Categorical Graphic
Probabilistic Graphic
Probability of severe weather within 25 miles of a point. Hatched Area: 10% or greater probability of significant severe within 25 miles of a point.

   SPC AC 310533
   
   DAY 3 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1233 AM CDT MON OCT 31 2011
   
   VALID 021200Z - 031200Z
   
   ...SYNOPSIS AND DISCUSSION...
   A PROGRESSIVE AND AMPLIFIED UPPER AIR PATTERN WILL PERSIST ON
   WED...WITH ONE STRONG TROUGH MOVING ACROSS THE CNTRL PLAINS INTO THE
   MS/OH VALLEY...AND ANOTHER ONE MOVING INTO THE PACIFIC NW BY THU
   MORNING.
   
   THE PRESENCE OF HIGH PRESSURE OVER THE ERN U.S. WILL MAKE FOR POOR
   RETURN MOISTURE FLOW TRAJECTORIES AHEAD OF THE FIRST TROUGH. STRONG
   LIFT WILL EXIST ALONG A COLD FRONT AS IT PROGRESSES TO A CNTRL TX TO
   CNTRL IL LINE BY 00Z. FORECAST SOUNDINGS SHOW VERY LITTLE IN THE WAY
   OF INSTABILITY...BUT HIGHLY ELEVATED CONVECTION MAY OCCUR OVER ERN
   KS...NERN OK...AND INTO WRN MO WITH NO SEVERE THREAT. THIS WILL
   LIKELY OCCUR EARLY IN THE DAY.
   
   TO THE W...A STRONG COLD FRONT WILL APPROACH THE WA/ORE AND NRN CA
   COASTS FROM N TO S AFTER 00Z. INSTABILITY WILL ALSO BE VERY WEAK
   HERE...WITH ANY LIGHTNING STRIKES LIKELY TO REMAIN OFFSHORE.
   
   ..JEWELL.. 10/31/2011
   
   CLICK TO GET WUUS03 PTSDY3 PRODUCT

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