Subj : MESO: Mesoscale Discussion 0274
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Mar 12 2023 00:11:02

ACUS11 KWNS 120010
SWOMCD
SPC MCD 120010=20
MNZ000-NDZ000-120415-

Mesoscale Discussion 0274
NWS Storm Prediction Center Norman OK
0610 PM CST Sat Mar 11 2023

Areas affected...Northeast North Dakota and far northwest Minnesota

Concerning...Blizzard=20

Valid 120010Z - 120415Z

SUMMARY...The combination of moderate, to locally heavy, snowfall
rates and strong winds will maintain blizzard conditions through the
evening hours.

DISCUSSION...Latest surface observations from northeast ND show
persistent visibility reductions to 1/4 mile or lower. Although
sustained winds near 20-25 knots and occasional gusts near/above 30
knots have been reported, blowing snow model output suggests that
these visibility reductions are being driven by a combination of
blowing snow associated with gusts above 30 knots and light to
moderate snowfall. Coincidentally, an organized snow band continues
to develop between the Devils Lake to Fargo, ND region within a
region of strong low to mid-level confluence along an occluding
front. This snow band is expected to linger roughly along the ND
Highway 2 corridor for the next several hours as the surface low
migrates to the east/southeast and may support periods of moderate,
to localized heavy, snowfall rates. Gradient winds are expected to
continue to gust into the 25-35 knot range to the north of the
surface low track, which will likely coincide with the placement of
the snow band. Consequently, blizzard conditions are most likely to
be maintained across portions of northeast to east-central ND and
far northwest MN for the next several hours - especially in open
country where frequent gusts above 30 knots are more likely.

...Moore.. 03/12/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!9GcYARLYfhzAGmUo89S2oKqeD3ARVVtSHoGaUIdnpxz8zhn1b11lRUBxEmi9Z8stR9540qsxN=
AoyR7U5wEbJy6KjtMk$  for graphic product...

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

LAT...LON   47319674 47419773 47629850 47839940 48349975 48709962
            49049873 49069692 48559620 48109586 47639597 47349615
            47319674=20


=3D =3D =3D
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