Dec 12, 2021 0830 UTC Day 3 Severe Thunderstorm Outlook
Updated: Sun Dec 12 07:22:36 UTC 2021 (20211212 0830Z Day 3 shapefile | 20211212 0830Z Day 3 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20211212 0830 UTC Day 3 Outlook Graphic
Day 3 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Graphic
20211212 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.
Day 3 Prob. Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   SPC AC 120722

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0122 AM CST Sun Dec 12 2021

   Valid 141200Z - 151200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

   ...SUMMARY...
   Isolated non-severe thunderstorms will be possible on Tuesday along
   parts of the West Coast, and across the southern and eastern Florida
   Peninsula.

   ...DISCUSSION...
   An upper-level trough will approach the West Coast on Tuesday as
   southwest mid-level flow remains over much of the western and
   central U.S. Isolated lightning strikes may occur along the coasts
   of Washington, Oregon and California as the upper-level trough
   approaches. Additional thunderstorm activity may develop Tuesday
   afternoon across parts of the southern and eastern Florida
   Peninsula. No severe weather is expected across the continental
   United States on Tuesday and Tuesday night.

   ..Broyles.. 12/12/2021

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