Alert archive / Michigan / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 26, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Apr 2, 2026, 5:43 PM EDT for Allegan County, Van Buren County, Michigan. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 2, 2026, 5:43 PM EDT (21:43 UTC)
- Expired
- Apr 2, 2026, 6:06 PM EDT
- In force
- 23 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Tornado
- Possible
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Allegan County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 72 km from the middle of the area, began a volume at 21:46 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
Detroit, MI (KDTX), launched 12:00Z, 9.7 hours before the alert went out and 222 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
- 15 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 392 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 434 m²/s²
- 0-3 km storm-relative helicity
- 496 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Apr 2, 2:22 PM EDT, 3 hours 21 minutes earlier.
Area forecast discussion, Apr 2, 2:22 PM EDT, 3 hours 21 minutes before
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</html>Hazardous weather outlook, Apr 2, 11:18 AM EDT, 6 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 1118 AM EDT Thu Apr 2 2026 MIZ037>040-043>046-050>052-056>059-064>067-071>074-030945- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 1118 AM EDT Thu Apr 2 2026 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This Afternoon and Tonight Thunderstorms are likely and some severe thunderstorms are possible this afternoon into tonight. The greatest chance for severe weather will be roughly between 4 PM and midnight. Damaging winds will be the main threat, and a tornado could also develop. Locally heavy rain today and tonight may lead to short term flooding in low spots and urban areas. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Additional thunderstorms are expected Friday night into Saturday. Locally heavy rain with flooding is possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible this evening. LMZ844>849-030945- 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- 1118 AM EDT Thu Apr 2 2026 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...This Afternoon and Tonight Conditions hazardous to smaller craft are expected both today and tonight. A few wind gusts may reach gale force tonight. Thunderstorms are expected over Lake Michigan both today and tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Conditions will remain hazardous for smaller craft on Friday. Thunderstorms over Lake Michigan will be possible again Friday night into Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible this evening.
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 12:50 PM EDT | River Flood Watch | GRR | Newaygo | 5 days |
| Apr 2, 12:50 PM EDT | River Flood Watch | GRR | Newaygo | 4 days |
| Apr 2, 6:10 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 50 min |
| Apr 2, 6:27 PM EDT | Tornado Warning | GRR | Kalamazoo, Van Buren | 25 min |
| Apr 2, 6:52 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry | 38 min |
| Apr 2, 7:01 PM EDT | Tornado Warning | GRR | Kalamazoo, Van Buren | 44 min |
| Apr 2, 7:35 PM EDT | Tornado Warning | GRR | Calhoun, Kalamazoo | 25 min |
| Apr 2, 7:50 PM EDT | Tornado Warning | GRR | Calhoun, Kalamazoo | 25 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2026Every severe thunderstorm warning in 2026
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.