MESOSCALE DISCUSSION 2164
   NWS STORM PREDICTION CENTER NORMAN OK
   0907 PM CDT THU OCT 29 2009
   
   AREAS AFFECTED...SRN AR...WRN LA...SE TX
   
   CONCERNING...HEAVY RAINFALL 
   
   VALID 300207Z - 300300Z
   
   THE THREAT FOR HEAVY RAINFALL SHOULD CONTINUE ACROSS SRN AR...WRN LA
   AND SE TX TONIGHT. RAINFALL RATES OF UP TO 1 TO 2 INCHES PER HOUR
   WILL BE POSSIBLE WITH THE MORE INTENSE CELL ELEMENTS WITHIN THE
   HEAVIER RAINBANDS.
   
   A NEARLY CONTINUOUS LINE OF THUNDERSTORMS IS ONGOING FROM SRN AR
   EXTENDING SSWWD TO JUST EAST OF SHREVEPORT INTO THE HOUSTON AREA.
   THIS BAND OF THUNDERSTORMS WILL CONTINUE EWD INTO A VERY MOIST
   AIRMASS WHERE SFC DEWPOINTS ARE IN THE LOWER TO MID 70S F. IN
   ADDITION TO THE MOIST BOUNDARY LAYER...THE LATEST GPS PW DATA SHOWS
   PRECIPITABLE WATER VALUES AS HIGH AS 2.25 INCHES ACROSS WRN LA. THIS
   COMBINED WITH RATHER SLOW ENEWD STORM MOTIONS SHOULD SUPPORT VERY
   HEAVY RAINFALL. THE THREAT SHOULD CONTINUE THROUGH MUCH OF THE NIGHT
   AND MAY REACH CNTRL LA IN THE 09Z TO 12Z TIMEFRAME.
   
   ..BROYLES.. 10/30/2009
   
   
   ATTN...WFO...LZK...LCH...SHV...HGX...
   
   LAT...LON   34789169 34999197 34999222 34819259 34349293 33609347
               32759390 31489440 30359530 29839558 29599534 29719480
               30189406 30729354 31609300 33159234 33969197 34789169