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Mesoscale Discussion 1707
MD 1707 graphic
   SPC MESOSCALE DISCUSSION 1707 FOR PORTIONS OK PANHANDLE AND KS
   CONCERNING...HEAVY RAINFALL...SEVERE THUNDERSTORM WATCH 608. ...
   
   VALID 160056Z - 160330Z
   
   EXPECT CONVECTIVE COVERAGE/INTENSITY TO INCREASE FROM SWRN KS ENEWD
   INVOF FRONT TO NERN KS THROUGH ABOUT 03Z WITH ISOLATED DAMAGING
   WIND AND LARGE HAIL POSSIBLE.  THREAT SHOULD DIMINISH CONSIDERABLY
   WITH SIGNIFICANT LOSS OF SBCAPE-DRIVING DIURNAL HEATING AFTER ABOUT
   04Z. 
   
   EXPECT GREATEST CONVECTIVE POTENTIAL AND SEVERE PROBABILITIES TO
   REMAIN INVOF FRONT WHERE LOW LEVEL FORCING IS MAXIMIZED. 
   HENCE...THREAT FOR MUCH OF SERN PORTION OF ORIGINAL WW HAS
   DIMINISHED SUCH THAT WW NO LONGER NECESSARY FOR PORTIONS S-CENTRAL
   KS AND N-CENTRAL/NWRN OK E OF PANHANDLE.  ADDITIONAL TOWERS EVIDENT
   VIA VIS IMAGERY -- BENEATH CIRRUS IN OK PANHANDLE.  FURTHER
   DEVELOPMENT IS POSSIBLE ALL ALONG KS/OK SEGMENT OF FRONT IN
   ENVIRONMENT OF 3500-5000 MLCAPE AS DERIVED FROM TOP/DDC RAOBS AND
   RUC2 FORECAST SOUNDINGS.  WEAK LOW-MID LEVEL WINDS INDICATE
   INDIVIDUAL TSTM CLUSTERS WILL BECOME OUTFLOW DOMINANT AND WEAKEN
   WITHIN 2-3 HOURS AFTER DARK.  MEANWHILE...STORM MOTIONS SHOULD
   REMAIN VERY SLOW...WITH POTENTIAL FOR LOCALLY HEAVY RAIN RATES 1.5-
   2.5 INCHES/HOUR FROM MOST INTENSE CORES OVER KS.  INFLOW MOISTURE
   WILL REMAIN ABUNDANT WITH 70S F SURFACE DEW POINTS AND 1.5-2 INCH
   PW.
   
   ..EDWARDS.. 08/16/02
   
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