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098 

WWUS20 KWNS 210006

SEL5

SPC WW 210006

ALZ000-LAZ000-MSZ000-210700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 15

NWS STORM PREDICTION CENTER NORMAN OK

605 PM CST THU FEB 20 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL ALABAMA

  SOUTHEAST LOUISIANA

  SOUTHERN AND CENTRAL MISSISSIPPI



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 605 PM

  UNTIL 100 AM CST.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY

  A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF

TUSCALOOSA ALABAMA TO 50 MILES SOUTHWEST OF MC COMB MISSISSIPPI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 9...WW 11...WW 13...WW

14...



DISCUSSION...TSTMS NOW FORMING ALONG LOW-LVL CONFLUENCE WELL IN

ADVANCE OF COLD FRONT ASSOCIATED WITH POTENT MIDWEST SHORTWAVE

TROUGH EXPECTED TO INCREASE IN COVERAGE/STRENGTH THROUGH LATER THIS

EVE AS REGION IS GLANCED BY THE IMPULSE. ADEQUATE ENVIRONMENT FOR

TORNADOES ATTM...GIVEN 00Z JAN RAOB...PLUS LIKELIHOOD FOR SOME

INCREASE IN WIND FIELD THROUGH TNGT...SUGGEST POTENTIAL FOR A COUPLE

TORNADOES IN ADDITION TO DMGG WIND/HAIL. WITH TIME...SOME INCREASE

IN STORMS MAY OCCUR ALONG EXISTING CONFLUENCE BAND NOW EXTENDING

FROM NW MS SWWD INTO W CNTRL LA. THIS ACTIVITY MAY AFFECT WRN PARTS

OF WW 15 LATER TNGT WITH A RISK FOR DMGG WIND AND POSSIBLY A

TORNADO.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24035.





...CORFIDI

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