Alert archive / Michigan / Tornado Warnings in 2026

Tornado Warning 1, NWS Marquette, MI

June 30, 2026Alger County, Delta County, Michigan

NWS Marquette, MI issued this tornado warning at Jun 30, 2026, 7:14 PM EDT for Alger County, Delta County, Michigan. It was in force for 46 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: Jun 30, 2026, 7:14 PM EDT (23:14 UTC)
Expired: Jun 30, 2026, 8:00 PM EDT
In force: 46 min
Issued by: NWS Marquette, MI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Alger County, MI, Delta County, MI

The radar

The Marquette radar (KMQT), 79 km from the middle of the area, began a volume at 23:14 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

Alpena, MI (KAPX), launched 12:00Z, 11.2 hours before the alert went out and 355 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2130 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 590 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Marquette, MI wrote its last area forecast discussion before this tornado warning went out at Jun 30, 7:14 PM EDT, 0 minutes earlier.

Area forecast discussion, Jun 30, 7:14 PM EDT, 0 minutes before

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In the hours before

Local storm report, Jun 30, 4:51 PM EDT, 2 hours 23 minutes before

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Local storm report, Jun 30, 5:04 PM EDT, 2 hours 10 minutes before

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Local storm report, Jun 30, 5:06 PM EDT, 2 hours 8 minutes before

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Special weather statement, Jun 30, 6:10 PM EDT, 1 hour 4 minutes before

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Special weather statement, Jun 30, 6:33 PM EDT, 41 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 8:02 PM EDT	Special Weather Statement	MQT	Baraga	43 min
Jun 30, 3:54 AM EDT	Beach Hazards Statement	MQT	Schoolcraft	19 hr
Jun 30, 9:36 AM EDT	Small Craft Advisory	MQT		19 hr
Jun 30, 11:09 AM EDT	Special Marine Warning	MQT		66 min
Jun 30, 11:30 AM EDT	Special Marine Warning	MQT		45 min
Jun 30, 12:14 PM EDT	Special Marine Warning	MQT		61 min
Jun 30, 1:08 PM EDT	Special Marine Warning	MQT		49 min
Jun 30, 2:23 PM EDT	Special Marine Warning	MQT		37 min
Jun 30, 6:10 PM EDT	Special Weather Statement	MQT	Menominee	50 min
Jun 30, 6:29 PM EDT	Severe Thunderstorm Warning	MQT	Dickinson, Menominee	32 min
Jun 30, 6:33 PM EDT	Special Weather Statement	MQT	Delta	42 min
Jun 30, 7:00 PM EDT	Severe Thunderstorm Warning	MQT	Alger, Delta, Marquette	60 min
Jun 30, 7:07 PM EDT	Special Marine Warning	MQT		53 min
Jun 30, 7:29 PM EDT	Severe Thunderstorm Warning	MQT	Alger	61 min
Jun 30, 7:55 PM EDT	Special Marine Warning	MQT		65 min
Jun 30, 7:57 PM EDT	Special Weather Statement	MQT	Alger	48 min

Nearby

Tornado Warnings in Michigan, 2026 Every tornado warning in 2026 Tornadoes 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.