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ACUS11 KWNS 160444
SWOMCD
SPC MCD 160443=20
MNZ000-161045-
Mesoscale Discussion 2040
NWS Storm Prediction Center Norman OK
1043 PM CST Wed Dec 15 2021
Areas affected...northern Minnesota
Concerning...Blizzard=20
Valid 160443Z - 161045Z
SUMMARY...Near-blizzard conditions will develop tonight into
northern Minnesota, with wind gusts of 40-50 mph expected. Snow
rates may reach around 1"/hr.
DISCUSSION...As a deepening surface low tracks northeast toward Lake
Superior tonight, cooling aloft will result in increasingly
favorable profiles for heavy snow from west to east across northern
MN. Forecast soundings show the top of the boundary layer around 870
mb, with maximum boundary layer winds of 40-45 kt. Given expected
precipitation rates, these wind gusts to this magnitude appear
reasonable, resulting in blowing snow and reduced visibilities. The
heaviest snow rates are likely to occur after 06Z and across
northern into northeastern MN.
..Jewell.. 12/16/2021
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!rCnkQ4dgXcbTQW2Xh8jt_7pMYaO1Bc81kZ8F3KdXQbHjDcXI5FIvJR3Wr5an78yJZ6NTUDCd$=
for graphic product...
ATTN...WFO...DLH...FGF...
LAT...LON 48409197 47839226 46949267 46539336 46489456 46679503
46919516 47509499 48189470 48669396 48689295 48409197=20
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