Subj : MESO: Mesoscale Discussion 0552
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Apr 17 2023 18:26:18

ACUS11 KWNS 171826
SWOMCD
SPC MCD 171825=20
WIZ000-172130-

Mesoscale Discussion 0552
NWS Storm Prediction Center Norman OK
0125 PM CDT Mon Apr 17 2023

Areas affected...Portions of northern Wisconsin and Lake Superior

Concerning...Heavy snow=20

Valid 171825Z - 172130Z

SUMMARY...Heavy snowfall with rates 1-2 inches per hour expected to
continue through late afternoon.

DISCUSSION...A band of moderate to heavy snow continues across
portions of Lake Superior and northern Wisconsin behind a strong
surface low and evident TROWAL. Northwesterly flow across Lake
Superior has led to a band of locally very heavy snow, with
mesoscale enhancement from moisture fetch across the lake and
upslope flow. 1.5-2"/hr rates have been observed within this bad.
Hi-res ensemble guidance indicates that 1-2"/hr rates could continue
over the next couple of hours. Expect quick accumulations with
periods of reduced visibility, as winds gusts up to 25-30 mph are
also being observed.

...Thornton/Grams.. 04/17/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4vBwcQycPTKJhuW4Z48dllc6fUKBqLMxpOEg7JIjmg3BSvDrPpn1dbzV5VAoYsomZFt-xG4oK=
zTbHjDvyIOSkULK6ME$  for graphic product...

ATTN...WFO...DLH...

LAT...LON   46559201 47009160 47179132 47459097 47669053 47609044
            47449061 47289069 47119082 46939097 46799108 46649111
            46459117 46319131 46299173 46389194 46559201=20


=3D =3D =3D
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