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Mesoscale Discussion 85
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   Mesoscale Discussion 0085
   NWS Storm Prediction Center Norman OK
   0616 AM CST Wed Feb 12 2025

   Areas affected...Southern and Central Missouri...South-central
   Illinois

   Concerning...Winter mixed precipitation 

   Valid 121216Z - 121815Z

   SUMMARY...A mix of freezing rain, sleet and snow will be likely this
   morning across parts of southwest Missouri east-northeastward into
   south-central Illinois. Precipitation rates could exceed 0.05 inches
   per hour.

   DISCUSSION...A mid-level trough is currently analyzed across the
   southern Rockies. Ahead of the trough, an area of precipitation is
   ongoing within a zone of increasing large-scale ascent from the
   eastern portions of the southern Plains into the Ozarks. Surface
   temperatures are in the lower 30s F across most of Southwest
   Missouri extending northeastward to the vicinity of St Louis. 

   Several RAP forecast soundings within this corridor have a warm nose
   in the mid-levels between 700 and 800 mb, with temperatures near 0
   C. This warm layer will result in a mix of precipitation types.
   Freezing rain, sleet and snow will be possible as this area of
   precipitation spreads northeastward. Precipitation across
   southeastern Missouri, where the warm nose is more pronounced, will
   be mostly freezing rain, while further to the north across
   north-central Missouri, snow is expected to predominant. Locally,
   heavy snowfall rates will be possible with the more intense bands.

   ..Broyles/Mosier.. 02/12/2025

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

   ATTN...WFO...PAH...ILX...LSX...LZK...SGF...TSA...

   LAT...LON   37439445 37949410 38379308 39059130 39499012 39608925
               39428885 39218868 38998854 38628858 38198887 37828955
               37519019 37129131 36499328 36529407 37059451 37439445 

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Page last modified: February 12, 2025
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