Alert archive / Wisconsin / Tornado Warnings in 2019
Tornado Warning 11, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Jul 18, 2019, 2:31 PM CDT for Bayfield County, Douglas County, Wisconsin. It was in force for 16 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 18, 2019, 2:31 PM CDT (19:31 UTC)
- Expired
- Jul 18, 2019, 2:47 PM CDT
- In force
- 16 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Bayfield County, WI, Douglas County, WI
The radar
The Duluth radar (KDLH), 60 km from the middle of the area, began a volume at 19:30 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, 7.5 hours before the alert went out and 248 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
- 686 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Jul 18, 12:38 PM CDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jul 18, 12:38 PM CDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, Jul 18, 4:37 AM CDT, 9 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 437 AM CDT Thu Jul 18 2019 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-190945- 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- 437 AM CDT Thu Jul 18 2019 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...Today and Tonight Another round of showers and thunderstorms will be possible today, mainly for this afternoon and evening. An isolated strong thunderstorm can't be ruled out. The strongest storms will be capable of producing large hail and damaging winds. Warm and muggy conditions will return today, with heat index values ranging from 90 to 100 today, especially over northwest Wisconsin. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Warm and muggy conditions will continue into Friday, with heat index values possibly warming into the 90 to 100 degree range, especially over northwest Wisconsin. A few more rounds of thunderstorms will be possible Friday night into Sunday evening. .SPOTTER INFORMATION STATEMENT... Skywarn spotter activation is not anticipated today or tonight. LSZ121-140>148-190945- 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- 437 AM CDT Thu Jul 18 2019 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...Today and Tonight A few thunderstorms are possible, some of which could be strong causing locally high wind and waves. .DAYS TWO THROUGH SEVEN...Friday through Wednesday A few more rounds of thunderstorms are possible Friday through Sunday evening. JTS/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, Jul 18, 8:51 AM CDT, 5 hours 40 minutes before
Special Weather Statement National Weather Service Duluth MN 851 AM CDT Thu Jul 18 2019 WIZ003-004-008-009-181415- Price-Iron-Ashland-Sawyer- 851 AM CDT Thu Jul 18 2019 ...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL IRON... SOUTHEASTERN ASHLAND...NORTHERN PRICE AND EAST CENTRAL SAWYER COUNTIES... At 851 AM CDT, a strong thunderstorm was 13 miles northeast of Winter, or 16 miles west of Park Falls, moving east at 55 mph. Wind gusts up to 30 mph, pea size hail, heavy downpours, and frequent cloud to ground lightning can be expected with this storm. Locations impacted include... Park Falls, Turtle Flambeau Flowage, Fifield, Butternut, Loretta, Butternut Lake, Blaisdell Lake, and Pike Lake. Seek shelter inside a sturdy building and away from windows until this storm passes. Get off area lakes and seek shelter on shore in a sturdy shelter or a hard topped vehicle. LAT...LON 4580 9005 4582 9087 4600 9091 4617 9016 TIME...MOT...LOC 1351Z 261DEG 47KT 4593 9079 Melde
Special weather statement, Jul 18, 9:31 AM CDT, 5 hours before
Special Weather Statement
National Weather Service Duluth MN
931 AM CDT Thu Jul 18 2019
WIZ004-009-181500-
Price-Iron-
931 AM CDT Thu Jul 18 2019
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN IRON AND
NORTHEASTERN PRICE COUNTIES...
At 931 AM CDT, strong thunderstorms were along a line extending from
near Winchester, to 7 miles east of Fifield, and moving east at 45
mph.
Wind gusts up to 30 mph, pea size hail, and occasional cloud to
ground lightning can be expected with these storms.
Locations impacted include...
Pike 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 4598 9004 4580 9004 4580 9040 4618 8993
4599 8993
TIME...MOT...LOC 1431Z 264DEG 40KT 4613 8994 4587 9027
MeldeSpecial weather statement, Jul 18, 11:21 AM CDT, 3 hours 10 minutes before
Special Weather Statement National Weather Service Duluth MN 1121 AM CDT Thu Jul 18 2019 MNZ037-181630- Carlton/South St. Louis- 1121 AM CDT Thu Jul 18 2019 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN CARLTON COUNTY... At 1121 AM CDT, a strong thunderstorm was over Nemadji, or 18 miles south of Cloquet, moving east at 25 mph. Wind gusts up to 35 mph, pea size hail, and occasional cloud to ground lightning can be expected with this storm. Locations impacted include... Barnum and Nemadji. Seek shelter inside a sturdy building and away from windows until this storm passes. Get off area lakes and seek shelter on shore in a sturdy shelter or a hard topped vehicle. LAT...LON 4644 9270 4652 9270 4655 9246 4642 9246 TIME...MOT...LOC 1621Z 265DEG 23KT 4648 9262 Huyck
Local storm report, Jul 18, 12:26 PM CDT, 2 hours 5 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 |
|---|---|---|---|---|
| Jul 17, 7:07 PM CDT | Tornado Warning | DLH | Koochiching | 23 min |
| Jul 17, 7:15 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching, Saint Louis | 30 min |
| Jul 17, 7:30 PM CDT | Tornado Warning | DLH | Koochiching, Saint Louis | 45 min |
| Jul 17, 7:45 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 30 min |
| Jul 17, 8:07 PM CDT | Tornado Warning | DLH | Saint Louis | 23 min |
| Jul 17, 8:10 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 50 min |
| Jul 17, 8:18 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 27 min |
| Jul 17, 8:29 PM CDT | Tornado Warning | DLH | Saint Louis | 46 min |
| Jul 17, 8:40 PM CDT | Special Weather Statement | DLH | Cook | 35 min |
| Jul 17, 8:56 PM CDT | Special Weather Statement | DLH | Cook | 19 min |
| Jul 17, 9:01 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 44 min |
| Jul 17, 9:13 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 47 min |
| Jul 17, 9:20 PM CDT | Special Weather Statement | DLH | Cook | 10 min |
| Jul 17, 9:32 PM CDT | Special Marine Warning | DLH | 58 min | |
| Jul 17, 9:35 PM CDT | Special Weather Statement | DLH | Cook | 10 min |
| Jul 17, 9:47 PM CDT | Special Weather Statement | DLH | Cook | 13 min |
| Jul 17, 9:56 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 64 min |
| Jul 17, 10:03 PM CDT | Special Weather Statement | DLH | Cook | 12 min |
| Jul 17, 10:12 PM CDT | Special Weather Statement | DLH | 18 min | |
| Jul 17, 10:19 PM CDT | Special Weather Statement | DLH | 11 min | |
| Jul 17, 10:33 PM CDT | Special Weather Statement | DLH | 27 min | |
| Jul 17, 11:03 PM CDT | Special Weather Statement | DLH | Lake | 27 min |
| Jul 17, 11:05 PM CDT | Special Weather Statement | DLH | Cook | 25 min |
| Jul 17, 11:34 PM CDT | Severe Thunderstorm Warning | DLH | Cook, Lake | 41 min |
| Jul 18, 12:19 AM CDT | Special Weather Statement | DLH | Cook | 26 min |
| Jul 18, 12:23 AM CDT | Special Marine Warning | DLH | 37 min | |
| Jul 18, 12:46 AM CDT | Special Weather Statement | DLH | Cook | 29 min |
| Jul 18, 1:13 AM CDT | Special Weather Statement | DLH | Cook | 32 min |
| Jul 18, 1:46 AM CDT | Special Weather Statement | DLH | Cook | 29 min |
| Jul 18, 1:54 AM CDT | Severe Thunderstorm Warning | DLH | Cook | 22 min |
| Jul 18, 1:57 AM CDT | Special Marine Warning | DLH | 24 min | |
| Jul 18, 11:21 AM CDT | Special Weather Statement | DLH | Carlton | 9 min |
| Jul 18, 11:51 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Pine | 24 min |
| Jul 18, 3:49 PM CDT | Special Marine Warning | DLH | 26 min | |
| Jul 18, 4:11 PM CDT | Special Marine Warning | DLH | 19 min | |
| Jul 18, 7:15 AM CDT | Special Weather Statement | DLH | Burnett, Douglas, Washburn | 30 min |
| Jul 18, 7:41 AM CDT | Special Weather Statement | DLH | Bayfield, Douglas, Washburn | 34 min |
| Jul 18, 8:11 AM CDT | Special Weather Statement | DLH | Bayfield | 34 min |
| Jul 18, 8:51 AM CDT | Special Weather Statement | DLH | Price | 24 min |
| Jul 18, 9:31 AM CDT | Special Weather Statement | DLH | Price | 29 min |
| Jul 18, 12:08 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 52 min |
| Jul 18, 12:35 PM CDT | Special Weather Statement | DLH | Washburn | 10 min |
Nearby
Tornado Warnings in Wisconsin, 2019Every tornado warning in 2019Tornadoes 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.