Alert archive / Wisconsin / Winter Storm Watches in 2021
Winter Storm Watch 6, NWS Duluth, MN
NWS Duluth, MN issued this winter storm watch at Dec 9, 2021, 3:39 AM CST for Price County, Sawyer County, Wisconsin. It took effect at Dec 10, 2021, 12:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 9, 2021, 3:39 AM CST (09:39 UTC)
- In effect from
- Dec 10, 2021, 12:00 PM CST
- Expired
- Dec 9, 2021, 2:19 PM CST
- In force
- Issued by
- NWS Duluth, MN
Counties Price County, WI, Sawyer County, WI
The radar
The Duluth radar (KDLH), 162 km from the middle of the area, began a volume at 09:43 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, 9.7 hours before the alert went out and 253 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
- 1234 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch 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 winter storm watch went out at Dec 8, 11:29 PM CST, 4 hours 10 minutes earlier.
Area forecast discussion, Dec 8, 11:29 PM CST, 4 hours 10 minutes before
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</html>Hazardous weather outlook, Dec 8, 5:43 PM CST, 9 hours 56 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 543 PM CST Wed Dec 8 2021 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-092345- 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- 543 PM CST Wed Dec 8 2021 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...Tonight Light snow will spread into the region tonight, with a dusting of snow expected by early Thursday morning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Light snow will continue across the Northland Thursday. Widespread snow amounts of up to an inch are expected. Areas along the North Shore will see higher amounts of 4 to 6 inches and a Winter Weather Advisory has been issued for Southern Cook County. Locally higher snowfall amounts are possible along the higher elevations of Cook County. A storm system is forecast to move through the region Friday and Saturday. At this time accumulating snow appears likely for parts of northwest Wisconsin where some shovelable snowfall amounts are possible. .SPOTTER INFORMATION STATEMENT... Snow spotters are requested to report their snowfall measurements today and tomorrow to the National Weather Service. LSZ121-140>148-150-092345- 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- 543 PM CST Wed Dec 8 2021 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...Tonight Gusty south winds are expected to develop tonight and cause hazardous conditions for small craft. A Small Craft Advisory has been issued starting tonight for parts of western Lake Superior. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Gusty south to southwest winds are expected to continue Thursday and Thursday night, producing hazardous conditions for small craft. A Small Craft Advisory remains in effect through Thursday night. An area of low pressure will move through the region Saturday and as it exits could create a period of hazardous winds and waves Saturday into Sunday. Levens/Melde More information may be obtained at the following web address: http://www.weather.gov/duluth (all lower case)
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 2:19 PM CST | Winter Storm Warning | DLH | Iron, Price, Sawyer | 42 hr |
| Dec 9, 2:19 PM CST | Winter Weather Advisory | DLH | Ashland, Bayfield, Burnett, Iron, Sawyer, Washburn | 42 hr |
Nearby
Winter Storm Watches in Wisconsin, 2021Every winter storm watch 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.