MESOSCALE DISCUSSION 0465
   NWS STORM PREDICTION CENTER NORMAN OK
   1115 AM CDT MON APR 13 2009
   
   AREAS AFFECTED...SRN AL...SRN GA...NRN FL
   
   CONCERNING...TORNADO WATCH 149...
   
   VALID 131615Z - 131745Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 149 CONTINUES.
   
   THE SEVERE THREAT WITH AN MCS OVER SW GA AND THE FL PANHANDLE WILL
   LIKELY CONTINUE INTO THE AFTERNOON. THE LINE OF STORMS SHOULD MOVE
   EWD INTO SE GA AND INTO NRN FL WITH A THREAT FOR A FEW
   TORNADOES...WIND DAMAGE AND HAIL.
   
   LATEST SFC ANALYSIS SHOWS A QUASI-STATIONARY FRONT LOCATED ACROSS
   SRN GA WITH DEWPOINTS SOUTH OF THE BOUNDARY IN THE LOWER TO MID 60S
   F. THIS AREA IS MODERATELY UNSTABLE AND INSTABILITY SHOULD INCREASE
   THROUGH EARLY AFTERNOON SUSTAINING THE LINE OF STORMS. THE MCS IS
   TIMED TO AFFECT AREAS EAST OF TORNADO WATCH 149 BY 17Z IN SE GA AND
   BY 19Z IN NRN FL. EAST OF THE LINE AT TALLAHASSEE...THE FASTEST
   WSR-88D VWP SHOWS A FAVORABLE LOW-LEVEL WIND PROFILE FOR TORNADOES
   WITH 0-1 KM SHEAR VALUES AROUND 30 KT AND 0-3 KM SRH OF 350-400
   M2/S2. IN ADDITION...THE MCS HAS SHOWN A TENDENCY TO PRODUCE
   WELL-DEVELOPED SHORT BOWING LINE-SEGMENTS. WITH ENELY MOTIONS OF
   ABOUT 30 KT AND 30-35 KT OF FLOW JUST ABOVE THE SFC...WIND DAMAGE
   SHOULD ALSO BE A THREAT EARLY THIS AFTERNOON. THE NRN MOST PART OF
   THE LINE MAY ALSO AFFECT SRN SC...HOWEVER INSTABILITY IN THIS AREA
   REMAINS WEAK AND A SUBSTANTIAL SEVERE THREAT IS NOT EXPECTED UNTIL
   LATE THIS AFTERNOON.
   
   ..BROYLES.. 04/13/2009
   
   
   ATTN...WFO...CHS...JAX...FFC...TAE...BMX...MOB...
   
   LAT...LON   30428102 29648285 29118493 29448704 30358812 31698788
               32388523 32458135 32718024 31867951 31097946 30428102