MD 0302 CONCERNING WINTER MIXED PRECIPITATION FOR NORTHERN WISCONSIN INTO THE UPPER PENINSULA OF MICHIGAN
Mesoscale Discussion 0302
NWS Storm Prediction Center Norman OK
0207 PM CDT Sun Mar 30 2025
Areas affected...Northern Wisconsin into the Upper Peninsula of
Michigan
Concerning...Winter mixed precipitation
Valid 301907Z - 310000Z
SUMMARY...Another round of moderate to heavy snow and sleet/freezing
rain is expected to spread across northern Wisconsin into the Upper
Peninsula of Michigan.
DISCUSSION...Recent surface observations across northern WI report a
mix of sleet/freezing rain to the west/northwest of the Green Bay,
WI area and light to moderate snow across northern/northwest WI.
This precipitation is expected to increase in coverage and intensity
as it spread northeastward through early evening amid strengthening
warm advection between 925-850 mb and within the 700 mb deformation
zone. The steady warm advection will also maintain a warm nose
between 1-2 km AGL that will continue to promote sleet and freezing
rain through the afternoon. Latest guidance continues to suggest
that freezing rain rates between 0.05 to 0.1 inch/hour are probable
across far northeast WI into the southern areas of the U.P. A
gradual eastward shift of the warm nose is anticipated through late
afternoon, which should result in sub-freezing temperatures
throughout the column. This thermodynamic trend, coupled with
organized precipitation banding, should promote areas of moderate to
heavy snowfall rates between 1-2 inch/hour across northern WI into
western parts of the U.P.
..Moore.. 03/30/2025
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...APX...MQT...GRB...DLH...ARX...MPX...
LAT...LON 45788479 45798560 45768645 45508720 45178788 44968863
44928914 44958965 44969031 44989085 44999120 45309159
45709159 46099149 46409129 46679091 46749063 46819026
47058924 47118813 47088674 46998561 46848474 46658406
46398371 46188349 45918341 45808351 45778417 45788479
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK…
No watches are valid as of Mon Jun 9 17:40:02 UTC 2025.
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK…
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