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Tornado Watch 300
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WW0300 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.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 300
   NWS STORM PREDICTION CENTER NORMAN OK
   705 PM CDT SAT MAY 10 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN/CENTRAL ALABAMA
          SOUTHERN MIDDLE TENNESSEE
   
   EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 705 PM
   UNTIL 200 AM CDT.
   
   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 85 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST NORTHWEST OF
   MUSCLE SHOALS ALABAMA TO 40 MILES EAST NORTHEAST OF GADSDEN
   ALABAMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   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 293...WW 294...WW
   295...WW 297...WW 298...WW 299...
   
   DISCUSSION...TSTMS ARE BEGINNING TO FORM INVOF A WARM FRONT
   BISECTING NRN AL.  THE FRONT IS EXPECTED TO LIFT NWD INTO SRN MIDDLE
   TN WITH TIME THIS EVENING.  MEANWHILE...SUPERCELL TSTMS UPSTREAM
   CROSSING THE MS RVR WILL MOVE ESEWD AND BEGIN MOVING INTO MIDDLE TN
   AND NRN/CNTRL PARTS OF AL LATER THIS EVENING.  THOUGH LOW-LEVEL
   SHEAR IS MODEST ATTM...IT IS EXPECTED TO INCREASE THROUGH THE
   EVENING AS THE UPSTREAM IMPULSE MOVES SEWD AND THE SLY LLJ
   INTENSIFIES.
   
   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
   500. MEAN STORM MOTION VECTOR 24035.
   
   
   ...RACY/EVANS
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