SPC AC 120720
   
   DAY 3 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0220 AM CDT TUE MAR 12 2013
   
   VALID 141200Z - 151200Z
   
   ...NO TSTM AREAS FORECAST...
   
   AN UPPER-LEVEL RIDGE IS FORECAST TO BE IN PLACE ACROSS THE
   INTERMOUNTAIN WEST ON THURSDAY. THE MODELS GRADUALLY INCREASE
   MID-LEVEL FLOW OVER THE TOP OF THE UPPER-LEVEL RIDGE DURING THE DAY.
   THIS SHOULD ADVECT COOLER MID-LEVEL TEMPS INTO THE NRN ROCKIES
   THURSDAY AFTERNOON WHICH IN TURN SHOULD STEEPEN MID-LEVEL LAPSE
   RATES. AS A RESULT...ISOLATED THUNDERSTORMS COULD DEVELOP IN THE NRN
   ROCKIES OR PACIFIC NORTHWEST THURSDAY AFTERNOON. LARGE-SCALE ASCENT
   IS FORECAST TO BE WEAK AT THE TOP OF THE UPPER-LEVEL RIDGE
   SUGGESTING CONVECTIVE COVERAGE WILL REMAIN VERY ISOLATED PROBABLY
   REMAINING BELOW THE 10 PERCENT THUNDER THRESHOLD.
   
   ..BROYLES.. 03/12/2013
   
   CLICK TO GET WUUS03 PTSDY3 PRODUCT

   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z