Alert archive / Michigan / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 22, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Mar 31, 2026, 2:13 AM EDT for Lake County, Michigan. It was in force for 32 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
- Mar 31, 2026, 2:13 AM EDT (06:13 UTC)
- Expired
- Mar 31, 2026, 2:45 AM EDT
- In force
- 32 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Lake County, MI
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 6.2 hours before the alert went out and 238 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
- 260 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 413 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.7
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 Mar 31, 2:09 AM EDT, 4 minutes earlier.
Area forecast discussion, Mar 31, 2:09 AM EDT, 4 minutes before
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</html>Hazardous weather outlook, Mar 30, 4:32 AM EDT, 21 hours 41 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 432 AM EDT Mon Mar 30 2026 MIZ037>040-043>046-050>052-056>059-064>067-071>074-310845- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 432 AM EDT Mon Mar 30 2026 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Strong to severe storms with large hail and damaging winds are possible tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Strong to severe storms are possible Tuesday afternoon into Tuesday night. Damaging winds, large hail, and tornadoes are all possible. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight and Tuesday be needed. LMZ844>849-310845- 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- 432 AM EDT Mon Mar 30 2026 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight Strong to severe storms with large hail and damaging winds are possible tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Small Craft Advisory conditions develop for Tuesday into Tuesday night. Additional periods of hazardous winds and waves are possible Wednesday night into Thursday and Saturday into Sunday. Strong to severe storms are possible Tuesday afternoon into Tuesday night. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Special weather statement, Mar 31, 1:54 AM EDT, 19 minutes before
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</html>Local storm report, Mar 31, 2:06 AM EDT, 7 minutes before
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</html>Local storm report, Mar 31, 2:08 AM EDT, 5 minutes before
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</html>Local storm report, Mar 31, 2:12 AM EDT, 1 minute 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 |
|---|---|---|---|---|
| Mar 30, 11:13 PM EDT | Severe Thunderstorm Warning | GRR | Clare | 17 min |
| Mar 30, 11:56 PM EDT | Severe Thunderstorm Warning | GRR | Lake | 23 min |
| Mar 31, 12:34 AM EDT | Special Marine Warning | GRR | 68 min | |
| Mar 31, 12:37 AM EDT | Severe Thunderstorm Warning | GRR | Clare, Osceola | 53 min |
| Mar 31, 1:28 AM EDT | Special Marine Warning | GRR | 50 min | |
| Mar 31, 1:49 AM EDT | Severe Thunderstorm Warning | GRR | Mason | 41 min |
| Mar 31, 2:35 AM EDT | Severe Thunderstorm Warning | GRR | Osceola | 40 min |
| Mar 31, 3:03 AM EDT | Severe Thunderstorm Warning | GRR | Clare | 42 min |
| Mar 31, 4:39 AM EDT | Severe Thunderstorm Warning | GRR | Eaton, Ingham, Jackson | 38 min |
| Mar 31, 11:08 AM EDT | Special Weather Statement | GRR | Mason, Oceana | 52 min |
| Mar 31, 11:12 AM EDT | Special Marine Warning | GRR | 63 min | |
| Mar 31, 12:14 PM EDT | Special Marine Warning | GRR | 17 min | |
| Mar 31, 1:25 PM EDT | Special Weather Statement | GRR | Mecosta, Newaygo | 50 min |
| Mar 31, 1:30 PM EDT | Special Weather Statement | GRR | Barry | 45 min |
| Mar 31, 1:42 PM EDT | Special Weather Statement | GRR | Lake | 33 min |
| Mar 31, 3:46 PM EDT | Areal Flood Advisory | GRR | Muskegon, Newaygo, Oceana | 93 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.