Post by Storm Precdiction Center Olney on Jul 25, 2010 13:06:03 GMT -5
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 535
NWS STORM PREDICTION CENTER OLNEY MD
150 PM EDT SUN JUL 25 2010
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
MUCH OF DELAWARE
SOUTHERN AND EASTERN MARYLAND
MUCH OF NORTHERN AND CENTRAL VIRGINIA
PARTS OF EASTERN WEST VIRGINIA
COASTAL WATERS
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 800
PM EDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST
NORTHWEST OF WHITE SULPHUR SPRINGS WEST VIRGINIA TO 30 MILES EAST
NORTHEAST OF SALISBURY MARYLAND. 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.
OTHER WATCH INFORMATION...CONTINUE...WW 534...
DISCUSSION...SEVERE THUNDERSTORMS HAVE DEVELOPED ACROSS SRN PA SWWD
INTO WV. WITH A VERY HOT/UNSTABLE AIR MASS E OF
APPALACHIANS...SEVERE STORMS WILL CONTINUE EWD ACROSS THE WATCH WITH
POTENTIAL FOR STRONG/DAMAGING WINDS. GREATEST WIND DAMAGE WILL BE
ASSOCIATED WITH ANY LINE SEGMENTS/BOWS THAT DEVELOP.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
VECTOR 26035.
SEVERE THUNDERSTORM WATCH NUMBER 535
NWS STORM PREDICTION CENTER OLNEY MD
150 PM EDT SUN JUL 25 2010
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
MUCH OF DELAWARE
SOUTHERN AND EASTERN MARYLAND
MUCH OF NORTHERN AND CENTRAL VIRGINIA
PARTS OF EASTERN WEST VIRGINIA
COASTAL WATERS
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 800
PM EDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST
NORTHWEST OF WHITE SULPHUR SPRINGS WEST VIRGINIA TO 30 MILES EAST
NORTHEAST OF SALISBURY MARYLAND. 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.
OTHER WATCH INFORMATION...CONTINUE...WW 534...
DISCUSSION...SEVERE THUNDERSTORMS HAVE DEVELOPED ACROSS SRN PA SWWD
INTO WV. WITH A VERY HOT/UNSTABLE AIR MASS E OF
APPALACHIANS...SEVERE STORMS WILL CONTINUE EWD ACROSS THE WATCH WITH
POTENTIAL FOR STRONG/DAMAGING WINDS. GREATEST WIND DAMAGE WILL BE
ASSOCIATED WITH ANY LINE SEGMENTS/BOWS THAT DEVELOP.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
VECTOR 26035.