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Mesoscale Discussion 0453
NWS Storm Prediction Center Norman OK
0848 AM CDT Tue Apr 12 2022

Areas affected...Portions of eastern Montana...far northwestern
South Dakota...and much of western North Dakota.

Concerning...Blizzard 

Valid 121348Z - 121745Z

SUMMARY...Blizzard conditions are beginning across portions of
western North Dakota, far northwest South Dakota, and far eastern
Montana.

DISCUSSION...Moderate to heavy snow has begun across a broad swath
of the northern Plains. Winds are already strong (sustained 25 knots
with gusts 35 to 40 knots) and are expected to strengthen through
the afternoon. Blizzard conditions have already been reported at
KHEI and KBHK this morning. Widespread blizzard conditions are
expected across much of western North Dakota, far eastern Montana,
and far northwest South Dakota later this morning and this
afternoon. 

Snowfall rates up to 2 to 3 inches per hour are expected late this
morning and into early afternoon across central North Dakota with
these conditions expected to persist for several hours before
lifting into northern North Dakota. Moderate snow will remain in its
wake with snowfall rates around 1 inch per hour persisting well
beyond this afternoon. Some locations are forecast to receive over 2
feet of snow with persistent blizzard to near blizzard strength
winds and visibilities expected for the next 24 to 48 hours. This is
expected to cause extreme impacts across the region.

..Bentley.. 04/12/2022

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...ABR...BIS...UNR...BYZ...GGW...

LAT...LON   46110471 47090440 47710363 48360263 48470059 48179998
            47319973 46400040 45760233 45560373 45550444 45690482
            46110471