Alert archive / Minnesota / Tornado Warnings in 2025
Tornado Warning 23, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Jul 4, 2025, 6:30 PM CDT for Koochiching County, Saint Louis County, Minnesota. It was in force for 30 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
- Jul 4, 2025, 6:30 PM CDT (23:30 UTC)
- Expired
- Jul 4, 2025, 7:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Koochiching County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 138 km from the middle of the area, began a volume at 23:31 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 |
|---|---|---|---|
| Jul 4, 2:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.5 hours before the alert went out and 74 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.
- Mixed-layer CAPE
- 57 J/kg
- Mixed-layer CIN
- -407 J/kg
- Mixed-layer LCL
- 995 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 1:25 AM CDT | Severe Thunderstorm Warning | DLH | Pine | 35 min |
| Jul 4, 2:47 AM CDT | Extreme Heat Warning | DLH | Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 2 more | 17 hr |
| Jul 4, 2:58 AM CDT | Flood Watch | DLH | Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 3 more | 31 hr |
| Jul 4, 5:43 AM CDT | Special Marine Warning | DLH | 32 min | |
| Jul 4, 9:04 AM CDT | Severe Thunderstorm Warning | DLH | Cook | 26 min |
| Jul 4, 1:06 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 39 min |
| Jul 4, 1:43 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 47 min |
| Jul 4, 2:33 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 42 min |
| Jul 4, 3:04 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 56 min |
| Jul 4, 3:09 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 66 min |
| Jul 4, 3:32 PM CDT | Areal Flood Advisory | DLH | Koochiching | 4 hr |
| Jul 4, 3:39 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 51 min |
| Jul 4, 4:08 PM CDT | Areal Flood Advisory | DLH | Koochiching | 4 hr |
| Jul 4, 5:20 PM CDT | Areal Flood Advisory | DLH | Koochiching, Saint Louis | 5 hr |
| Jul 4, 5:38 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 67 min |
| Jul 4, 6:19 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching, Saint Louis | 56 min |
| Jul 4, 6:32 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 15 min |
| Jul 4, 3:43 AM CDT | Severe Thunderstorm Warning | DLH | Washburn | 32 min |
| Jul 4, 4:12 AM CDT | Flash Flood Warning | DLH | Burnett, Washburn | 3 hr |
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; radar from the NEXRAD Level II archive.