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Mesoscale Discussion 60
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   Mesoscale Discussion 0060
   NWS Storm Prediction Center Norman OK
   1100 AM CST Fri Jan 17 2020

   Areas affected...far northeast KS into northern MO and central IL

   Concerning...Freezing rain 

   Valid 171700Z - 172145Z

   CORRECTED FOR TYPOS

   SUMMARY...Freezing rain and sleet will continue to lift northeast
   across northern MO into central IL through the afternoon hours.

   DISCUSSION...Freezing rain, with some areas reporting sleet as well,
   extended along the I-70 corridor from the Kansas City metro area to
   St. Louis this as of 1530z. Across southwest MO/southeast KS,
   temperatures are beginning to climb above freezing in continued
   strong warm advection regime. As precipitation continues to spread
   northeast across northern MO into central IL, periods of freezing
   rain and sleet will continue into this afternoon. Surface
   temperatures across the MCD area are generally in the mid 20s to
   near 30 degrees with forecast thermodynamic profiles showing
   continued support for freezing rain and sleet through much of the
   day. Surface temperatures will slowly warm from south to north, with
   the freezing line expected to be north of the I-70 corridor
   (particularly across western/central MO) by 21z, allowing frozen
   precip types to transition to rain. Precipitation rates have been as
   high as 0.10 in/hr per Local Storm Reports from WFO Springfield MO.
   Rates will mostly be lighter, at a few hundredths of an inch per hr,
   though this seems like a reasonable maximum rate in brief heavier
   showers.

   ..Leitman/Guyer.. 01/17/2020

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

   ATTN...WFO...PAH...ILX...LSX...DVN...SGF...EAX...OAX...TOP...

   LAT...LON   40409184 40469329 40449394 40309482 40179549 39709570
               39209532 38319351 38129240 38069099 38258966 38538897
               38868840 39338816 39678828 39968897 40189011 40409184 

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