MD 0546 CONCERNING HEAVY SNOW FOR PORTIONS OF WESTERN WISCONSIN AND EASTERN MINNESOTA
Mesoscale Discussion 0546
NWS Storm Prediction Center Norman OK
0354 PM CDT Sun Apr 16 2023
Areas affected...portions of western Wisconsin and eastern Minnesota
Concerning...Heavy snow
Valid 162054Z - 162300Z
SUMMARY...Moderate to heavy snow with rates 1"+/hr ongoing.
DISCUSSION...A band of moderate to heavy snow is ongoing near La
Crosse, WI with reported rates up to 1.5"/hr. Temperatures are
hovering around freezing regionally with stations within the
heaviest portion of the snowband dropping down to freezing in the
observations along and near the Mississippi River from La Crosse to
Winona over the last couple of hours. RAP sounding profiles from
within this region indicate deep saturation into the dendritic
growth zone and mid-level lapse rates around 6.5 C/km, supporting
efficient snow production and rates up to 1-1.5"/hr. Heavy snow with
gusts around 25-30 mph will lead to reduced visibility to around
1/4-1/2 mi at times.
..Thornton/Grams.. 04/16/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...ARX...MPX...
LAT...LON 44529205 44569172 44469147 44339139 44179128 44009107
43959102 43749064 43589072 43559090 43569110 43679137
43949170 44149192 44259203 44529205
