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Severe Thunderstorm Watch 22
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WW0022 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Very Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL2

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 22
   NWS STORM PREDICTION CENTER NORMAN OK
   640 AM EST FRI FEB 21 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHERN FLORIDA AND EASTERN FLORIDA PANHANDLE
     SOUTHERN AND EASTERN GEORGIA
     CENTRAL AND WESTERN SOUTH CAROLINA
     COASTAL WATERS

   * EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 640 AM UNTIL
     200 PM EST.

   * 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 80
   STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTHEAST OF
   TALLAHASSEE FLORIDA TO 65 MILES NORTH OF COLUMBIA SOUTH CAROLINA.
    FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU2).

   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...CONTINUE...WW 21...

   DISCUSSION...BAND OF STG-SVR TSTMS IS FCST TO PROCEED EWD ACROSS WW
   AREA WITH OCNL LEWP./BOW FORMATIONS LOCALLY MAXIMIZING DAMAGING-WIND
   POTENTIAL.  THREAT INITIALLY IS WIDELY SCATTERED TO ISOLATED AND
   MRGL...BUT SHOULD RAMP UP WITH TIME AFTER SUNRISE AS TWO PROCESSES
   DESTABILIZE FOREGOING/INFLOW LAYER...AMIDST FAVORABLE DEEP SHEAR...
   1. THETAE ADVECTION FROM BOTH GULF AND ATLC...CONSTRICTING WIDTH OF
   PLUME OF RELATIVELY STABLE TRAJECTORIES FROM FL PENINSULA AND
   2. DIABATIC SFC HEATING THROUGH ANVIL CLOUD COVER.

   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 500. MEAN STORM MOTION
   VECTOR 25035.


   ...EDWARDS
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Page last modified: February 21, 2014
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