Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 32, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 15, 2018, 5:59 AM CDT for Ashland County, Iron County, Wisconsin. It was in force for 46 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 15, 2018, 5:59 AM CDT (10:59 UTC)
- Expired
- Jun 15, 2018, 6:45 AM CDT
- In force
- 46 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Ashland County, WI, Iron County, WI
The radar
The Duluth radar (KDLH), 139 km from the middle of the area, began a volume at 11:00 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 11.0 hours before the alert went out and 285 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
- 2461 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 173 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 15, 4:54 AM CDT, 1 hour 5 minutes earlier.
Area forecast discussion, Jun 15, 4:54 AM CDT, 1 hour 5 minutes before
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</html>Hazardous weather outlook, Jun 15, 5:01 AM CDT, 58 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 501 AM CDT Fri Jun 15 2018 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-161015- 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- 501 AM CDT Fri Jun 15 2018 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...Today and Tonight Thunderstorms will track across parts of northeast Minnesota and northwest Wisconsin this morning, some of which could be strong to severe producing large hail. In addition, heavy rainfall rates will reduce visibility at times and briefly create ponding on roads. There will be a break in the thunderstorm activity late morning into the afternoon today, then another round of thunderstorms is possible late this afternoon and overnight tonight. Some storms could be strong to severe producing large hail and gusty winds, especially after midnight tonight. In addition, all storms will produce heavy rainfall rates. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Several rounds of thunderstorms are anticipated Saturday and Sunday. Strong to severe storms are possible. In addition, there is a potential for heavy rain and some flooding, especially on Sunday. .SPOTTER INFORMATION STATEMENT... Skywarn Spotters may be needed today and tonight. Reports of any size hail, wind damage, and rainfall measurements are requested. LSZ121-140>148-161015- 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- 501 AM CDT Fri Jun 15 2018 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...Today and Tonight Thunderstorms are likely today and tonight. Occasional lightning, gusty winds and heavy rain are expected. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Several rounds of thunderstorms are forecast from Saturday through Monday. Occasional lightning, gusty winds and heavy rain are expected through Sunday. GSF/JJM 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 15, 4:46 AM CDT, 1 hour 13 minutes before
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</html>Local storm report, Jun 15, 5:08 AM CDT, 51 minutes before
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</html>Special weather statement, Jun 15, 5:16 AM CDT, 43 minutes before
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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 |
|---|---|---|---|---|
| Jun 15, 2:57 AM CDT | Special Weather Statement | DLH | Koochiching | 33 min |
| Jun 15, 3:32 AM CDT | Special Weather Statement | DLH | Cass | 28 min |
| Jun 15, 3:52 AM CDT | Special Weather Statement | DLH | Itasca, Koochiching, Saint Louis | 53 min |
| Jun 15, 4:17 AM CDT | Special Weather Statement | DLH | Cass, Crow Wing | 58 min |
| Jun 15, 4:46 AM CDT | Special Weather Statement | DLH | Lake | 29 min |
| Jun 15, 5:10 AM CDT | Special Weather Statement | DLH | Saint Louis | 20 min |
| Jun 15, 8:50 AM CDT | Special Marine Warning | DLH | 25 min | |
| Jun 15, 10:09 AM CDT | Special Weather Statement | DLH | Carlton | 21 min |
| Jun 15, 10:22 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Pine | 38 min |
| Jun 15, 11:01 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Pine | 44 min |
| Jun 15, 11:07 AM CDT | Special Weather Statement | DLH | Cass | 23 min |
| Jun 15, 11:43 AM CDT | Special Weather Statement | DLH | Aitkin | 17 min |
| Jun 15, 12:01 PM CDT | Special Weather Statement | DLH | Aitkin | 14 min |
| Jun 15, 12:04 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin | 26 min |
| Jun 15, 12:11 PM CDT | Special Weather Statement | DLH | Carlton | 19 min |
| Jun 15, 12:16 PM CDT | Flash Flood Watch | DLH | Aitkin, Carlton, Cass, Crow Wing, Itasca, Pine and 1 more | 59 hr |
| Jun 15, 12:29 PM CDT | Special Marine Warning | DLH | 46 min | |
| Jun 15, 12:31 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 29 min |
| Jun 15, 1:18 PM CDT | Special Weather Statement | DLH | Carlton | 27 min |
| Jun 15, 1:32 PM CDT | Areal Flood Advisory | DLH | Carlton, Saint Louis | 118 min |
| Jun 15, 3:23 PM CDT | Areal Flood Advisory | DLH | Saint Louis | 112 min |
| Jun 15, 3:43 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Sawyer | 32 min |
| Jun 15, 3:49 AM CDT | Severe Thunderstorm Warning | DLH | Bayfield | 41 min |
| Jun 15, 3:56 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield | 49 min |
| Jun 15, 3:57 AM CDT | Special Weather Statement | DLH | Sawyer | 33 min |
| Jun 15, 4:15 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Iron, Sawyer | 45 min |
| Jun 15, 4:49 AM CDT | Special Weather Statement | DLH | Ashland | 26 min |
| Jun 15, 4:51 AM CDT | Severe Thunderstorm Warning | DLH | Price, Sawyer | 39 min |
| Jun 15, 5:16 AM CDT | Special Weather Statement | DLH | Iron | 59 min |
| Jun 15, 8:38 AM CDT | Areal Flood Advisory | DLH | Iron | 3 hr |
| Jun 15, 9:17 AM CDT | Special Weather Statement | DLH | Sawyer | 28 min |
| Jun 15, 10:12 AM CDT | Special Weather Statement | DLH | Ashland, Bayfield, Douglas | 33 min |
| Jun 15, 10:25 AM CDT | Flash Flood Warning | DLH | Iron | 3 hr |
| Jun 15, 11:26 AM CDT | Areal Flood Advisory | DLH | Ashland, Bayfield, Iron | 3 hr |
| Jun 15, 11:57 AM CDT | Special Weather Statement | DLH | Ashland | 18 min |
| Jun 15, 12:17 PM CDT | Special Weather Statement | DLH | Iron | 13 min |
| Jun 15, 12:27 PM CDT | Special Weather Statement | DLH | Bayfield | 33 min |
| Jun 15, 1:12 PM CDT | Special Weather Statement | DLH | Bayfield | 18 min |
| Jun 15, 1:23 PM CDT | Areal Flood Warning | DLH | Ashland, Bayfield, Iron | 15 hr |
| Jun 15, 1:39 PM CDT | Special Weather Statement | DLH | Bayfield, Douglas | 21 min |
| Jun 15, 2:10 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield | 50 min |
| Jun 15, 2:58 PM CDT | Special Weather Statement | DLH | Iron | 17 min |
| Jun 15, 3:31 PM CDT | Special Weather Statement | DLH | Iron | 14 min |
| Jun 15, 3:33 PM CDT | Special Weather Statement | DLH | Ashland | 12 min |
| Jun 15, 3:48 PM CDT | Special Weather Statement | DLH | Sawyer | 12 min |
| Jun 15, 4:31 PM CDT | Special Weather Statement | DLH | Washburn | 14 min |
| Jun 15, 4:46 PM CDT | Special Weather Statement | DLH | Sawyer, Washburn | 14 min |
| Jun 15, 5:09 PM CDT | Areal Flood Advisory | DLH | Ashland, Iron, Price, Sawyer | 3 hr |
| Jun 15, 5:55 PM CDT | Special Weather Statement | DLH | Price | 35 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.