Alert archive / Michigan / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 2, NWS Marquette, MI

April 17, 2026Gogebic County, Iron County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Apr 17, 2026, 5:41 PM CDT for Gogebic County, Iron County, Michigan. It was in force for 12 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 17, 2026, 5:41 PM CDT (22:41 UTC)
Expired
Apr 17, 2026, 5:53 PM CDT
In force
12 min
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Gogebic County, MI, Iron County, MI

The radar

The Marquette radar (KMQT), 125 km from the middle of the area, began a volume at 22:43 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

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 383 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, Minneapolis, MN at 12:00Z on 2026-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Minneapolis, MN at 12:00Z on 2026-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2301 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 9:04 PM CDTSmall Craft AdvisoryMQT3 days
Apr 16, 9:23 PM CDTRiver Flood WarningMQTMarquette3 days
Apr 16, 11:11 PM CDTMarine Dense Fog AdvisoryMQT11 hr
Apr 17, 2:24 AM CDTGale WatchMQT12 hr
Apr 17, 2:24 AM CDTGale WarningMQT21 hr
Apr 17, 2:41 AM CDTDense Fog AdvisoryMQTAlger, Delta, Dickinson, Menominee, Schoolcraft10 hr
Apr 17, 10:02 AM CDTMarine Dense Fog AdvisoryMQT18 hr
Apr 17, 12:29 PM CDTRiver Flood WarningMQTMarquette66 hr
Apr 17, 12:32 PM CDTRiver Flood AdvisoryMQTBaraga, Houghton33 hr
Apr 17, 2:11 PM CDTGale WarningMQT33 hr
Apr 17, 2:11 PM CDTSmall Craft AdvisoryMQT22 hr
Apr 17, 4:26 PM CDTSpecial Marine WarningMQT64 min
Apr 17, 4:39 PM CDTSpecial Marine WarningMQT66 min
Apr 17, 4:41 PM CDTSevere Thunderstorm WarningMQTGogebic34 min
Apr 17, 6:15 PM CDTSpecial Weather StatementMQTGogebic45 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.