Alert archive / Wisconsin / Winter Storm Warnings in 2021
Winter Storm Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this winter storm warning at Feb 28, 2021, 4:03 AM CST for Oneida County, Vilas County, Wisconsin. It took effect at Feb 28, 2021, 7:00 AM CST. It was in force for 9 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 28, 2021, 4:03 AM CST (10:03 UTC)
- In effect from
- Feb 28, 2021, 7:00 AM CST
- Expired
- Feb 28, 2021, 4:23 PM CST
- In force
- 9 hr
- Issued by
- NWS Green Bay, WI
Counties Oneida County, WI, Vilas County, WI
The radar
The Marquette radar (KMQT), 168 km from the middle of the area, began a volume at 10:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 28, 12:40 PM CST | SNOW 4 | Eagle River, WI | |
| Feb 28, 1:00 PM CST | SNOW 4 | 1 Sse Hazelhurst, WI | VIA SOCIAL MEDIA |
| Feb 28, 3:05 PM CST | SNOW 4 | 3 N Rhinelander, WI | |
| Feb 28, 3:20 PM CST | SNOW 9 | Manitowish Waters, WI | REPORT VIA SOCIAL MEDIA. |
| Feb 28, 3:53 PM CST | SNOW 3.8 | Lake Tomahawk, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 10.1 hours before the alert went out and 191 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
- 1849 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
226 WWUS43 KGRB 281003 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 403 AM CST Sun Feb 28 2021 ...WINTRY WEATHER EXPECTED ACROSS NORTH-CENTRAL AND NORTHEAST WISCONSIN TODAY... .A vigorous but fast moving storm system will move through the area today. The storm will bring snow--heavy at times--to north- central Wisconsin. A wintry mix of snow, freezing rain, sleet, and some rain is expected from central through northeast Wisconsin. Travel conditions could become very difficult across north- central Wisconsin mid-day as the heaviest snow moves through that area. WIZ011-012-018-019-281815- /O.CAN.KGRB.WW.Y.0008.000000T0000Z-210228T2100Z/ /O.NEW.KGRB.WW.Y.0009.210228T1300Z-210228T2100Z/ Forest-Florence-Lincoln-Langlade- Including the cities of Crandon, Aurora, Commonwealth, Spread Eagle, Merrill, Tomahawk, and Antigo 403 AM CST Sun Feb 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 3 PM CST THIS AFTERNOON... * WHAT...Snow, mixed at times with freezing rain and sleet. A total snow accumulation of 2 to 5 inches expected, along with some minor icing due to freezing rain. * WHERE...Forest, Florence, Lincoln and Langlade Counties. * WHEN...From 7 AM this morning to 3 PM CST this afternoon. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ WIZ013-021-030-281800- /O.CAN.KGRB.WW.Y.0008.000000T0000Z-210228T2100Z/ /O.NEW.KGRB.WW.Y.0009.210228T1300Z-210228T1800Z/ Northern Marinette County-Northern Oconto County-Marathon- Including the cities of Niagara, Wausaukee, Mountain, Lakewood, Townsend, and Wausau 403 AM CST Sun Feb 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO NOON CST TODAY... * WHAT...Mixed wintry precipitation expected. Up to two inches of snow accumulation, along with minor icing due to freezing rain. * WHERE...Northern Marinette County, Northern Oconto County and Marathon Counties. * WHEN...From 7 AM this morning to noon CST today. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ WIZ005-010-281815- /O.UPG.KGRB.WW.Y.0008.000000T0000Z-210228T2100Z/ /O.NEW.KGRB.WS.W.0002.210228T1300Z-210301T0000Z/ Vilas-Oneida- Including the cities of Eagle River, Lac Du Flambeau, and Rhinelander 403 AM CST Sun Feb 28 2021 ...WINTER STORM WARNING IN EFFECT FROM 7 AM THIS MORNING TO 6 PM CST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 inches. * WHERE...Vilas and Oneida Counties. * WHEN...From 7 AM this morning to 6 PM CST this evening. * IMPACTS...Plan on hazardous travel conditions. * ADDITIONAL DETAILS...The heaviest snow will move through the area between 1000 am and 200 pm. Snowfall rates in excess of 1 inch per hour are possible during this period. As a result, travel could become very difficult during the mid-day hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... If possible, avoid travel during the period when the heaviest snow will be falling. If you must travel, use extreme caution. The latest road conditions can be obtained by calling 5 1 1. && $$ Skowronski
3 follow-up statements
635 WWUS43 KGRB 281749 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 1149 AM CST Sun Feb 28 2021 ...WINTRY WEATHER EXPECTED ACROSS NORTH-CENTRAL AND NORTHEAST WISCONSIN THIS AFTERNOON... .A vigorous but fast moving storm system will move through the area this afternoon. The storm will bring snow, heavy at times, to north-central Wisconsin. A wintry mix of snow, freezing rain, sleet, and some rain is expected from central through northeast Wisconsin. Travel conditions could be very difficult across north-central Wisconsin early this afternoon as the heaviest snow moves through that area. WIZ013-021-030-281900- /O.EXP.KGRB.WW.Y.0009.000000T0000Z-210228T1800Z/ /00000.0.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Marinette County-Northern Oconto County-Marathon- Including the cities of Mountain, Lakewood, Wausau, Niagara, Townsend, and Wausaukee 1149 AM CST Sun Feb 28 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY... The threat for freezing precipitation and snow has diminished, therefore the Winter Weather Advisory will be allowed to expire at noon. $$ WIZ005-010-010000- /O.CON.KGRB.WS.W.0002.000000T0000Z-210301T0000Z/ Vilas-Oneida- Including the cities of Eagle River, Rhinelander, and Lac Du Flambeau 1149 AM CST Sun Feb 28 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 inches. * WHERE...Oneida and Vilas Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on hazardous travel conditions. * ADDITIONAL DETAILS...The heaviest snow will move through the area through 2 pm. Snowfall rates in excess of 1 inch per hour are possible during this period. As a result, travel could become very difficult during the mid-day hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... If possible, avoid travel during the period when the heaviest snow will be falling. If you must travel, use extreme caution. The latest road conditions can be obtained by calling 5 1 1. && $$ WIZ011-012-018-019-282100- /O.CON.KGRB.WW.Y.0009.000000T0000Z-210228T2100Z/ Forest-Florence-Lincoln-Langlade- Including the cities of Commonwealth, Spread Eagle, Merrill, Aurora, Antigo, Crandon, and Tomahawk 1149 AM CST Sun Feb 28 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Mixed wintry precipitation expected. Up to two inches of snow accumulation, along with minor icing due to freezing rain. * WHERE...Langlade, Lincoln, Florence and Forest Counties. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski
331 WWUS43 KGRB 282054 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 254 PM CST Sun Feb 28 2021 ...WINTRY WEATHER WINDING DOWN ACROSS NORTH-CENTRAL WISCONSIN LATE THIS AFTERNOON WISCONSIN THIS AFTERNOON... .A vigorous but fast moving storm system will continue to pull away from the area late this afternoon. Light to moderate snow will taper off through early evening across north-central Wisconsin, with an additional inch or two of snow possible before the snow ends. Travel conditions could be very difficult across north-central Wisconsin through this evening even after the snow ends until area roadways are treated. WIZ011-012-018-019-282200- /O.EXP.KGRB.WW.Y.0009.000000T0000Z-210228T2100Z/ Forest-Florence-Lincoln-Langlade- Including the cities of Commonwealth, Spread Eagle, Merrill, Aurora, Antigo, Crandon, and Tomahawk 254 PM CST Sun Feb 28 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON... The threat for freezing precipitation and snow has diminished, therefore the Winter Weather Advisory will be allowed to expire at 3 pm. $$ WIZ005-010-010000- /O.CON.KGRB.WS.W.0002.000000T0000Z-210301T0000Z/ Vilas-Oneida- Including the cities of Eagle River, Rhinelander, and Lac Du Flambeau 254 PM CST Sun Feb 28 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Light to moderate snow. Additional snow accumulations of one to two inches possible. * WHERE...Oneida and Vilas Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If possible, avoid travel during the period when the heaviest snow will be falling. If you must travel, use extreme caution. The latest road conditions can be obtained by calling 5 1 1. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski
061 WWUS43 KGRB 282223 WSWGRB URGENT - WINTER WEATHER MESSAGE National Weather Service Green Bay WI 423 PM CST Sun Feb 28 2021 WIZ005-010-282330- /O.CAN.KGRB.WS.W.0002.000000T0000Z-210301T0000Z/ Vilas-Oneida- Including the cities of Eagle River, Rhinelander, and Lac Du Flambeau 423 PM CST Sun Feb 28 2021 ...WINTER STORM WARNING IS CANCELLED... The snow has diminished to flurries, and no additional snow accumulation is expected. $$ For more information, visit us at http://www.weather.gov/GreenBay RDM
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 8:54 PM CST | Small Craft Advisory | GRB | 27 hr | |
| Feb 28, 4:03 AM CST | Winter Weather Advisory | GRB | Florence, Forest, Langlade, Lincoln, Marathon, Marinette and 1 more | 11 hr |
Nearby
Winter Storm Warnings in Wisconsin, 2021Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.