

000 

WWUS20 KWNS 121815

SEL2

SPC WW 121815

NCZ000-SCZ000-CWZ000-130000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 202

NWS STORM PREDICTION CENTER NORMAN OK

210 PM EDT SAT APR 12 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN NORTH CAROLINA

       NORTHEASTERN SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 210 PM UNTIL

800 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 80

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

ELIZABETH CITY NORTH CAROLINA TO 45 MILES EAST SOUTHEAST OF

FLORENCE SOUTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 201...



DISCUSSION...DIABATICALLY DESTABILIZING BOUNDARY LAYER OVER WW AREA

WILL COMBINE WITH STG DEEP-LAYER WINDS ALOFT AND UNIDIRECTIONAL WIND

PROFILES TO CONTRIBUTE TO FAVORABLE SHEAR/BUOYANCY JUXTAPOSITION FOR

SVR.  MAIN THREAT IS DAMAGING GUSTS...WITH ISOLATED/MARGINALLY SVR

HAIL ALSO POSSIBLE.



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 500. MEAN STORM MOTION

VECTOR 23045.





...EDWARDS/THOMPSON

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