Alert archive / Wisconsin / Winter Storm Watches in 2021
Winter Storm Watch 3, NWS La Crosse, WI
NWS La Crosse, WI issued this winter storm watch at Feb 2, 2021, 2:29 PM CST for 13 counties in Wisconsin; 7 counties in Minnesota; 8 counties in Iowa. 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 2, 2021, 2:29 PM CST (20:29 UTC)
- In effect from
- Feb 4, 2021, 3:00 AM CST
- Expired
- Feb 3, 2021, 1:53 PM CST
- In force
- Issued by
- NWS La Crosse, WI
All 28 counties
Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 20:34 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
Minneapolis, MN (KMPX), launched 12:00Z, 8.5 hours before the alert went out and 210 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
- 809 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
111 WWUS43 KARX 022029 WSWARX URGENT - WINTER WEATHER MESSAGE National Weather Service La Crosse WI 229 PM CST Tue Feb 2 2021 ...Snow And Wind...Late Wed Night Thru Thu Night... .Snow will spread across the area overnight Wednesday, persisting through Thursday night. The bulk of the snow will fall during the day Thursday. A brief period of a wintry mix is possible at the onset of precipitation. Winds will then ramp up for Thursday night, and some blowing and drifting snow could occur in open areas. There are uncertainties on storm strength, which will influence how much snow could fall. Anticipate adjustments to forecast amounts as details are refined. Impacts to travel should be planned for, including the morning and evening commutes Thursday. WIZ017-029-030430- /O.NEW.KARX.WS.A.0003.210204T0900Z-210205T1200Z/ Taylor-Clark- Including the cities of Medford and Neillsville 229 PM CST Tue Feb 2 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Potential accumulations of 4 to 6 inches. Patchy blowing and drifting snow Thursday night. * WHERE...Taylor and Clark Counties. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Rieck
4 follow-up statements
808 WWUS43 KARX 022109 CCA WSWARX URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service La Crosse WI 309 PM CST Tue Feb 2 2021 ...Snow And Wind...Late Wed Night Thru Thu Night... .Snow will spread across the area overnight Wednesday, persisting through Thursday night. The bulk of the snow will fall during the day Thursday. A brief period of a wintry mix is possible at the onset of precipitation. Winds will then ramp up for Thursday night, and some blowing and drifting snow could occur in open areas. There are uncertainties on storm strength, which will influence how much snow could fall. Anticipate adjustments to forecast amounts as details are refined. Impacts to travel should be planned for, including the morning and evening commutes Thursday. WIZ017-029-030430- /O.COR.KARX.WS.A.0003.210204T0900Z-210205T1200Z/ Taylor-Clark- Including the cities of Medford and Neillsville 309 PM CST Tue Feb 2 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Potential accumulations of 4 to 8 inches. Patchy blowing and drifting snow Thursday night. * WHERE...Taylor and Clark Counties. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Rieck
324 WWUS43 KARX 030314 WSWARX URGENT - WINTER WEATHER MESSAGE National Weather Service La Crosse WI 914 PM CST Tue Feb 2 2021 ...Snowy and Becoming Windy Wed Night Into Thu Night... .Snow will spread into the area Wednesday night, increasing in coverage on Thursday before tapering off Thursday night. A brief period of wintry mix is possible at the onset of precipitation, otherwise the bulk of the snow will fall during the day Thursday. Northwest winds will then ramp up Thursday night with gusts to 35 mph possible. This may lead to some blowing and drifting snow in open areas. There are uncertainties on storm strength, which will influence how much snow could fall. Anticipate adjustments to forecast amounts as details are refined. Impacts to travel should be planned for, including the morning and evening commutes Thursday. WIZ017-029-031200- /O.CON.KARX.WS.A.0003.210204T0900Z-210205T1200Z/ Taylor-Clark- Including the cities of Medford and Neillsville 914 PM CST Tue Feb 2 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Potential accumulations of 4 to 8 inches. Patchy blowing and drifting snow Thursday night. * WHERE...Clark and Taylor Counties. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Kurz
265 WWUS43 KARX 030930 WSWARX URGENT - WINTER WEATHER MESSAGE National Weather Service La Crosse WI 330 AM CST Wed Feb 3 2021 ...Snow with Possible Blizzard Conditions Thursday and Thursday Night... .A wintry mix or rain will will spread into the area late Wednesday night or Thursday morning, changing to all snow by noon Thursday. The bulk of the snow will fall during the day Thursday and travel conditions will deteriorate rapidly. Northwest winds will then ramp up Thursday afternoon with gusts in the 30 to 40 mph range into the overnight. This could cause blizzard conditions across southeast Minnesota, northeast Iowa, and far southwest Wisconsin. Drifting snow will be found areawide. Travel could become dangerous in some areas later Thursday afternoon into the overnight. There are uncertainties on storm strength, which will influence how much snow could fall. Anticipate adjustments to forecast amounts as details are refined. MNZ079-088-096-WIZ032-033-041-053>055-031830- /O.EXB.KARX.WS.A.0003.210204T1200Z-210205T1200Z/ Wabasha-Winona-Houston-Buffalo-Trempealeau-La Crosse-Vernon- Crawford-Richland- Including the cities of Wabasha, Winona, Caledonia, Alma, Arcadia, Whitehall, La Crosse, Viroqua, Prairie Du Chien, and Richland Center 330 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy wet snow possible. Total snow accumulations of 3 to 7 inches possible. Winds could gust as high as 40 mph causing blowing and drifting snow. * WHERE...Portions of southwest and west central Wisconsin and southeast Minnesota. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ IAZ008>011-018-019-029-030-MNZ086-087-094-095-WIZ061-031830- /O.EXB.KARX.WS.A.0003.210204T1200Z-210205T1200Z/ Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette- Clayton-Dodge-Olmsted-Mower-Fillmore-Grant- Including the cities of Osage, Cresco, Decorah, Waukon, Charles City, New Hampton, Oelwein, Elkader, Dodge Center, Rochester, Austin, Preston, and Platteville 330 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... * WHAT...Blizzard conditions possible. Total snow accumulations of 2 to 6 inches possible. Winds could gust as high as 40 mph. * WHERE...Portions of southwest Wisconsin, northeast Iowa and southeast Minnesota. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...Plan on slippery road conditions. Whiteout conditions may occur, severely impacting travel due to blowing snow and significantly reduced visibility. The hazardous conditions could impact the morning and evening commutes on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. && $$ WIZ034-042>044-031830- /O.EXA.KARX.WS.A.0003.210204T0900Z-210205T1200Z/ Jackson-Monroe-Juneau-Adams- Including the cities of Black River Falls, Sparta, Tomah, Mauston, and Friendship 330 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 4 to 8 inches and ice accumulations of a light glaze possible. Winds could gust as high as 35 mph. * WHERE...Jackson, Monroe, Juneau and Adams Counties. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WIZ017-029-031830- /O.CON.KARX.WS.A.0003.210204T0900Z-210205T1200Z/ Taylor-Clark- Including the cities of Medford and Neillsville 330 AM CST Wed Feb 3 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Potential accumulations of 5 to 9 inches. Patchy blowing and drifting snow Thursday night with winds gusting to 30 mph. * WHERE...Clark and Taylor Counties. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Baumgardt/04
935 WWUS43 KARX 031953 WSWARX URGENT - WINTER WEATHER MESSAGE National Weather Service La Crosse WI 153 PM CST Wed Feb 3 2021 ...Snow, Wind, Impacts To Travel Thursday and Thursday Night... .A wintry mix or rain will slide across the area late tonight, transitioning to snow by early morning. The snow will quickly push east northeast through the day, gradually exiting across the northern Great Lakes by late evening. A few inches of snow are expected, with the higher amounts across Wisconsin. The bulk will fall during the day Thursday. In addition, a light icing cannot be ruled out for the Thursday morning commute thanks to that wintry mix. In addition, winds will be on the increase Thursday afternoon, staying strong and gusty through Thursday night. Gusts from 30 to 40 mph are anticipated. Areas of blowing and drifting snow will result. A short period of ground blizzard conditions are possible across the wind prone, open areas of southeast Minnesota and northeast Iowa, with this threat centered on the afternoon to early evening hours. Travel could become dangerous in some areas later Thursday afternoon into the overnight. IAZ008>010-018-019-029-MNZ086-087-094-095-040400- /O.UPG.KARX.WS.A.0003.210204T1200Z-210205T1200Z/ /O.NEW.KARX.WW.Y.0006.210204T0900Z-210205T0600Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Dodge-Olmsted- Mower-Fillmore- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, Dodge Center, Rochester, Austin, and Preston 153 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Snow expected. Accumulations of 1 to 3 inches. Winds gusting as high as 40 mph. Drifting and blowing snow. * WHERE...Portions of north central and northeast Iowa and southeast Minnesota. * WHEN...From 3 AM Thursday to midnight CST Thursday night. * IMPACTS...Plan on slippery road conditions. Blowing snow could significantly reduce visibility. The hazardous conditions will impact the morning and 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. && $$ IAZ011-030-MNZ079-088-096-WIZ032-033-041-053>055-061-040400- /O.UPG.KARX.WS.A.0003.210204T1200Z-210205T1200Z/ /O.NEW.KARX.WW.Y.0006.210204T0900Z-210205T0600Z/ Allamakee-Clayton-Wabasha-Winona-Houston-Buffalo-Trempealeau- La Crosse-Vernon-Crawford-Richland-Grant- Including the cities of Waukon, Elkader, Wabasha, Winona, Caledonia, Alma, Arcadia, Whitehall, La Crosse, Viroqua, Prairie Du Chien, Richland Center, and Platteville 153 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Snow expected. Accumulations of 2 to 4 inches. Winds gusting as high as 35 mph. Patchy blowing and drifting. * WHERE...Portions of southwest and west central Wisconsin, northeast Iowa and southeast Minnesota. * WHEN...From 3 AM Thursday to midnight CST Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and 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. && $$ WIZ017-029-034-042>044-040400- /O.UPG.KARX.WS.A.0003.210204T0900Z-210205T1200Z/ /O.NEW.KARX.WW.Y.0006.210204T0900Z-210205T0600Z/ Taylor-Clark-Jackson-Monroe-Juneau-Adams- Including the cities of Medford, Neillsville, Black River Falls, Sparta, Tomah, Mauston, and Friendship 153 PM CST Wed Feb 3 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. Winds gusting as high as 35 mph. Patchy blowing and drifting snow. * WHERE...Portions of west central Wisconsin. * WHEN...From 3 AM Thursday to midnight CST Thursday night. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Rieck
Nearby
Winter Storm Watches in Wisconsin, 2021Winter Storm Watches in Iowa, 2021Winter Storm Watches in Minnesota, 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.