MESOSCALE DISCUSSION 0944
   NWS STORM PREDICTION CENTER NORMAN OK
   0142 AM CDT FRI JUN 01 2007
   
   AREAS AFFECTED...SERN KS/NERN OK
   
   CONCERNING...HEAVY RAINFALL 
   
   VALID 010642Z - 010845Z
   
   TRAINING TSTMS PRODUCING HEAVY RAINFALL RATES OF 1.5-2.0 INCHES PER
   HOUR ARE LIKELY ACROSS SERN KS/NERN OK DURING THE NEXT 2-3 HOURS
   THROUGH 09-10Z.
   
   THE SWRN EXTENT OF THE KS BOW ECHO/MCS HAS SLOWED ITS EWD
   PROGRESSION AND BECOME ORIENTED E-W ACROSS SOUTH CENTRAL/SERN KS
   FROM SUMNER TO ELK COUNTIES KS.  MEANWHILE...NRN EXTENT OF BOW ECHO
   MOVING EWD ACROSS NRN OK/FAR SRN KS AT THIS TIME WILL CONTINUE EWD
   INTO THE FAR SERN KS/NERN OK COUNTIES ALONG SRN EXTENT OF KS MCS. 
   THIS SCENARIO COMBINED WITH WAA TSTMS CURRENTLY DEVELOPING AHEAD OF
   BOW ECHOS FROM NEAR PNC NEWD INTO SERN KS WILL RESULT IN HEAVY
   RAINFALL RATES OCCURRING OVER THE SAME LOCATIONS FOR 2-3 HOURS.
   
   REGIONAL VADS/PROFILERS SHOWED A 50 KT SLY LLJ IMPINGING ON THE NRN
   OK AND KS MCS/S AND THUS WILL SUPPORT CONTINUED WAA AND INFLOW OF A
   MOIST/UNSTABLE AIR MASS INTO SRN/SERN KS AND NRN/NERN OK FOR THE
   NEXT SEVERAL HOURS.  PRECIPITABLE WATER VALUES OF 1.2-1.4 INCHES
   RESIDING OVER THIS REGION WILL SUPPORT THE HEAVY RAINFALL RATES.
   
   ..PETERS.. 06/01/2007
   
   
   ATTN...WFO...SGF...TSA...ICT...OUN...
   
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