Nelson County, Virginia
*CANCELLED * CANCELLED * CANCELLED * CANCELLED *
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 625
NWS STORM PREDICTION CENTER NORMAN OK
210 PM EDT SUN JUL 26 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
DELAWARE
MUCH OF MARYLAND
SOUTHERN NEW JERSEY
CENTRAL AND EASTERN VIRGINIA
COASTAL WATERS
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 210 PM UNTIL 900
PM EDT.
HAIL TO 1.5 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70
MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST
SOUTHEAST OF SOUTH HILL VIRGINIA TO WILMINGTON DELAWARE. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
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.
DISCUSSION…STORMS HAVE RECENTLY DEVELOPED OVER SWRN VA AND ARE
EXPECTED TO INCREASE IN COVERAGE AND INTENSIFY THROUGH THE REMAINDER
OF THE AFTERNOON…AS THEY DEVELOP AND SPREAD NEWD INTO A MORE MOIST
AND UNSTABLE BOUNDARY LAYER. DEEP SWLY WINDS ABOVE THE BOUNDARY
LAYER WILL BE SUPPORTIVE OF LINE SEGMENTS/POSSIBLY BOWS…AND IN
COMBINATION WITH THE STEEP LOW LEVEL LAPSE RATES…WIND DAMAGE
SHOULD BE THE PRIMARY THREAT. HOWEVER…THE DEGREE OF
INSTABILITY…MLCAPES UP TO 3000 J/KG…WILL SUPPORT SEVERE HAIL
ALSO.
County Outline Area
SEVERE THUNDERSTORM WATCH 625 IS IN EFFECT UNTIL 900 PM EDT
FOR THE FOLLOWING LOCATIONS
DCC001-270100-
/O.NEW.KWNS.SV.A.0625.090726T1810Z-090727T0100Z/
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
DEC001-003-005-270100-
/O.NEW.KWNS.SV.A.0625.090726T1810Z-090727T0100Z/
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
MDC003-005-009-011-013-015-017-019-021-025-027-029-031-033-035-
037-039-041-045-047-510-270100-
/O.NEW.KWNS.SV.A.0625.090726T1810Z-090727T0100Z/
MD
. MARYLAND COUNTIES INCLUDED ARE
ANNE ARUNDEL BALTIMORE CALVERT
CAROLINE CARROLL CECIL
CHARLES DORCHESTER FREDERICK
HARFORD HOWARD KENT
MONTGOMERY PRINCE GEORGES QUEEN ANNE’S
SOMERSET ST. MARYS TALBOT
WICOMICO WORCESTER
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
NJC001-009-011-015-033-270100-
/O.NEW.KWNS.SV.A.0625.090726T1810Z-090727T0100Z/
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC CAPE MAY CUMBERLAND
GLOUCESTER SALEM
VAC001-003-007-011-013-025-029-031-033-036-037-041-047-049-053-
057-059-061-065-073-075-079-081-083-085-087-093-095-097-099-101-
103-107-109-111-113-115-117-119-125-127-131-133-135-137-143-145-
147-149-153-157-159-175-177-179-181-183-193-199-510-540-550-570-
590-595-600-610-620-630-650-670-683-685-700-710-730-735-740-760-
800-810-830-270100-
/O.NEW.KWNS.SV.A.0625.090726T1810Z-090727T0100Z/
VA
. VIRGINIA COUNTIES INCLUDED ARE
ACCOMACK ALBEMARLE AMELIA
APPOMATTOX ARLINGTON BRUNSWICK
BUCKINGHAM CAMPBELL CAROLINE
CHARLES CITY CHARLOTTE CHESTERFIELD
CULPEPER CUMBERLAND DINWIDDIE
ESSEX FAIRFAX FAUQUIER
FLUVANNA GLOUCESTER GOOCHLAND
GREENE GREENSVILLE HALIFAX
HANOVER HENRICO ISLE OF WIGHT
JAMES CITY KING AND QUEEN KING GEORGE
KING WILLIAM LANCASTER LOUDOUN
LOUISA LUNENBURG MADISON
MATHEWS MECKLENBURG MIDDLESEX
NELSON NEW KENT NORTHAMPTON
NORTHUMBERLAND NOTTOWAY ORANGE
PITTSYLVANIA POWHATAN PRINCE EDWARD
PRINCE GEORGE PRINCE WILLIAM RAPPAHANNOCK
RICHMOND SOUTHAMPTON SPOTSYLVANIA
STAFFORD SURRY SUSSEX
WESTMORELAND YORK
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA CHARLOTTESVILLE CHESAPEAKE
COLONIAL HEIGHTS DANVILLE EMPORIA
FAIRFAX FALLS CHURCH FRANKLIN
FREDERICKSBURG HAMPTON HOPEWELL
MANASSAS MANASSAS PARK NEWPORT NEWS
NORFOLK PETERSBURG POQUOSON
PORTSMOUTH RICHMOND SUFFOLK
VIRGINIA BEACH WILLIAMSBURG
ANZ430-431-452-453-454-455-530-531-532-533-534-535-536-537-630-
631-632-650-652-654-656-270100-
/O.NEW.KWNS.SV.A.0625.090726T1810Z-090727T0100Z/
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
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA
CHESAPEAKE BAY FROM WINDMILL POINT TO NEW POINT COMFORT VA
CHESAPEAKE BAY FROM NEW POINT COMFORT TO CAPE HENRY VA
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM
COASTAL WATERS FROM CHINCOTEAGUE TO PARRAMORE ISLAND VA OUT 20 NM
COASTAL WATERS FROM PARRAMORE ISLAND TO CAPE CHARLES LIGHT VA OUT
20 NM
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT 20
NM
ATTN…WFO…LWX…AKQ…PHI…RNK..
