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Mesoscale Discussion 54
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   Mesoscale Discussion 0054
   NWS Storm Prediction Center Norman OK
   1052 PM CST Tue Jan 21 2025

   Areas affected...portions of southern Georgia into northern Florida

   Concerning...Winter mixed precipitation 

   Valid 220452Z - 220745Z

   SUMMARY...A wintry mix should continue into the early morning hours,
   with instances of moderate snow, sleet, and perhaps freezing rain
   expected.

   DISCUSSION...A belt of strong 700 mb warm-air and moisture advection
   is overspreading southern GA into northern FL in response to a
   rapidly approaching mid-level trough. While RAP forecast soundings
   suggest that much of the vertical profile below 600 mb may be above
   freezing at several locales, 04Z mesoanalysis shows strong
   surface-850 mb CAA impinging on the GA/FL border, where MRMS mosaic
   radar data shows bright banding taking place, and where surface
   observations indicate snow, sleet, and freezing rain becoming the
   predominant precipitation modes. Continued CAA should result in
   wintry mixed precipitation overspreading the rest of far northern FL
   and continuing into the early morning hours, in agreement with the
   latest high-resolution guidance consensus.

   ..Squitieri.. 01/22/2025

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...CHS...TBW...JAX...FFC...TAE...

   LAT...LON   30098570 31238420 32128278 32368214 32338142 32108105
               31578124 30628151 30258180 29858245 29578288 29478315
               29518334 29828369 30018395 29908428 29718461 29608484
               29588509 29668539 30098570 

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