SEL1
SPC WW 271814
NCZ000-CWZ000-280000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 901
NWS STORM PREDICTION CENTER NORMAN OK
115 PM EST TUE DEC 27 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN NORTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 115 PM UNTIL
700 PM EST.
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 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 35 MILES EAST NORTHEAST OF
CAPE HATTERAS NORTH CAROLINA TO 10 MILES SOUTH SOUTHWEST OF
GOLDSBORO NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
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.
DISCUSSION...SCATTERED SHOWERS AND THUNDERSTORMS WILL AFFECT EASTERN
NC THROUGH THE AFTERNOON AND EARLY EVENING...IN ASSOCIATION WITH AN
INTENSE UPPER TROUGH MOVING ACROSS TN/WV/VA. EXTREMELY STRONG LOW
LEVEL WIND FIELDS /3KM SRH VALUES EXCEEDING 1000 M2/S2/ COUPLED WITH
SURFACE DEWPOINTS IN THE UPPER 50S/LOWER 60S MAY BE SUFFICIENT FOR
ISOLATED SUPERCELL/BOW ECHO DEVELOPMENT. ANY SUSTAINED UPDRAFT MAY
ATTAIN ROTATION AND POSE A THREAT OF LOCALLY DAMAGING WINDS OR
TORNADOES.
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
400. MEAN STORM MOTION VECTOR 24050.
...HART
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