Subj : MESO: Mesoscale Discussion 0017
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Jan 03 2023 06:07:54

ACUS11 KWNS 030607
SWOMCD
SPC MCD 030606=20
IAZ000-SDZ000-NEZ000-031200-

Mesoscale Discussion 0017
NWS Storm Prediction Center Norman OK
1206 AM CST Tue Jan 03 2023

Areas affected...Northern Nebraska into southeastern South Dakota

Concerning...Heavy snow=20

Valid 030606Z - 031200Z

SUMMARY...Snowfall rates of 1-2 inches per hour are possible into
Tuesday morning for parts of northern Nebraska and southeastern
South Dakota.

DISCUSSION...A band of moderate to heavy snow is developing within
parts of central/northern Nebraska. Recent surface observations from
Thedford, NE reported heavy snow. As the upper-level trough and
associated surface cyclone intensify overnight, a region of heavy
snowfall should continue to develop northeastward into northern
Nebraska and southeastern South Dakota as ascent in the dendritic
growth zone increases as well. Forecast soundings and the observed
OAX sounding show steep lapse rates at cloud top. Some convectively
enhanced snowfall, along with isolated lightning flashes, is
possible with this activity. Snowfall rates of 1-2 inches per hour
are possible into Tuesday morning.

...Wendt.. 01/03/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!-_RgKipaDx-VLSYBFC7YSCJI2sXIh8rsZmXqEvpPXEt-u9ChNUjhJy1P5hHTDpY5KYuTJFCq0=
xtSU6o_3tleuwl8uCE$  for graphic product...

ATTN...WFO...FSD...OAX...GID...LBF...UNR...

LAT...LON   41280091 41390156 41880187 42420130 43020048 43899818
            43859683 43369651 42839638 42209733 41380046 41280091=20


=3D =3D =3D
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