Alert archive / Wisconsin / Winter Weather Advisories in 2021
Winter Weather Advisory 21, NWS Green Bay, WI
NWS Green Bay, WI issued this winter weather advisory at Dec 27, 2021, 2:04 PM CST for 22 counties in Wisconsin. It took effect at Dec 28, 2021, 12:00 PM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2021, 2:04 PM CST (20:04 UTC)
- In effect from
- Dec 28, 2021, 12:00 PM CST
- Expired
- Dec 29, 2021, 2:41 AM CST
- In force
- 15 hr
- Issued by
- NWS Green Bay, WI
All 22 counties
Brown County, WI, Calumet County, WI, Door County, WI, Florence County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 63 km from the middle of the area, began a volume at 20:05 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 12:00Z, 8.1 hours before the alert went out and 65 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
- 506 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 333 m²/s²
- 0-3 km storm-relative helicity
- 790 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
779 WWUS43 KGRB 272004 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 204 PM CST Mon Dec 27 2021 ...ACCUMULATING SNOW EXPECTED TUESDAY AFTERNOON INTO TUESDAY NIGHT... .A system is forecast to move from the central Plains into the Great Lakes Tuesday afternoon into Tuesday night. Snow is expected to reach central Wisconsin around midday Tuesday, then overspread the rest of the area during the afternoon. The snow is expected to mix with freezing drizzle before ending later Tuesday night. WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-280415- /O.NEW.KGRB.WW.Y.0021.211228T1800Z-211229T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Brillion, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc, Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma, Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo, Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano, Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids, Wausaukee, and Kewaunee 204 PM CST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...Snow expected. The snow will become mixed with freezing drizzle before ending. Total snow accumulations between 2 and 4 inches and ice accumulations around a light glaze. Locally higher amounts over central Wisconsin and lower totals near Lake Michigan. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...From Noon Tuesday to 6 AM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday 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 Kallas
5 follow-up statements
039 WWUS43 KGRB 280405 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 1005 PM CST Mon Dec 27 2021 ...ACCUMULATING SNOW EXPECTED TUESDAY AFTERNOON INTO TUESDAY NIGHT... .A system is forecast to move from the Central Plains into the Great Lakes Tuesday afternoon into Tuesday night. Snow is expected to reach central Wisconsin around midday Tuesday, then overspread the rest of the area during the afternoon. The snow is expected to mix with freezing drizzle before ending later Tuesday night. WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-281215- /O.CON.KGRB.WW.Y.0021.211228T1800Z-211229T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Brillion, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc, Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma, Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo, Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano, Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids, Wausaukee, and Kewaunee 1005 PM CST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...Snow expected. The snow will become mixed with freezing drizzle before ending. Total snow accumulations between 2 and 4 inches and ice accumulations around a light glaze. Locally higher amounts over central Wisconsin and lower totals near Lake Michigan. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...From Noon Tuesday to 6 AM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday 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 Hykin
759 WWUS43 KGRB 281203 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 603 AM CST Tue Dec 28 2021 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-282015- /O.CON.KGRB.WW.Y.0021.211228T1800Z-211229T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Brillion, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc, Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma, Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo, Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano, Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids, Wausaukee, and Kewaunee 603 AM CST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM CST WEDNESDAY... * WHAT...Snow. It could change to freezing drizzle for a short time before ending. Total snow accumulations between 2 and 3 inches in most places and ice accumulations around a light glaze. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...From Noon today to 6 AM CST Wednesday. The snow will arrive from west to east during the afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday 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 RDM
909 WWUS43 KGRB 281957 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 157 PM CST Tue Dec 28 2021 ...SNOW AND FREEZING DRIZZLE EXPECTED INTO TONIGHT... .Snow will continue to overspread the area this afternoon and continue into this evening. The snow is expected to mix with freezing drizzle before ending late tonight. WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-290400- /O.CON.KGRB.WW.Y.0021.000000T0000Z-211229T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Brillion, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc, Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma, Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo, Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano, Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids, Wausaukee, and Kewaunee 157 PM CST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY... * WHAT...Mixed precipitation. Total snow accumulations between 1 and 3 inches and ice accumulations of a light glaze. Locally higher amounts possible over central Wisconsin. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 6 AM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the 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 Kallas
009 WWUS43 KGRB 290329 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 929 PM CST Tue Dec 28 2021 ...SNOW AND FREEZING DRIZZLE TO CONTINUE THROUGH TONIGHT... .Light snow will continue this evening and transition to drizzle or freezing drizzle late this evening and overnight. The wintry precipitation will continue to produce slippery and hazardous road conditions through late tonight. WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-291200- /O.CON.KGRB.WW.Y.0021.000000T0000Z-211229T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Brillion, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc, Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma, Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo, Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano, Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids, Wausaukee, and Kewaunee 929 PM CST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY... * WHAT...Mixed precipitation. Additional snow accumulations up to one inch and ice accumulations of a light glaze. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 6 AM CST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will be slick and hazardous. Plan on slippery road conditions. 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. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery. && $$ For more information, visit us at http://www.weather.gov/GreenBay KLJ
459 WWUS43 KGRB 290841 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 241 AM CST Wed Dec 29 2021 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-290945- /O.CAN.KGRB.WW.Y.0021.000000T0000Z-211229T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Brillion, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc, Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma, Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo, Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano, Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids, Wausaukee, and Kewaunee 241 AM CST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Steady snow has ended. Scattered snow showers or freezing drizzle is possible until daybreak, so travel with care. $$ For more information, visit us at http://www.weather.gov/GreenBay RDM
Nearby
Winter Weather Advisories in Wisconsin, 2021Every winter weather advisory 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.