Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 45, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jul 15, 2019, 12:35 PM CDT for Koochiching County, Minnesota. It was in force for 40 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 15, 2019, 12:35 PM CDT (17:35 UTC)
- Expired
- Jul 15, 2019, 1:15 PM CDT
- In force
- 40 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 17:38 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 12:00Z, 5.6 hours before the alert went out and 378 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
- 1021 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1307 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 87 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 Jul 15, 6:49 AM CDT, 5 hours 46 minutes earlier.
Area forecast discussion, Jul 15, 6:49 AM CDT, 5 hours 46 minutes before
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Hazardous Weather Outlook National Weather Service Duluth MN 432 AM CDT Mon Jul 15 2019 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-161030- 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- 432 AM CDT Mon Jul 15 2019 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...Today and Tonight Thunderstorms will occur again today into tonight across the Northland. Thunderstorms this morning will pose mainly a heavy rain and pea to dime size hail threat but storms this afternoon through late evening will be capable of producing large hail, damaging wind, and more heavy rainfall. Heat indices will be from 90 to 100 this afternoon over much of the area. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Thunderstorms will be possible through much of the upcoming week, some strong to severe, especially Wednesday afternoon through Wednesday night. The main threats will be large hail, damaging winds, and frequent lightning. Flash flooding will also be possible Wednesday night. Conditions will remain warm and muggy through the week, with heat indicies approaching 90 degrees for areas away from Lake Superior. .SPOTTER INFORMATION STATEMENT... Skywarn spotters may be needed this afternoon into the late evening. LSZ121-140>148-161030- 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- 432 AM CDT Mon Jul 15 2019 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...Today and Tonight Another round of thunderstorms will be possible over western Lake Superior this afternoon and evening, with some storms strong to severe. The main threats will be large hail, strong gusty winds in excess of 33 knots, and frequent cloud-to-water lightning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Several rounds of thunderstorms are forecast during much of this week. Some storms could be strong to severe, with gusty winds, large hail, and frequent cloud-to-water lightning the main threats. Melde/JTS 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, Jul 15, 11:20 AM CDT, 1 hour 15 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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</html>The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:03 PM CDT | Special Weather Statement | DLH | Aitkin | 12 min |
| Jul 14, 7:13 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Pine | 47 min |
| Jul 14, 7:30 PM CDT | Areal Flood Warning | DLH | Crow Wing | 73 min |
| Jul 14, 8:14 PM CDT | Special Weather Statement | DLH | Pine | 31 min |
| Jul 14, 8:44 PM CDT | Special Weather Statement | DLH | Pine | 31 min |
| Jul 14, 9:02 PM CDT | Special Weather Statement | DLH | 13 min | |
| Jul 14, 9:15 PM CDT | Special Marine Warning | DLH | 60 min | |
| Jul 14, 10:00 PM CDT | Special Weather Statement | DLH | 15 min | |
| Jul 15, 11:20 AM CDT | Special Weather Statement | DLH | Koochiching | 10 min |
| Jul 15, 11:31 AM CDT | Special Weather Statement | DLH | Koochiching | 14 min |
| Jul 15, 11:49 AM CDT | Special Weather Statement | DLH | Koochiching | 11 min |
| Jul 15, 12:01 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 44 min |
| Jul 15, 12:53 PM CDT | Special Weather Statement | DLH | Koochiching | 22 min |
| Jul 15, 1:03 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 42 min |
| Jul 15, 1:17 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching, Saint Louis | 28 min |
| Jul 15, 1:52 PM CDT | Special Weather Statement | DLH | Koochiching | 38 min |
| Jul 15, 1:54 PM CDT | Special Weather Statement | DLH | Itasca | 51 min |
| Jul 15, 2:22 PM CDT | Severe Thunderstorm Warning | DLH | Itasca | 38 min |
| Jul 15, 2:34 PM CDT | Special Weather Statement | DLH | Saint Louis | 41 min |
| Jul 15, 2:45 PM CDT | Special Weather Statement | DLH | Saint Louis | 15 min |
| Jul 15, 2:53 PM CDT | Special Weather Statement | DLH | Saint Louis | 22 min |
| Jul 15, 2:54 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 51 min |
| Jul 15, 3:03 PM CDT | Special Weather Statement | DLH | 12 min | |
| Jul 15, 3:18 PM CDT | Special Weather Statement | DLH | Saint Louis | 12 min |
| Jul 15, 3:33 PM CDT | Severe Thunderstorm Warning | DLH | Cook, Lake, Saint Louis | 42 min |
| Jul 15, 3:38 PM CDT | Special Weather Statement | DLH | Saint Louis | 22 min |
| Jul 15, 3:40 PM CDT | Special Weather Statement | DLH | Carlton | 20 min |
| Jul 15, 3:47 PM CDT | Special Weather Statement | DLH | Morrison | 13 min |
| Jul 15, 4:02 PM CDT | Special Weather Statement | DLH | Morrison | 13 min |
| Jul 15, 4:12 PM CDT | Severe Thunderstorm Warning | DLH | Cook, Lake | 63 min |
| Jul 15, 4:18 PM CDT | Special Weather Statement | DLH | Morrison | 12 min |
| Jul 15, 4:19 PM CDT | Special Weather Statement | DLH | Saint Louis | 11 min |
| Jul 15, 4:26 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 34 min |
| Jul 15, 4:31 PM CDT | Special Marine Warning | DLH | 44 min | |
| Jul 15, 4:39 PM CDT | Special Marine Warning | DLH | 51 min | |
| Jul 15, 4:53 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 30 min |
| Jul 15, 5:00 PM CDT | Severe Thunderstorm Warning | DLH | Lake | 15 min |
| Jul 15, 5:04 PM CDT | Special Marine Warning | DLH | 56 min | |
| Jul 15, 5:24 PM CDT | Special Weather Statement | DLH | Chisago | 21 min |
| Jul 15, 5:27 PM CDT | Special Marine Warning | DLH | 33 min | |
| Jul 15, 5:31 PM CDT | Special Marine Warning | DLH | 44 min | |
| Jul 15, 5:38 PM CDT | Severe Thunderstorm Warning | DLH | Pine | 37 min |
| Jul 15, 5:43 PM CDT | Special Marine Warning | DLH | 62 min | |
| Jul 15, 12:10 AM CDT | Special Weather Statement | DLH | Iron | 35 min |
| Jul 15, 1:08 AM CDT | Areal Flood Advisory | DLH | Ashland, Iron | 4 hr |
| Jul 15, 1:35 AM CDT | Areal Flood Advisory | DLH | Ashland, Bayfield, Iron | 3 hr |
| Jul 15, 4:56 AM CDT | Special Weather Statement | DLH | Sawyer | 34 min |
| Jul 15, 5:36 AM CDT | Special Weather Statement | DLH | Sawyer | 24 min |
| Jul 15, 6:13 AM CDT | Special Weather Statement | DLH | Rusk | 32 min |
| Jul 15, 3:05 PM CDT | Special Weather Statement | DLH | Price | 25 min |
| Jul 15, 3:30 PM CDT | Special Weather Statement | DLH | Price | 15 min |
| Jul 15, 3:48 PM CDT | Special Weather Statement | DLH | Price | 12 min |
| Jul 15, 5:03 PM CDT | Special Weather Statement | DLH | Washburn | 12 min |
| Jul 15, 5:18 PM CDT | Special Weather Statement | DLH | Sawyer | 12 min |
| Jul 15, 5:30 PM CDT | Special Weather Statement | DLH | Sawyer | 15 min |
| Jul 15, 5:34 PM CDT | Special Weather Statement | DLH | Washburn | 11 min |
| Jul 15, 5:40 PM CDT | Severe Thunderstorm Warning | DLH | Sawyer | 23 min |
| Jul 15, 5:45 PM CDT | Special Weather Statement | DLH | Bayfield | 30 min |
| Jul 15, 6:02 PM CDT | Special Weather Statement | DLH | Ashland, Bayfield, Douglas | 28 min |
| Jul 15, 6:12 PM CDT | Special Weather Statement | DLH | Burnett | 18 min |
| Jul 15, 6:26 PM CDT | Special Weather Statement | DLH | Sawyer | 19 min |
| Jul 15, 6:32 PM CDT | Special Weather Statement | DLH | Washburn | 13 min |
| Jul 15, 6:35 PM CDT | Areal Flood Warning | DLH | Sawyer | 2 hr |
| Jul 15, 6:37 PM CDT | Special Weather Statement | DLH | Ashland | 23 min |
| Jul 15, 6:52 PM CDT | Special Weather Statement | DLH | Sawyer | 23 min |
| Jul 15, 6:56 PM CDT | Special Weather Statement | DLH | Douglas | 19 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2019Every severe thunderstorm warning in 2019
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.