Alert archive / Minnesota / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 39, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 18, 2024, 5:09 AM CDT for Koochiching County, Minnesota. It was in force for 52 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
- Jun 18, 2024, 5:09 AM CDT (10:09 UTC)
- Expired
- Jun 18, 2024, 6:01 AM CDT
- In force
- 52 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Koochiching County, MN
The radar
The Duluth radar (KDLH), 196 km from the middle of the area, began a volume at 10:10 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 |
|---|---|---|---|
| Jun 18, 2:08 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 10.2 hours before the alert went out and 51 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1368 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 18, 4:59 AM CDT, 10 minutes earlier.
Area forecast discussion, Jun 18, 4:59 AM CDT, 10 minutes before
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Special weather statement, Jun 18, 3:40 AM CDT, 1 hour 29 minutes before
Special Weather Statement
National Weather Service Duluth MN
340 AM CDT Tue Jun 18 2024
MNZ019-037-180915-
Central St. Louis MN-Carlton/South St. Louis MN-
340 AM CDT Tue Jun 18 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL ST. LOUIS AND
NORTHEASTERN CARLTON COUNTIES THROUGH 415 AM CDT...
At 340 AM CDT, Doppler radar was tracking a strong thunderstorm near
Fond Du Lac Band Sawyer Area, or near Cloquet, moving northeast at 45
mph.
HAZARD...Wind gusts up to 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Duluth, Cloquet, Hermantown, Scanlon, Brookston, Saginaw, Fond Du Lac
Band Brookston Area, Island Lake, Fond Du Lac Band Cloquet Area, Pike
Lake Near Duluth, City of Rice Lake, Fond Du Lac Band Sawyer Area,
Grand Lake, Fredenberg, Mahnomen, Culver, Fish Lake, Sawyer, Shaw,
and Duluth Heights.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 900 AM CDT for
northeastern Minnesota.
&&
LAT...LON 4660 9265 4676 9282 4715 9232 4687 9201
TIME...MOT...LOC 0840Z 234DEG 38KT 4675 9263
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
MeldeSpecial weather statement, Jun 18, 3:42 AM CDT, 1 hour 27 minutes before
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Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 11:24 PM CDT | Special Weather Statement | DLH | Cass | 36 min |
| Jun 18, 1:33 AM CDT | Special Weather Statement | DLH | Aitkin, Crow Wing | 42 min |
| Jun 18, 2:08 AM CDT | Special Weather Statement | DLH | Crow Wing | 37 min |
| Jun 18, 2:29 AM CDT | Special Weather Statement | DLH | Aitkin, Carlton | 31 min |
| Jun 18, 2:51 AM CDT | Areal Flood Advisory | DLH | Aitkin, Carlton, Crow Wing, Saint Louis | 4 hr |
| Jun 18, 2:53 AM CDT | Special Weather Statement | DLH | Crow Wing | 37 min |
| Jun 18, 3:03 AM CDT | Special Weather Statement | DLH | Aitkin, Carlton | 42 min |
| Jun 18, 3:15 AM CDT | Special Weather Statement | DLH | Aitkin | 30 min |
| Jun 18, 3:18 AM CDT | Special Weather Statement | DLH | Aitkin | 27 min |
| Jun 18, 3:23 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing, Itasca | 37 min |
| Jun 18, 3:40 AM CDT | Special Weather Statement | DLH | Carlton | 35 min |
| Jun 18, 3:42 AM CDT | Special Weather Statement | DLH | Aitkin | 33 min |
| Jun 18, 4:00 AM CDT | Special Weather Statement | DLH | Aitkin | 30 min |
| Jun 18, 4:25 AM CDT | Special Weather Statement | DLH | Saint Louis | 35 min |
| Jun 18, 4:29 AM CDT | Special Weather Statement | DLH | Koochiching | 31 min |
| Jun 18, 4:52 AM CDT | Special Weather Statement | DLH | Koochiching | 23 min |
| Jun 18, 5:02 AM CDT | Severe Thunderstorm Warning | DLH | Cass, Crow Wing, Itasca, Koochiching | 58 min |
| Jun 18, 5:43 AM CDT | Special Weather Statement | DLH | Lake | 32 min |
| Jun 18, 5:56 AM CDT | Special Weather Statement | DLH | Cass | 34 min |
| Jun 18, 5:58 AM CDT | Special Weather Statement | DLH | Itasca | 32 min |
| Jun 18, 6:03 AM CDT | Special Weather Statement | DLH | Koochiching | 27 min |
| Jun 18, 6:25 AM CDT | Special Weather Statement | DLH | Itasca | 35 min |
| Jun 18, 6:27 AM CDT | Special Weather Statement | DLH | Koochiching | 33 min |
| Jun 18, 8:55 AM CDT | Special Weather Statement | DLH | Itasca | 35 min |
| Jun 18, 10:50 AM CDT | Special Weather Statement | DLH | 25 min | |
| Jun 18, 12:12 PM CDT | Special Weather Statement | DLH | Itasca | 33 min |
| Jun 18, 12:36 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Saint Louis | 39 min |
| Jun 18, 1:03 PM CDT | Areal Flood Advisory | DLH | Cass, Itasca, Saint Louis | 75 min |
| Jun 18, 1:11 PM CDT | Special Weather Statement | DLH | Saint Louis | 34 min |
| Jun 18, 1:28 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 47 min |
| Jun 18, 1:57 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 48 min |
| Jun 18, 1:59 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 21 min |
| Jun 18, 2:13 PM CDT | Flash Flood Warning | DLH | Itasca, Saint Louis | 7 hr |
| Jun 18, 2:18 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 42 min |
| Jun 18, 2:46 PM CDT | Tornado Warning | DLH | Cass, Itasca | 29 min |
| Jun 18, 2:48 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 42 min |
| Jun 18, 2:51 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 39 min |
| Jun 18, 3:05 PM CDT | Tornado Warning | DLH | Cass, Itasca | 40 min |
| Jun 18, 3:09 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca, Saint Louis | 39 min |
| Jun 18, 3:10 PM CDT | Tornado Warning | DLH | Cass, Itasca | 37 min |
| Jun 18, 3:24 PM CDT | Flash Flood Warning | DLH | Saint Louis | 9 hr |
| Jun 18, 4:01 PM CDT | Flash Flood Warning | DLH | Cass, Crow Wing, Itasca, Koochiching, Saint Louis | 5 hr |
| Jun 18, 4:53 PM CDT | Special Marine Warning | DLH | 67 min | |
| Jun 18, 4:58 PM CDT | Flash Flood Warning | DLH | Lake, Saint Louis | 4 hr |
| Jun 18, 5:05 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Crow Wing | 26 min |
| Jun 18, 5:07 PM CDT | Tornado Warning | DLH | Saint Louis | 23 min |
| Jun 18, 5:34 PM CDT | Tornado Warning | DLH | Saint Louis | 24 min |
| Jun 18, 5:41 PM CDT | Special Marine Warning | DLH | 64 min | |
| Jun 18, 6:19 PM CDT | Flash Flood Warning | DLH | Cook, Lake, Saint Louis | 6 hr |
| Jun 18, 6:53 PM CDT | Marine Dense Fog Advisory | DLH | 12 hr | |
| Jun 18, 6:55 PM CDT | Areal Flood Advisory | DLH | Aitkin, Carlton, Crow Wing, Itasca, Saint Louis | 3 hr |
| Jun 18, 6:56 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 34 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2024Every severe thunderstorm warning in 2024
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.