUNTIES AND BALTIMORE CITY...
At 438 PM EDT, severe thunderstorms were located along a line
extending from near Jarrettsville to Hampton to Woodlawn, moving east
at 45 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, Columbia, Pikesville, Middle River, Cockeysville,
Elkridge, Millers Island, North Point State Park, Sparrows Point,
Back River, Historic Ellicott City, Ellicott City, Dundalk, Towson,
Bel Air South, Catonsville, Essex, Woodlawn, Randallstown, and
Parkville.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3923 7684 3945 7671 3972 7651
TIME...MOT...LOC 2038Z 270DEG 38KT 3964 7644 3944 7656 3929 7672
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
DHOF
Action: Cancelled Issued At: 2026-08-10 15:41:25
465
WWUS51 KLWX 102038
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
438 PM EDT Mon Aug 10 2026
MDC013-031-102048-
/O.CAN.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Carroll MD-Montgomery MD-
438 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CARROLL AND NORTH
CENTRAL MONTGOMERY COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central and northern Maryland.
&&
LAT...LON 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3923 7684 3945 7671 3972 7651
TIME...MOT...LOC 2038Z 270DEG 38KT 3964 7644 3944 7656 3929 7672
$$
MDC005-025-027-510-102045-
/O.CON.KLWX.SV.W.0392.000000T0000Z-260810T2045Z/
Baltimore City MD-Howard MD-Harford MD-Baltimore MD-
438 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EAST CENTRAL HOWARD...WESTERN HARFORD AND SOUTHEASTERN BALTIMORE
COUNTIES AND BALTIMORE CITY...
At 438 PM EDT, severe thunderstorms were located along a line
extending from near Jarrettsville to Hampton to Woodlawn, moving east
at 45 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, Columbia, Pikesville, Middle River, Cockeysville,
Elkridge, Millers Island, North Point State Park, Sparrows Point,
Back River, Historic Ellicott City, Ellicott City, Dundalk, Towson,
Bel Air South, Catonsville, Essex, Woodlawn, Randallstown, and
Parkville.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3972 7626 3936 7630 3918 7644 3920 7650
3919 7649 3919 7653 3921 7654 3920 7656
3924 7662 3922 7663 3923 7667 3921 7671
3923 7684 3945 7671 3972 7651
TIME...MOT...LOC 2038Z 270DEG 38KT 3964 7644 3944 7656 3929 7672
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
DHOF
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