

139 

WWUS20 KWNS 300407

SEL3

SPC WW 300407

MSZ000-TNZ000-301000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 13

NWS STORM PREDICTION CENTER NORMAN OK

1010 PM CST TUE JAN 29 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       MUCH OF MISSISSIPPI

       MIDDLE TENNESSEE



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1010 PM

UNTIL 400 AM 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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 10 MILES EAST NORTHEAST OF

CLARKSVILLE TENNESSEE TO 75 MILES SOUTHWEST OF JACKSON

MISSISSIPPI.  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 10...WW 11...WW 12...



DISCUSSION...MULTIPLE LINES OF STRONG/SEVERE STORMS OVER AR/LA WILL

CONSOLIDATE AND TRACK EASTWARD ACROSS THE WATCH AREA OVERNIGHT.  A

SLOW EVOLUTION TOWARD A SEVERE SQUALL LINE IS EXPECTED...WITH

DAMAGING WINDS BEING THE MAIN THREAT.  HOWEVER...VERY STRONG LOW

LEVEL SHEAR AND SUFFICIENT INSTABILITY WILL MAINTAIN THE RISK OF

ISOLATED 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 450.

MEAN STORM MOTION VECTOR 24035.





...HART

