

000 

WWUS20 KWNS 151641

SEL9

SPC WW 151641

NCZ000-VAZ000-CWZ000-160000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 149

NWS STORM PREDICTION CENTER NORMAN OK

1240 PM EDT SUN APR 15 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN AND CENTRAL NORTH CAROLINA

       SOUTHEAST VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL

800 PM EDT.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 20 MILES EAST OF NORFOLK

VIRGINIA TO 20 MILES SOUTH OF HICKORY NORTH CAROLINA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU9).



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 147...WW 148...



DISCUSSION...LINE OF THUNDERSTORMS OVER CENTRAL NC WILL TRACK

EASTWARD TOWARD THE COAST EARLY THIS AFTERNOON...WHILE NEW STORMS

INTENSIFY OVER WESTERN NC.  THESE STORMS WILL SPREAD NORTHEASTWARD

ALONG AND SOUTH OF WARM FRONT ACROSS NORTHERN NC AND SOUTHEAST VA.

PRIMARY RISK SHOULD BE DAMAGING WINDS AND HAIL DUE TO STEEPENING MID

LEVEL LAPSE RATES AND STRONG DEEP LAYER SHEAR.  HOWEVER...PROXIMITY

TO RAPIDLY DEEPENING SURFACE LOW AND INCREASING DEWPOINT VALUES MAY

BE SUFFICIENT TO OFFSET VEERING LOW LEVEL WINDS TO LOCALLY ENHANCE

TORNADO RISK AS WELL.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24040.





...HART

