SPC AC 270833
   
   DAY 3 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0333 AM CDT SAT SEP 27 2003
   
   VALID 291200Z - 301200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SRN HIGH PLAINS...
   ETA AND GFS ARE CONSISTENT IN MAINTAINING LOW LEVEL WAA AND
   RESULTANT ELEVATED CONVECTION OVER THE TX PANHANDLE REGION.  THOUGH
   THE GFS IS MORE VIGOROUS THAN THE ETA...FORECAST SOUNDINGS FROM BOTH
   MODELS YIELD FAIRLY STEEP MID LEVEL LAPSE RATES OVER FAR ERN NM AND
   WRN TX.  NWLY MID LEVEL WINDS WILL SLOWLY INCREASE OVER THIS AREA AS
   A SERIES OF SPEED MAXIMA MOVE ACROSS THE CENTRAL PLAINS AND INTO
   BASE OF DEEP LONGWAVE TROUGH AXIS OVER THE MID WEST.  THOUGH MOST OF
   THE THUNDERSTORMS ARE EXPECTED TO BE SUB-SEVERE WITHIN ONLY MARGINAL
   INSTABILITY AND MODEST DEEP LAYER SHEAR...A FEW STRONGER CELLS NEAR
   INITIATING REGION OVER THE TX PANHANDLE/WRN TX REGION MAY PRODUCE
   ISOLATED SEVERE HAIL DUE TO PROXIMITY OF STEEPER LAPSE RATES. 
   THUS...WILL FORECAST LOW PROBABILITIES OF SEVERE OVER THIS REGION
   ATTM.
   
   ..EVANS.. 09/27/2003
   
   ...NOTICE...
   FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
   LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
   GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
   HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
   INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
   
   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED FOR 1200Z