ZCZC SPCSWOMCD ALL
ACUS11 KWNS 161726 
SPC MCD 161726 
OHZ000-INZ000-ILZ000-162130-

Mesoscale Discussion 0145
NWS Storm Prediction Center Norman OK
1126 AM CST Fri Feb 16 2024

Areas affected...portions of eastern Illinois into central Indiana
and western Ohio

Concerning...Heavy snow 

Valid 161726Z - 162130Z

SUMMARY...Occasional bouts of heavy snow are possible through early
afternoon, with up to 1 inch/hr snowfall rates and reduced
visibility possible.

DISCUSSION...A 500 mb jet streak continues to overspread the OH
Valley, which is encouraging 850-700 mb warm-air and moisture
advection. The low-level warm-air advection trends are increasing
the magnitudes of 700 mb frontogenesis, with deep-layer ascent
strengthening within deepening/moistening dendritic growth zone. At
least a few reports of heavy snow have been received within the past
few hours and this trend is expected to continue through the
afternoon. Up to 1 inch/hr snowfall rates will remain possible,
along with brief periods of reduced visibility associated with an
east-to-west oriented snowband.

..Squitieri.. 02/16/2024

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

ATTN...WFO...ILN...IWX...IND...LOT...ILX...

LAT...LON   39968985 40468929 40688653 40768462 40498368 39998348
            39798409 39518586 39478744 39518845 39628932 39968985 

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