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Preliminary Local Storm Report National Weather Service Milwaukee/Sullivan WI 919 AM CDT Wed Apr 3 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0700 AM Snow St. Peter 43.83N 88.35W 04/03/2024 M8.0 Inch Fond du Lac WI CO-OP Observer CO-OP Observer station TAHW3 St. Peter. 0700 AM Snow 1 SW Fond Du Lac 43.77N 88.47W 04/03/2024 M6.0 Inch Fond du Lac WI CO-OP Observer CO-OP Observer station FCDW3 Fond Du Lac 1 SW. 0657 AM Snow 2 S Eldorado 43.79N 88.62W 04/03/2024 M9.5 Inch Fond du Lac WI Cocorahs Cocorahs station WI-DL-18 Eldorado 2.3 S. Right in those areas. I think most of it fell from like 2-6 pm on Tuesday than when rates were lower it had a harder time accumulating

We probably had like 7-8 here

NAM doubled the snow amounts from last run

Winter storm warning tonight for 4-8 with storm totals of 8-14 by Wednesday night Should be interesting

Winter Storm Watch for Green Bay Area for 6-12 inches and 50 mph Winds WIZ013-020>022-031-037>040-045-048>050-073-074-020400- /O.NEW.KGRB.WS.A.0005.240402T1800Z-240403T1800Z/ Northern Marinette County-Menominee-Northern Oconto County-Door- Shawano-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Waupaca, Brillion, Harmony, Fish Creek, Loomis, Wautoma, Neenah, Lakewood, Shawano, Kewaunee, Oconto, Peshtigo, Chilton, Little Suamico, Manitowoc, High Falls Reservoir, Redgranite, Luxemburg, Middle Inlet, Mountain, Townsend, Niagara, New London, Porterfield, Crivitz, New Holstein, Wausaukee, Appleton, Pensaukee, Clintonville, Green Bay, Neopit, Oshkosh, Sobieski, Brookside, Sister Bay, Two Rivers, Menasha, Sturgeon Bay, and Keshena 234 PM CDT Mon Apr 1 2024 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... * WHAT...Heavy snow and strong winds possible. Minor blowing and drifting snow. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 50 mph. * WHERE...Portions of central, east central, and northeast Wisconsin. * WHEN...From Tuesday afternoon through Wednesday afternoon. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. Aviation travel may see delays. The hazardous conditions could impact the Tuesday evening and Wednesday morning

GFS kuchera is insane. Even half of that is 10+ inches of snow here. 10:1 shows nearly 2 1/2 feet

GFS/Euro/NAM all further NW with the low and defo band. Very narrow band of heavy snow but cut these totals in half on Kuchera and that’s still 6-8 inch storm for April

Agreed. It’s crazy looking at 10:1 maps and seeing almost 2 feet in some areas lol

NAM snowfall (still snowing on 3K)

NAM/3K NAM showing 12+ in many areas

Green Bay AFD The main timeframe of concern with this system however, is Tuesday night through Wednesday. A strong secondary shortwave will dig into the Upper Plains and western Great Lakes, which may phase with the current surface low and lead to some intensification of this system. The first and higher confidence concern with this system will be wind gusts. Soundings bring between 40 to 50 knot winds to 850, with fairly favorable conditions to mix to the surface by Wednesday afternoon. This would make for widespread gusts around 30 to 40 mph gusts over land and possibly higher over marine. The second concern would be a potential increase in precipitation, as the system possibly retrogrades and brings the higher qpf and dynamics back to the region. In the worst case, this would support significant snowfall along the Lake Michigan shoreline and downstream of the Bay of Green Bay. Delta-T values aren`t that impressive by themselves (6-10 C or so) but could certainly enhance any precipitation given the dynamics in this system. This would be the worst case and only the GFS has this solution for now, so the current forecast calls for lesser amounts of snow for the time being. It bears stressing however, that given the winds during this time period, any snow will cause travel impacts due to low visibility from blowing and drifting.

I kind of gave up on the snow yesterday and now looking at 18z all kuchera outputs showing up to a foot of snow lol

Check out the difference in the East coast storm on the icon between 12 and 0z

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6z GFS shifted a tad south and widened the band a bit with general 6-12 MKE AFD this morning: Confidence is high (70-90%) in widespread accumulating snowfall for southern Wisconsin late Thursday through at least Friday morning, as a shortwave moves through the region. The big question with this system is the track of the stronger frontogenetic forcing. Models still vary a bit with the placement of the strong frontogenesis, ranging from along/just north of the northern forecast area border to along the WI/IL state line. Locally higher amounts are expected with the stronger forcing, but it`s too early to pin down totals, especially where these higher amounts may wind up. Given that this system has slowed down a bit, confidence is increasing that accumulating snowfall will impact the Friday morning commute, especially where any banded snowfall sets up due to the stronger forcing.

This is a sneaky potential system for Friday for WI/MN area ICON/GFS/UKIE

One of the things I have noticed with 12z runs is euro has some sort of tropical storm on the east coast which forces this storm more north? GFS/Euro/CMC at 168

Think winter is pretty much done for February

We literally had like two snowstorms here and that was it. Kind of crazy no ice up at the lakes for sturgeon spearing this year

Snow totals in S WI

This video is insane https://x.com/Tom_Wachs/status/1746022391224861067?s=20 sums up the storm here. Reports of 15” just southeast of here

Storm definitely over performed here. Already many reports of 10-12+ with several more hours left

Everything on track here reports of 8+ in southern wisconsin with many hours left of snow

For his area it is

Playing it safe is fine but using the hrrr 48 hours is stupid. HRRR should only be used within 10-15 hours or less