

984 

WWUS20 KWNS 271807

SEL5

SPC WW 271807

GAZ000-NCZ000-SCZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 735

NWS STORM PREDICTION CENTER NORMAN OK

205 PM EDT WED OCT 27 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHEAST GEORGIA

       WESTERN AND CENTRAL NORTH CAROLINA

       WESTERN SOUTH CAROLINA



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 205 PM UNTIL

900 PM EDT.



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 50 STATUTE

MILES EITHER SIDE OF A LINE FROM 40 MILES SOUTH OF ANDERSON SOUTH

CAROLINA TO 65 MILES EAST NORTHEAST OF DANVILLE VIRGINIA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



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 733...WW 734...



DISCUSSION...TSTMS DEVELOPING ALONG SW-NE ORIENTED SURFACE

BAROCLINIC ZONE ARE EXPECTED TO INCREASE IN COVERAGE AND INTENSITY

THIS AFTERNOON WITHIN A WARM AND HUMID AIR MASS WITH MLCAPE VALUES

OF 1000-1500 J/KG.  A 40 KT SWLY LLJ WILL BE MAINTAINED ACROSS THE

REGION THROUGH THE REMAINDER OF THE DAY...WHICH WHEN COUPLED WITH

50-55 KT SWLY MIDLEVEL WIND FIELD...IS RESULTING IN A SUFFICIENTLY

SHEARED KINEMATIC ENVIRONMENT FOR SUPERCELLS AND BOWING STRUCTURES

CAPABLE OF DAMAGING WINDS AND A COUPLE OF TORNADOES.



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 500.

MEAN STORM MOTION VECTOR 24030.





...MEAD

