Subj : MESO: Mesoscale Discussion 2349
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Dec 26 2023 11:28:43

ACUS11 KWNS 261128
SWOMCD
SPC MCD 261127=20
MNZ000-NDZ000-SDZ000-261630-

Mesoscale Discussion 2349
NWS Storm Prediction Center Norman OK
0527 AM CST Tue Dec 26 2023

Areas affected...much of eastern North Dakota...north-central South
Dakota

Concerning...Freezing rain=20

Valid 261127Z - 261630Z

SUMMARY...Freezing rain, mixed occasionally with sleet, should
continue across much of the discussion area through mid morning. Ice
accumulations may exceed 0.05 inches/3 hours.

DISCUSSION...An area of freezing rain, mixed at times with sleet,
continues across the discussion area as of 1120z. The precipitation
is supported by ample warm/moist advection and large-scale ascent
associated with lobes of vorticity rotating around the expansive
central Plains cyclone. Latest short-term deterministic and ensemble
guidance reflects high probabilities of freezing rain continuing as
the dominant precip type through mid morning. This is supported by
RAP-based forecast soundings generally showing a warm nose between
900 and 800 mb where surface wet bulb temperatures are below
freezing. Continued low- and mid-level moisture transport should
result in freezing rain accumulations in excess of 0.05 inches/3
hours in many areas through 15z.

...Bunting.. 12/26/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5Dji1vJ1d77gb62cCOFJKFFbJaZd8s9xDcPby6SaRsvfYLmNyo1oK7Hx3BEosY6i_k4MwtBYY=
L2DIrPDXuwv_OsV-gs$  for graphic product...

ATTN...WFO...FGF...ABR...BIS...

LAT...LON   46249768 44709964 45240064 46470041 47549918 47729865
            47969766 47839695 47299692 46249768=20


=3D =3D =3D
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