

716 

WWUS20 KWNS 120919

SEL4

SPC WW 120919

NCZ000-VAZ000-121300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 104

NWS STORM PREDICTION CENTER NORMAN OK

520 AM EDT FRI APR 12 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME NORTHERN NORTH CAROLINA

       CENTRAL VIRGINIA



EFFECTIVE THIS FRIDAY MORNING FROM 520 AM UNTIL 900 AM EDT.



TORNADOES...HAIL TO 0.5 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 40 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST NORTHWEST OF

SOUTH HILL VIRGINIA TO 25 MILES EAST SOUTHEAST OF RICHMOND

VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 102...WW 103...



DISCUSSION...INTENSIFYING SQUALL LINE WITH EMBEDDED BOW/LEWP

STRUCTURES IS FORECAST TO TRACK EAST-NORTHEASTWARD ACROSS THE WATCH

AREA THIS MORNING.  STRONG WINDS ALOFT AND SUFFICIENT INSTABILITY

WILL POSE A RISK FOR STRONG/DAMAGING WINDS AND/OR AN ISOLATED

TORNADO.



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

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 24035.





...HART

