ZCZC SPCSWOMCD ALL
ACUS11 KWNS 091909 
SPC MCD 091909 
WIZ000-ILZ000-IAZ000-092215-

Mesoscale Discussion 0035
NWS Storm Prediction Center Norman OK
0109 PM CST Tue Jan 09 2024

Areas affected...Western Iowa...Northern Illinois...southern
Wisconsin

Concerning...Heavy snow 

Valid 091909Z - 092215Z

SUMMARY...Moderate to heavy snowfall with rates of 1"/hr gradually
shifting north and east through the afternoon.

DISCUSSION...A 982 mb surface low was currently located across
northern Illinois/Indiana as of 19z. Moderate to heavy snowfall has
been on going across a deformation zone located across western Iowa
into northern Illinois, and southern Wisconsin. Temperatures are
hovering near to just above freezing across portions of far
northeastern IL and southern WI. Expect the low to continue to move
northeastward with freezing temperatures spreading eastward and a
transition to snow by around 21z with potential for areas of 1"/hr
rates.

..Thornton.. 01/09/2024

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

ATTN...WFO...GRB...LOT...ILX...MKX...DVN...ARX...DMX...

LAT...LON   42609198 42719180 43039116 43309067 43708962 44088848
            44288785 44298751 44198741 43868744 43548749 43058764
            42568768 42278777 41928799 41708829 41498855 41148922
            40988979 40809021 40749056 40649133 40939173 41349196
            41759209 42179214 42609198 

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