Alert archive / Minnesota / Tornado Warnings in 2025

Tornado Warning 21, NWS Duluth, MN

June 22, 2025Koochiching County, Minnesota

NWS Duluth, MN issued this tornado warning at Jun 22, 2025, 8:55 PM CDT for Koochiching County, Minnesota. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 22, 2025, 8:55 PM CDT (01:55 UTC)
Expired
Jun 22, 2025, 9:45 PM CDT
In force
50 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Koochiching County, MN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 22, 2:58 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 1.9 hours before the alert went out and 66 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, International Fa, MN at 00:00Z on 2025-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1210 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2025-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 518 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
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.

965 
WFUS53 KDLH 230155
TORDLH
MNC071-230245-
/O.NEW.KDLH.TO.W.0021.250623T0155Z-250623T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Duluth MN
855 PM CDT Sun Jun 22 2025

The National Weather Service in Duluth MN has issued a

* Tornado Warning for...
  Northwestern Koochiching County in north central Minnesota...

* Until 945 PM CDT.

* At 855 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 14 miles southeast of Baudette, moving northeast at 25
  mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Birchdale, Franz Jevne State Park and Manitou.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4870 9426 4869 9425 4866 9426 4865 9423
      4864 9400 4863 9395 4863 9384 4862 9384
      4848 9443 4866 9443 4871 9434 4871 9430
TIME...MOT...LOC 0155Z 247DEG 24KT 4852 9446 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Britt
3 follow-up statements
417 
WWUS53 KDLH 230216
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
916 PM CDT Sun Jun 22 2025

MNC071-230245-
/O.CON.KDLH.TO.W.0021.000000T0000Z-250623T0245Z/
Koochiching MN-
916 PM CDT Sun Jun 22 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
NORTHWESTERN KOOCHICHING COUNTY...

At 916 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Birchdale, or 39 miles west of
International Falls, moving northeast at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Birchdale, Manitou, and Franz Jevne State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4870 9426 4869 9425 4866 9426 4865 9423
      4864 9400 4863 9395 4863 9384 4862 9384
      4851 9432 4865 9433 4871 9434 4871 9430
TIME...MOT...LOC 0216Z 247DEG 24KT 4858 9426 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Britt
955 
WWUS53 KDLH 230222
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
922 PM CDT Sun Jun 22 2025

MNC071-230245-
/O.CON.KDLH.TO.W.0021.000000T0000Z-250623T0245Z/
Koochiching MN-
922 PM CDT Sun Jun 22 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
NORTHWESTERN KOOCHICHING COUNTY...

At 922 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Birchdale, or 36 miles west of International Falls,
moving northeast at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Birchdale, Manitou, and Franz Jevne State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4865 9423 4864 9400 4863 9395 4863 9384
      4862 9384 4852 9426 4861 9425
TIME...MOT...LOC 0222Z 247DEG 24KT 4860 9420 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Britt
217 
WWUS53 KDLH 230229
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
929 PM CDT Sun Jun 22 2025

MNC071-230245-
/O.CON.KDLH.TO.W.0021.000000T0000Z-250623T0245Z/
Koochiching MN-
929 PM CDT Sun Jun 22 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR NORTH
CENTRAL KOOCHICHING COUNTY...

At 929 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Birchdale, or 33 miles west of International Falls,
moving northeast at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Birchdale, Manitou, and Franz Jevne State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4864 9400 4863 9395 4863 9384 4862 9384
      4854 9417 4860 9416 4865 9416
TIME...MOT...LOC 0229Z 247DEG 24KT 4862 9413 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Britt

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:37 PM CDTTornado WarningDLHKoochiching23 min
Jun 22, 9:16 PM CDTDense Fog AdvisoryDLHCarlton, Saint Louis9 hr
Jun 22, 9:19 PM CDTSevere Thunderstorm WarningDLHKoochiching56 min
Jun 22, 9:28 PM CDTTornado WarningDLHKoochiching32 min
Jun 23, 1:41 AM CDTSmall Craft AdvisoryDLH14 hr
Jun 23, 2:11 AM CDTSevere Thunderstorm WarningDLHAitkin, Cass, Crow Wing, Itasca64 min
Jun 23, 2:47 AM CDTSevere Thunderstorm WarningDLHAitkin28 min
Jun 23, 3:02 AM CDTSevere Thunderstorm Warning Considerable damage threatDLHAitkin, Carlton, Itasca, Saint Louis58 min
Jun 23, 3:59 AM CDTSevere Thunderstorm WarningDLHLake, Saint Louis46 min
Jun 23, 4:27 AM CDTSevere Thunderstorm WarningDLHCook, Lake, Saint Louis63 min
Jun 23, 4:35 AM CDTSpecial Marine WarningDLH55 min
Jun 23, 5:25 AM CDTSpecial Marine WarningDLH35 min

Nearby

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