MESOSCALE DISCUSSION 1205
   NWS STORM PREDICTION CENTER NORMAN OK
   0726 PM CDT TUE JUN 19 2007
   
   AREAS AFFECTED...SRN LA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 422...
   
   VALID 200026Z - 200130Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 422
   CONTINUES.
   
   THREAT FOR ISOLATED DAMAGING WIND WILL PERSIST NEXT HOUR OR TWO AS
   STORMS ADVANCE SWD THROUGH THE REMAINDER OF SERN LA. WW 422 WILL
   EXPIRE AT 02Z. ANOTHER WW BEYOND THIS TIME WILL LIKELY NOT BE NEEDED
   FOR THIS AREA.
   
   A LINEAR MCS WITH AN EXTENSIVE TRAILING COLD POOL EXTENDS FROM OFF
   THE SERN LA COAST NWWD THROUGH SRN LA. MOMENTUM ASSOCIATED WITH THE
   TRAILING COLD POOL...NWLY FLOW ALOFT AND SLY BOUNDARY LAYER FLOW
   SHOULD MAINTAIN FORWARD PROPAGATION OVER SERN LA NEXT COUPLE HOURS.
   ERN PORTION OF THE LINE IS MOVING MORE RAPIDLY SWD...BUT PORTION
   ACROSS S CNTRL LA IS MOVING MORE SLOWLY AT AROUND 15 KT. FARTHER
   WEST...THE LINE IS NEARLY STATIONARY OVER SWRN LA NEAR FORT POLK AND
   WILL POSE A THREAT FOR VERY HEAVY RAIN. BASED ON THE CURRENT MOTION
   ACROSS SERN LA...THE MCS WILL HAVE CLEARED THE REMAINDER OF WW 422
   BY 02Z.
   
   ..DIAL.. 06/20/2007
   
   
   ATTN...WFO...LIX...LCH...
   
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