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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 893

NWS STORM PREDICTION CENTER NORMAN OK

935 AM EDT TUE SEP 9 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN CONNECTICUT

       DISTRICT OF COLUMBIA

       DELAWARE

       EASTERN MARYLAND

       NEW JERSEY

       PARTS OF SOUTHEAST NEW YORK

       PARTS OF EASTERN PENNSYLVANIA

       PARTS OF NORTHERN VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 935 AM UNTIL

400 PM EDT.



HAIL TO 2 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 70

STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH OF

BRIDGEPORT CONNECTICUT TO 15 MILES SOUTHWEST OF PATUXENT RIVER

MARYLAND.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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...SQUALL LINE ERN PA INTO NRN MD WILL INTENSITY WITH

APPROACH OF UPPER TROUGH AND AVAILABILITY OF A VERY MOIST MODERATELY

UNSTABLE WARM SECTOR.  DAMAGING WINDS WILL BE THE PRIMARY THREAT AS

STORMS MOVE EWD AND DEVELOP A LITTLE FURTHER S INTO VA/ERN MD.



AVIATION...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 24030.





...HALES

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