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Mesoscale Discussion 364
MD 364 graphic
   
   MESOSCALE DISCUSSION 0364
   NWS STORM PREDICTION CENTER NORMAN OK
   0606 PM CST THU APR 03 2003
   
   AREAS AFFECTED...SWRN AND CENTRAL OK...NW TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 83...
   
   VALID 040006Z - 040130Z
   
   PARAMETERS REMAIN FAVORABLE FOR STORM ROTATION OVER SWRN INTO
   CENTRAL OK WITH ANY SUSTAINED UPDRAFTS.  LARGE HAIL IS THE
   PRIMARY THREAT.
   
   REGIONAL RADARS SHOW A SEVERE STORM OVER FAR ERN KIOWA COUNTY
   MOVING INTO SRN CADDO COUNTY.  MESO-ANALYSES OVER THE LAST FEW
   HOURS INDICATE THAT THE DRY LINE HAS REMAINED QUASI-STATIONARY
   OVER FAR WRN OK...WITH A MODERATELY UNSTABLE AIR MASS EWD INTO
   CENTRAL OK.  WIND PROFILERS SHOW LOW-LEVEL FLOW OVER
   OK/CENTRAL-ERN KS HAS BACKED TO A MORE SLY DIRECTION DURING THE
   LAST 2-3 HOURS...AS AN UPPER TROUGH MOVES INTO THE OK/TX
   PANHANDLES AND WRN KS.	THIS HAS INCREASED THE LOW-MID
   DIRECTIONAL SHEAR...AND COMBINED WITH STRONG DEEP LAYER
   SHEAR...THE SEVERE STORM MOVING INTO CENTRAL OK IS EXPECTED TO
   REMAIN A SUPERCELL FOR THE NEXT 1-2 HOURS.
   
   ..PETERS.. 04/04/2003
   
   
   ATTN...WFO...FWD...OUN...SJT...
   
   35779988 35819843 35809728 34549700 33059682 32999820
   33059933 34299959 
   
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