MESOSCALE DISCUSSION 1589
   NWS STORM PREDICTION CENTER NORMAN OK
   0656 PM CDT THU JUL 16 2009
   
   AREAS AFFECTED...NORTHEAST OK/FAR SOUTHEAST KS/SOUTHWEST
   MO/NORTHWEST AR
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 588...
   
   VALID 162356Z - 170100Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 588
   CONTINUES.
   
   SEVERE TSTM WATCH 588 CONTINUES UNTIL 03Z...BUT OVERALL SEVERE
   THREAT APPEARS TO BE DIMINISHING WITHIN WW 588 AND CANCELLATION
   PRIOR TO 03Z SEEMS LIKELY.
   
   A FEW STRONG/SEVERE TSTMS CONTINUE TO SPREAD SOUTH-SOUTHEASTWARD
   ALONG THE MO/AR BORDER EARLY THIS EVENING...WITH AN ISOLATED SEVERE
   THREAT EXPECTED TO CONTINUE ACROSS NORTH CENTRAL AR IN THE SHORT
   TERM. WHILE THE PRIMARY SYNOPTIC FRONT WILL CONTINUE TO DEVELOP
   SOUTHWARD THIS EVENING...ADDITIONAL VIGOROUS DEVELOPMENT SEEMS
   UNLIKELY IN THE PRESENCE OF STABILIZING IMPACTS OF EARLIER
   CONVECTION/OUTFLOW AND ONSET OF NORTHERLY SURFACE FLOW. THUS...THE
   OVERALL SEVERE THREAT IS EXPECTED TO CONTINUE TO WANE ACROSS WW 588
   THIS EVENING...AND CANCELLATION PRIOR TO 03Z SEEMS PRUDENT.
   
   ..GUYER.. 07/16/2009
   
   
   ATTN...WFO...LSX...LZK...SGF...TSA...ICT...
   
   LAT...LON   36539632 37919401 37899150 35729182 35469591 36539632