Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 31, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jul 5, 2020, 7:00 PM CDT for Saint Louis County, Minnesota. It was in force for 11 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 5, 2020, 7:00 PM CDT (00:00 UTC)
- Expired
- Jul 5, 2020, 7:11 PM CDT
- In force
- 11 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Saint Louis County, MN
The radar
The Duluth radar (KDLH), 86 km from the middle of the area, began a volume at 00:01 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 00:00Z, 0.0 hours before the alert went out and 317 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
- 1134 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1609 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -43 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 5, 6:48 PM CDT, 12 minutes earlier.
Area forecast discussion, Jul 5, 6:48 PM CDT, 12 minutes before
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</html>Hazardous weather outlook, Jul 5, 3:39 PM CDT, 3 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 339 PM CDT Sun Jul 5 2020 MNZ010>012-018>021-025-026-033>038-062045- 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- 339 PM CDT Sun Jul 5 2020 This Hazardous Weather Outlook is for portions of northeast Minnesota. .DAY ONE...This afternoon and Tonight Scattered thunderstorms are possible across northeast Minnesota into this evening. A few storms may be strong to severe with large hail and gusty winds possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday There are periodic chances of thunderstorms Monday through Saturday. .SPOTTER INFORMATION STATEMENT... SKYWARN spotters are encouraged to report hail of any size and rainfall amounts to the National Weather Service. WIZ001>004-006>009-062045- Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 339 PM CDT Sun Jul 5 2020 This Hazardous Weather Outlook is for portions of northwest Wisconsin. .DAY ONE...This afternoon and Tonight A few isolated thunderstorms are possible across parts of northwest Wisconsin away from Lake Superior this afternoon into the evening. Storms are not expected to be severe, but a few strong storms producing small hail and gusty winds are possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday There are periodic chances of thunderstorms Monday through Saturday. .SPOTTER INFORMATION STATEMENT... Skywarn spotter activation is not anticipated this afternoon or tonight. Rainfall amounts from spotters and the public are encouraged. LSZ121-140>148-062045- 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- 339 PM CDT Sun Jul 5 2020 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight A few thunderstorms will be possible this afternoon and evening. Storms are not expected to be severe, but a few strong storms producing small hail and gusty winds are possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday There is a potential for thunderstorms across western Lake Superior Monday and then again on Wednesday. Storms could be strong with gusty winds and small hail. LE More information may be obtained at the following web address: http://www.weather.gov/duluth (all lower case)
In the hours before
Local storm report, Jul 5, 4:41 PM CDT, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
441 PM CDT SUN JUL 5 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0320 PM HEAVY RAIN 11 NE ISLAND LAKE 47.10N 92.01W
07/05/2020 M1.25 INCH ST. LOUIS MN TRAINED SPOTTER
REPORTED AT 8143 PEQUAYWAN LAKE ROAD,
DULUTH, MN.
&&
KMKLocal storm report, Jul 5, 4:46 PM CDT, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
446 PM CDT SUN JUL 5 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0315 PM HAIL 3 ESE ISLAND LAKE 47.00N 92.13W
07/05/2020 E1.00 INCH ST. LOUIS MN TRAINED SPOTTER
REPORTED AT 4284 TURNER ROAD, DULUTH, MN.
&&
KMKLocal storm report, Jul 5, 4:52 PM CDT, 2 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
452 PM CDT SUN JUL 5 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0452 PM HEAVY RAIN 5 WSW INO 46.50N 91.28W
07/05/2020 M4.00 INCH BAYFIELD WI TRAINED SPOTTER
&&
KMKLocal storm report, Jul 5, 4:57 PM CDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
457 PM CDT SUN JUL 5 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0456 PM HAIL 1 NNW TRADE RIVER 45.66N 92.68W
07/05/2020 E0.88 INCH BURNETT WI TRAINED SPOTTER
&&
KMKLocal storm report, Jul 5, 5:44 PM CDT, 1 hour 16 minutes before
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</html>Local storm report, Jul 5, 6:27 PM CDT, 33 minutes before
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<div class="status" id="status">Temporary Notice</div>
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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 5, 7:20 PM CDT | Special Weather Statement | DLH | Carlton | 10 min |
| Jul 5, 7:29 PM CDT | Special Weather Statement | DLH | Carlton | 16 min |
| Jul 5, 7:32 PM CDT | Special Weather Statement | DLH | 13 min | |
| Jul 5, 7:52 PM CDT | Special Weather Statement | DLH | Cook | 8 min |
| Jul 5, 7:54 PM CDT | Special Weather Statement | DLH | Saint Louis | 21 min |
| Jul 5, 8:16 PM CDT | Areal Flood Advisory | DLH | Saint Louis | 3 hr |
| Jul 5, 11:00 PM CDT | Special Weather Statement | DLH | Koochiching | 15 min |
| Jul 5, 11:12 PM CDT | Special Weather Statement | DLH | Lake | 18 min |
| Jul 5, 11:20 PM CDT | Special Weather Statement | DLH | Koochiching | 10 min |
| Jul 6, 1:00 PM CDT | Special Weather Statement | DLH | Koochiching | 30 min |
| Jul 6, 1:33 PM CDT | Special Weather Statement | DLH | Koochiching | 12 min |
| Jul 6, 1:38 PM CDT | Special Weather Statement | DLH | 22 min | |
| Jul 6, 1:45 PM CDT | Special Weather Statement | DLH | Cook | 15 min |
| Jul 6, 1:56 PM CDT | Special Weather Statement | DLH | Koochiching | 19 min |
| Jul 6, 1:59 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 31 min |
| Jul 6, 2:03 PM CDT | Special Weather Statement | DLH | Cook | 12 min |
| Jul 6, 2:07 PM CDT | Special Weather Statement | DLH | 8 min | |
| Jul 6, 2:20 PM CDT | Special Weather Statement | DLH | Cook | 25 min |
| Jul 6, 2:27 PM CDT | Special Weather Statement | DLH | Itasca | 33 min |
| Jul 6, 3:20 PM CDT | Special Weather Statement | DLH | Saint Louis | 25 min |
| Jul 6, 3:45 PM CDT | Special Weather Statement | DLH | Lake | 30 min |
| Jul 6, 3:51 PM CDT | Special Weather Statement | DLH | Saint Louis | 24 min |
| Jul 6, 3:58 PM CDT | Special Weather Statement | DLH | Cook | 32 min |
| Jul 6, 4:13 PM CDT | Special Weather Statement | DLH | Lake | 32 min |
| Jul 6, 4:15 PM CDT | Special Weather Statement | DLH | 30 min | |
| Jul 6, 4:45 PM CDT | Special Weather Statement | DLH | Lake | 30 min |
| Jul 6, 4:46 PM CDT | Special Weather Statement | DLH | Carlton | 29 min |
| Jul 6, 5:10 PM CDT | Areal Flood Warning | DLH | Lake, Saint Louis | 3 hr |
| Jul 6, 5:15 PM CDT | Special Weather Statement | DLH | Carlton | 15 min |
| Jul 6, 5:18 PM CDT | Special Weather Statement | DLH | Cook | 12 min |
| Jul 6, 5:30 PM CDT | Special Weather Statement | DLH | Lake | 15 min |
| Jul 6, 6:05 PM CDT | Special Weather Statement | DLH | Cook | 25 min |
| Jul 5, 7:28 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 19 min |
| Jul 6, 8:33 AM CDT | Special Weather Statement | DLH | Washburn | 27 min |
| Jul 6, 9:00 AM CDT | Special Weather Statement | DLH | Washburn | 30 min |
| Jul 6, 9:30 AM CDT | Special Weather Statement | DLH | Burnett | 30 min |
| Jul 6, 9:47 AM CDT | Special Weather Statement | DLH | Iron | 28 min |
| Jul 6, 10:04 AM CDT | Special Weather Statement | DLH | Washburn | 26 min |
| Jul 6, 10:29 AM CDT | Special Weather Statement | DLH | Washburn | 16 min |
| Jul 6, 10:53 AM CDT | Special Weather Statement | DLH | Iron | 37 min |
| Jul 6, 10:55 AM CDT | Special Weather Statement | DLH | Sawyer | 35 min |
| Jul 6, 11:21 AM CDT | Special Weather Statement | DLH | Iron | 24 min |
| Jul 6, 11:35 AM CDT | Special Weather Statement | DLH | Iron | 25 min |
| Jul 6, 11:45 AM CDT | Special Weather Statement | DLH | Sawyer | 15 min |
| Jul 6, 12:00 PM CDT | Special Weather Statement | DLH | Price | 30 min |
| Jul 6, 12:14 PM CDT | Special Weather Statement | DLH | Price | 16 min |
| Jul 6, 12:34 PM CDT | Special Weather Statement | DLH | Iron | 26 min |
| Jul 6, 5:55 PM CDT | Special Weather Statement | DLH | Price | 20 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2020Every severe thunderstorm warning in 2020
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.