Feb 11, 2021 0830 UTC Day 3 Severe Thunderstorm Outlook
Updated: Thu Feb 11 07:20:57 UTC 2021 (20210211 0830Z Day 3 shapefile | 20210211 0830Z Day 3 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20210211 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
20210211 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 110720

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0120 AM CST Thu Feb 11 2021

   Valid 131200Z - 141200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

   ...SUMMARY...
   Severe thunderstorms are not forecast on Saturday.

   ...Synopsis...

   The arctic intrusion across much of the CONUS will persist on
   Saturday. An upper shortwave trough over the southern
   Rockies/northern Mexico will pivot eastward toward east TX and the
   western Gulf. This will maintain a warm advection regime over parts
   of the Southeast. At the surface, a wavy front will extend from/near
   the Carolinas coast westward to the GA/AL/FL border, then southwest
   across the northwestern Gulf Saturday morning. Stronger surface
   cyclogenesis is forecast to occur offshore the Mid-Atlantic coast
   Saturday evening, and the front will sag south/southeast to far
   southeast GA/northern FL by Sunday morning. 

   Surface heating across FL, where dewpoints in the 60s F will be in
   place, will result in weak destabilization amid modest shear and
   steepening low level lapse rates. This could result in a couple of
   stronger storms across parts of the northern/central FL Peninsula
   during the afternoon and evening. However, overall severe potential
   is expected to be limited by poor midlevel lapse rates and weak
   low-level winds.

   ..Leitman.. 02/11/2021

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