Alert archive / Minnesota / Tornado Warnings in 2026

Tornado Warning 10, NWS Duluth, MN

June 29, 2026Cass County, Crow Wing County, Minnesota

NWS Duluth, MN issued this tornado warning at Jun 29, 2026, 10:52 PM CDT for Cass County, Crow Wing County, Minnesota. It was in force for 38 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 29, 2026, 10:52 PM CDT (03:52 UTC)
Expired: Jun 29, 2026, 11:30 PM CDT
In force: 38 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Cass County, MN, Crow Wing County, MN

The radar

The Duluth radar (KDLH), 152 km from the middle of the area, began a volume at 03:50 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.

Issued	Product	Office	Lasted
Jun 29, 7:48 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.9 hours before the alert went out and 213 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: 4778 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 376 m²/s²
Significant tornado parameter: 6.8
Supercell composite: 41.5

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 Duluth, MN wrote its last area forecast discussion before this tornado warning went out at Jun 29, 6:46 PM CDT, 4 hours 6 minutes earlier.

Area forecast discussion, Jun 29, 6:46 PM CDT, 4 hours 6 minutes before

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Hazardous weather outlook, Jun 29, 4:44 PM CDT, 6 hours 8 minutes before

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In the hours before

Local storm report, Jun 29, 6:38 PM CDT, 4 hours 14 minutes before

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Local storm report, Jun 29, 6:40 PM CDT, 4 hours 12 minutes before

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Local storm report, Jun 29, 6:43 PM CDT, 4 hours 9 minutes before

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Local storm report, Jun 29, 6:48 PM CDT, 4 hours 4 minutes before

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Local storm report, Jun 29, 6:52 PM CDT, 4 hours before

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Local storm report, Jun 29, 6:55 PM CDT, 3 hours 57 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 10:25 PM CDT	Special Marine Warning	DLH		22 min
Jun 29, 10:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Cass, Crow Wing	58 min
Jun 29, 11:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Aitkin, Cass, Crow Wing	67 min
Jun 29, 11:31 PM CDT	Areal Flood Advisory	DLH	Crow Wing	3 hr
Jun 29, 11:41 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DLH	Aitkin, Carlton, Itasca, Saint Louis	64 min
Jun 29, 11:44 PM CDT	Severe Thunderstorm Warning	DLH	Koochiching	76 min
Jun 30, 12:23 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Itasca, Lake, Saint Louis	52 min
Jun 30, 12:51 AM CDT	Special Marine Warning	DLH		54 min
Jun 30, 1:10 AM CDT	Severe Thunderstorm Warning	DLH	Cook, Lake, Saint Louis	65 min
Jun 30, 1:14 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Lake, Saint Louis	61 min
Jun 30, 1:20 AM CDT	Special Marine Warning	DLH		55 min
Jun 30, 1:40 AM CDT	Special Marine Warning	DLH		31 min
Jun 30, 11:16 AM CDT	Marine Dense Fog Advisory	DLH		22 hr

Nearby

Tornado Warnings in Minnesota, 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.