Alert archive / Michigan / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 27, NWS Grand Rapids, MI

April 2, 2026Kalamazoo County, Van Buren County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Apr 2, 2026, 6:10 PM EDT for Kalamazoo County, Van Buren County, Michigan. It was in force for 50 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, 6:10 PM EDT (22:10 UTC)
Expired
Apr 2, 2026, 7:00 PM EDT
In force
50 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 Kalamazoo County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 76 km from the middle of the area, began a volume at 22:11 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, 10.2 hours before the alert went out and 210 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2026-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2026-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 434 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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 48 minutes earlier.

Area forecast discussion, Apr 2, 2:22 PM EDT, 3 hours 48 minutes before
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Hazardous weather outlook, Apr 2, 11:18 AM EDT, 6 hours 52 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.

In the hours before

Local storm report, Apr 2, 6:06 PM EDT, 4 minutes before
Preliminary Local Storm Report
National Weather Service Grand Rapids MI
606 PM EDT Thu Apr 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 PM     Rain             4 NW Montague           43.45N 86.42W
04/02/2026  M1.49 Inch       Muskegon           MI   CO-OP Observer

            Daily total so far. Still raining.

&&

CAS

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 12:50 PM EDTRiver Flood WatchGRRNewaygo5 days
Apr 2, 12:50 PM EDTRiver Flood WatchGRRNewaygo4 days
Apr 2, 5:43 PM EDTSevere Thunderstorm Warning Considerable damage threatGRRAllegan, Van Buren23 min
Apr 2, 6:27 PM EDTTornado WarningGRRKalamazoo, Van Buren25 min
Apr 2, 6:52 PM EDTSevere Thunderstorm WarningGRRAllegan, Barry38 min
Apr 2, 7:01 PM EDTTornado WarningGRRKalamazoo, Van Buren44 min
Apr 2, 7:35 PM EDTTornado WarningGRRCalhoun, Kalamazoo25 min
Apr 2, 7:50 PM EDTTornado WarningGRRCalhoun, Kalamazoo25 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.