

132 

WWUS20 KWNS 301311

SEL9

SPC WW 301311

GAZ000-NCZ000-SCZ000-302100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 19

NWS STORM PREDICTION CENTER NORMAN OK

810 AM EST WED JAN 30 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN AND CENTRAL GEORGIA

       FAR WESTERN NORTH CAROLINA

       FAR NORTHWEST SOUTH CAROLINA



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 810 AM UNTIL

400 PM EST.



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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 80 MILES NORTH NORTHWEST OF

ATHENS GEORGIA TO 55 MILES SOUTH SOUTHWEST OF MACON GEORGIA.  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 14...WW 15...WW 16...WW

17...WW 18...



DISCUSSION...PRE-FRONTAL BANDS OF CONVECTION CONTINUE TO INCREASE IN

COVERAGE AND INTENSITY THIS MORNING FROM CNTRL/ERN AL INTO WRN

GA...AS LOW-LEVEL CONFLUENCE IS ENHANCED DOWNSTREAM FROM THE

UPPER-LEVEL TROUGH.  THE 12Z SOUNDINGS FROM BHM AND FFC SHOWED THE

PRESENCE OF A MOIST BOUNDARY LAYER WITH MLCAPE RANGING FROM AROUND

250 J/KG OVER NRN GA...TO AROUND 1000 J/KG OVER CNTRL AL.  THE ONSET

OF BOUNDARY LAYER WARMING WILL SUPPORT A GRADUAL INCREASE IN

INSTABILITY TODAY...AND WHEN COUPLED WITH THE STRONG LOW-LEVEL AND

DEEP-LAYER SHEAR OBSERVED BY THESE SOUNDINGS...THE SETUP WILL BE

SUPPORTIVE OF SUPERCELLS CAPABLE 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 400.

MEAN STORM MOTION VECTOR 22040.





...MEAD

