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373 

WWUS20 KWNS 210658

SEL1

SPC WW 210658

ALZ000-FLZ000-GAZ000-MSZ000-CWZ000-211400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 21

NWS STORM PREDICTION CENTER NORMAN OK

100 AM CST FRI FEB 21 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL...EASTERN AND SOUTHERN ALABAMA

  WESTERN/CENTRAL PANHANDLE OF FLORIDA

  WESTERN AND NORTHERN GEORGIA

  EXTREME SOUTHEASTERN MISSISSIPPI

  COASTAL WATERS



* EFFECTIVE THIS FRIDAY MORNING FROM 100 AM UNTIL 800 AM CST.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85

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

SOUTHWEST OF PENSACOLA FLORIDA TO 45 MILES NORTHWEST OF ATLANTA

GEORGIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



&&



OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES

TORNADO WATCH NUMBER 15...TORNADO WATCH NUMBER 16. WATCH NUMBER

15 16 WILL NOT BE IN EFFECT AFTER 100 AM CST. CONTINUE...WW

17...WW 19...WW 20...



DISCUSSION...BANDS OF SVR TSTMS WILL CONTINUE TO OFFER DAMAGING-WIND

POTENTIAL FROM BOW/LEWP FORMATIONS...AS THEY MOVE INTO FAVORABLY

MOIST AND AT LEAST MRGLLY UNSTABLE AIR MASS ACROSS WW AREA.  TORNADO

THREAT STILL EXISTS BUT APPEARS MRGL AND GRADUALLY DIMINISHING

OVERNIGHT...GIVEN PRESENCE OF STRONGER LOW-LEVEL AND DEEP SHEAR

FARTHER N.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION

VECTOR 24035.





...EDWARDS

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