MESOSCALE DISCUSSION 1730
   NWS STORM PREDICTION CENTER NORMAN OK
   0422 PM CDT TUE JUL 08 2008
   
   AREAS AFFECTED...NERN MO...CNTRL IL...W-CNTRL IND
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 670...
   
   VALID 082122Z - 082215Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 670
   CONTINUES.
   
   AS OF 2115Z...A QLCS STRETCHED FROM AROUND LOGAN COUNTY IL TO W/SWWD
   BOONE COUNTY MO. OVERALL ORIENTATION HAS REMAINED ROUGHLY PARALLEL
   TO THE MEAN WLY FLOW WHICH LIKELY HAS MITIGATED A MORE SUBSTANTIAL
   SEVERE WIND THREAT...DESPITE MODERATE INSTABILITY AND AROUND 30-35
   KT LOW-LEVEL FLOW. WITH PW VALUES NEAR 2 INCHES AND POOR MID-LEVEL
   LAPSE RATES...THE MAIN THREATS WILL CONTINUE TO BE HEAVY RAIN AND
   LOCALIZED WET MICROBURSTS WITHIN TRAINING CELLS. ATTM...AN
   ADDITIONAL WW IS NOT ANTICIPATED DOWNSTREAM OF WW 670...HOWEVER
   CONVECTIVE TRENDS WILL BE MONITORED.
   
   ..GRAMS.. 07/08/2008
   
   
   ATTN...WFO...IND...LOT...ILX...LSX...EAX...
   
   38529203 38959270 39359222 39879060 40138961 40468862
   40458736 40398672 40068621 39718618 39378626 39088684
   38778831 38628942