Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 240
NWS STORM PREDICTION CENTER NORMAN OK
615 PM EDT WED APR 27 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
MARYLAND
NORTHERN NORTH CAROLINA
CENTRAL AND EASTERN VIRGINIA
EASTERN WEST VIRGINIA
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 615 PM
UNTIL 200 AM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHEAST OF
MARTINSBURG WEST VIRGINIA TO 30 MILES WEST SOUTHWEST OF RALEIGH
NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 233. WATCH NUMBER 233 WILL NOT BE IN EFFECT AFTER
615 PM EDT. CONTINUE...WW 232...WW 234...WW 235...WW 236...WW
237...WW 238...WW 239...
DISCUSSION...TSTMS HAVE RAPIDLY INTENSIFIED THIS EVENING WITHIN A
MOIST AND MODERATELY UNSTABLE ENVIRONMENT WITH MLCAPE VALUES OF
1000-2000 J/KG. DEEP-LAYER VERTICAL SHEAR IS ALREADY SUPPORTIVE OF
SUPERCELLS...AND LOW-LEVEL SHEAR IS FORECAST TO STRENGTHEN THROUGH
THE REMAINDER OF THE EVENING WITH EFFECTIVE SRH VALUES APPROACHING
250-300 M2/S2. AS SUCH...THE POTENTIAL FOR TORNADOES WILL EXIST IN
ADDITION TO DAMAGING WINDS AND HAIL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.
...MEAD
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 240 TORNADO DC MD NC VA WV CW 272215Z - 280600Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
15NE MRB/MARTINSBURG WV/ - 30WSW RDU/RALEIGH NC/
..AVIATION COORDS.. 60NM E/W /37W EMI - 26WSW RDU/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
REPLACES WW 233..MD NC VA WV CW
LAT...LON 39547647 35687802 35688051 39547908
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 240 Status Report Messages:
STATUS REPORT #6 ON WW 240
VALID 280340Z - 280440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SE DCA TO
35 NE CHO TO 30 WSW RDU.
..GRAMS..04/28/11
ATTN...WFO...LWX...RAH...RNK...AKQ...
&&
STATUS REPORT FOR WT 240
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-280440-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC001-003-005-013-021-025-027-031-033-043-510-280440-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY ANNE ARUNDEL BALTIMORE
CARROLL FREDERICK HARFORD
HOWARD MONTGOMERY PRINCE GEORGES
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NCC001-005-009-033-057-067-081-135-151-157-169-171-189-193-197-
280440-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE ALLEGHANY ASHE
CASWELL DAVIDSON FORSYTH
GUILFORD ORANGE RANDOLPH
ROCKINGHAM STOKES SURRY
WATAUGA WILKES YADKIN
$$
VAC003-005-009-011-013-015-017-019-021-023-029-031-035-043-045-
059-061-063-067-069-071-077-079-083-089-091-107-113-121-125-139-
141-143-153-155-157-161-163-165-171-187-197-510-515-530-540-580-
590-600-610-640-660-678-680-683-685-690-750-770-775-790-820-840-
280440-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE ALLEGHANY AMHERST
APPOMATTOX ARLINGTON AUGUSTA
BATH BEDFORD BLAND
BOTETOURT BUCKINGHAM CAMPBELL
CARROLL CLARKE CRAIG
FAIRFAX FAUQUIER FLOYD
FRANKLIN FREDERICK GILES
GRAYSON GREENE HALIFAX
HENRY HIGHLAND LOUDOUN
MADISON MONTGOMERY NELSON
PAGE PATRICK PITTSYLVANIA
PRINCE WILLIAM PULASKI RAPPAHANNOCK
ROANOKE ROCKBRIDGE ROCKINGHAM
SHENANDOAH WARREN WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BEDFORD BUENA VISTA
CHARLOTTESVILLE COVINGTON DANVILLE
FAIRFAX FALLS CHURCH GALAX
HARRISONBURG LEXINGTON LYNCHBURG
MANASSAS MANASSAS PARK MARTINSVILLE
RADFORD ROANOKE SALEM
STAUNTON WAYNESBORO WINCHESTER
$$
WVC003-023-025-027-031-037-055-057-063-065-071-089-280440-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT GREENBRIER
HAMPSHIRE HARDY JEFFERSON
MERCER MINERAL MONROE
MORGAN PENDLETON SUMMERS
$$
ANZ530-531-532-538-539-540-280440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
$$
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.
$$
STATUS REPORT #5 ON WW 240
VALID 280250Z - 280340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 645
..GRAMS..04/28/11
ATTN...WFO...LWX...RAH...RNK...AKQ...
&&
STATUS REPORT FOR WT 240
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-280340-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC001-003-005-009-013-017-021-025-027-031-033-037-043-510-
280340-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY ANNE ARUNDEL BALTIMORE
CALVERT CARROLL CHARLES
FREDERICK HARFORD HOWARD
MONTGOMERY PRINCE GEORGES ST. MARYS
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NCC001-005-009-033-057-063-067-069-077-081-135-145-151-157-169-
171-181-185-189-193-197-280340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE ALLEGHANY ASHE
CASWELL DAVIDSON DURHAM
FORSYTH FRANKLIN GRANVILLE
GUILFORD ORANGE PERSON
RANDOLPH ROCKINGHAM STOKES
SURRY VANCE WARREN
WATAUGA WILKES YADKIN
$$
VAC003-005-007-009-011-013-015-017-019-021-023-025-029-031-033-
035-037-041-043-045-047-049-053-057-059-061-063-065-067-069-071-
075-077-079-081-083-085-087-089-091-097-099-101-107-109-111-113-
117-121-125-135-137-139-141-143-145-147-153-155-157-159-161-163-
165-171-177-179-187-193-197-510-515-530-540-570-580-590-595-600-
610-630-640-660-678-680-683-685-690-730-750-760-770-775-790-820-
840-280340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE ALLEGHANY AMELIA
AMHERST APPOMATTOX ARLINGTON
AUGUSTA BATH BEDFORD
BLAND BOTETOURT BRUNSWICK
BUCKINGHAM CAMPBELL CAROLINE
CARROLL CHARLOTTE CHESTERFIELD
CLARKE CRAIG CULPEPER
CUMBERLAND DINWIDDIE ESSEX
FAIRFAX FAUQUIER FLOYD
FLUVANNA FRANKLIN FREDERICK
GILES GOOCHLAND GRAYSON
GREENE GREENSVILLE HALIFAX
HANOVER HENRICO HENRY
HIGHLAND KING AND QUEEN KING GEORGE
KING WILLIAM LOUDOUN LOUISA
LUNENBURG MADISON MECKLENBURG
MONTGOMERY NELSON NOTTOWAY
ORANGE PAGE PATRICK
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE WILLIAM PULASKI RAPPAHANNOCK
RICHMOND ROANOKE ROCKBRIDGE
ROCKINGHAM SHENANDOAH SPOTSYLVANIA
STAFFORD WARREN WESTMORELAND
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BEDFORD BUENA VISTA
CHARLOTTESVILLE COLONIAL HEIGHTS COVINGTON
DANVILLE EMPORIA FAIRFAX
FALLS CHURCH FREDERICKSBURG GALAX
HARRISONBURG LEXINGTON LYNCHBURG
MANASSAS MANASSAS PARK MARTINSVILLE
PETERSBURG RADFORD RICHMOND
ROANOKE SALEM STAUNTON
WAYNESBORO WINCHESTER
$$
WVC003-023-025-027-031-037-055-057-063-065-071-089-280340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT GREENBRIER
HAMPSHIRE HARDY JEFFERSON
MERCER MINERAL MONROE
MORGAN PENDLETON SUMMERS
$$
ANZ530-531-532-533-534-535-536-537-538-539-540-541-542-543-
280340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 240
VALID 280135Z - 280240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GRAMS..04/28/11
ATTN...WFO...LWX...RAH...RNK...AKQ...
&&
STATUS REPORT FOR WT 240
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-280240-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC001-003-005-009-013-017-021-025-027-031-033-037-043-510-
280240-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY ANNE ARUNDEL BALTIMORE
CALVERT CARROLL CHARLES
FREDERICK HARFORD HOWARD
MONTGOMERY PRINCE GEORGES ST. MARYS
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NCC001-005-009-033-057-063-067-069-077-081-135-145-151-157-169-
171-181-185-189-193-197-280240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE ALLEGHANY ASHE
CASWELL DAVIDSON DURHAM
FORSYTH FRANKLIN GRANVILLE
GUILFORD ORANGE PERSON
RANDOLPH ROCKINGHAM STOKES
SURRY VANCE WARREN
WATAUGA WILKES YADKIN
$$
VAC003-005-007-009-011-013-015-017-019-021-023-025-029-031-033-
035-037-041-043-045-047-049-053-057-059-061-063-065-067-069-071-
075-077-079-081-083-085-087-089-091-097-099-101-107-109-111-113-
117-121-125-135-137-139-141-143-145-147-153-155-157-159-161-163-
165-171-177-179-187-193-197-510-515-530-540-570-580-590-595-600-
610-630-640-660-678-680-683-685-690-730-750-760-770-775-790-820-
840-280240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE ALLEGHANY AMELIA
AMHERST APPOMATTOX ARLINGTON
AUGUSTA BATH BEDFORD
BLAND BOTETOURT BRUNSWICK
BUCKINGHAM CAMPBELL CAROLINE
CARROLL CHARLOTTE CHESTERFIELD
CLARKE CRAIG CULPEPER
CUMBERLAND DINWIDDIE ESSEX
FAIRFAX FAUQUIER FLOYD
FLUVANNA FRANKLIN FREDERICK
GILES GOOCHLAND GRAYSON
GREENE GREENSVILLE HALIFAX
HANOVER HENRICO HENRY
HIGHLAND KING AND QUEEN KING GEORGE
KING WILLIAM LOUDOUN LOUISA
LUNENBURG MADISON MECKLENBURG
MONTGOMERY NELSON NOTTOWAY
ORANGE PAGE PATRICK
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE WILLIAM PULASKI RAPPAHANNOCK
RICHMOND ROANOKE ROCKBRIDGE
ROCKINGHAM SHENANDOAH SPOTSYLVANIA
STAFFORD WARREN WESTMORELAND
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BEDFORD BUENA VISTA
CHARLOTTESVILLE COLONIAL HEIGHTS COVINGTON
DANVILLE EMPORIA FAIRFAX
FALLS CHURCH FREDERICKSBURG GALAX
HARRISONBURG LEXINGTON LYNCHBURG
MANASSAS MANASSAS PARK MARTINSVILLE
PETERSBURG RADFORD RICHMOND
ROANOKE SALEM STAUNTON
WAYNESBORO WINCHESTER
$$
WVC003-023-025-027-031-037-055-057-063-065-071-089-280240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT GREENBRIER
HAMPSHIRE HARDY JEFFERSON
MERCER MINERAL MONROE
MORGAN PENDLETON SUMMERS
$$
ANZ530-531-532-533-534-535-536-537-538-539-540-541-542-543-
280240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER
PATUXENT RIVER TO BROOMES ISLAND MD
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND
$$
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.
$$
STATUS REPORT #3 ON WW 240
VALID 280040Z - 280140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..04/28/11
ATTN...WFO...LWX...RAH...RNK...AKQ...
&&
STATUS REPORT FOR WT 240
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-280140-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC001-003-005-009-013-017-021-025-027-031-033-037-043-510-
280140-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY ANNE ARUNDEL BALTIMORE
CALVERT CARROLL CHARLES
FREDERICK HARFORD HOWARD
MONTGOMERY PRINCE GEORGES ST. MARYS
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NCC001-005-009-033-057-063-067-069-077-081-135-145-151-157-169-
171-181-185-189-193-197-280140-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE ALLEGHANY ASHE
CASWELL DAVIDSON DURHAM
FORSYTH FRANKLIN GRANVILLE
GUILFORD ORANGE PERSON
RANDOLPH ROCKINGHAM STOKES
SURRY VANCE WARREN
WATAUGA WILKES YADKIN
$$
VAC003-005-007-009-011-013-015-017-019-021-023-025-029-031-033-
035-037-041-043-045-047-049-053-057-059-061-063-065-067-069-071-
075-077-079-081-083-085-087-089-091-097-099-101-107-109-111-113-
117-121-125-135-137-139-141-143-145-147-153-155-157-159-161-163-
165-171-177-179-187-193-197-510-515-530-540-570-580-590-595-600-
610-630-640-660-678-680-683-685-690-730-750-760-770-775-790-820-
840-280140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE ALLEGHANY AMELIA
AMHERST APPOMATTOX ARLINGTON
AUGUSTA BATH BEDFORD
BLAND BOTETOURT BRUNSWICK
BUCKINGHAM CAMPBELL CAROLINE
CARROLL CHARLOTTE CHESTERFIELD
CLARKE CRAIG CULPEPER
CUMBERLAND DINWIDDIE ESSEX
FAIRFAX FAUQUIER FLOYD
FLUVANNA FRANKLIN FREDERICK
GILES GOOCHLAND GRAYSON
GREENE GREENSVILLE HALIFAX
HANOVER HENRICO HENRY
HIGHLAND KING AND QUEEN KING GEORGE
KING WILLIAM LOUDOUN LOUISA
LUNENBURG MADISON MECKLENBURG
MONTGOMERY NELSON NOTTOWAY
ORANGE PAGE PATRICK
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE WILLIAM PULASKI RAPPAHANNOCK
RICHMOND ROANOKE ROCKBRIDGE
ROCKINGHAM SHENANDOAH SPOTSYLVANIA
STAFFORD WARREN WESTMORELAND
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BEDFORD BUENA VISTA
CHARLOTTESVILLE COLONIAL HEIGHTS COVINGTON
DANVILLE EMPORIA FAIRFAX
FALLS CHURCH FREDERICKSBURG GALAX
HARRISONBURG LEXINGTON LYNCHBURG
MANASSAS MANASSAS PARK MARTINSVILLE
PETERSBURG RADFORD RICHMOND
ROANOKE SALEM STAUNTON
WAYNESBORO WINCHESTER
$$
WVC003-023-025-027-031-037-055-057-063-065-071-089-280140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT GREENBRIER
HAMPSHIRE HARDY JEFFERSON
MERCER MINERAL MONROE
MORGAN PENDLETON SUMMERS
$$
ANZ530-531-532-533-534-535-536-537-538-539-540-541-542-543-
280140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 240
VALID 272345Z - 280040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..04/27/11
ATTN...WFO...LWX...RAH...RNK...AKQ...
&&
STATUS REPORT FOR WT 240
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-280040-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC001-003-005-009-013-017-021-025-027-031-033-037-043-510-
280040-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY ANNE ARUNDEL BALTIMORE
CALVERT CARROLL CHARLES
FREDERICK HARFORD HOWARD
MONTGOMERY PRINCE GEORGES ST. MARYS
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NCC001-005-009-033-057-063-067-069-077-081-135-145-151-157-169-
171-181-185-189-193-197-280040-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE ALLEGHANY ASHE
CASWELL DAVIDSON DURHAM
FORSYTH FRANKLIN GRANVILLE
GUILFORD ORANGE PERSON
RANDOLPH ROCKINGHAM STOKES
SURRY VANCE WARREN
WATAUGA WILKES YADKIN
$$
VAC003-005-007-009-011-013-015-017-019-021-023-025-029-031-033-
035-037-041-043-045-047-049-053-057-059-061-063-065-067-069-071-
075-077-079-081-083-085-087-089-091-097-099-101-107-109-111-113-
117-121-125-135-137-139-141-143-145-147-153-155-157-159-161-163-
165-171-177-179-187-193-197-510-515-530-540-570-580-590-595-600-
610-630-640-660-678-680-683-685-690-730-750-760-770-775-790-820-
840-280040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE ALLEGHANY AMELIA
AMHERST APPOMATTOX ARLINGTON
AUGUSTA BATH BEDFORD
BLAND BOTETOURT BRUNSWICK
BUCKINGHAM CAMPBELL CAROLINE
CARROLL CHARLOTTE CHESTERFIELD
CLARKE CRAIG CULPEPER
CUMBERLAND DINWIDDIE ESSEX
FAIRFAX FAUQUIER FLOYD
FLUVANNA FRANKLIN FREDERICK
GILES GOOCHLAND GRAYSON
GREENE GREENSVILLE HALIFAX
HANOVER HENRICO HENRY
HIGHLAND KING AND QUEEN KING GEORGE
KING WILLIAM LOUDOUN LOUISA
LUNENBURG MADISON MECKLENBURG
MONTGOMERY NELSON NOTTOWAY
ORANGE PAGE PATRICK
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE WILLIAM PULASKI RAPPAHANNOCK
RICHMOND ROANOKE ROCKBRIDGE
ROCKINGHAM SHENANDOAH SPOTSYLVANIA
STAFFORD WARREN WESTMORELAND
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BEDFORD BUENA VISTA
CHARLOTTESVILLE COLONIAL HEIGHTS COVINGTON
DANVILLE EMPORIA FAIRFAX
FALLS CHURCH FREDERICKSBURG GALAX
HARRISONBURG LEXINGTON LYNCHBURG
MANASSAS MANASSAS PARK MARTINSVILLE
PETERSBURG RADFORD RICHMOND
ROANOKE SALEM STAUNTON
WAYNESBORO WINCHESTER
$$
WVC003-023-025-027-031-037-055-057-063-065-071-089-280040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT GREENBRIER
HAMPSHIRE HARDY JEFFERSON
MERCER MINERAL MONROE
MORGAN PENDLETON SUMMERS
$$
ANZ530-531-532-533-534-535-536-537-538-539-540-541-542-543-
280040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
CHESTER RIVER TO QUEENSTOWN MD
EASTERN BAY
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER
PATUXENT RIVER TO BROOMES ISLAND MD
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND
$$
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.
$$
STATUS REPORT #1 ON WW 240
VALID 272240Z - 272340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..04/27/11
ATTN...WFO...LWX...RAH...RNK...AKQ...
&&
STATUS REPORT FOR WT 240
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-272340-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC001-003-005-009-013-017-021-025-027-031-033-037-043-510-
272340-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY ANNE ARUNDEL BALTIMORE
CALVERT CARROLL CHARLES
FREDERICK HARFORD HOWARD
MONTGOMERY PRINCE GEORGES ST. MARYS
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NCC001-033-057-063-067-069-077-081-135-145-151-157-169-181-185-
272340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE CASWELL DAVIDSON
DURHAM FORSYTH FRANKLIN
GRANVILLE GUILFORD ORANGE
PERSON RANDOLPH ROCKINGHAM
STOKES VANCE WARREN
$$
VAC003-007-009-011-013-015-019-023-025-029-031-033-037-041-043-
047-049-053-057-059-061-065-067-069-075-079-081-083-085-087-089-
091-097-099-101-107-109-111-113-117-125-135-137-139-141-143-145-
147-153-157-159-161-163-165-171-177-179-187-193-510-515-530-540-
570-590-595-600-610-630-660-678-680-683-685-690-730-760-770-775-
790-820-840-272340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE AMELIA AMHERST
APPOMATTOX ARLINGTON AUGUSTA
BEDFORD BOTETOURT BRUNSWICK
BUCKINGHAM CAMPBELL CAROLINE
CHARLOTTE CHESTERFIELD CLARKE
CULPEPER CUMBERLAND DINWIDDIE
ESSEX FAIRFAX FAUQUIER
FLUVANNA FRANKLIN FREDERICK
GOOCHLAND GREENE GREENSVILLE
HALIFAX HANOVER HENRICO
HENRY HIGHLAND KING AND QUEEN
KING GEORGE KING WILLIAM LOUDOUN
LOUISA LUNENBURG MADISON
MECKLENBURG NELSON NOTTOWAY
ORANGE PAGE PATRICK
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE WILLIAM RAPPAHANNOCK RICHMOND
ROANOKE ROCKBRIDGE ROCKINGHAM
SHENANDOAH SPOTSYLVANIA STAFFORD
WARREN WESTMORELAND
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA BEDFORD BUENA VISTA
CHARLOTTESVILLE COLONIAL HEIGHTS DANVILLE
EMPORIA FAIRFAX FALLS CHURCH
FREDERICKSBURG HARRISONBURG LEXINGTON
LYNCHBURG MANASSAS MANASSAS PARK
MARTINSVILLE PETERSBURG RICHMOND
ROANOKE SALEM STAUNTON
WAYNESBORO WINCHESTER
$$
WVC003-023-027-031-037-057-065-071-272340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT HAMPSHIRE
HARDY JEFFERSON MINERAL
MORGAN PENDLETON
$$
ANZ530-531-532-533-534-535-536-537-538-539-540-541-542-543-
272340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
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% (F2-F5 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.