Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 553
NWS Storm Prediction Center Norman OK
240 PM EDT Wed Jul 17 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Delaware
Central and Eastern Maryland
Southern New Jersey
Central and Eastern Virginia
Eastern Panhandle of West Virginia
Coastal Waters
* Effective this Wednesday afternoon and evening from 240 PM
until 1000 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Thunderstorms are intensifying over the mountains of
western Virginia. These storms will track eastward through the
afternoon, posing a risk of locally damaging wind gusts.
The severe thunderstorm watch area is approximately along and 110
statute miles east and west of a line from 45 miles northeast of
Baltimore MD to 10 miles southwest of Richmond VA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 552...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 553
NWS Storm Prediction Center Norman OK
240 PM EDT Wed Jul 17 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Delaware
Central and Eastern Maryland
Southern New Jersey
Central and Eastern Virginia
Eastern Panhandle of West Virginia
Coastal Waters
* Effective this Wednesday afternoon and evening from 240 PM
until 1000 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Thunderstorms are intensifying over the mountains of
western Virginia. These storms will track eastward through the
afternoon, posing a risk of locally damaging wind gusts.
The severe thunderstorm watch area is approximately along and 110
statute miles east and west of a line from 45 miles northeast of
Baltimore MD to 10 miles southwest of Richmond VA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 552...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 553 SEVERE TSTM DC DE MD NJ VA WV CW 171840Z - 180200Z
AXIS..110 STATUTE MILES EAST AND WEST OF LINE..
45NE BWI/BALTIMORE MD/ - 10SW RIC/RICHMOND VA/
..AVIATION COORDS.. 95NM E/W /43ENE EMI - 8SW RIC/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 39627401 37387544 37387944 39627814
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 553 Status Report Messages:
STATUS REPORT #3 ON WW 553
VALID 180005Z - 180200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WSW LYH
TO 25 E LYH TO 30 SW RIC TO 20 NW ILG.
WW 553 WILL BE ALLOWED TO EXPIRE AT 180200Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1675
..GLEASON..07/18/24
ATTN...WFO...LWX...PHI...AKQ...RNK...
&&
STATUS REPORT FOR WS 553
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-180200-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC009-011-015-019-029-035-037-039-041-045-047-180200-
MD
. MARYLAND COUNTIES INCLUDED ARE
CALVERT CAROLINE CECIL
DORCHESTER KENT QUEEN ANNE'S
ST. MARYS SOMERSET TALBOT
WICOMICO WORCESTER
$$
NJC001-009-011-033-180200-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC CAPE MAY CUMBERLAND
SALEM
$$
VAC025-031-036-037-041-053-057-073-083-097-101-103-111-115-117-
119-127-133-135-143-147-149-159-193-570-590-670-730-180200-
VA
. VIRGINIA COUNTIES INCLUDED ARE
BRUNSWICK CAMPBELL CHARLES CITY
CHARLOTTE CHESTERFIELD DINWIDDIE
ESSEX GLOUCESTER HALIFAX
KING AND QUEEN KING WILLIAM LANCASTER
LUNENBURG MATHEWS MECKLENBURG
MIDDLESEX NEW KENT NORTHUMBERLAND
NOTTOWAY PITTSYLVANIA PRINCE EDWARD
PRINCE GEORGE RICHMOND WESTMORELAND
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
COLONIAL HEIGHTS DANVILLE HOPEWELL
PETERSBURG
$$
ANZ430-431-452-453-454-455-533-534-537-539-540-541-542-543-630-
635-650-180200-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER
PATUXENT RIVER TO BROOMES ISLAND MD
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA
RAPPAHANNOCK RIVER FROM URBANNA TO WINDMILL POINT
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 553
VALID 172200Z - 172340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SW LYH TO
15 SE CHO TO 25 WNW DCA TO 25 W BWI TO 35 S CXY.
..HALBERT..07/17/24
ATTN...WFO...LWX...PHI...AKQ...RNK...
&&
STATUS REPORT FOR WS 553
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-172340-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
DCC001-172340-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC003-005-009-011-015-017-019-025-027-029-033-035-037-039-041-
045-047-510-172340-
MD
. MARYLAND COUNTIES INCLUDED ARE
ANNE ARUNDEL BALTIMORE CALVERT
CAROLINE CECIL CHARLES
DORCHESTER HARFORD HOWARD
KENT PRINCE GEORGES QUEEN ANNE'S
ST. MARYS SOMERSET TALBOT
WICOMICO WORCESTER
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NJC001-009-011-033-172340-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC CAPE MAY CUMBERLAND
SALEM
$$
VAC007-011-013-025-029-031-033-036-037-041-049-053-057-059-065-
073-075-083-085-087-097-099-101-103-109-111-115-117-119-127-133-
135-137-143-145-147-149-153-159-177-179-193-510-570-590-600-610-
630-670-683-685-730-760-172340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMELIA APPOMATTOX ARLINGTON
BRUNSWICK BUCKINGHAM CAMPBELL
CAROLINE CHARLES CITY CHARLOTTE
CHESTERFIELD CUMBERLAND DINWIDDIE
ESSEX FAIRFAX FLUVANNA
GLOUCESTER GOOCHLAND HALIFAX
HANOVER HENRICO KING AND QUEEN
KING GEORGE KING WILLIAM LANCASTER
LOUISA LUNENBURG MATHEWS
MECKLENBURG MIDDLESEX NEW KENT
NORTHUMBERLAND NOTTOWAY ORANGE
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE GEORGE PRINCE WILLIAM RICHMOND
SPOTSYLVANIA STAFFORD WESTMORELAND
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA COLONIAL HEIGHTS DANVILLE
FAIRFAX FALLS CHURCH FREDERICKSBURG
HOPEWELL MANASSAS MANASSAS PARK
PETERSBURG RICHMOND
$$
ANZ430-431-452-453-454-455-530-531-532-533-534-535-536-537-538-
539-540-541-542-543-630-635-650-172340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER
PATUXENT RIVER TO BROOMES ISLAND MD
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA
RAPPAHANNOCK RIVER FROM URBANNA TO WINDMILL POINT
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 553
VALID 172010Z - 172140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HALBERT..07/17/24
ATTN...WFO...LWX...PHI...AKQ...RNK...
&&
STATUS REPORT FOR WS 553
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-172140-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
DCC001-172140-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC003-005-009-011-013-015-017-019-021-025-027-029-031-033-035-
037-039-041-045-047-510-172140-
MD
. MARYLAND COUNTIES INCLUDED ARE
ANNE ARUNDEL BALTIMORE CALVERT
CAROLINE CARROLL CECIL
CHARLES DORCHESTER FREDERICK
HARFORD HOWARD KENT
MONTGOMERY PRINCE GEORGES QUEEN ANNE'S
ST. MARYS SOMERSET TALBOT
WICOMICO WORCESTER
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NJC001-009-011-033-172140-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC CAPE MAY CUMBERLAND
SALEM
$$
VAC003-007-009-011-013-015-019-023-029-031-033-036-037-041-043-
047-049-057-059-061-065-073-075-079-083-085-087-097-099-101-103-
107-109-113-115-119-125-127-133-135-137-139-143-145-147-153-157-
159-163-165-171-177-179-187-193-510-530-540-590-600-610-630-660-
678-680-683-685-760-790-820-172140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE AMELIA AMHERST
APPOMATTOX ARLINGTON AUGUSTA
BEDFORD BOTETOURT BUCKINGHAM
CAMPBELL CAROLINE CHARLES CITY
CHARLOTTE CHESTERFIELD CLARKE
CULPEPER CUMBERLAND ESSEX
FAIRFAX FAUQUIER FLUVANNA
GLOUCESTER GOOCHLAND GREENE
HALIFAX HANOVER HENRICO
KING AND QUEEN KING GEORGE KING WILLIAM
LANCASTER LOUDOUN LOUISA
MADISON MATHEWS MIDDLESEX
NELSON NEW KENT NORTHUMBERLAND
NOTTOWAY ORANGE PAGE
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE WILLIAM RAPPAHANNOCK RICHMOND
ROCKBRIDGE ROCKINGHAM SHENANDOAH
SPOTSYLVANIA STAFFORD WARREN
WESTMORELAND
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BUENA VISTA CHARLOTTESVILLE
DANVILLE FAIRFAX FALLS CHURCH
FREDERICKSBURG HARRISONBURG LEXINGTON
LYNCHBURG MANASSAS MANASSAS PARK
RICHMOND STAUNTON WAYNESBORO
$$
WVC037-172140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
JEFFERSON
$$
ANZ430-431-452-453-454-455-530-531-532-533-534-535-536-537-538-
539-540-541-542-543-630-635-650-172140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER
PATUXENT RIVER TO BROOMES ISLAND MD
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA
RAPPAHANNOCK RIVER FROM URBANNA TO WINDMILL POINT
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
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