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Severe Thunderstorm Watch 550
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WW0550 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Low 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.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 550
   NWS STORM PREDICTION CENTER NORMAN OK
   210 PM EDT SUN JUL 5 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND PARTS OF SOUTHERN ALABAMA
          CENTRAL GEORGIA
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 210 PM UNTIL 900
   PM EDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
   STATUTE MILES EITHER SIDE OF A LINE FROM 80 MILES WEST OF SELMA
   ALABAMA TO 20 MILES NORTHEAST OF VIDALIA GEORGIA.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU0).
   
   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...AREAS OF STRONG TO LOCALLY INTENSE TSTM DEVELOPMENT ARE
   EXPECTED TO INCREASE ACROSS PARTS OF AL/GA THIS AFTERNOON ALONG
   WEAKLY CONFLUENT OUTFLOW AND DIFFERENTIAL HEATING BOUNDARIES.
   AIRMASS HAS BECOME VERY UNSTABLE WITH MLCAPE IN EXCESS OF 2000 J PER
   KG AND DCAPE IN EXCESS OF 1000 J PER KG. OVERALL SHEAR PROFILES
   INDICATE THAT STORMS WILL BE PULSE TO MULTICELLULAR IN CHARACTER
   WITH SOME STORM-SCALE TO MESOSCALE ORGANIZATION POSSIBLE AS COLD
   POOLS EXPAND AND MOVE ESEWD WITH 25-30KT MEAN-LAYER FLOW. DOWNBURST
   WINDS APPEAR TO THE PRIMARY SEVERE STORM THREAT WITH THIS ACTIVITY.
   
   AVIATION...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 32015.
   
   
   ...CARBIN
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