Alert archive / Minnesota / Flash Flood Warnings in 2025
Flash Flood Warning 2, NWS Duluth, MN
NWS Duluth, MN issued this flash flood warning at Jun 16, 2025, 7:22 PM CDT for Lake County, Saint Louis County, Minnesota. It was in force for 5 hr. 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 16, 2025, 7:22 PM CDT (00:22 UTC)
- Expired
- Jun 17, 2025, 12:27 AM CDT
- In force
- 5 hr
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 83 km from the middle of the area, began a volume at 00:24 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, 0.4 hours before the alert went out and 327 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
- 2580 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 13.1
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jun 16, 6:39 PM CDT, 43 minutes earlier.
Area forecast discussion, Jun 16, 6:39 PM CDT, 43 minutes before
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</html>Hazardous weather outlook, Jun 16, 3:08 PM CDT, 4 hours 14 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 308 PM CDT Mon Jun 16 2025 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-172015- Koochiching-North St. Louis-Northern Cook/Northern Lake- North Itasca-Central St. Louis-Southern Lake/North Shore- Southern Cook/North Shore-North Cass-South Itasca-South Cass- Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis- Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 308 PM CDT Mon Jun 16 2025 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...This afternoon and Tonight Scattered strong to severe thunderstorms are possible this afternoon and evening. Large hail and damaging winds are the main threats while a tornado or two are also possible. There is also a low threat for flash flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Isolated non-severe storms will be possible most afternoons and evenings this week. .SPOTTER INFORMATION STATEMENT... SKYWARN spotter activation is likely this afternoon and evening. LSZ121-140>148-150-172015- Bayfield to Oak Point WI-Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 308 PM CDT Mon Jun 16 2025 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight Isolated to scattered strong to severe storms are possible this afternoon and evening. Large hail, gusty winds, and cloud- to- water lightning are the main threats. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Isolated afternoon thunderstorms will be around for most of the week. BJH More information may be obtained at the following web address: http://www.weather.gov/duluth
In the hours before
Local storm report, Jun 16, 4:38 PM CDT, 2 hours 44 minutes before
Preliminary Local Storm Report
National Weather Service Duluth MN
438 PM CDT Mon Jun 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0436 PM Hail Lake Shore 46.50N 94.36W
06/16/2025 M0.70 Inch Cass MN Trained Spotter
&&
BJHLocal storm report, Jun 16, 4:46 PM CDT, 2 hours 36 minutes before
Preliminary Local Storm Report
National Weather Service Duluth MN
446 PM CDT Mon Jun 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0434 PM Tornado Lake Shore 46.50N 94.36W
06/16/2025 Cass MN Emergency Mngr
&&
KMLLocal storm report, Jun 16, 4:48 PM CDT, 2 hours 34 minutes before
Preliminary Local Storm Report
National Weather Service Duluth MN
448 PM CDT Mon Jun 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0442 PM Hail 1 NNW Lake Shore 46.51N 94.37W
06/16/2025 M1.00 Inch Cass MN Trained Spotter
&&
LRLocal storm report, Jun 16, 4:56 PM CDT, 2 hours 26 minutes before
Preliminary Local Storm Report
National Weather Service Duluth MN
456 PM CDT Mon Jun 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 PM Hail 1 NNE Lake Shore 46.51N 94.35W
06/16/2025 M1.25 Inch Cass MN Public
Photo was received showing larger than
quarter-sized hail.
&&
BJHLocal storm report, Jun 16, 5:15 PM CDT, 2 hours 7 minutes before
Preliminary Local Storm Report
National Weather Service Duluth MN
515 PM CDT Mon Jun 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0458 PM Tstm Wnd Dmg 1 N Merrifield 46.48N 94.17W
06/16/2025 Crow Wing MN Trained Spotter
Trees fallen in multiple directions at the
location. Time estimated from radar.
&&
BJHLocal storm report, Jun 16, 5:33 PM CDT, 1 hour 49 minutes before
Preliminary Local Storm Report
National Weather Service Duluth MN
533 PM CDT Mon Jun 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 PM Tornado 6 NW Wealthwood 46.42N 93.75W
06/16/2025 Aitkin MN Storm Chaser
Debris reported in the air and on the
ground.
&&
BJHThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:25 PM CDT | Marine Dense Fog Advisory | DLH | 11 hr | |
| Jun 16, 7:56 PM CDT | Severe Thunderstorm Warning | DLH | Burnett, Sawyer, Washburn | 53 min |
| Jun 16, 8:26 PM CDT | Tornado Warning | DLH | Sawyer, Washburn | 23 min |
Nearby
Flash Flood Warnings in Minnesota, 2025Every flash flood warning 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.