Alert archive / Wisconsin / Winter Storm Watches in 2021
Winter Storm Watch 2, NWS Milwaukee, WI
NWS Milwaukee, WI issued this winter storm watch at Feb 3, 2021, 3:05 AM CST for 13 counties in Wisconsin. It took effect at Feb 4, 2021, 3:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 3, 2021, 3:05 AM CST (09:05 UTC)
- In effect from
- Feb 4, 2021, 3:00 AM CST
- Expired
- Feb 3, 2021, 1:48 PM CST
- In force
- Issued by
- NWS Milwaukee, WI
Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Lafayette County, WI, Marquette County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI
The radar
The Milwaukee radar (KMKX), 64 km from the middle of the area, began a volume at 09:05 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 00:00Z, 9.1 hours before the alert went out and 162 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
- 1325 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
418 WWUS43 KMKX 030905 WSWMKX URGENT - WINTER WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 305 AM CST Wed Feb 3 2021 WIZ059-060-065-066-070>072-031800- /O.NEW.KMKX.WW.Y.0007.210204T1200Z-210205T1800Z/ Washington-Ozaukee-Waukesha-Milwaukee-Walworth-Racine-Kenosha- Including the cities of West Bend, Germantown, Hartford, Mequon, Cedarburg, Grafton, Waukesha, Brookfield, New Berlin, Menomonee Falls, Muskego, Milwaukee, Whitewater, Delavan, Elkhorn, Lake Geneva, East Troy, Racine, and Kenosha 305 AM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO NOON CST FRIDAY... * WHAT...A wintry mix to snow. Total snow accumulations of 3 to 5 inches will be possible. Winds gusting as high as 35 mph. Blowing and drifting snow will be possible. * WHERE...Portions of southeast Wisconsin. * WHEN...From 6 AM Thursday to noon CST Friday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or 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. && $$ WIZ046-047-056-057-031800- /O.NEW.KMKX.WS.A.0002.210204T0900Z-210205T1800Z/ Marquette-Green Lake-Sauk-Columbia- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, Markesan, Baraboo, Reedsburg, Prairie Du Sac, Sauk City, Portage, Columbus, Lake Wisconsin, and Lodi 305 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT... Accumulating snow with a chance for a light wintry mix. Total snow accumulations of 4 to 6 inches and ice accumulations of a light glaze possible. Winds could gust as high as 35 mph. Blowing and drifting snow will be possible. * WHERE...Marquette, Green Lake, Sauk and Columbia Counties. * WHEN...From late tonight through Friday morning. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WIZ051-052-058-062>064-067>069-031800- /O.NEW.KMKX.WS.A.0002.210204T1200Z-210205T1800Z/ Fond du Lac-Sheboygan-Dodge-Iowa-Dane-Jefferson-Lafayette-Green- Rock- Including the cities of Fond Du Lac, Plymouth, Sheboygan Falls, Howards Grove, Oostburg, Beaver Dam, Waupun, Mayville, Dodgeville, Mineral Point, Barneveld, Madison, Watertown, Fort Atkinson, Jefferson, Darlington, Shullsburg, Benton, Belmont, Argyle, Blanchardville, Monroe, Brodhead, Janesville, and Beloit 305 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... * WHAT...Accumulating snow with a chance for a light wintry mix. Total snow accumulations of 4 to 6 inches and ice accumulations of a light glaze possible. Winds could gust as high as 40 mph. Blowing and drifting snow will be possible. * WHERE...Portions of east central, south central and southeast Wisconsin. * WHEN...From Thursday morning through Friday morning. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
2 follow-up statements
793 WWUS43 KMKX 031519 WSWMKX URGENT - WINTER WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 919 AM CST Wed Feb 3 2021 WIZ059-060-065-066-070>072-032330- /O.CON.KMKX.WW.Y.0007.210204T1200Z-210205T1800Z/ Washington-Ozaukee-Waukesha-Milwaukee-Walworth-Racine-Kenosha- Including the cities of West Bend, Germantown, Hartford, Mequon, Cedarburg, Grafton, Waukesha, Brookfield, New Berlin, Menomonee Falls, Muskego, Milwaukee, Whitewater, Delavan, Elkhorn, Lake Geneva, East Troy, Racine, and Kenosha 919 AM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO NOON CST FRIDAY... * WHAT...A wintry mix to snow. Total snow accumulations of 3 to 5 inches will be possible. Winds gusting as high as 35 mph. Blowing and drifting snow will be possible. * WHERE...Portions of southeast Wisconsin. * WHEN...From 6 AM Thursday to noon CST Friday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WIZ046-047-056-057-032330- /O.CON.KMKX.WS.A.0002.210204T0900Z-210205T1800Z/ Marquette-Green Lake-Sauk-Columbia- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, Markesan, Baraboo, Reedsburg, Prairie Du Sac, Sauk City, Portage, Columbus, Lake Wisconsin, and Lodi 919 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT... Accumulating snow with a chance for a light wintry mix. Total snow accumulations of 4 to 6 inches and ice accumulations of a light glaze possible. Winds could gust as high as 35 mph. Blowing and drifting snow will be possible. * WHERE...Marquette, Green Lake, Sauk and Columbia Counties. * WHEN...From late tonight through Friday morning. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WIZ051-052-058-062>064-067>069-032330- /O.CON.KMKX.WS.A.0002.210204T1200Z-210205T1800Z/ Fond du Lac-Sheboygan-Dodge-Iowa-Dane-Jefferson-Lafayette-Green- Rock- Including the cities of Fond Du Lac, Plymouth, Sheboygan Falls, Howards Grove, Oostburg, Beaver Dam, Waupun, Mayville, Dodgeville, Mineral Point, Barneveld, Madison, Watertown, Fort Atkinson, Jefferson, Darlington, Shullsburg, Benton, Belmont, Argyle, Blanchardville, Monroe, Brodhead, Janesville, and Beloit 919 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... * WHAT...Accumulating snow with a chance for a light wintry mix. Total snow accumulations of 4 to 6 inches and ice accumulations of a light glaze possible. Winds could gust as high as 40 mph. Blowing and drifting snow will be possible. * WHERE...Portions of east central, south central and southeast Wisconsin. * WHEN...From Thursday morning through Friday morning. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MRC
110 WWUS43 KMKX 031948 WSWMKX URGENT - WINTER WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 148 PM CST Wed Feb 3 2021 WIZ062-063-067-068-040400- /O.UPG.KMKX.WS.A.0002.210204T1200Z-210205T1800Z/ /O.EXB.KMKX.WW.Y.0007.210204T0900Z-210205T1800Z/ Iowa-Dane-Lafayette-Green- Including the cities of Dodgeville, Mineral Point, Barneveld, Madison, Darlington, Shullsburg, Benton, Belmont, Argyle, Blanchardville, Monroe, and Brodhead 148 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO NOON CST FRIDAY... * WHAT...Mixed precipitation expected early Thursday morning, changing to all snow later Thursday morning and continuing into the evening. Blowing and drifting snow Thursday night into Friday morning. Total snow accumulations of 3 to 6 inches and ice accumulations of a light glaze. Winds gusting as high as 35 MPH Thursday night into Friday morning. * WHERE...Iowa, Dane, Lafayette and Green Counties. * WHEN...From 3 AM Thursday to noon CST Friday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. The hazardous conditions will impact the morning and evening commutes Thursday. 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. && $$ WIZ046-047-056-057-040400- /O.UPG.KMKX.WS.A.0002.210204T0900Z-210205T1800Z/ /O.EXB.KMKX.WW.Y.0007.210204T0900Z-210205T1800Z/ Marquette-Green Lake-Sauk-Columbia- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, Markesan, Baraboo, Reedsburg, Prairie Du Sac, Sauk City, Portage, Columbus, Lake Wisconsin, and Lodi 148 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO NOON CST FRIDAY... * WHAT...Mixed precipitation expected early Thursday morning, changing to all snow later Thursday morning and continuing into the evening. Blowing and drifting snow Thursday night into Friday morning. Total snow accumulations of 4 to 6 inches and ice accumulations of a light glaze. Winds gusting as high as 35 MPH Thursday night into Friday morning. * WHERE...Marquette, Green Lake, Sauk and Columbia Counties. * WHEN...From 3 AM Thursday to noon CST Friday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. The hazardous conditions will impact the morning and evening commutes Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WIZ051-052-058-064-069-040400- /O.UPG.KMKX.WS.A.0002.210204T1200Z-210205T1800Z/ /O.EXB.KMKX.WW.Y.0007.210204T1300Z-210205T1800Z/ Fond du Lac-Sheboygan-Dodge-Jefferson-Rock- Including the cities of Fond Du Lac, Plymouth, Sheboygan Falls, Howards Grove, Oostburg, Beaver Dam, Waupun, Mayville, Watertown, Fort Atkinson, Jefferson, Janesville, and Beloit 148 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM THURSDAY TO NOON CST FRIDAY... * WHAT...Mixed precipitation expected early Thursday morning, changing to all snow by later Thursday morning and continuing into the evening. Blowing and drifting snow Thursday night into Friday morning. Total snow accumulations of 3 to 6 inches, highest toward Fond du Lac and Sheboygan, and ice accumulations of a light glaze. Winds gusting as high as 35 to 40 MPH Thursday night into Friday morning. * WHERE...Fond du Lac, Sheboygan, Dodge, Jefferson and Rock Counties. * WHEN...From 7 AM Thursday to noon CST Friday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. The hazardous conditions will impact the morning and evening commutes Thursday. 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. && $$ WIZ059-060-065-066-070>072-040400- /O.EXT.KMKX.WW.Y.0007.210204T1300Z-210205T1800Z/ Washington-Ozaukee-Waukesha-Milwaukee-Walworth-Racine-Kenosha- Including the cities of West Bend, Germantown, Hartford, Mequon, Cedarburg, Grafton, Waukesha, Brookfield, New Berlin, Menomonee Falls, Muskego, Milwaukee, Whitewater, Delavan, Elkhorn, Lake Geneva, East Troy, Racine, and Kenosha 148 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 7 AM THURSDAY TO NOON CST FRIDAY... * WHAT...Snow expected Thursday morning and continuing into the evening. Blowing and drifting snow Thursday night into Friday morning. Total snow accumulations of 2 to 5 inches, highest north of Milwaukee. Winds gusting as high as 35 to 40 MPH Thursday night into Friday morning. * WHERE...Portions of southeast Wisconsin. * WHEN...From 7 AM Thursday to noon CST Friday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. The hazardous conditions will impact the morning and evening commutes Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Wood
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 9:00 PM CST | Gale Watch | MKX | 17 hr | |
| Feb 3, 2:40 AM CST | Small Craft Advisory | MKX | 41 hr | |
| Feb 3, 3:05 AM CST | Winter Weather Advisory | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more | 57 hr |
| Feb 3, 2:00 PM CST | Gale Warning | MKX | 52 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.