Subj : MESO: Mesoscale Discussion 0145
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Feb 16 2024 17:27:28

ACUS11 KWNS 161727
SWOMCD
SPC MCD 161726=20
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=20

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 https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_S1PGzdF8OsKZyhxDxplxJhSMU6HS5y3QKdlErRx7FxJ2mk2jCZB2WSx58sz6Kuz8QoMcARHf=
E1qqR9GkdzLhgxTCyg$  for graphic product...

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

LAT...LON   39968985 40468929 40688653 40768462 40498368 39998348
            39798409 39518586 39478744 39518845 39628932 39968985=20


=3D =3D =3D
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