SPC AC 121235
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0635 AM CST SUN FEB 12 2012
   
   VALID 121300Z - 131200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   A MID/UPPER-LEVEL TROUGH EXTENDING FROM THE GREAT BASIN TO THE LOWER
   CO RIVER VALLEY WILL PROGRESS EWD TOWARD THE HIGH PLAINS. COLD
   MID-LEVEL TEMPERATURES /-25C TO -23C AT 500 MB/ WILL SUPPORT
   SUFFICIENTLY STEEP LAPSE RATES IN THE PRESENCE OF MODEST MID-LEVEL
   MOISTURE AND ASCENT /AUGMENTED BY OROGRAPHIC EFFECTS/ FOR ISOLATED
   THUNDERSTORMS FROM UT AND NRN/ERN AZ INTO THE SRN/CNTRL ROCKIES
   DURING THE DAY.
   
   MEANWHILE...SFC PRESSURE FALLS IN THE LEE OF THE ROCKIES WILL
   CONTINUE THROUGH THE PERIOD...OWING TO THE EWD MOTION OF A BROAD
   ANTICYCLONE OVER THE CNTRL/ERN STATES AND THE WLY COMPONENT OF THE
   MID-LEVEL FLOW ACROSS THE ROCKIES. A SFC TROUGH AND LOW WILL BECOME
   BETTER DEFINED OVER THE CNTRL/SRN HIGH PLAINS...ESPECIALLY LATE IN
   THE PERIOD...AS A MID-LEVEL JET STREAK IN THE BASE OF THE
   AFOREMENTIONED TROUGH CROSSES THE SWRN STATES AND SRN ROCKIES BEFORE
   APPROACHING TX. AS THIS OCCURS...A LLJ WILL STRENGTHEN OVER THE
   CNTRL/SRN PLAINS AND PROMOTE ABUNDANT MOISTURE ADVECTION AND WAA
   ATOP A SFC-BASED COLD LAYER. WITH STEEPENING MID-LEVEL LAPSE
   RATES...SUFFICIENT ELEVATED INSTABILITY WILL EXIST IN THE PRESENCE
   OF ISENTROPIC ASCENT FOR A FEW THUNDERSTORMS THIS EVENING AND
   TONIGHT ACROSS WRN/CNTRL TX AND SERN NM.
   
   ..COHEN/MEAD.. 02/12/2012
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1630Z