Mar 17, 2014 0600 UTC Day 1 Convective Outlook

DAY 1 CONVECTIVE OUTLOOK  

   NWS STORM PREDICTION CENTER NORMAN OK
   1256 AM CDT MON MAR 17 2014

   VALID 171200Z - 181200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE FL
   PENINSULA...

   ...SYNOPSIS...
   PROGRESSIVE/SPLIT UPPER FLOW WILL PREVAIL OVER THE CONUS THROUGH
   TONIGHT. RELATED TO THE PRIMARY CONVECTIVE POTENTIAL FOR THE
   PERIOD...A POSITIVE-TILT UPPER TROUGH OVER THE TX COAST/LOWER MS
   VALLEY WILL SHIFT EASTWARD/BECOME MORE PROGRESSIVE AS IT CROSSES THE
   GULF OF MEXICO THIS AFTERNOON/EVENING...REACHING THE FL PENINSULA
   LATE TONIGHT. 

   AN ADDITIONAL UPPER TROUGH CURRENTLY OVER THE PACIFIC NORTHWEST IS
   EXPECTED TO STEADILY AMPLIFY/DIG SOUTHEASTWARD OVER THE
   NORTHERN/CENTRAL ROCKIES AND ADJACENT HIGH PLAINS THROUGH TONIGHT.
   ALTHOUGH BUOYANCY WILL BE WEAK...STEEPENING LAPSE RATES IN THE
   PRESENCE OF AMPLE DPVA WILL ACCOUNT FOR ISOLATED TSTM POTENTIAL
   ACROSS THE NORTH-CENTRAL HIGH PLAINS...PARTICULARLY THIS
   AFTERNOON/EVENING.