Alert archive / Minnesota / Mesoscale Discussions in 2025

Mesoscale Discussion 1413

June 22, 2025Beltrami County, Koochiching County, Lake of the Woods County, Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2025, 8:18 PM CDT for Beltrami County, Koochiching County, Lake of the Woods County, Minnesota. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Jun 22, 2025, 8:18 PM CDT (01:18 UTC)
Expired: Jun 22, 2025, 10:15 PM CDT
In force: 117 min
Issued by: the Storm Prediction Center
Concerning: Tornado watch 451

Counties Beltrami County, MN, Koochiching County, MN, Lake of the Woods County, MN

The radar

The Duluth radar (KDLH), 225 km from the middle of the area, began a volume at 01:17 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

International Fa, MN (KINL), launched 00:00Z, 1.3 hours before the alert went out and 82 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: 1210 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 688 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 518 m²/s²
0-3 km storm-relative helicity: 797 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 35.4

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 2:23 AM CDT	Mesoscale Discussion	SPC	Aitkin, Benton, Carlton, Cass, Crow Wing, Itasca and 6 more	97 min
Jun 23, 12:29 PM CDT	Mesoscale Discussion	SPC	Fillmore, Houston	3 hr
Jun 23, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	Houston	8 hr

Nearby

Mesoscale Discussions in Minnesota, 2025 Every mesoscale discussion 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.