Alert archive / Wisconsin / Winter Storm Watches in 2021
Winter Storm Watch 2, NWS Green Bay, WI
NWS Green Bay, WI issued this winter storm watch at Dec 4, 2021, 3:19 AM CST for Vilas County, Wisconsin. It took effect at Dec 5, 2021, 4:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 4, 2021, 3:19 AM CST (09:19 UTC)
- In effect from
- Dec 5, 2021, 4:00 AM CST
- Expired
- Dec 4, 2021, 3:22 PM CST
- In force
- Issued by
- NWS Green Bay, WI
County Vilas County, WI
The radar
The Marquette radar (KMQT), 160 km from the middle of the area, began a volume at 09:22 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 207 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
- 561 m above ground
- 0-6 km bulk shear
- 108 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
320 WWUS43 KGRB 040919 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 319 AM CST Sat Dec 4 2021 ...SNOW FOLLOWED BY WINDY CONDITIONS WITH BLOWING AND DRIFTING SNOW COULD RESULT IN DIFFICULT TRAVEL LATE TONIGHT THROUGH MONDAY MORNING... .A strengthening storm system will track east from the Northern Plains the next couple days. The storm will bring a significant snowfall to the area late tonight into Sunday. The precipitation may taper to occasional light snow and freezing drizzle late Sunday afternoon and Sunday evening before increasing again late Sunday night into Monday morning. Winds will also increase substantially late Sunday night and Monday morning, when gusts to 35 mph will produce considerable blowing and drifting of the snow. WIZ005-041715- /O.NEW.KGRB.WS.A.0002.211205T1000Z-211206T1800Z/ Vilas- Including the cities of Eagle River and Lac Du Flambeau 319 AM CST Sat Dec 4 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations between 6 and 9 inches possible. Winds could gust as high as 35 mph late Sunday night and Monday morning. * WHERE...Vilas County. * WHEN...From late tonight through Monday morning. * IMPACTS...Travel could become difficult. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information, visit us at http://www.weather.gov/GreenBay Skowronski
2 follow-up statements
406 WWUS43 KGRB 041711 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 1111 AM CST Sat Dec 4 2021 ...SNOW FOLLOWED BY WINDY CONDITIONS WITH BLOWING AND DRIFTING SNOW COULD RESULT IN DIFFICULT TRAVEL LATE TONIGHT THROUGH MONDAY MORNING... .A strengthening storm system will track east from the Northern Plains the next couple days. The storm will bring a significant snowfall to the area late tonight into Sunday. The precipitation may taper to occasional light snow and freezing drizzle late Sunday afternoon and Sunday evening before increasing again late Sunday night into Monday morning. Winds will also increase substantially late Sunday night and Monday morning, when gusts to 35 mph will produce considerable blowing and drifting of the snow. WIZ005-050115- /O.CON.KGRB.WS.A.0002.211205T1000Z-211206T1800Z/ Vilas- Including the cities of Eagle River and Lac Du Flambeau 1111 AM CST Sat Dec 4 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations between 6 and 9 inches possible. Winds could gust as high as 35 mph late Sunday night and Monday morning creating areas of blowing and drifting snow. * WHERE...Vilas County. * WHEN...From late tonight through Monday morning. * IMPACTS...Travel could become difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...The worst travel conditions are expected late Sunday night into Monday morning as a powdery snow and strong winds will create considerable blowing and drifting of the snow and poor visibilities for motorists. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Eckberg
998 WWUS43 KGRB 042122 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 322 PM CST Sat Dec 4 2021 ...PROLONGED PERIOD OF SNOW FOLLOWED BY GUSTY NORTHEST WINDS AND MUCH COLDER TEMPERATURES... .Low pressure moving across the western Great Lakes will bring a prolong period of snow followed by gusty northwest winds creating areas of blowing and drifting snow. Much colder air will move into the area Monday. WIZ005-050530- /O.UPG.KGRB.WS.A.0002.211205T1000Z-211206T1800Z/ /O.NEW.KGRB.WS.W.0003.211205T0900Z-211206T1800Z/ Vilas- Including the cities of Eagle River and Lac Du Flambeau 322 PM CST Sat Dec 4 2021 ...WINTER STORM WARNING IN EFFECT FROM 3 AM SUNDAY TO NOON CST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 9 inches. Winds gusting as high as 35 mph Sunday night into Monday morning will create areas of blowing and drifting snow. Also, there may be a period where there will be a lull in the heavier snow Sunday night. * WHERE...Vilas County. * WHEN...From 3 AM Sunday to Noon CST Monday. * IMPACTS...Significant ice accumulation on power lines and tree limbs may cause widespread and long-lasting power outages. Travel could be very difficult. The hazardous conditions could impact the Monday morning 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. && $$ WIZ010>012-050530- /O.NEW.KGRB.WS.W.0003.211205T0900Z-211206T1800Z/ Oneida-Forest-Florence- Including the cities of Commonwealth, Rhinelander, Aurora, Crandon, and Spread Eagle 322 PM CST Sat Dec 4 2021 ...WINTER STORM WARNING IN EFFECT FROM 3 AM SUNDAY TO NOON CST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 7 inches. Winds gusting as high as 40 mph Sunday night into Monday morning will create areas of blowing and drifting snow. Also, there may be a period where there will be a lull in the heavier snow Sunday night. * WHERE...Oneida, Florence and Forest Counties. * WHEN...From 3 AM Sunday to Noon CST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WIZ013-018-019-021-073-050530- /O.NEW.KGRB.WW.Y.0014.211205T0900Z-211206T1800Z/ Northern Marinette County-Lincoln-Langlade-Northern Oconto County- Southern Marinette County- Including the cities of Mountain, Peshtigo, Merrill, Lakewood, Loomis, Tomahawk, Antigo, Niagara, Townsend, Porterfield, High Falls Reservoir, Crivitz, Middle Inlet, Wausaukee, and Harmony 322 PM CST Sat Dec 4 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM SUNDAY TO NOON CST MONDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 40 mph Sunday night into Monday morning will create areas of blowing and drifting snow. Also, there may be a period where there will be a lull in the heavier snow Sunday night. * WHERE...Langlade, Lincoln, Northern Marinette County, Northern Oconto County and Southern Marinette County Counties. * WHEN...From 3 AM Sunday to Noon CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning 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 Eckberg
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 4:25 AM CST | Gale Watch | GRB | 24 hr | |
| Dec 4, 3:22 PM CST | Winter Storm Warning | GRB | Door, Florence, Forest, Langlade, Lincoln, Marinette and 3 more | 44 hr |
| Dec 4, 3:22 PM CST | Winter Weather Advisory | GRB | Brown, Door, Kewaunee, Langlade, Lincoln, Marathon and 9 more | 30 hr |
| Dec 4, 3:23 PM CST | Small Craft Advisory | GRB | 33 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.