Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 41, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 17, 2018, 1:01 PM CDT for Aitkin County, Carlton County, Saint Louis County, Minnesota. It was in force for 29 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 17, 2018, 1:01 PM CDT (18:01 UTC)
- Expired
- Jun 17, 2018, 1:30 PM CDT
- In force
- 29 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Aitkin County, MN, Carlton County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 50 km from the middle of the area, began a volume at 18:04 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 17, 12:34 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 6.0 hours before the alert went out and 185 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
- 572 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 118 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 17, 12:50 PM CDT, 11 minutes earlier.
Area forecast discussion, Jun 17, 12:50 PM CDT, 11 minutes before
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</html>Hazardous weather outlook, Jun 17, 12:11 PM CDT, 50 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 1211 PM CDT Sun Jun 17 2018 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-181100- 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- 1211 PM CDT Sun Jun 17 2018 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...This afternoon and Tonight The potential for flooding and severe thunderstorms will continue across the Northland today and tonight. A Flash Flood Watch remains in effect for northwest Wisconsin and parts of northern Minnesota. Thunderstorms will be on the increase through the afternoon and evening and decrease later tonight. Heavy rain will again be possible, especially across the already hard hit areas of northwest Wisconsin. Severe thunderstorms will also be possible this afternoon through the evening, especially in an area from east central Minnesota into northern Wisconsin. Large hail, damaging winds, and a tornado will all be possible. Flash Flood watches and Flood warnings are in effect for portions of the Northland. .DAYS TWO THROUGH SEVEN...Monday through Saturday Thunderstorms are possible across northwest Wisconsin on Monday morning. Thunderstorms will again be possible from Friday into Sunday. .SPOTTER INFORMATION STATEMENT... Skywarn Spotters may be needed this afternoon into the evening. LSZ121-140>148-181100- 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- 1211 PM CDT Sun Jun 17 2018 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight Thunderstorms are possible this morning and again this afternoon and tonight. Some storms may be strong to severe with large hail, gusty winds, and frequent lightning. .DAYS TWO THROUGH SEVEN...Monday through Saturday The probability for widespread hazardous weather is low. Melde More information may be obtained at the following web address: http://www.weather.gov/duluth (all lower case)
In the hours before
Special weather statement, Jun 17, 11:36 AM CDT, 1 hour 25 minutes before
Special Weather Statement
National Weather Service Duluth MN
1136 AM CDT SUN JUN 17 2018
MNZ033>036-171645-
Northern Aitkin-Crow Wing-South Cass-South Aitkin-
1136 AM CDT SUN JUN 17 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL AITKIN...
SOUTHWESTERN CASS AND CROW WING COUNTIES...
At 1135 AM CDT, strong thunderstorms were along a line extending from
near Emily, to near Nisswa, to Motley, and moving east at 35 mph.
Wind gusts up to 40 mph, half-inch hail, heavy downpours, and
occasional cloud to ground lightning can be expected with these
storms.
Locations impacted include...
Brainerd, Baxter, Crosby, Breezy Point, Aitkin, Pequot Lakes,
Crosslake, Nisswa, Emily, Ironton, Deerwood, Pillager, Fifty Lakes,
Cuyuna, Palisade, Gull Lake, Merrifield, Saint Mathias, Cedar Lake,
and Sylvan.
Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.
LAT...LON 4655 9456 4680 9402 4681 9332 4650 9373
4620 9429 4621 9439 4624 9439 4628 9434
4629 9435 4633 9441 4633 9446 4630 9454
4633 9460 4633 9462 4636 9467 4635 9472
4638 9473 4639 9475
TIME...MOT...LOC 1635Z 263DEG 32KT 4673 9394 4655 9428 4631 9466
LESpecial weather statement, Jun 17, 11:57 AM CDT, 1 hour 4 minutes before
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Special Weather Statement National Weather Service Duluth MN 1218 PM CDT SUN JUN 17 2018 MNZ034>036-171730- Northern Aitkin-Crow Wing-South Aitkin- 1218 PM CDT SUN JUN 17 2018 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN AITKIN AND NORTHEASTERN CROW WING COUNTIES... At 1218 PM CDT, a strong thunderstorm was 7 miles north of Aitkin, or 21 miles west of Big Sandy Lake, moving east at 35 mph. Wind gusts up to 40 mph, nickel-size hail, heavy downpours, and occasional cloud to ground lightning can be expected with this storm. Locations impacted include... Palisade, Waukenabo, Kimberly, Hassman, Gun Lake, Bain, Esquagamah Lake, and Waldeck. This storm may intensify, please monitor local media outlets for additional information and possible warnings from the National Weather Service. LAT...LON 4673 9381 4686 9342 4651 9337 4659 9382 TIME...MOT...LOC 1718Z 268DEG 30KT 4664 9370 LE
Special weather statement, Jun 17, 12:33 PM CDT, 28 minutes before
Special Weather Statement
National Weather Service Duluth MN
1233 PM CDT SUN JUN 17 2018
MNZ033-034-171745-
Crow Wing-South Cass-
1233 PM CDT SUN JUN 17 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN CASS AND
CENTRAL CROW WING COUNTIES...
At 1232 PM CDT, strong thunderstorms were along a line extending from
near Pequot Lakes, to 7 miles south of Motley, and moving east at 35
mph.
Wind gusts up to 40 mph, dime-size hail, heavy downpours, and
occasional cloud to ground lightning can be expected with these
storms.
Locations impacted include...
Brainerd, Baxter, Crosby, Breezy Point, Pequot Lakes, Crosslake,
Nisswa, Ironton, Pillager, Fort Ripley, Gull Lake, Merrifield, Saint
Mathias, Sylvan, Lake Shore, East Gull Lake, Mission, St. Mathias,
Jenkins, and Wolford.
Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.
LAT...LON 4667 9448 4666 9382 4616 9426 4616 9438
4618 9437 4621 9439 4623 9439 4628 9434
4629 9435 4630 9439 4633 9441 4633 9446
4630 9454 4633 9460 4633 9462 4636 9467
4635 9468 4635 9473
TIME...MOT...LOC 1732Z 252DEG 31KT 4657 9437 4623 9464
LELocal storm report, Jun 17, 12:38 PM CDT, 23 minutes before
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</html>Special weather statement, Jun 17, 12:43 PM CDT, 18 minutes before
Special Weather Statement
National Weather Service Duluth MN
1243 PM CDT SUN JUN 17 2018
MNZ033-034-171800-
Crow Wing-South Cass-
1243 PM CDT SUN JUN 17 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTH CENTRAL CASS AND
CENTRAL CROW WING COUNTIES...
At 1243 PM CDT, strong thunderstorms were along a line extending
from near Pequot Lakes, to near Pillager, and moving east at 25 mph.
Wind gusts up to 40 mph, half-inch hail, heavy downpours, and
occasional cloud to ground lightning can be expected with these
storms.
Locations impacted include...
Brainerd, Baxter, Crosby, Breezy Point, Pequot Lakes, Crosslake,
Nisswa, Ironton, Deerwood, Pillager, Cuyuna, Fort Ripley, Upper South
Long Lake, South Long Lake, Gull Lake, Merrifield, Saint Mathias,
Sylvan, Lake Shore, and East Gull Lake.
Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.
LAT...LON 4664 9433 4663 9378 4615 9416 4616 9437
4618 9437 4621 9439 4623 9439 4627 9434
4629 9435 4630 9439 4633 9443 4633 9446
4630 9453 4632 9458
TIME...MOT...LOC 1742Z 282DEG 23KT 4657 9428 4626 9453
LEThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 9:12 PM CDT | Areal Flood Advisory | DLH | Saint Louis | 3 hr |
| Jun 16, 9:58 PM CDT | Special Weather Statement | DLH | Carlton | 17 min |
| Jun 16, 10:09 PM CDT | Special Weather Statement | DLH | Cass | 36 min |
| Jun 16, 10:19 PM CDT | Special Marine Warning | DLH | 41 min | |
| Jun 16, 10:20 PM CDT | Special Weather Statement | DLH | Aitkin, Carlton | 10 min |
| Jun 16, 10:46 PM CDT | Special Weather Statement | DLH | Aitkin, Carlton, Cass, Crow Wing | 29 min |
| Jun 16, 10:50 PM CDT | Special Weather Statement | DLH | Aitkin, Carlton, Crow Wing | 25 min |
| Jun 16, 11:06 PM CDT | Flash Flood Warning | DLH | Aitkin, Carlton, Pine | 5 hr |
| Jun 16, 11:11 PM CDT | Flash Flood Warning | DLH | Cass, Crow Wing | 4 hr |
| Jun 16, 11:24 PM CDT | Special Weather Statement | DLH | Carlton | 21 min |
| Jun 17, 12:11 AM CDT | Flash Flood Warning | DLH | Carlton, Pine | 5 hr |
| Jun 17, 3:17 AM CDT | Areal Flood Advisory | DLH | Cass, Crow Wing | 3 hr |
| Jun 17, 3:59 AM CDT | Areal Flood Warning | DLH | Aitkin, Carlton, Pine | 3 hr |
| Jun 17, 5:02 AM CDT | Areal Flood Warning | DLH | Carlton, Pine | 48 hr |
| Jun 17, 7:28 AM CDT | Areal Flood Warning | DLH | Aitkin, Carlton, Pine | 4 days |
| Jun 17, 11:36 AM CDT | Special Weather Statement | DLH | Crow Wing | 9 min |
| Jun 17, 11:57 AM CDT | Special Weather Statement | DLH | Crow Wing | 18 min |
| Jun 17, 12:18 PM CDT | Special Weather Statement | DLH | Aitkin | 12 min |
| Jun 17, 12:30 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton | 30 min |
| Jun 17, 12:33 PM CDT | Special Weather Statement | DLH | Crow Wing | 12 min |
| Jun 17, 12:43 PM CDT | Special Weather Statement | DLH | Crow Wing | 17 min |
| Jun 17, 1:09 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing | 36 min |
| Jun 17, 1:32 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 43 min |
| Jun 17, 1:46 PM CDT | Special Weather Statement | DLH | Aitkin | 14 min |
| Jun 17, 1:47 PM CDT | Special Weather Statement | DLH | 13 min | |
| Jun 17, 1:53 PM CDT | Special Marine Warning | DLH | 67 min | |
| Jun 17, 1:53 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 22 min |
| Jun 17, 2:05 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Pine | 25 min |
| Jun 17, 2:16 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 29 min |
| Jun 17, 2:23 PM CDT | Special Weather Statement | DLH | Lake | 22 min |
| Jun 17, 2:25 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 35 min |
| Jun 17, 2:29 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Pine | 31 min |
| Jun 17, 2:41 PM CDT | Areal Flood Advisory | DLH | Saint Louis | 2 hr |
| Jun 17, 2:51 PM CDT | Areal Flood Advisory | DLH | Lake, Saint Louis | 114 min |
| Jun 17, 3:00 PM CDT | Special Marine Warning | DLH | 60 min | |
| Jun 17, 3:01 PM CDT | Severe Thunderstorm Warning | DLH | Pine | 44 min |
| Jun 17, 3:31 PM CDT | Special Marine Warning | DLH | 79 min | |
| Jun 16, 8:41 PM CDT | Special Weather Statement | DLH | Burnett | 19 min |
| Jun 16, 8:59 PM CDT | Special Weather Statement | DLH | Douglas | 16 min |
| Jun 16, 9:22 PM CDT | Severe Thunderstorm Warning | DLH | Burnett, Douglas, Washburn | 23 min |
| Jun 16, 10:02 PM CDT | Severe Thunderstorm Warning | DLH | Burnett, Douglas, Washburn | 28 min |
| Jun 16, 10:25 PM CDT | Special Weather Statement | DLH | Ashland | 20 min |
| Jun 16, 10:39 PM CDT | Flash Flood Warning | DLH | Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer and 1 more | 8 hr |
| Jun 16, 11:46 PM CDT | Flash Flood Warning | DLH | Bayfield | 5 hr |
| Jun 17, 4:33 AM CDT | Areal Flood Warning | DLH | Burnett, Price, Sawyer, Washburn | 3 hr |
| Jun 17, 6:27 AM CDT | Areal Flood Warning | DLH | Ashland, Bayfield, Douglas | 48 hr |
| Jun 17, 2:53 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 22 min |
| Jun 17, 3:17 PM CDT | Special Weather Statement | DLH | Bayfield | 13 min |
| Jun 17, 3:36 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas, Sawyer, Washburn | 24 min |
| Jun 17, 3:39 PM CDT | Special Weather Statement | DLH | Bayfield | 21 min |
| Jun 17, 3:42 PM CDT | Severe Thunderstorm Warning | DLH | Burnett, Washburn | 33 min |
| Jun 17, 3:47 PM CDT | Flash Flood Warning | DLH | Bayfield, Douglas | 3 hr |
| Jun 17, 3:57 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Iron, Price, Sawyer | 78 min |
| Jun 17, 4:14 PM CDT | Severe Thunderstorm Warning | DLH | Sawyer, Washburn | 31 min |
| Jun 17, 4:22 PM CDT | Special Weather Statement | DLH | Burnett | 23 min |
| Jun 17, 4:23 PM CDT | Flash Flood Warning | DLH | Ashland, Bayfield, Iron | 3 hr |
| Jun 17, 4:34 PM CDT | Special Weather Statement | DLH | Sawyer | 11 min |
| Jun 17, 4:48 PM CDT | Special Weather Statement | DLH | Sawyer, Washburn | 27 min |
| Jun 17, 4:59 PM CDT | Areal Flood Advisory | DLH | Bayfield, Sawyer | 3 hr |
| Jun 17, 5:02 PM CDT | Special Weather Statement | DLH | Price | 13 min |
| Jun 17, 5:15 PM CDT | Special Weather Statement | DLH | Sawyer | 30 min |
| Jun 17, 5:17 PM CDT | Special Weather Statement | DLH | Iron | 28 min |
| Jun 17, 5:43 PM CDT | Special Weather Statement | DLH | Price | 17 min |
| Jun 17, 6:03 PM CDT | Special Weather Statement | DLH | Price | 12 min |
| Jun 17, 6:17 PM CDT | Special Weather Statement | DLH | Price | 13 min |
| Jun 17, 6:33 PM CDT | Special Weather Statement | DLH | Price | 12 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018
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.