

264 

WWUS20 KWNS 230855

SEL1

SPC WW 230855

ALZ000-GAZ000-MSZ000-231600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 11

NWS STORM PREDICTION CENTER NORMAN OK

245 AM CST MON JAN 23 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST THROUGH CENTRAL AND EASTERN ALABAMA

       NORTHWEST GEORGIA

       SOUTHEAST MISSISSIPPI



EFFECTIVE THIS MONDAY MORNING FROM 245 AM UNTIL 1000 AM CST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH SOUTHEAST OF

ROME GEORGIA TO 90 MILES SOUTHWEST OF TUSCALOOSA ALABAMA.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 7...WW 8...WW 9...WW 10...



DISCUSSION...SUPERCELLS EXPECTED TO PERSIST ALONG CONFLUENCE AXIS

EXTENDING FROM THE MERIDIAN MS AREA NEWD TO NEAR HUNTSVILLE AL.

THIS AXIS SHOULD ADVANCE SLOWLY ESE THROUGH MID MORNING...WHILE

ATTENDANT STORMS MOVE ENE ALONG IT.  VERY STRONG TO INTENSE DEEP

WIND FIELD ASSOCIATED WITH NEG TILT TROUGH NOW OVER W TN WILL

MAINTAIN ENVIRONMENT FAVORABLE FOR ADDITIONAL ROTATING STORMS AS THE

TROUGH CONTINUES NEWD.

LOW LVL ROTATION/TORNADO THREAT APPEARS GREATEST WHERE THE

CONFLUENCE AXIS INTERSECTS BELT OF ENHANCED LOW LVL SRH ALONG SRN

FRINGE OF DIFFUSE WEDGE BOUNDARY.  THIS FEATURE ATTM EXTENDS ROUGHLY

ESE FROM NEAR TCL/BHM.  GIVEN INTENSITY OF LOW LVL SHEAR...THE

TORNADO THREAT MAY SPREAD NEWD INTO NW GA LATER THIS

MORNING...DESPITE MORE PRONOUNCED LAYER OF WEDGE-TYPE AIR THAT

REMAINS OVER THAT REGION ATTM.

THE TORNADO THREAT SHOULD SUBSIDE LATER THIS MORNING AS THE UPR

TROUGH CONTINUES NEWD...DIMINISHING BOTH LARGE SCALE ASCENT AND DEEP

WIND FIELD OVER REGION.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25050.





...CORFIDI

