Nov 16, 2009 1730 UTC Day 2 Convective Outlook
Updated: Mon Nov 16 17:10:45 UTC 2009
Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).
Categorical Graphic
20091116 1730 UTC Day 2 Outlook Graphic
Probabilistic Graphic
20091116 1730 UTC Day Probabilitic Graphic
Probability Legend Image
   SPC AC 161709
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1109 AM CST MON NOV 16 2009
   
   VALID 171200Z - 181200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   
   CUTOFF UPPER LOW NOW OVER THE CNTRL PLAINS WILL DRIFT SLOWLY EAST
   INTO THE MID MS VALLEY TUESDAY...WHILE SURFACE LOW OCCLUDES OVER MO.
   FARTHER WEST AN UPPER TROUGH WILL MOVE INTO THE PACIFIC NW
   ACCOMPANIED BY A COLD FRONT.  
   
   ...MID MS VALLEY AND OH VALLEY REGION...
   
   MOISTURE AND INSTABILITY WILL REMAIN LIMITED IN VICINITY OF THE
   UPPER LOW DUE TO THE OCCLUSION PROCESS. A FEW LIGHTNING STRIKES WILL
   BE POSSIBLE DURING THE DAY WHERE COLD AIR ALOFT IS COLLOCATED WITH
   CONVECTION DEVELOPING ALONG WARM CONVEYOR BELT. HOWEVER...COVERAGE
   IS EXPECTED TO REMAIN SPARSE.
   
   ...PACIFIC NW...
   
   ONSHORE FLOW AND STEEPENING LAPSE RATES ACCOMPANYING THE PROGRESSIVE
   UPPER TROUGH MAY RESULT IN SUFFICIENT INSTABILITY FOR ISOLATED
   THUNDERSTORMS...PRIMARILY ALONG THE COAST.
   
   ..DIAL.. 11/16/2009
   
   CLICK TO GET WUUS02 PTSDY2 PRODUCT

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