MD 0148 CONCERNING BLIZZARD FOR PORTIONS OF FAR SOUTHEASTERN NORTH DAKOTA…EASTERN SOUTH DAKOTA…AND PORTIONS OF WESTERN MINNESOTA
Mesoscale Discussion 0148
NWS Storm Prediction Center Norman OK
0811 PM CST Tue Feb 14 2023
Areas affected...portions of far southeastern North Dakota...eastern
South Dakota...and portions of western Minnesota
Concerning...Blizzard
Valid 150211Z - 150615Z
SUMMARY...Rain transitioning to snow over the next few hours.
Blizzard conditions with low visibility and blowing snow likely this
evening.
DISCUSSION...Surface observations show a change over from rain to
snow across portions of eastern South Dakota along and near the I-29
corridor. The strongest winds are still being observed just to the
west of the heaviest snowfall. HREF ensembles indicate that
sustained winds of 35+ mph (gusting up to 50 mph) will spread into
eastern South Dakota between 04-06z. HREF conditional probabilities
show the highest probability of blizzard conditions (<1/4 mi
visibility and sustained winds >35 mph) occurring across the I-29
corridor between 06-09z, gradually shifting eastward into Minnesota.
While snow rates are generally expected to be below 1"/hr, blowing
and drifting snow will lead to low visibility and slick travel.
..Thornton/Grams.. 02/15/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...MPX...FGF...FSD...ABR...
LAT...LON 45139797 45569793 46459775 46659743 46709666 46709628
46529603 46089595 45999592 45239587 44369588 43959619
43459655 43209681 43079692 43169726 43289770 43569783
43759784 43959782 45139797
