Snow squalls developed ahead of an arctic cold front across east-central and northeast Wisconsin during the afternoon hours on Wednesday (12/4). Snow squalls reduced visibilities to one quarter of a mile or less with 30 to 50 mph winds.
Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GRB wrote it up.
Snow squalls developed ahead of an arctic cold front across east-central and northeast Wisconsin during the afternoon hours on Wednesday (12/4). Snow squalls reduced visibilities to one quarter of a mile or less with 30 to 50 mph winds.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Green Bay, WI wrote its last area forecast discussion before the first event at Dec 4, 11:50 AM CST, 3 hours 16 minutes earlier.
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</html>Special Weather Statement National Weather Service Green Bay WI 1224 PM CST Wed Dec 4 2024 WIZ022-030-031-035>040-045-048>050-042230- Door-Marathon-Shawano-Wood-Portage-Waupaca-Outagamie-Brown- Kewaunee-Waushara-Winnebago-Calumet-Manitowoc- 1224 PM CST Wed Dec 4 2024 ...LIGHT SNOW SHOWERS THIS AFTERNOON COULD PRODUCE BRIEF, HEAVIER BURSTS... Light snow is expected across central and east-central Wisconsin this afternoon. Embedded within the lighter snow, conditions are favorable for some brief, heavy snow showers. This could result in a rapid increase in snow intensity, lowered visibility to half a mile or less, and wind gusts up to 40 mph and blowing snow. If driving, be alert for sudden changes in road conditions and exercise winter driving precautions. Any heavy snow showers would last 30 to 60 minutes and then depart. WIZ010>013-018>021-073-074-042230- Oneida-Forest-Florence-Northern Marinette County-Lincoln-Langlade- Menominee-Northern Oconto County-Southern Marinette County- Southern Oconto County- 1224 PM CST Wed Dec 4 2024 ...LIGHT SNOW SHOWERS THIS AFTERNOON COULD PRODUCE BRIEF, HEAVIER BURSTS... Light snow is expected across northern Wisconsin this afternoon. Embedded within the lighter snow, conditions are favorable for some brief, heavy snow showers. This could result in a rapid increase in snow intensity, lowered visibility to 1 mile or less, and wind gusts up to 35 mph and blowing snow. If driving, be alert for sudden changes in road conditions and exercise winter driving precautions. Any heavy snow showers would last 30 to 60 minutes and then depart. WIZ005-042230- Vilas- 1224 PM CST Wed Dec 4 2024 ...INCREASING SNOW INTENSITY... Snow will continue across Vilas County from now through Thursday morning, becoming heaviest this evening and overnight due to lake effect from Lake Superior. Most places will get 3 to 5 inches of snow, with as much as 8 to 9 inches in far northwest Vilas County. Roads will become snow-covered and slippery, and strong winds will result in blowing snow and lowered visibility to 1 mile or less at times. Exercise winter driving precautions. KLJ
Special Weather Statement National Weather Service Green Bay WI 244 PM CST Wed Dec 4 2024 WIZ013-020>022-031-037>040-045-048>050-073-074-042345- Northern Marinette County-Menominee-Northern Oconto County-Door- Shawano-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County- Southern Oconto County- 244 PM CST Wed Dec 4 2024 ...REMAIN ALERT FOR BRIEF, HEAVIER BURSTS OF SNOW... Conditions are favorable for brief, heavy snow showers over the next 2 the 3 hours. These showers are embedded within a broader area of light snow. These heavy snow showers could result in a rapid increase in snow intensity, lowered visibility to a quarter mile or less, and wind gusts up to 40 mph and blowing snow. If driving, be alert for sudden changes in road conditions and exercise winter driving precautions. Any heavy snow showers would last about 15 to 45 minutes and then depart. WIZ010>012-018-019-030-035-036-042345- Oneida-Forest-Florence-Lincoln-Langlade-Marathon-Wood-Portage- 244 PM CST Wed Dec 4 2024 ...REMAIN ALERT FOR BRIEF, HEAVIER BURSTS OF SNOW AND LOCALIZED BLOWING SNOW... Conditions are favorable for brief, heavy snow showers over the next 1 to 3 hours. These showers are embedded within a broader area of light snow. These heavy snow showers could result in a rapid increase in snow intensity, lowered visibility to a half mile or less, and wind gusts up to 40 mph and blowing snow. If driving, be alert for sudden changes in road conditions and exercise winter driving precautions. Any heavy snow showers would last about 15 to 45 minutes and then depart. WIZ005-042345- Vilas- 244 PM CST Wed Dec 4 2024 ...INCREASING SNOW INTENSITY... Snow will continue across Vilas County from now through Thursday morning, becoming heaviest this evening and overnight due to lake effect from Lake Superior. Most places will get 3 to 5 inches of snow, with as much as 8 to 9 inches in far northwest Vilas County. Roads will become snow-covered and slippery, and strong winds will result in blowing snow and lowered visibility to 1 mile or less at times. Exercise winter driving precautions. KLJ
The national radar mosaic for the moment the first event began.
6 winter weather. Local standard time, as filed.
Snow Squall. Visibility dropped to one quarter mile for 9 minutes. Measured wind gusts of 39 mph at the Wautoma airport.
Snow Squall. Visibility dropped to one quarter mile for 13 minutes. Measured wind gusts of 49 mph at the Green Bay airport.
Snow Squall. Visibility dropped to one quarter mile for 23 minutes. Measured wind gusts of 47 mph at the Oshkosh airport.
Snow Squall. Visibility dropped to one quarter mile for 20 minutes. Measured wind gusts of 29 mph at the Ephraim-Gibralter airport.
Snow Squall. Visibility dropped to one quarter mile for 20 minutes. Measured wind gusts of 31 mph at the Washington Island airport.
Snow Squall. Visibility dropped to or below one quarter mile for 23 minutes. Measured wind gusts of 41 mph at the Sturgeon Bay airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2024Every state in 2024This day in weather historyWarnings in Wisconsin, December 2024
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1220060, 1220061, 1220062, 1220063, 1220064, 1220065.