

499 

WWUS20 KWNS 241939

SEL5

SPC WW 241939

DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-CWZ000-250100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 195

NWS STORM PREDICTION CENTER NORMAN OK

340 PM EDT SUN APR 24 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       DISTRICT OF COLUMBIA

       DELAWARE

       EASTERN MARYLAND

       SOUTHERN AND CENTRAL NEW JERSEY

       SOUTHEAST PENNSYLVANIA

       NORTHEAST VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 340 PM UNTIL 900

PM EDT.



HAIL TO 1 INCH 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 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST

NORTHWEST OF WASHINGTON DISTRICT OF COLUM TO 35 MILES EAST

SOUTHEAST OF LAKEHURST NEW JERSEY.  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 192...WW 193...WW 194...



DISCUSSION...A CLUSTER OF STRONG/SEVERE THUNDERSTORMS OVER EASTERN

WV WILL TRACK QUICKLY EASTWARD ACROSS THE DELMARVA REGION THIS

AFTERNOON WITH A RISK OF LOCALLY DAMAGING WINDS AND HAIL.  OTHER

STORMS ARE EXPECTED TO DEVELOP TO THE NORTH OF THIS

CLUSTER...AFFECTING PORTIONS OF SOUTHEAST PA AND NJ.  THREAT SHOULD

DIMINISH AFTER DARK AS STORMS MOVE OFFSHORE AND INSTABILITY WANES.



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 400. MEAN STORM MOTION

VECTOR 25040.





...HART

