Alert archive / Wisconsin / Winter Storm Watches in 2021
Winter Storm Watch 3, NWS Green Bay, WI
NWS Green Bay, WI issued this winter storm watch at Dec 9, 2021, 3:19 AM CST for 15 counties in Wisconsin. It took effect at Dec 10, 2021, 3:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 9, 2021, 3:19 AM CST (09:19 UTC)
- In effect from
- Dec 10, 2021, 3:00 PM CST
- Expired
- Dec 9, 2021, 2:36 PM CST
- In force
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 101 km from the middle of the area, began a volume at 09:20 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, 9.3 hours before the alert went out and 103 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
The text
As transmitted.
538 WWUS43 KGRB 090919 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 319 AM CST Thu Dec 9 2021 ...STRONG WINTER STORM TO BRING HEAVY SNOW, BLOWING SNOW, AND MIXED PRECIPITATION FRIDAY INTO SATURDAY... WIZ005-010>013-018>021-030-031-035>037-045-073-074-092130- /O.NEW.KGRB.WS.A.0003.211210T2100Z-211211T1500Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood- Portage-Waupaca-Waushara-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth, Peshtigo, Merrill, Brookside, Wisconsin Rapids, Stevens Point, Shawano, Sobieski, Niagara, Pensaukee, Wautoma, and Wausaukee 319 AM CST Thu Dec 9 2021 ...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 6 inches or more possible. Ice accumulations of a tenth of an inch are also possible for portions of Waushara, Waupaca, eastern Shawano, and southern Oconto Counties. Winds could gust as high as 35 mph. * WHERE...Portions of central, north central, and northeast Wisconsin. * WHEN...From Friday afternoon through Saturday morning. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the Friday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. Consider preparing a winter storm kit, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also include, a first aid kit, and anything else that would help you survive in case you become stranded. && $$ For more information, visit us at http://www.weather.gov/GreenBay Hykin
1 follow-up statement
158 WWUS43 KGRB 092036 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 236 PM CST Thu Dec 9 2021 ...SIGNIFICANT WINTER STORM WILL IMPACT THE REGION FRIDAY INTO SATURDAY MORNING... .A significant winter storm will bring a swath of heavy snow to much of north central, central and northeast Wisconsin from late Friday afternoon through Saturday morning. Mixed precipitation from Wautoma to Green Bay to Door County will result in less snow accumulation, with potential for minor ice accumulations. Strong northwest winds on Saturday morning will produce considerable blowing and drifting snow. WIZ005-010>013-018>021-030-031-035>037-073-074-100445- /O.UPG.KGRB.WS.A.0003.211210T2100Z-211211T1500Z/ /O.NEW.KGRB.WS.W.0004.211210T2100Z-211211T1800Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood- Portage-Waupaca-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, Plover, Commonwealth, Peshtigo, Merrill, Brookside, Wisconsin Rapids, Stevens Point, Shawano, Sobieski, Niagara, Pensaukee, and Wausaukee 236 PM CST Thu Dec 9 2021 ...WINTER STORM WARNING IN EFFECT FROM 3 PM FRIDAY TO NOON CST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches and a light glaze of ice. Winds gusting as high as 35 mph and producing considerable blowing and drifting snow late Friday night into Saturday. * WHERE...Portions of central, north central, and northeast Wisconsin. * WHEN...From 3 PM Friday to Noon CST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WIZ045-100445- /O.UPG.KGRB.WS.A.0003.211210T2100Z-211211T1500Z/ /O.NEW.KGRB.WW.Y.0018.211210T2100Z-211211T1800Z/ Waushara- Including the cities of Redgranite and Wautoma 236 PM CST Thu Dec 9 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM FRIDAY TO NOON CST SATURDAY... * WHAT...Mixed precipitation expected. Total snow accumulations between 3 and 5 inches and ice accumulations of one tenth of an inch or less. Winds gusting as high as 35 mph. * WHERE...Waushara County. * WHEN...From 3 PM Friday to Noon CST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WIZ022-038>040-048-100445- /O.NEW.KGRB.WW.Y.0018.211210T2100Z-211211T1800Z/ Door-Outagamie-Brown-Kewaunee-Winnebago- Including the cities of Green Bay, Menasha, Neenah, Sister Bay, Fish Creek, Oshkosh, Sturgeon Bay, Kewaunee, Luxemburg, and Appleton 236 PM CST Thu Dec 9 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM FRIDAY TO NOON CST SATURDAY... * WHAT...Mixed precipitation expected. Total snow accumulations between 3 and 5 inches and ice accumulations of one tenth of an inch or less. Winds gusting as high as 40 mph. * WHERE...Winnebago, Brown, Door, Kewaunee and Outagamie Counties. * WHEN...From 3 PM Friday to Noon CST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the Friday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kieckbusch
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 2:36 PM CST | Winter Storm Warning | GRB | Florence, Forest, Langlade, Lincoln, Marathon, Marinette and 8 more | 45 hr |
| Dec 9, 2:36 PM CST | Winter Weather Advisory | GRB | Brown, Calumet, Door, Kewaunee, Manitowoc, Outagamie and 2 more | 45 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.