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Storm Prediction Center Mesoscale Discussion 68











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Mesoscale Discussion 68
MD 68 graphic

   Mesoscale Discussion 0068
   NWS Storm Prediction Center Norman OK
   0531 AM CST Sat Jan 15 2022

   Areas affected...Southwest and Central Missouri...Far Northwest
   Arkansas

   Concerning...Heavy snow 

   Valid 151131Z - 151730Z

   SUMMARY...Areas of heavy snow are expected to develop this morning
   from central and southwestern Missouri into far northwestern
   Arkansas. Snowfall rates exceeding 1 inch per hour will be possible.

   DISCUSSION...The latest water-vapor imagery shows an upper-level low
   over central Kansas. This feature will continue to move southward
   into the southern Plains this morning. At the surface, a 1007 mb low
   is present in far southwestern Arkansas with an inverted trough
   extending northward into western Missouri, where a cold front is
   located. Large-scale ascent is maximized to the east of the low
   across parts of the Ozarks, where a large area of precipitation is
   ongoing. The precipitation consists of snow from central and western
   Missouri into far northwestern Arkansas. Rainfall is located across
   much of south-central and southeastern Missouri. Rain may change
   over to snow in some locations in south-central Missouri as
   temperatures cool above the boundary layer. The temperature could
   cool to 32 degrees F where the heaviest snowfall develops. Due to
   strong ascent associated with the upper-level low, heavy snow
   exceeding one inch per hour will be possible within the most
   organized snow banding.

   ..Broyles/Edwards.. 01/15/2022

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

   ATTN...WFO...LSX...SGF...EAX...TSA...

   LAT...LON   37729127 37739213 37759306 37449331 36719340 36229355
               35859372 35739430 36659461 38039454 38889419 39259323
               39249250 39099159 38739079 37929079 37729127 


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