Storm Prediction Center Jan 23, 2009 1630 UTC Day 1 Convective Outlook


Jan 23, 2009 1630 UTC Day 1 Convective Outlook
Updated: Fri Jan 23 15:48:11 UTC 2009
Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).

Categorical Graphic

Probabilistic Tornado Graphic


Probabilistic Damaging Wind Graphic


Probabilistic Large Hail Graphic

   SPC AC 231544
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0944 AM CST FRI JAN 23 2009
   
   VALID 231630Z - 241200Z
   
   ...NO TSTM AREAS FORECAST...
   
   WITH THE PRIMARY UPPER TROUGH REMAINING OFF THE WEST COAST THRU THE
   FORECAST PERIOD ONLY WEAK PERTURBATIONS AND MINIMAL COLD AIR
   ADVECTION EXPECTED TO AFFECT CA THRU 12Z SAT. CURRENTLY AIR MASS IS
   MOIST IN THE SWLY FLOW ACROSS NRN/CENTRAL CA WITH THE COMBINATION OF
   UPSLOPE AND LARGE ASCENT FAVORING THE CONTINUATION OF SHOWERY
   PRECIPITATION. THERE IS CURRENTLY VERY LITTLE INSTABILITY NOTED ON
   THE 12Z SOUNDINGS AT OAK/VBG AND WITH NO SIGNIFICANT CHANGES NOW
   EXPECTED...ANY LIGHTNING IN THE STRONGER CONVECTION SHOULD REMAIN
   QUITE ISOLATED THRU THE FORECAST PERIOD.
   
   ..HALES.. 01/23/2009
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z