

000 

WWUS20 KWNS 090038

SEL3

SPC WW 090038

MDZ000-NCZ000-VAZ000-CWZ000-090700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 283

NWS STORM PREDICTION CENTER NORMAN OK

840 PM EDT THU MAY 8 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN MARYLAND

       NORTH CENTRAL NORTH CAROLINA

       CENTRAL VIRGINIA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 840 PM

UNTIL 300 AM 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 30 STATUTE

MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH OF RICHMOND

VIRGINIA TO 55 MILES SOUTHWEST OF ROANOKE RAPIDS NORTH CAROLINA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 280...WW 281...WW 282...



DISCUSSION...SEVERE THUNDERSTORMS EXPECTED TO CONTINUE SPREADING EWD

INTO WW THIS EVENING ALONG INCREASING LLJ.  VERY IMPRESSIVE SHEAR

PROFILES ON EVENING SOUNDINGS AND AREA VWP/S WILL MAINTAIN THREATS

OF ISOLATED SUPERCELLS AS WELL AS SMALL BOWING SEGMENTS.  POTENTIAL

FOR TORNADOES WILL ACCOMPANY THREATS OF LARGE HAIL AND DAMAGING

WINDS WITH THE STRONGER STORMS TONIGHT.



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

400. MEAN STORM MOTION VECTOR 24035.





...EVANS

