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WWUS20 KWNS 210002

SEL0

SPC WW 210002

NCZ000-VAZ000-CWZ000-210500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 210

NWS STORM PREDICTION CENTER NORMAN OK

800 PM EDT SUN APR 20 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN NORTH CAROLINA

       SOUTHEASTERN VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 800 PM UNTIL

100 AM EDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF RICHMOND

VIRGINIA TO 50 MILES SOUTHEAST OF NEW BERN NORTH CAROLINA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU0).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 209...



DISCUSSION...SHORT BANDS/CLUSTERS OF STORMS WILL CONTINUE ACROSS WW

AREA THROUGH LATE EVENING AS NW NC UPR VORT CONTINUES ESE.  NARROW

CURRENT OF MODERATELY MOIST SSELY LOW LEVEL FLOW WILL CONTINUE TO

IMPINGE ON RESIDUAL N/S-ORIENTED OUTFLOW BOUNDARY SEGMENTS FROM

EARLIER STORMS.  THIS COULD SUPPORT A CONTINUED THREAT FOR LOW-LEVEL

STORM ROTATION AS TEMP/DEW POINT SPREADS LESSEN...LARGE SCALE ASCENT

STRENGTHENS ...AND STORMS MOVE N ALONG THE BOUNDARIES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 18030.





...CORFIDI

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