Subj : MESO: Mesoscale Discussion 2255
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Dec 09 2025 17:57:21

ACUS11 KWNS 091757
SWOMCD
SPC MCD 091756=20
MNZ000-NDZ000-092300-

Mesoscale Discussion 2255
NWS Storm Prediction Center Norman OK
1156 AM CST Tue Dec 09 2025

Areas affected...portions of northern into central Minnesota

Concerning...Heavy snow=20

Valid 091756Z - 092300Z

SUMMARY...Moderate to heavy snow is expected to begin over the next
few hours. 1 inch/hour snowfall rates are possible.

DISCUSSION...A surface-850 mb low is beginning to intensify while
shifting southeastward across ND, which is resulting in increased
low-level warm-air/moisture advection within a sub-freezing
troposphere over northern to central MN. A primary band of at least
light to moderate snow is already in place along the ND/MN border,
and this band is expected to intensify with increased 850-700 mb
frontogenesis over central MN over the next several hours. Increased
saturation of the dendritic growth zone should support widespread
moderate snowfall rates, but at least a few instances of heavy snow
are possible, including snowfall rates locally exceeding 1
inch/hour.

...Squitieri.. 12/09/2025

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_oz36ZXJyKvzdzcityi5iHgYhinIMPHyl7P-a1XPcgoAsGJg-oPuNpd92bJr-x83QKSYwLXWO=
LcLXAq3vlCtE6v7TUs$  for graphic product...

ATTN...WFO...DLH...MPX...FGF...

LAT...LON   47919705 48009693 48069675 48079663 48049635 47949602
            47629508 47199421 46929378 46239305 45759294 45389305
            45229348 45199421 45259516 45429561 45799613 47029686
            47419699 47719709 47919705=20


=3D =3D =3D
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