SPC MD 71



MD 0071 CONCERNING HEAVY SNOW FOR NORTHERN WISCONSIN…UPPER PENINSULA…AND NORTHERN MICHIGAN

MD 0071 Image


Mesoscale Discussion 0071
NWS Storm Prediction Center Norman OK
0624 PM CST Tue Feb 05 2019

Areas affected...Northern Wisconsin...Upper Peninsula...and northern
Michigan

Concerning...Heavy snow 

Valid 060024Z - 060630Z

SUMMARY...Heavy snow with 1-2" per hour rates are expected to
develop across northern Wisconsin, the Upper Peninsula, and northern
Michigan this evening.

DISCUSSION...A swath of moderate to heavy snow is falling across
eastern Minnesota, central/northern Wisconsin, and into Upper
Peninsula of Michigan. Frontogenesis and isentropic up-glide are
occurring over this region with the strongest lift located between
650 mb and 500 mb ( -5 C and -15 C). Stronger lift is located
slightly farther south across southern Wisconsin/far northern
Illinois where profiles are more favorable for sleet/freezing rain
(see MCD 070). However, enough upward motion within the dendritic
growth zone should allow 1"+ per hour snowfall rates to develop
across portions of northern Wisconsin, the Upper Peninsula of
Michigan, and northern Michigan this evening. Some local snowfall
rate enhancements of 2" per hour may occur as the shortwave trough
moves over the region this evening. Snow will taper off from west to
east after 05z as the best defined for lifting/upward motion shift
eastward across the Great Lakes region.

..Nauslar/Edwards.. 02/06/2019

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

ATTN...WFO...APX...GRR...MQT...GRB...MKX...DLH...ARX...MPX...

LAT...LON   43678768 43708828 43728902 43918966 44229021 44749055
            45379069 45489074 46109002 46448896 46578763 46558660
            46428532 46038429 45478373 45138361 44848394 44598445
            44148563 43938653 43678768 

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