Dec 9, 2014 0830 UTC Day 3 Severe Thunderstorm Outlook
Updated: Tue Dec 9 07:56:29 UTC 2014 (20141209 0830Z Day 3 shapefile | 20141209 0830Z Day 3 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20141209 0830 UTC Day 3 Outlook Graphic
Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Graphic
20141209 0830 UTC Day Probabilitic 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.
Prob. Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   SPC AC 090756

   DAY 3 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0156 AM CST TUE DEC 09 2014

   VALID 111200Z - 121200Z

   ...NO SVR TSTM AREAS FORECAST...

   ...SUMMARY...
   ISOLATED THUNDERSTORMS MAY DEVELOP ALONG PARTS OF THE PACIFIC COAST.

   ...PACIFIC COAST...

   STRONG MID-LEVEL HEIGHT FALLS WILL SPREAD INLAND AS PRIMARY JET CORE
   SAGS SEWD ACROSS THE STATE OF CA.  SIGNIFICANT COOLING ALOFT AND
   ONSHORE BOUNDARY-LAYER FLOW SHOULD CONTRIBUTE TO WEAK
   DESTABILIZATION SUCH THAT LOW-TOPPED CONVECTION IS EXPECTED WITHIN
   POST-FRONTAL ENVIRONMENT.  WHILE CONVECTION WILL INITIALLY BE
   ELEVATED WITHIN WARM CONVEYOR...MAIN THREAT FOR LIGHTNING SHOULD BE
   WITH SFC-BASED CONVECTION TOWARD 12/00Z.

   ..DARROW.. 12/09/2014

   CLICK TO GET WUUS03 PTSDY3 PRODUCT

   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0830Z