MESOSCALE DISCUSSION 1087
   NWS STORM PREDICTION CENTER NORMAN OK
   0800 PM CDT FRI JUN 12 2009
   
   AREAS AFFECTED...MIDDLE TN AND NORTHERN/CENTRAL AL INTO GA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 389...393...
   
   VALID 130100Z - 130230Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   389...393...CONTINUES.
   
   SEVERE TSTM WATCHES 389/393 CONTINUE UNTIL 03Z/05Z
   RESPECTIVELY...WITH PRIMARY RISK FOR DAMAGING WINDS ESPECIALLY
   ACROSS CENTRAL AL /INCLUDING THE BIRMINGHAM VICINITY/ IN THE SHORT
   TERM.
   
   SEVERE MCS/RESIDUAL BOW CONTINUES TO STEADILY PROGRESS
   EAST-SOUTHEASTWARD ACROSS SOUTHERN MIDDLE TN AND NORTH
   CENTRAL/NORTHWEST AL AND FAR EAST CENTRAL MS AS OF 0045Z. SOME
   DECELERATION HAS TENDED TO OCCUR WITH THE MCS...BUT NEVERTHELESS...A
   RATHER STRONG SURFACE COLD POOL/FORWARD MOMENTUM WILL CONTINUE TO
   SUSTAIN A DISTINCT DAMAGING WIND THREAT /ALONG WITH AN ISOLATED
   TORNADO AND SOME HAIL RISK/...MAINLY ACROSS CENTRAL AL OVER THE NEXT
   FEW HOURS. A RESIDUALLY MOIST/UNSTABLE BOUNDARY LAYER REMAINS AHEAD
   OF THE MCS...WITH JACKSON MS AND ATLANTA GA 00Z OBSERVED RAOBS
   REFLECTING AMPLE INSTABILITY /2500+ J PER KG MUCAPE/ AND DRY AIR
   ALOFT/THETA-E DIFFERENTIAL CONDUCIVE FOR CONTINUED DAMAGING WIND
   POTENTIAL OVER THE NEXT FEW HOURS. DOWNSTREAM PORTIONS OF GA ARE
   BEING MONITORED FOR AN ADDITIONAL SEVERE TSTM WATCH.
   
   ..GUYER.. 06/13/2009
   
   
   ATTN...WFO...MRX...FFC...TAE...OHX...BMX...HUN...MOB...JAN...
   
   LAT...LON   35528763 35568628 33728399 31378446 32458913 33968767
               35528763