

333 

WWUS20 KWNS 102117

SEL3

SPC WW 102117

ALZ000-MSZ000-110500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 33

NWS STORM PREDICTION CENTER NORMAN OK

315 PM CST SUN FEB 10 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ALABAMA

       SOUTHEAST MISSISSIPPI



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 315 PM UNTIL

1100 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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 155 MILES SOUTHWEST OF SELMA

ALABAMA TO 35 MILES WEST NORTHWEST OF SELMA ALABAMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



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 32...



DISCUSSION...A NUMBER OF SUPERCELLS ARE IN PROGRESS THIS AFTERNOON

OVER SRN MS WITHIN A NARROW WARM SECTOR...BOUNDED BY A LONG-LIVED

QLCS TO THE NORTH AND WEST...AND A WARM FRONT SLOWLY PROGRESSING

ENEWD THROUGH SERN MS INTO SWRN AL.  THE WARM SECTOR AIR MASS IS

CHARACTERIZED BY BOUNDARY LAYER DEWPOINTS IN THE MID/UPPER 60S AND

STRONG LOW-LEVEL AND DEEP-LAYER SHEAR WHICH WILL SUPPORT AN

INCREASING RISK FOR TORNADIC SUPERCELLS EWD ACROSS THE WATCH AREA

THIS AFTERNOON INTO EVENING.



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 24035.





...MEAD

