Alert archive / Michigan / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 47, NWS Grand Rapids, MI

July 24, 2025Ingham County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jul 24, 2025, 6:32 PM EDT for Ingham 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
Jul 24, 2025, 6:32 PM EDT (22:32 UTC)
Expired
Jul 24, 2025, 6:55 PM EDT
In force
23 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Ingham County, MI

The radar

The Detroit radar (KDTX), 75 km from the middle of the area, began a volume at 22:32 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 24, 3:31 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 10.5 hours before the alert went out and 317 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, Alpena, MI at 12:00Z on 2025-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1673 joules per kilogram.LCLLFCEL10008507005003002001001 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, Alpena, MI at 12:00Z on 2025-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 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
1673 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 8:21 PM EDTSpecial Marine WarningGRR54 min
Jul 23, 9:09 PM EDTSpecial Weather StatementGRRMason51 min
Jul 24, 1:58 PM EDTSpecial Weather StatementGRRClare47 min
Jul 24, 2:22 PM EDTSpecial Weather StatementGRRIsabella53 min
Jul 24, 3:47 PM EDTSpecial Weather StatementGRRBarry, Calhoun, Eaton58 min
Jul 24, 4:03 PM EDTSevere Thunderstorm WarningGRRClinton, Eaton, Ionia25 min
Jul 24, 4:10 PM EDTSpecial Marine WarningGRR2 hr
Jul 24, 4:47 PM EDTSpecial Weather StatementGRRClinton28 min
Jul 24, 5:05 PM EDTSevere Thunderstorm WarningGRRVan Buren55 min
Jul 24, 5:34 PM EDTSevere Thunderstorm WarningGRRAllegan, Kalamazoo56 min
Jul 24, 5:57 PM EDTAreal Flood AdvisoryGRRCalhoun, Kalamazoo5 hr
Jul 24, 7:36 PM EDTSevere Thunderstorm WarningGRRJackson39 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2025Every severe thunderstorm 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.