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WWUS20 KWNS 242021

SEL3

SPC WW 242021

NCZ000-SCZ000-VAZ000-CWZ000-250300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 513

NWS STORM PREDICTION CENTER NORMAN OK

425 PM EDT TUE JUL 24 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN NORTH CAROLINA

       NORTHEAST SOUTH CAROLINA

       SOUTHEAST VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 425 PM UNTIL

1100 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 EITHER SIDE OF A LINE FROM 25 MILES NORTHWEST OF

MYRTLE BEACH SOUTH CAROLINA TO 60 MILES EAST NORTHEAST OF NORFOLK

VIRGINIA.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 509...WW 510...WW

511...WW 512...



DISCUSSION...SCATTERED INTENSE THUNDERSTORMS ARE MOVING ACROSS

CENTRAL NC AND ARE FORMING OVER SOUTHEAST VA.  THIS ACTIVITY WILL

MOVE EAST-SOUTHEASTWARD ACROSS THE WATCH AREA DURING THE LATE

AFTERNOON AND EVENING.  HIGH CAPE VALUES AND SUFFICIENT WESTERLY

FLOW ALOFT WILL POSE A RISK OF LOCALLY DAMAGING WINDS AND HAIL IN

THE STRONGER STORMS.



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 27030.





...HART

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