Weather alerts in Wisconsin, December 2020

62 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2020. Tap one for its archive.

Alerts: 62
Warnings: 11
Watches: 9
Advisories: 37
Busiest day: December 28, 202010 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Dec 3, 8:41 PM CST	Small Craft Advisory	MKX		9 hr
Dec 3, 8:50 PM CST	Small Craft Advisory	GRB		6 hr
Dec 8, 3:16 AM CST	Small Craft Advisory	GRB		18 hr
Dec 9, 9:48 PM CST	Small Craft Advisory	GRB		56 hr
Dec 10, 2:15 PM CST	Gale Watch	MKX		13 hr
Dec 10, 2:15 PM CST	Small Craft Advisory	MKX		36 hr
Dec 10, 2:23 PM CST	Lakeshore Flood Watch	MKX	Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan	13 hr
Dec 11, 3:01 AM CST	Winter Weather Advisory	ARX	Grant	35 hr
Dec 11, 3:10 AM CST	Lakeshore Flood Warning	MKX	Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan	39 hr
Dec 11, 3:21 AM CST	Winter Weather Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Iowa and 11 more	35 hr
Dec 11, 3:30 AM CST	Gale Warning	MKX		42 hr
Dec 11, 3:42 AM CST	Lakeshore Flood Advisory	GRB	Brown, Oconto	34 hr
Dec 11, 3:58 AM CST	Winter Weather Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Winnebago	35 hr
Dec 11, 4:13 AM CST	Gale Warning	GRB		41 hr
Dec 12, 6:38 PM CST	Small Craft Advisory	MKX		11 hr
Dec 12, 9:02 PM CST	Small Craft Advisory	GRB		7 hr
Dec 13, 8:23 AM CST	Small Craft Advisory	MKX		31 hr
Dec 13, 9:08 AM CST	Small Craft Advisory	GRB		30 hr
Dec 15, 2:36 PM CST	Small Craft Advisory	MKX		27 hr
Dec 17, 2:41 AM CST	Gale Watch	MKX		18 hr
Dec 17, 8:35 PM CST	Gale Warning	MKX		30 hr
Dec 17, 8:35 PM CST	Small Craft Advisory	MKX		33 hr
Dec 17, 8:46 PM CST	Small Craft Advisory	GRB		42 hr
Dec 20, 2:42 PM CST	Small Craft Advisory	MKX		36 hr
Dec 21, 1:34 PM CST	Gale Watch	MKX		14 hr
Dec 21, 3:32 PM CST	Gale Watch	GRB		13 hr
Dec 22, 3:12 AM CST	Gale Warning	MKX		54 hr
Dec 22, 3:49 AM CST	Winter Storm Watch	MPX	Barron, Polk, Rusk, Saint Croix	23 hr
Dec 22, 4:04 AM CST	Gale Warning	GRB		50 hr
Dec 22, 4:04 AM CST	Small Craft Advisory	GRB		4 days
Dec 22, 5:25 AM CST	Winter Storm Watch	DLH	Ashland, Bayfield, Burnett, Douglas, Iron, Price and 2 more	22 hr
Dec 22, 2:50 PM CST	Winter Storm Warning	MPX	Barron, Pierce, Polk, Saint Croix	36 hr
Dec 22, 2:50 PM CST	Winter Weather Advisory	MPX	Chippewa, Dunn, Eau Claire, Pepin, Pierce, Rusk	36 hr
Dec 22, 3:22 PM CST	Winter Storm Warning	DLH	Ashland, Bayfield, Burnett, Douglas, Iron, Washburn	57 hr
Dec 22, 9:09 PM CST	Winter Weather Advisory	ARX	Buffalo, Clark, Jackson, Taylor, Trempealeau	29 hr
Dec 23, 2:55 AM CST	Winter Weather Advisory	GRB	Lincoln, Marathon, Oneida, Vilas	30 hr
Dec 23, 3:17 AM CST	Winter Weather Advisory	DLH	Price, Sawyer	25 hr
Dec 23, 12:33 PM CST	Mesoscale Discussion	SPC	Burnett, Douglas, Pierce, Polk, Saint Croix, Washburn	4 hr
Dec 23, 5:15 PM CST	Mesoscale Discussion	SPC	Ashland, Barron, Bayfield, Burnett, Douglas, Dunn and 8 more	6 hr
Dec 24, 9:11 AM CST	Small Craft Advisory	MKX		48 hr
Dec 24, 3:14 PM CST	Wind Chill Advisory	DLH	Douglas	15 hr
Dec 27, 3:32 AM CST	Winter Weather Advisory	MKX	Columbia, Green Lake, Marquette, Sauk	17 hr
Dec 27, 3:36 AM CST	Small Craft Advisory	MKX		40 hr
Dec 27, 3:38 AM CST	Winter Weather Advisory	GRB	Brown, Door, Kewaunee, Marinette, Menominee, Oconto and 7 more	19 hr
Dec 27, 4:04 AM CST	Small Craft Advisory	GRB		41 hr
Dec 27, 4:11 AM CST	Winter Weather Advisory	ARX	Adams, Juneau, Monroe, Richland, Vernon	15 hr
Dec 27, 9:09 PM CST	Small Craft Advisory	GRB		24 hr
Dec 28, 3:18 AM CST	Winter Weather Advisory	MPX	Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more	47 hr
Dec 28, 3:45 AM CST	Winter Storm Watch	ARX	Crawford, Grant, Richland, Vernon	11 hr
Dec 28, 3:45 AM CST	Winter Weather Advisory	ARX	Adams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more	53 hr
Dec 28, 4:19 AM CST	Winter Storm Watch	MKX	Dane, Green, Iowa, Lafayette, Rock, Sauk	10 hr
Dec 28, 1:49 PM CST	Winter Storm Warning	MKX	Columbia, Dane, Dodge, Green, Iowa, Jefferson and 7 more	40 hr
Dec 28, 1:49 PM CST	Winter Weather Advisory	MKX	Dodge, Fond du Lac, Green Lake, Jefferson, Kenosha, Marquette and 7 more	43 hr
Dec 28, 2:03 PM CST	Winter Weather Advisory	GRB	Brown, Calumet, Door, Florence, Forest, Kewaunee and 16 more	43 hr
Dec 28, 2:31 PM CST	Winter Storm Warning	ARX	Crawford, Grant, Richland, Vernon	37 hr
Dec 28, 3:01 PM CST	Winter Weather Advisory	DLH	Ashland, Bayfield, Burnett, Douglas, Iron, Price and 2 more	42 hr
Dec 29, 2:23 AM CST	Gale Warning	MKX		28 hr
Dec 29, 4:11 AM CST	Small Craft Advisory	GRB		41 hr
Dec 29, 2:17 PM CST	Mesoscale Discussion	SPC	Grant, Green, Lafayette, Rock	4 hr
Dec 29, 3:52 PM CST	Mesoscale Discussion	SPC	Jefferson, Kenosha, Milwaukee, Racine, Walworth, Waukesha	4 hr
Dec 30, 1:15 AM CST	Mesoscale Discussion	SPC	Kenosha, Milwaukee, Racine, Walworth	6 hr
Dec 30, 5:53 AM CST	Small Craft Advisory	MKX		15 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Mesoscale Discussion	5
Winter
Winter Storm Warning	4
Winter Storm Watch	4
Winter Weather Advisory	15
Cold
Wind Chill Advisory	1
Coast and beach
Lakeshore Flood Warning	1
Lakeshore Flood Watch	1
Lakeshore Flood Advisory	1
Marine
Gale Warning	6
Gale Watch	4
Small Craft Advisory	20

By county

Every county with at least one alert. A county page lists each alert that covered it.

32 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2019 2021

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.