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Home Return to list Severe Thunderstorm Watch 0540 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2026-08-07 12:22:50
053
WWUS61 KLWX 071722
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 PM EDT FRI AUG 7 2026
DCC001-MDC003-005-013-015-021-025-027-031-033-043-510-VAC013-043-
059-061-069-107-139-153-157-171-187-510-600-610-683-685-840-
WVC003-037-065-080100-
/O.NEW.KLWX.SV.A.0540.260807T1722Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
540 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 11 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
WASHINGTON
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 17 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
IN NORTHWEST VIRGINIA
CITY OF WINCHESTER
CLARKE FREDERICK
PAGE RAPPAHANNOCK
SHENANDOAH WARREN
IN WEST VIRGINIA THIS WATCH INCLUDES 3 COUNTIES
IN PANHANDLE WEST VIRGINIA
BERKELEY JEFFERSON
MORGAN
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALBIN, ALEXANDRIA, ALONZAVILLE, ANDORA, ANNANDALE,
ANNAPOLIS, APPLETON, ARCO, ARLINGTON, ARNOLD, BAKERTON,
BALLENGER CREEK, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE,
BETHEL, BETHESDA, BLAKE, BLOOMERY, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BUCKEYSTOWN, BUCKTON, BURKE, BYNUM, CATONSVILLE,
CEDAR GROVE, CEDARVILLE, CHANTILLY, CHARLES TOWN, CHERRYDALE,
CHESTER GAP, CLARKSVILLE, CLARY, CLINTON, COLLEGE PARK, COLUMBIA,
COMPTON, COUNTRYSIDE, DALE CITY, DULLES INTERNATIONAL AIRPORT,
DUNDALK, EDGEWOOD, ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION,
FAIRVIEW, FALLS CHURCH, FELLS POINT, FOUR CORNERS, FREDERICK,
FRONT ROYAL, GAINESBORO, GAITHERSBURG, GAMBER, GERMANTOWN,
GLEEDSVILLE, GLEN BURNIE, GLEN ECHO, GLENMONT, GREENBELT,
HAGERSTOWN, HALFWAY, HAMBURG, HANCOCK, HARFORD FURNACE,
HAWKINSTOWN, HICKORY, HISTORIC ELLICOTT CITY, HOWELLSVILLE,
INDEPENDENT HILL, KIMBALL, LAKE RIDGE, LANGLEY, LEESBURG,
LUCKETTS, LURAY, MAGNOLIA, MAGNOLIA, MANASSAS, MANASSAS PARK,
MARTINSBURG, MCLEAN, MIDDLEWAY, MILLVILLE, MONTCLAIR, MONTPELIER,
MOUNT CLIFTON, MOUNT JACKSON, OAK GROVE, PARK HEIGHTS,
PARK MILLS, PARKVILLE, PAW PAW, RANDALLSTOWN, RANSON,
REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY, RILEYVILLE,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SHADY GROVE,
SHENANDOAH JUNCTION, SILVER SPRING, SIMPSONVILLE, SKYLAND,
SMITH CROSSROADS, SOUTH GATE, STERLING PARK, STRASBURG,
STRINGTOWN, SUITLAND-SILVER HILL, TANTALLON, TOWSON, TURNBULL,
WARRENTON, WASHINGTON, WESTMINSTER, WINCHESTER, WOODBRIDGE,
WOODLAWN, WOODSTOCK, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.NEW.KLWX.SV.A.0540.260807T1722Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
540 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: New Issued At: 2026-08-07 12:22:50
053
WWUS61 KLWX 071722
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 PM EDT FRI AUG 7 2026
DCC001-MDC003-005-013-015-021-025-027-031-033-043-510-VAC013-043-
059-061-069-107-139-153-157-171-187-510-600-610-683-685-840-
WVC003-037-065-080100-
/O.NEW.KLWX.SV.A.0540.260807T1722Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
540 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 11 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
WASHINGTON
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 17 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
IN NORTHWEST VIRGINIA
CITY OF WINCHESTER
CLARKE FREDERICK
PAGE RAPPAHANNOCK
SHENANDOAH WARREN
IN WEST VIRGINIA THIS WATCH INCLUDES 3 COUNTIES
IN PANHANDLE WEST VIRGINIA
BERKELEY JEFFERSON
MORGAN
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALBIN, ALEXANDRIA, ALONZAVILLE, ANDORA, ANNANDALE,
ANNAPOLIS, APPLETON, ARCO, ARLINGTON, ARNOLD, BAKERTON,
BALLENGER CREEK, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE,
BETHEL, BETHESDA, BLAKE, BLOOMERY, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BUCKEYSTOWN, BUCKTON, BURKE, BYNUM, CATONSVILLE,
CEDAR GROVE, CEDARVILLE, CHANTILLY, CHARLES TOWN, CHERRYDALE,
CHESTER GAP, CLARKSVILLE, CLARY, CLINTON, COLLEGE PARK, COLUMBIA,
COMPTON, COUNTRYSIDE, DALE CITY, DULLES INTERNATIONAL AIRPORT,
DUNDALK, EDGEWOOD, ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION,
FAIRVIEW, FALLS CHURCH, FELLS POINT, FOUR CORNERS, FREDERICK,
FRONT ROYAL, GAINESBORO, GAITHERSBURG, GAMBER, GERMANTOWN,
GLEEDSVILLE, GLEN BURNIE, GLEN ECHO, GLENMONT, GREENBELT,
HAGERSTOWN, HALFWAY, HAMBURG, HANCOCK, HARFORD FURNACE,
HAWKINSTOWN, HICKORY, HISTORIC ELLICOTT CITY, HOWELLSVILLE,
INDEPENDENT HILL, KIMBALL, LAKE RIDGE, LANGLEY, LEESBURG,
LUCKETTS, LURAY, MAGNOLIA, MAGNOLIA, MANASSAS, MANASSAS PARK,
MARTINSBURG, MCLEAN, MIDDLEWAY, MILLVILLE, MONTCLAIR, MONTPELIER,
MOUNT CLIFTON, MOUNT JACKSON, OAK GROVE, PARK HEIGHTS,
PARK MILLS, PARKVILLE, PAW PAW, RANDALLSTOWN, RANSON,
REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY, RILEYVILLE,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SHADY GROVE,
SHENANDOAH JUNCTION, SILVER SPRING, SIMPSONVILLE, SKYLAND,
SMITH CROSSROADS, SOUTH GATE, STERLING PARK, STRASBURG,
STRINGTOWN, SUITLAND-SILVER HILL, TANTALLON, TOWSON, TURNBULL,
WARRENTON, WASHINGTON, WESTMINSTER, WINCHESTER, WOODBRIDGE,
WOODLAWN, WOODSTOCK, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.NEW.KLWX.SV.A.0540.260807T1722Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
540 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 16:18:57
118
WWUS61 KLWX 072118
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
518 PM EDT FRI AUG 7 2026
MDC043-VAC043-069-139-171-187-840-WVC003-037-065-072230-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN MARYLAND THIS CANCELS 1 COUNTY
IN NORTH CENTRAL MARYLAND
WASHINGTON
IN VIRGINIA THIS CANCELS 6 COUNTIES
IN NORTHWEST VIRGINIA
CITY OF WINCHESTER
CLARKE FREDERICK
PAGE SHENANDOAH
WARREN
IN WEST VIRGINIA THIS CANCELS 3 COUNTIES
IN PANHANDLE WEST VIRGINIA
BERKELEY JEFFERSON
MORGAN
THIS INCLUDES THE CITIES OF ALBIN, ALONZAVILLE, ARCO, BAKERTON,
BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE, BLOOMERY,
BUCKTON, CEDAR GROVE, CEDARVILLE, CHARLES TOWN, CLARY, COMPTON,
FAIRVIEW, FRONT ROYAL, GAINESBORO, GLEN ECHO, HAGERSTOWN,
HALFWAY, HAMBURG, HANCOCK, HAWKINSTOWN, HOWELLSVILLE, KIMBALL,
LURAY, MAGNOLIA, MARTINSBURG, MIDDLEWAY, MILLVILLE,
MOUNT CLIFTON, MOUNT JACKSON, PAW PAW, RANSON, RILEYVILLE,
SHADY GROVE, SHENANDOAH JUNCTION, SKYLAND, SMITH CROSSROADS,
STRASBURG, STRINGTOWN, WINCHESTER, AND WOODSTOCK.
$$
DCC001-MDC003-005-013-015-021-025-027-031-033-510-VAC013-059-061-
107-153-157-510-600-610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 10 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 11 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
IN NORTHWEST VIRGINIA
RAPPAHANNOCK
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLENGER CREEK, BALLSTON, BALTIMORE,
BARCROFT, BARKSDALE, BAY VIEW, BETHEL, BETHESDA, BLAKE,
BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BUCKEYSTOWN, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESTER GAP,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE,
DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD,
ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH,
FELLS POINT, FOUR CORNERS, FREDERICK, GAITHERSBURG, GAMBER,
GERMANTOWN, GLEEDSVILLE, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY,
INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEESBURG, LUCKETTS,
MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER,
OAK GROVE, PARK HEIGHTS, PARK MILLS, PARKVILLE, RANDALLSTOWN,
REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY, RIVERCREST, ROSSLYN,
SEVERN, SEVERNA PARK, SILVER SPRING, SIMPSONVILLE, SOUTH GATE,
STERLING PARK, SUITLAND-SILVER HILL, TANTALLON, TOWSON, TURNBULL,
WARRENTON, WASHINGTON, WESTMINSTER, WOODBRIDGE, WOODLAWN,
AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 16:18:57
118
WWUS61 KLWX 072118
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
518 PM EDT FRI AUG 7 2026
MDC043-VAC043-069-139-171-187-840-WVC003-037-065-072230-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN MARYLAND THIS CANCELS 1 COUNTY
IN NORTH CENTRAL MARYLAND
WASHINGTON
IN VIRGINIA THIS CANCELS 6 COUNTIES
IN NORTHWEST VIRGINIA
CITY OF WINCHESTER
CLARKE FREDERICK
PAGE SHENANDOAH
WARREN
IN WEST VIRGINIA THIS CANCELS 3 COUNTIES
IN PANHANDLE WEST VIRGINIA
BERKELEY JEFFERSON
MORGAN
THIS INCLUDES THE CITIES OF ALBIN, ALONZAVILLE, ARCO, BAKERTON,
BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE, BLOOMERY,
BUCKTON, CEDAR GROVE, CEDARVILLE, CHARLES TOWN, CLARY, COMPTON,
FAIRVIEW, FRONT ROYAL, GAINESBORO, GLEN ECHO, HAGERSTOWN,
HALFWAY, HAMBURG, HANCOCK, HAWKINSTOWN, HOWELLSVILLE, KIMBALL,
LURAY, MAGNOLIA, MARTINSBURG, MIDDLEWAY, MILLVILLE,
MOUNT CLIFTON, MOUNT JACKSON, PAW PAW, RANSON, RILEYVILLE,
SHADY GROVE, SHENANDOAH JUNCTION, SKYLAND, SMITH CROSSROADS,
STRASBURG, STRINGTOWN, WINCHESTER, AND WOODSTOCK.
$$
DCC001-MDC003-005-013-015-021-025-027-031-033-510-VAC013-059-061-
107-153-157-510-600-610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 10 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 11 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
IN NORTHWEST VIRGINIA
RAPPAHANNOCK
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLENGER CREEK, BALLSTON, BALTIMORE,
BARCROFT, BARKSDALE, BAY VIEW, BETHEL, BETHESDA, BLAKE,
BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BUCKEYSTOWN, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESTER GAP,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE,
DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD,
ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH,
FELLS POINT, FOUR CORNERS, FREDERICK, GAITHERSBURG, GAMBER,
GERMANTOWN, GLEEDSVILLE, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY,
INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEESBURG, LUCKETTS,
MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER,
OAK GROVE, PARK HEIGHTS, PARK MILLS, PARKVILLE, RANDALLSTOWN,
REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY, RIVERCREST, ROSSLYN,
SEVERN, SEVERNA PARK, SILVER SPRING, SIMPSONVILLE, SOUTH GATE,
STERLING PARK, SUITLAND-SILVER HILL, TANTALLON, TOWSON, TURNBULL,
WARRENTON, WASHINGTON, WESTMINSTER, WOODBRIDGE, WOODLAWN,
AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Cancelled Issued At: 2026-08-07 16:18:57
118
WWUS61 KLWX 072118
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
518 PM EDT FRI AUG 7 2026
MDC043-VAC043-069-139-171-187-840-WVC003-037-065-072230-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN MARYLAND THIS CANCELS 1 COUNTY
IN NORTH CENTRAL MARYLAND
WASHINGTON
IN VIRGINIA THIS CANCELS 6 COUNTIES
IN NORTHWEST VIRGINIA
CITY OF WINCHESTER
CLARKE FREDERICK
PAGE SHENANDOAH
WARREN
IN WEST VIRGINIA THIS CANCELS 3 COUNTIES
IN PANHANDLE WEST VIRGINIA
BERKELEY JEFFERSON
MORGAN
THIS INCLUDES THE CITIES OF ALBIN, ALONZAVILLE, ARCO, BAKERTON,
BENTONVILLE, BERKELEY SPGS, BERRYVILLE, BERRYVILLE, BLOOMERY,
BUCKTON, CEDAR GROVE, CEDARVILLE, CHARLES TOWN, CLARY, COMPTON,
FAIRVIEW, FRONT ROYAL, GAINESBORO, GLEN ECHO, HAGERSTOWN,
HALFWAY, HAMBURG, HANCOCK, HAWKINSTOWN, HOWELLSVILLE, KIMBALL,
LURAY, MAGNOLIA, MARTINSBURG, MIDDLEWAY, MILLVILLE,
MOUNT CLIFTON, MOUNT JACKSON, PAW PAW, RANSON, RILEYVILLE,
SHADY GROVE, SHENANDOAH JUNCTION, SKYLAND, SMITH CROSSROADS,
STRASBURG, STRINGTOWN, WINCHESTER, AND WOODSTOCK.
$$
DCC001-MDC003-005-013-015-021-025-027-031-033-510-VAC013-059-061-
107-153-157-510-600-610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 10 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 11 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
IN NORTHWEST VIRGINIA
RAPPAHANNOCK
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLENGER CREEK, BALLSTON, BALTIMORE,
BARCROFT, BARKSDALE, BAY VIEW, BETHEL, BETHESDA, BLAKE,
BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BUCKEYSTOWN, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESTER GAP,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE,
DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD,
ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH,
FELLS POINT, FOUR CORNERS, FREDERICK, GAITHERSBURG, GAMBER,
GERMANTOWN, GLEEDSVILLE, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY,
INDEPENDENT HILL, LAKE RIDGE, LANGLEY, LEESBURG, LUCKETTS,
MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER,
OAK GROVE, PARK HEIGHTS, PARK MILLS, PARKVILLE, RANDALLSTOWN,
REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY, RIVERCREST, ROSSLYN,
SEVERN, SEVERNA PARK, SILVER SPRING, SIMPSONVILLE, SOUTH GATE,
STERLING PARK, SUITLAND-SILVER HILL, TANTALLON, TOWSON, TURNBULL,
WARRENTON, WASHINGTON, WESTMINSTER, WOODBRIDGE, WOODLAWN,
AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 16:36:28
667
WWUS61 KLWX 072136
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
536 PM EDT FRI AUG 7 2026
MDC013-021-VAC157-072245-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN MARYLAND THIS CANCELS 2 COUNTIES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
IN VIRGINIA THIS CANCELS 1 COUNTY
IN NORTHWEST VIRGINIA
RAPPAHANNOCK
THIS INCLUDES THE CITIES OF BALLENGER CREEK, BUCKEYSTOWN,
CHESTER GAP, ELDERSBURG, FREDERICK, GAMBER, PARK MILLS,
AND WESTMINSTER.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-061-107-153-
510-600-610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 10 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BETHEL, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE,
DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD,
ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FELLS POINT,
FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEEDSVILLE, GLEN BURNIE,
GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY,
HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY,
LEESBURG, LUCKETTS, MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN,
MONTCLAIR, MONTPELIER, OAK GROVE, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, STERLING PARK, SUITLAND-SILVER HILL,
TANTALLON, TOWSON, TURNBULL, WARRENTON, WASHINGTON, WOODBRIDGE,
WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Cancelled Issued At: 2026-08-07 16:36:28
667
WWUS61 KLWX 072136
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
536 PM EDT FRI AUG 7 2026
MDC013-021-VAC157-072245-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN MARYLAND THIS CANCELS 2 COUNTIES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
IN VIRGINIA THIS CANCELS 1 COUNTY
IN NORTHWEST VIRGINIA
RAPPAHANNOCK
THIS INCLUDES THE CITIES OF BALLENGER CREEK, BUCKEYSTOWN,
CHESTER GAP, ELDERSBURG, FREDERICK, GAMBER, PARK MILLS,
AND WESTMINSTER.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-061-107-153-
510-600-610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 10 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BETHEL, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE,
DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD,
ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FELLS POINT,
FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEEDSVILLE, GLEN BURNIE,
GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY,
HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY,
LEESBURG, LUCKETTS, MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN,
MONTCLAIR, MONTPELIER, OAK GROVE, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, STERLING PARK, SUITLAND-SILVER HILL,
TANTALLON, TOWSON, TURNBULL, WARRENTON, WASHINGTON, WOODBRIDGE,
WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 16:36:28
667
WWUS61 KLWX 072136
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
536 PM EDT FRI AUG 7 2026
MDC013-021-VAC157-072245-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN MARYLAND THIS CANCELS 2 COUNTIES
IN NORTH CENTRAL MARYLAND
CARROLL FREDERICK
IN VIRGINIA THIS CANCELS 1 COUNTY
IN NORTHWEST VIRGINIA
RAPPAHANNOCK
THIS INCLUDES THE CITIES OF BALLENGER CREEK, BUCKEYSTOWN,
CHESTER GAP, ELDERSBURG, FREDERICK, GAMBER, PARK MILLS,
AND WESTMINSTER.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-061-107-153-
510-600-610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 10 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX FAUQUIER
LOUDOUN
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, AIRLIE, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BETHEL, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COUNTRYSIDE,
DALE CITY, DULLES INTERNATIONAL AIRPORT, DUNDALK, EDGEWOOD,
ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FELLS POINT,
FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEEDSVILLE, GLEN BURNIE,
GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY,
HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY,
LEESBURG, LUCKETTS, MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN,
MONTCLAIR, MONTPELIER, OAK GROVE, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, STERLING PARK, SUITLAND-SILVER HILL,
TANTALLON, TOWSON, TURNBULL, WARRENTON, WASHINGTON, WOODBRIDGE,
WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 16:48:58
130
WWUS61 KLWX 072148
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
548 PM EDT FRI AUG 7 2026
VAC061-107-072300-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN VIRGINIA THIS CANCELS 2 COUNTIES
IN NORTHERN VIRGINIA
FAUQUIER LOUDOUN
THIS INCLUDES THE CITIES OF AIRLIE, BETHEL, COUNTRYSIDE,
DULLES INTERNATIONAL AIRPORT, GLEEDSVILLE, LEESBURG, LUCKETTS,
OAK GROVE, STERLING PARK, TURNBULL, AND WARRENTON.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-153-510-600-
610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 8 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, DALE CITY, DUNDALK,
EDGEWOOD, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH,
FELLS POINT, FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEN BURNIE,
GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY,
HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY,
MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER,
PARK HEIGHTS, PARKVILLE, RANDALLSTOWN, REAGAN NATIONAL AIRPORT,
RESTON, RIDGEWAY, RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK,
SILVER SPRING, SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL,
TANTALLON, TOWSON, WASHINGTON, WOODBRIDGE, WOODLAWN,
AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Cancelled Issued At: 2026-08-07 16:48:58
130
WWUS61 KLWX 072148
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
548 PM EDT FRI AUG 7 2026
VAC061-107-072300-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN VIRGINIA THIS CANCELS 2 COUNTIES
IN NORTHERN VIRGINIA
FAUQUIER LOUDOUN
THIS INCLUDES THE CITIES OF AIRLIE, BETHEL, COUNTRYSIDE,
DULLES INTERNATIONAL AIRPORT, GLEEDSVILLE, LEESBURG, LUCKETTS,
OAK GROVE, STERLING PARK, TURNBULL, AND WARRENTON.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-153-510-600-
610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 8 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, DALE CITY, DUNDALK,
EDGEWOOD, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH,
FELLS POINT, FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEN BURNIE,
GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY,
HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY,
MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER,
PARK HEIGHTS, PARKVILLE, RANDALLSTOWN, REAGAN NATIONAL AIRPORT,
RESTON, RIDGEWAY, RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK,
SILVER SPRING, SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL,
TANTALLON, TOWSON, WASHINGTON, WOODBRIDGE, WOODLAWN,
AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 16:48:58
130
WWUS61 KLWX 072148
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
548 PM EDT FRI AUG 7 2026
VAC061-107-072300-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN VIRGINIA THIS CANCELS 2 COUNTIES
IN NORTHERN VIRGINIA
FAUQUIER LOUDOUN
THIS INCLUDES THE CITIES OF AIRLIE, BETHEL, COUNTRYSIDE,
DULLES INTERNATIONAL AIRPORT, GLEEDSVILLE, LEESBURG, LUCKETTS,
OAK GROVE, STERLING PARK, TURNBULL, AND WARRENTON.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-153-510-600-
610-683-685-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 8 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
CITY OF MANASSAS
CITY OF MANASSAS PARK
FAIRFAX
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ADEN, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON,
ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE,
BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS,
BRANTWOOD, BURKE, BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE,
CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, DALE CITY, DUNDALK,
EDGEWOOD, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH,
FELLS POINT, FOUR CORNERS, GAITHERSBURG, GERMANTOWN, GLEN BURNIE,
GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY,
HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE RIDGE, LANGLEY,
MAGNOLIA, MANASSAS, MANASSAS PARK, MCLEAN, MONTCLAIR, MONTPELIER,
PARK HEIGHTS, PARKVILLE, RANDALLSTOWN, REAGAN NATIONAL AIRPORT,
RESTON, RIDGEWAY, RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK,
SILVER SPRING, SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL,
TANTALLON, TOWSON, WASHINGTON, WOODBRIDGE, WOODLAWN,
AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 17:22:00
229
WWUS61 KLWX 072221
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
621 PM EDT FRI AUG 7 2026
VAC153-683-685-072330-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN VIRGINIA THIS CANCELS 3 COUNTIES
IN NORTHERN VIRGINIA
CITY OF MANASSAS
CITY OF MANASSAS PARK
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ADEN, DALE CITY, INDEPENDENT HILL,
LAKE RIDGE, MANASSAS, MANASSAS PARK, MONTCLAIR, AND WOODBRIDGE.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-510-600-610-
080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 5 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
FAIRFAX
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARLINGTON,
ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW,
BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CLARKSVILLE, CLINTON,
COLLEGE PARK, COLUMBIA, DUNDALK, EDGEWOOD, ESSEX, FAIRFAX,
FAIRFAX STATION, FALLS CHURCH, FELLS POINT, FOUR CORNERS,
GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, LANGLEY,
MAGNOLIA, MCLEAN, MONTPELIER, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL, TANTALLON,
TOWSON, WASHINGTON, WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Cancelled Issued At: 2026-08-07 17:22:00
229
WWUS61 KLWX 072221
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
621 PM EDT FRI AUG 7 2026
VAC153-683-685-072330-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN VIRGINIA THIS CANCELS 3 COUNTIES
IN NORTHERN VIRGINIA
CITY OF MANASSAS
CITY OF MANASSAS PARK
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ADEN, DALE CITY, INDEPENDENT HILL,
LAKE RIDGE, MANASSAS, MANASSAS PARK, MONTCLAIR, AND WOODBRIDGE.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-510-600-610-
080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 5 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
FAIRFAX
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARLINGTON,
ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW,
BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CLARKSVILLE, CLINTON,
COLLEGE PARK, COLUMBIA, DUNDALK, EDGEWOOD, ESSEX, FAIRFAX,
FAIRFAX STATION, FALLS CHURCH, FELLS POINT, FOUR CORNERS,
GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, LANGLEY,
MAGNOLIA, MCLEAN, MONTPELIER, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL, TANTALLON,
TOWSON, WASHINGTON, WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Continued Issued At: 2026-08-07 17:22:00
229
WWUS61 KLWX 072221
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
621 PM EDT FRI AUG 7 2026
VAC153-683-685-072330-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
IN VIRGINIA THIS CANCELS 3 COUNTIES
IN NORTHERN VIRGINIA
CITY OF MANASSAS
CITY OF MANASSAS PARK
PRINCE WILLIAM
THIS INCLUDES THE CITIES OF ADEN, DALE CITY, INDEPENDENT HILL,
LAKE RIDGE, MANASSAS, MANASSAS PARK, MONTCLAIR, AND WOODBRIDGE.
$$
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-510-600-610-
080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS WATCH INCLUDES 5 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
FAIRFAX
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARLINGTON,
ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW,
BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CLARKSVILLE, CLINTON,
COLLEGE PARK, COLUMBIA, DUNDALK, EDGEWOOD, ESSEX, FAIRFAX,
FAIRFAX STATION, FALLS CHURCH, FELLS POINT, FOUR CORNERS,
GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, LANGLEY,
MAGNOLIA, MCLEAN, MONTPELIER, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL, TANTALLON,
TOWSON, WASHINGTON, WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-080100-
/O.CON.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
SEVERE THUNDERSTORM WATCH 540 REMAINS VALID UNTIL 9 PM EDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Cancelled Issued At: 2026-08-07 17:46:31
064
WWUS61 KLWX 072245
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
645 PM EDT FRI AUG 7 2026
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-510-600-610-
072345-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS CANCELS 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS CANCELS 5 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
FAIRFAX
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARLINGTON,
ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW,
BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CLARKSVILLE, CLINTON,
COLLEGE PARK, COLUMBIA, DUNDALK, EDGEWOOD, ESSEX, FAIRFAX,
FAIRFAX STATION, FALLS CHURCH, FELLS POINT, FOUR CORNERS,
GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, LANGLEY,
MAGNOLIA, MCLEAN, MONTPELIER, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL, TANTALLON,
TOWSON, WASHINGTON, WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-072345-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
Action: Cancelled Issued At: 2026-08-07 17:46:31
064
WWUS61 KLWX 072245
WCNLWX
WATCH COUNTY NOTIFICATION FOR WATCH 540
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
645 PM EDT FRI AUG 7 2026
DCC001-MDC003-005-015-025-027-031-033-510-VAC013-059-510-600-610-
072345-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS CANCELS 8 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
MONTGOMERY
PRINCE GEORGES
IN NORTHEAST MARYLAND
CECIL
IN NORTHERN MARYLAND
BALTIMORE
BALTIMORE CITY
HARFORD
IN VIRGINIA THIS CANCELS 5 COUNTIES
IN NORTHERN VIRGINIA
ARLINGTON
CITY OF ALEXANDRIA
CITY OF FAIRFAX
CITY OF FALLS CHURCH
FAIRFAX
THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN,
ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARLINGTON,
ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW,
BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BURKE,
BYNUM, CATONSVILLE, CHANTILLY, CHERRYDALE, CLARKSVILLE, CLINTON,
COLLEGE PARK, COLUMBIA, DUNDALK, EDGEWOOD, ESSEX, FAIRFAX,
FAIRFAX STATION, FALLS CHURCH, FELLS POINT, FOUR CORNERS,
GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GLENMONT, GREENBELT,
HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, LANGLEY,
MAGNOLIA, MCLEAN, MONTPELIER, PARK HEIGHTS, PARKVILLE,
RANDALLSTOWN, REAGAN NATIONAL AIRPORT, RESTON, RIDGEWAY,
RIVERCREST, ROSSLYN, SEVERN, SEVERNA PARK, SILVER SPRING,
SIMPSONVILLE, SOUTH GATE, SUITLAND-SILVER HILL, TANTALLON,
TOWSON, WASHINGTON, WOODLAWN, AND WOODSTOCK.
$$
ANZ530>532-535-538>540-072345-
/O.CAN.KLWX.SV.A.0540.000000T0000Z-260808T0100Z/
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 540 FOR THE FOLLOWING AREAS
THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
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