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000 

WWUS20 KWNS 081113

SEL8

SPC WW 081113

NCZ000-VAZ000-CWZ000-081700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 108

NWS STORM PREDICTION CENTER NORMAN OK

615 AM EST SAT MAR 8 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN NORTH CAROLINA

       SOUTHEASTERN VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY MORNING FROM 615 AM UNTIL NOON EST.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF ELIZABETH

CITY NORTH CAROLINA TO 25 MILES SOUTH SOUTHEAST OF WILMINGTON

NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 107...



DISCUSSION...EXTREME LOW AND DEEP LAYER SHEAR WILL CONTINUE ACROSS

THE REGION THIS MORNING AS STRONG MID/UPPER LEVEL SYSTEM EJECTS NEWD

ACROSS THE APPALACHIANS.  ALTHOUGH INSTABILITY WILL REMAIN QUITE

WEAK...INFLUX OF WARMER/MOIST AIR OFF THE ATLANTIC WILL SUSTAIN 65+F

SURFACE DEW POINTS AND NEAR SURFACE-BASED INSTABILITY.  GIVEN THE

EXTREME SHEAR...THIS WILL THEREFORE POSE A THREAT OF ISOLATED

TORNADOES AND/OR DAMAGING WINDS AS STORMS INCREASE IN

COVERAGE/INTENSITY AND SPREAD QUICKLY NNEWD ACROSS WW.



AVIATION...TORNADOES AND 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 350.

MEAN STORM MOTION VECTOR 22040.





...EVANS

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