TZUTC: 0000   
   MSGID: 167586.weather@1:2320/105 2da54e81   
   PID: Synchronet 3.21a-Linux master/123f2d28a Jul 12 2025 GCC 12.2.0   
   TID: SBBSecho 3.28-Linux master/123f2d28a Jul 12 2025 GCC 12.2.0   
   BBSID: CAPCITY2   
   CHRS: ASCII 1   
   FORMAT: flowed   
   ACUS11 KWNS 131544   
   SWOMCD   
   SPC MCD 131543=20   
   INZ000-ILZ000-IAZ000-131945-   
      
   Mesoscale Discussion 2258   
   NWS Storm Prediction Center Norman OK   
   0943 AM CST Sat Dec 13 2025   
      
   Areas affected...far southeast IA...central IL...amd west-central IN   
      
   Concerning...Heavy snow=20   
      
   Valid 131543Z - 131945Z   
      
   SUMMARY...A band of moderate to heavy snow with bursts of rates   
   around 1 inch per hour expected through around 20Z.   
      
   DISCUSSION...The latest mosaic radar data and surface observations   
   depict a swath of moderate to locally heavy snow spreading eastward   
   across eastern IA, central IL, and western IN. As strengthening DCVA   
   preceding an embedded midlevel perturbation (evident in water-vapor   
   imagery) continues spreading eastward into IL over the next couple   
   hours, an uptick in the coverage of heavy snowfall rates can be   
   expected. This increase should generally focus in an east/west   
   corridor extending from southeast IA across central IL into   
   west-central IN through around 20Z -- when the aforementioned lift   
   overspreads a cold, deeply saturated profile with a favorable   
   isothermal layer below 700 mb for aggregation. Snowfall rates of   
   around 1 inch per hour are expected beneath the core of the heaviest   
   banding, with bursts of locally higher rates possible.   
      
   ..Weinman.. 12/13/2025   
      
   ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=   
   g!7tcTNDzZ9zGCMbRDc_lEO3PXwUik11JltEQhJYxwv4JjseOI442hGyhwRK3gZlmjSzzQodyC2=   
   IFtBq1wd3X29rQcNoY$  for graphic product...   
      
   ATTN...WFO...IWX...IND...LOT...ILX...DVN...   
      
   LAT...LON   39398761 39728927 40099058 40519152 40969185 41349183   
               41669154 41669096 41338964 40968807 40738664 40418605   
               39778602 39338653 39398761=20   
      
      
   =3D =3D =3D   
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