SPC AC 041719

   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1119 AM CST TUE MAR 04 2014

   VALID 051200Z - 061200Z

   ...NO SVR TSTM AREAS FORECAST...

   ...SYNOPSIS...

   A LOW AMPLITUDE PROGRESSIVE SYNOPTIC PATTERN WILL PERSIST THROUGH
   WEDNESDAY. SHORTWAVE TROUGH NOW OVER THE SRN PLAINS WILL DEAMPLIFY
   WEDNESDAY MORNING AS IT CONTINUES THROUGH THE REMAINDER OF THE SERN
   STATES. VORT MAX CURRENTLY MOVING INTO THE GREAT BASIN IS FORECAST
   TO AMPLIFY AS IT ADVANCES THROUGH THE SRN PLAINS DURING THE DAY AND
   LOWER MS VALLEY WEDNESDAY NIGHT.

   ...GULF COASTAL AREA THROUGH NRN FL...

   QUASI-STATIONARY FRONT WILL PERSIST OVER THE NRN GULF AND MAY LIFT
   SLOWLY NWD WEDNESDAY NIGHT AS A WEAK SFC LOW DEVELOPS ALONG THE
   FRONT IN RESPONSE TO FORCING ASSOCIATED WITH AMPLIFYING SRN STREAM
   SHORTWAVE TROUGH. IN RESPONSE TO LEAD IMPULSE...AREAS OF SHOWERS AND
   POSSIBLY A FEW THUNDERSTORMS WILL LIKELY BE ONGOING OVER THE NERN
   GULF EXTENDING INLAND ACROSS THE FL PANHANDLE AND SRN GA WITH MOST
   THUNDERSTORM ACTIVITY REMAINING OFFSHORE. A BETTER CHANCE FOR
   ELEVATED THUNDERSTORMS INLAND WILL OCCUR OVERNIGHT AS STEEPER
   MID-LEVEL LAPSE RATES ADVECT EWD ABOVE MODEST LOW-LEVEL MOISTURE
   TRANSPORT AND ISENTROPIC ASCENT ASSOCIATED WITH THE APPROACHING SRN
   STREAM SHORTWAVE TROUGH.  

   ...NRN CA THROUGH PACIFIC NW COAST...

   UPPER TROUGH ACCOMPANIED BY A BROAD UPPER JET WILL MOVE THROUGH THE
   PACIFIC NW AREA WEDNESDAY EVENING AND OVERNIGHT. COLD AIR ALOFT AND
   STEEP MID-LEVEL LAPSE RATES WILL SPREAD INLAND...ESPECIALLY ALONG
   AND NORTH OF THE UPPER JET AXIS CONTRIBUTING TO WEAK INSTABILITY.
   SCATTERED CONVECTION WITH ISOLATED LIGHTNING STRIKES WILL BECOME
   POSSIBLE...ESPECIALLY FROM LATE AFTERNOON THROUGH THE EVENING.

   ..DIAL.. 03/04/2014

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   NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z