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 020408
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1108 PM CDT TUE NOV 01 2011
   
   VALID 031200Z - 041200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   A TIGHT UPPER LOW AND TROUGH WILL MOVE FROM MO/AR EWD INTO THE OH/TN
   VALLEY REGION BY 00Z...WEAKENING AS IT APPROACHES THE CAROLINAS BY
   FRI MORNING. A SURFACE LOW WILL ACCOMPANY THIS SYSTEM...AND WILL
   ALSO WEAKEN DURING THE DAY. 
   
   TO THE W...A LARGE AND COLD UPPER TROUGH WILL DEVELOP SWD ALONG THE
   PACIFIC COASTAL STATES WITH A SURFACE LOW TRAVELING SWD JUST OFF THE
   COAST. CONVERGENCE WITH THIS LOW ALONG WITH COOL LAPSE RATE PROFILES
   MAY LEAD TO ISOLATED THUNDERSTORMS...WEAK AND LOW TOPPED AND MAINLY
   OVER THE WATER OR VERY NEAR THE COAST.
   
   ...KY/TN INTO WRN CAROLINAS...
   A GENERALLY DRY AND UNFAVORABLE AIR MASS WILL RESIDE AHEAD OF THIS
   TROUGH IN THE FORM OF HIGH PRESSURE...WITH ONLY A NARROW PLUME OF
   50S F DEWPOINTS ALONG A COLD FRONT THAT WILL BECOME OCCLUDED AND
   WEAKEN OVER THE TN VALLEY. DESPITE VERY STRONG SHEAR
   PROFILES...INSTABILITY WILL BE SO WEAK THAT EVEN GENERAL
   THUNDERSTORMS MAY BE QUITE ISOLATED. THE BEST CHANCE OF A FEW
   LIGHTNING STRIKES APPEARS TO BE BENEATH THE UPPER LOW CENTER WHERE A
   COLD POCKET WILL MAXIMIZE ELEVATED INSTABILITY.
   
   ..JEWELL.. 11/02/2011
   
   CLICK TO GET WUUS02 PTSDY2 PRODUCT

   NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z