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WWUS20 KWNS 161547

SEL9

SPC WW 161547

ALZ000-FLZ000-GAZ000-NCZ000-TNZ000-CWZ000-170000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 889

NWS STORM PREDICTION CENTER NORMAN OK

945 AM CST WED NOV 16 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       ALABAMA

       WESTERN FLORIDA PANHANDLE

       WESTERN AND NORTHERN GEORGIA

       FAR WESTERN NORTH CAROLINA

       FAR SOUTHEAST TENNESSEE

       COASTAL WATERS



EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 945 AM UNTIL

600 PM CST.



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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF ROME GEORGIA

TO 30 MILES SOUTH SOUTHEAST OF EVERGREEN ALABAMA.  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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 887. WATCH NUMBER 887 WILL NOT BE IN EFFECT AFTER

945 AM CST. CONTINUE...WW 888...



DISCUSSION...SFC LOW VICINITY OF HUN AS OF 15Z WILL CONTINUE TO

DEVELOP ENEWD ALONG LOW-LEVEL BAROCLINIC ZONE TODAY.

WAA/ISALLOBARIC FORCING IN ADVANCE OF THIS FEATURE WILL PROMOTE AN

INCREASE IN TORNADIC SUPERCELL POTENTIAL INTO THE SRN APPALACHIANS

WITHIN A STRONGLY SHEARED AND WEAKLY UNSTABLE ENVIRONMENT.  FARTHER

S...A CLUSTER OF SUPERCELLS IS ONGOING ACROSS CNTRL/SRN AL WITHIN A

VERY MOIST AND MODERATELY UNSTABLE ENVIRONMENT.  HERE TOO...LOW- AND

DEEP-LAYER SHEAR WILL REMAIN MORE THAN SUFFICIENT TO SUPPORT

ROTATING STORMS CAPABLE OF TORNADOES AND DAMAGING WINDS.



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 24035.





...MEAD

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