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Tornado Watch 24
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WW0024 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 24
   NWS STORM PREDICTION CENTER NORMAN OK
   1245 PM CST WED FEB 18 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          MUCH OF NORTHERN AND CENTRAL ALABAMA
          PARTS OF NORTHWEST GEORGIA
          PARTS OF CENTRAL AND EASTERN MISSISSIPPI
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL
   800 PM CST.
   
   TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE
   MILES EAST AND WEST OF A LINE FROM 55 MILES EAST NORTHEAST OF
   HUNTSVILLE ALABAMA TO 15 MILES SOUTH OF MERIDIAN MISSISSIPPI. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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 23...
   
   DISCUSSION...AIR MASS HAS CONTINUED TO DESTABILIZE ACROSS THE WATCH
   AREA AND 18Z SOUNDINGS AT JAN/BHM INDICATE STRONG SHEAR AND
   INSTABILITY IN PLACE TO SUPPORT SUPERCELL DEVELOPMENT.  STORMS WILL
   INCREASE IN NUMBER AND INTENSITY EWD ACROSS THE WATCH WITH
   SUPERCELLS ALONG WITH A TORNADO THREAT EXPECTED.  STORMS WILL EVOLVE
   ALSO INTO SHORT LINE SEGMENTS DURING AFTERNOON INCREASING THE WIND
   DAMAGE THREAT UNDER A VERY STRONG WIND PROFILE.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   450. MEAN STORM MOTION VECTOR 26045.
   
   
   ...HALES
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