Alert archive / Wisconsin / Special Weather Statements in 2021
Special Weather Statement, NWS Duluth, MN
NWS Duluth, MN issued this special weather statement at Sep 20, 2021, 4:51 PM CDT for Washburn County, Wisconsin. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 20, 2021, 4:51 PM CDT (21:51 UTC)
- Expired
- Sep 20, 2021, 5:15 PM CDT
- In force
- 24 min
- Issued by
- NWS Duluth, MN
- Hail
- 0.00 in
- Wind
- 40
County Washburn County, WI
The radar
The Duluth radar (KDLH), 83 km from the middle of the area, began a volume at 21:51 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, 9.9 hours before the alert went out and 196 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
- 148 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 1002 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 20, 4:51 PM CDT, 0 minutes earlier.
Area forecast discussion, Sep 20, 4:51 PM CDT, 0 minutes before
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</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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</html>Hazardous weather outlook, Sep 20, 4:27 PM CDT, 24 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 427 PM CDT Mon Sep 20 2021 WIZ001>004-006>009-212130- Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 427 PM CDT Mon Sep 20 2021 This Hazardous Weather Outlook is for portions of northwest Wisconsin. .DAY ONE...Tonight Thunderstorms will slowly spread eastward across northwestern Wisconsin this evening. Scattered severe storms are possible, with the main threats being damaging wind gusts up to 60 mph and an isolated tornado or two. Locally heavy rain is also possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Skywarn spotters may be needed this evening. MNZ010>012-018>021-025-026-033>038-212130- 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- 427 PM CDT Mon Sep 20 2021 This Hazardous Weather Outlook is for portions of northeast Minnesota. .DAY ONE...Tonight Embedded thunderstorms will continue to slowly work eastward across northeastern Minnesota this afternoon before ending this evening. A few storms may contain winds to 45 mph along with locally heavy rain. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Skywarn spotters may be needed through early evening. LSZ121-140>148-150-212130- 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- Outer Apostle Islands Beyond 5 NM from Mainland- 427 PM CDT Mon Sep 20 2021 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...Tonight Gusty southerly winds will become northwesterly this evening, resulting in hazardous conditions to smaller vessels for much of the nearshore waters. Small Craft Advisories have been issued through Tuesday morning along the South Shore with Gale Warnings along much of the North Shore. There is a chance for thunderstorms this afternoon and early evening. A few strong to severe storms will be possible along the South Shore with strong winds as the main threat and cloud-to- water lightning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Winds will produce hazardous conditions for small craft Tuesday morning for portions of the South Shore. Small Craft Advisories will remain in effect through Tuesday morning. BJH 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, Sep 20, 4:51 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Duluth MN
451 PM CDT Mon Sep 20 2021
WIZ001-002-007-008-202215-
Douglas WI-Bayfield WI-Sawyer WI-Washburn WI-
451 PM CDT Mon Sep 20 2021
...A strong thunderstorm will impact portions of southwestern
Bayfield, southeastern Douglas, northern Washburn and northwestern
Sawyer Counties through 515 PM CDT...
At 450 PM CDT, Doppler radar was tracking a strong thunderstorm near
Minong, or 19 miles north of Spooner, moving northeast at 35 mph.
HAZARD...Wind gusts up to 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow unsecured
objects around.
This strong thunderstorm will be near...
Minong around 500 PM CDT.
Wascott around 505 PM CDT.
Gordon around 510 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a sturdy building.
This storm may intensify. Monitor local NOAA Weather Radio,
commercial radio, or television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4608 9205 4616 9205 4616 9206 4640 9164
4614 9127 4588 9191
TIME...MOT...LOC 2150Z 237DEG 28KT 4611 9194
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
BJHThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 10:01 PM CDT | Small Craft Advisory | DLH | 23 hr | |
| Sep 20, 3:16 AM CDT | Special Weather Statement | DLH | Crow Wing | 29 min |
| Sep 20, 3:49 AM CDT | Gale Watch | DLH | 12 hr | |
| Sep 20, 4:28 AM CDT | Special Weather Statement | DLH | Aitkin | 32 min |
| Sep 20, 5:04 AM CDT | Special Weather Statement | DLH | Aitkin | 26 min |
| Sep 20, 5:30 AM CDT | Special Weather Statement | DLH | Aitkin | 30 min |
| Sep 20, 7:13 AM CDT | Areal Flood Advisory | DLH | Aitkin, Itasca | 4 hr |
| Sep 20, 4:11 PM CDT | Gale Warning | DLH | 14 hr | |
| Sep 20, 5:48 PM CDT | Special Marine Warning | DLH | 57 min | |
| Sep 20, 6:25 PM CDT | Special Marine Warning | DLH | 65 min | |
| Sep 20, 6:42 PM CDT | Special Marine Warning | DLH | 33 min | |
| Sep 20, 4:59 PM CDT | Tornado Warning | DLH | Bayfield, Douglas, Sawyer, Washburn | 31 min |
| Sep 20, 5:04 PM CDT | Tornado Warning | DLH | Bayfield, Douglas | 26 min |
| Sep 20, 5:24 PM CDT | Tornado Warning | DLH | Bayfield | 36 min |
| Sep 20, 5:29 PM CDT | Tornado Warning | DLH | Bayfield | 31 min |
| Sep 20, 5:49 PM CDT | Areal Flood Warning | DLH | Bayfield, Douglas | 3 hr |
| Sep 20, 5:52 PM CDT | Tornado Warning | DLH | Ashland, Bayfield | 23 min |
| Sep 20, 5:57 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Iron, Sawyer | 63 min |
| Sep 20, 6:31 PM CDT | Special Weather Statement | DLH | Sawyer | 29 min |
Nearby
Special Weather Statements in Wisconsin, 2021Every special weather statement in 2021
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.