Alert archive / Michigan / Winter Storm Warnings in 2025
Winter Storm Warning 1, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this winter storm warning at Jan 21, 2025, 3:38 PM EST for 6 counties in Michigan. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 21, 2025, 3:38 PM EST (20:38 UTC)
- Expired
- Jan 23, 2025, 3:11 AM EST
- In force
- 36 hr
- Issued by
- NWS Grand Rapids, MI
Counties Lake County, MI, Mason County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ottawa County, MI
The radar
The Grand Rapids radar (KGRR), 88 km from the middle of the area, began a volume at 20:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.6 hours before the alert went out and 188 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before this winter storm warning went out at Jan 21, 3:22 PM EST, 16 minutes earlier.
Area forecast discussion, Jan 21, 3:22 PM EST, 16 minutes before
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</html>Hazardous weather outlook, Jan 21, 3:09 AM EST, 12 hours 29 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 309 AM EST Tue Jan 21 2025 MIZ037>040-043>046-050>052-056>059-064>067-071>074-220815- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 309 AM EST Tue Jan 21 2025 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Lake effect snow showers will continue through the day into tonight. Travel impacts and occasional reduced visibilities will persist, especially near and west of US131. Wind chills of -10 to -25F today and tonight will lead to frostbite for exposed skin in as little as 30 minutes. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Potential for travel impacts is increasing for lakeshore near and north of Holland and the US131 corridor north of Grand Rapids Wednesday into early Thursday. Snow and blowing snow will make travel difficult and reduce visibilities at times. Wind chills of -10 to -25F are likely through late morning Wednesday. Frostbite times for exposed skil will be as little as 30 minutes. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. LMZ844>849-220815- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 309 AM EST Tue Jan 21 2025 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight Winds and waves hazardous to small craft will continue through today along with heavy freezing spray. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Winds and waves hazardous to small craft will continue through Thursday with a low chance of brief gales Wednesday. Heavy freezing spray will continue into Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. Thomas
In the hours before
Local storm report, Jan 21, 10:08 AM EST, 5 hours 30 minutes before
Preliminary Local Storm Report
National Weather Service Grand Rapids MI
1008 AM EST Tue Jan 21 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1007 AM Snow 2 SE Allendale 42.97N 85.92W
01/21/2025 M8.5 Inch Ottawa MI Public
Storm total since the snow began Sunday.
&&Local storm report, Jan 21, 2:24 PM EST, 1 hour 14 minutes before
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</html>The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 11:27 AM EST | Gale Warning | GRR | 29 hr |
Nearby
Winter Storm Warnings in Michigan, 2025Every winter storm warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.