Alert archive / Minnesota / Tornado Warnings in 2025

Tornado Warning 1, NWS Duluth, MN

April 28, 2025Aitkin County, Crow Wing County, Minnesota

NWS Duluth, MN issued this tornado warning at Apr 28, 2025, 7:12 PM CDT for Aitkin County, Crow Wing County, Minnesota. It was in force for 48 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 28, 2025, 7:12 PM CDT (00:12 UTC)
Expired: Apr 28, 2025, 8:00 PM CDT
In force: 48 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Aitkin County, MN, Crow Wing County, MN

The radar

The Duluth radar (KDLH), 121 km from the middle of the area, began a volume at 00:15 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 00:00Z, 0.2 hours before the alert went out and 189 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: 471 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1064 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

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 Apr 28, 3:45 PM CDT, 3 hours 27 minutes earlier.

Area forecast discussion, Apr 28, 3:45 PM CDT, 3 hours 27 minutes before

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Hazardous weather outlook, Apr 28, 12:22 PM CDT, 6 hours 50 minutes before

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In the hours before

Local storm report, Apr 28, 4:07 PM CDT, 3 hours 5 minutes before

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Local storm report, Apr 28, 6:22 PM CDT, 50 minutes before

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Local storm report, Apr 28, 6:47 PM CDT, 25 minutes before

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Local storm report, Apr 28, 6:49 PM CDT, 23 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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        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
Apr 28, 7:00 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Crow Wing	45 min
Apr 28, 8:29 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Saint Louis	46 min
Apr 29, 3:46 AM CDT	Gale Warning	DLH		6 hr
Apr 29, 5:29 AM CDT	Wind Advisory	DLH	Cook, Lake, Saint Louis	5 hr
Apr 28, 8:11 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	49 min

Nearby

Tornado Warnings in Minnesota, 2025 Every tornado warning in 2025 Tornadoes 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.