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Severe Thunderstorm Watch 129
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WW0129 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 129
   NWS STORM PREDICTION CENTER NORMAN OK
   1240 PM EDT FRI APR 19 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   
   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     CENTRAL AND EASTERN PANHANDLE OF FLORIDA
     CENTRAL...EASTERN AND SOUTHERN GEORGIA
     WEST-CENTRAL SOUTH CAROLINA
     COASTAL WATERS
   
   * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL
     800 PM EDT.
   
   * PRIMARY THREATS INCLUDE...
     SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75
       MPH POSSIBLE
     A FEW TORNADOES POSSIBLE
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHWEST OF
   AUGUSTA GEORGIA TO 35 MILES SOUTH SOUTHWEST OF TALLAHASSEE
   FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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.
   
   &&
   
   DISCUSSION...TSTMS FCST TO CONTINUE INCREASING IN INTENSITY AND
   COVERAGE ALONG/AHEAD OF SFC COLD FRONT...AS 
   1. BOUNDARY-LAYER AIR MASS DIABATICALLY DESTABILIZES...WITH RICH
   THETAE OFFSETTING WEAK LAPSE RATES ALOFT...AND
   2. FAVORABLE DEEP-LAYER SHEAR SPREADS EWD OVER AREA ACROSS IMMEDIATE
   PREFRONTAL CORRIDOR.
   
   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 24035.
   
   
   ...EDWARDS
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Page last modified: April 20, 2013
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