Alert archive / Wisconsin / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Wisconsin, 2018

326 severe thunderstorm warnings in 2018. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 2018. Tap one for its archive.

Severe Thunderstorm Warnings: 326
Busiest month: August91 severe thunderstorm warnings
Busiest day: August 28, 201827 severe thunderstorm warnings

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

174 of 326 severe thunderstorm warnings covering Wisconsin in 2018 had a qualifying storm report inside them; 327 of 473 hail, wind and damage reports fell inside a warning, on average 22 minutes after it went out.

Wisconsin, 2018

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Severe thunderstorm warnings	326	174	47%	473	69%	22 min

Each office's whole area, 2018

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Green Bay, WI: severe thunderstorm warnings	73	42	42%	130	68%	22 min
NWS La Crosse, WI: severe thunderstorm warnings	115	62	46%	187	67%	24 min
NWS Milwaukee, WI: severe thunderstorm warnings	79	48	39%	147	78%	21 min
NWS Duluth, MN: severe thunderstorm warnings	220	101	54%	213	76%	21 min
NWS Twin Cities, MN: severe thunderstorm warnings	159	73	54%	311	66%	21 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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
Apr 13, 7:48 AM CDT	Severe Thunderstorm Warning	ARX	Crawford, Richland	42 min
Apr 13, 8:13 AM CDT	Severe Thunderstorm Warning	ARX	Richland	32 min
Apr 13, 8:16 AM CDT	Severe Thunderstorm Warning	MKX	Sauk	44 min
Apr 13, 9:43 AM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Washington	32 min
Apr 13, 9:58 AM CDT	Severe Thunderstorm Warning	MKX	Sheboygan, Washington	36 min
May 2, 6:53 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Iowa, Lafayette	52 min
May 2, 7:44 PM CDT	Severe Thunderstorm Warning	MKX	Green, Rock	46 min
May 2, 7:48 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson	42 min
May 2, 8:17 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Washington, Waukesha	43 min
May 2, 8:23 PM CDT	Severe Thunderstorm Warning	MKX	Rock, Walworth	59 min
May 2, 8:50 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Milwaukee, Racine	40 min
May 9, 3:28 PM CDT	Severe Thunderstorm Warning	MKX	Dane	32 min
May 9, 5:29 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Racine	16 min
May 24, 7:43 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Saint Croix	47 min
May 24, 9:03 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	28 min
May 25, 3:28 PM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	32 min
May 25, 3:33 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	24 min
May 25, 3:50 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	25 min
May 25, 4:29 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer, Washburn	31 min
May 25, 4:46 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn	44 min
May 25, 4:59 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Taylor	46 min
May 25, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	57 min
May 25, 5:27 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	48 min
May 25, 5:37 PM CDT	Severe Thunderstorm Warning	ARX	Taylor	35 min
May 25, 5:41 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Sawyer	34 min
May 25, 6:01 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Polk, Saint Croix	44 min
May 25, 6:06 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Vernon	24 min
May 25, 6:10 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	35 min
May 25, 6:24 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	36 min
May 25, 6:42 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	23 min
May 25, 6:42 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn	37 min
May 25, 6:43 PM CDT	Severe Thunderstorm Warning	ARX	Crawford	47 min
May 25, 6:44 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Marinette	61 min
May 25, 6:59 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	31 min
May 25, 7:02 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Eau Claire, Pepin, Pierce	58 min
May 25, 7:05 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	40 min
May 25, 7:18 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	27 min
May 25, 7:32 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	43 min
May 25, 7:40 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	65 min
May 25, 7:48 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer, Washburn	27 min
May 26, 4:57 PM CDT	Severe Thunderstorm Warning	GRB	Door	63 min
May 26, 6:42 PM CDT	Severe Thunderstorm Warning	GRB	Door	38 min
May 26, 7:54 PM CDT	Severe Thunderstorm Warning	GRB	Door	14 min
May 27, 4:19 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson, Washington, Waukesha	41 min
May 28, 7:10 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	35 min
May 28, 7:19 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk	26 min
May 28, 7:44 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk	46 min
May 29, 3:59 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	22 min
May 29, 4:00 PM CDT	Severe Thunderstorm Warning	MPX	Polk	60 min
May 29, 4:06 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	39 min
May 29, 4:44 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	31 min
May 29, 5:10 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	50 min
May 29, 5:30 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn	26 min
May 29, 5:53 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Rusk	52 min
Jun 12, 10:13 PM CDT	Severe Thunderstorm Warning	DLH	Iron, Price	32 min
Jun 13, 12:02 AM CDT	Severe Thunderstorm Warning	DLH	Price	43 min
Jun 13, 1:07 AM CDT	Severe Thunderstorm Warning	ARX	Taylor	13 min
Jun 15, 3:39 AM CDT	Severe Thunderstorm Warning	ARX	Juneau	51 min
Jun 15, 3:43 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Sawyer	32 min
Jun 15, 3:46 AM CDT	Severe Thunderstorm Warning	GRB	Wood	44 min
Jun 15, 3:49 AM CDT	Severe Thunderstorm Warning	DLH	Bayfield	41 min
Jun 15, 3:56 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield	49 min
Jun 15, 4:15 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Iron, Sawyer	45 min
Jun 15, 4:51 AM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	39 min
Jun 15, 5:38 AM CDT	Severe Thunderstorm Warning	ARX	Clark	52 min
Jun 15, 5:59 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	46 min
Jun 15, 8:09 AM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage	43 min
Jun 15, 9:22 AM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Waukesha	38 min
Jun 15, 11:01 AM CDT	Severe Thunderstorm Warning	DLH	Douglas	44 min
Jun 15, 12:31 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	29 min
Jun 15, 2:10 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield	50 min
Jun 15, 5:48 PM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	42 min
Jun 15, 6:09 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Monroe	51 min
Jun 15, 10:50 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	40 min
Jun 16, 3:58 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	32 min
Jun 16, 4:02 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette	28 min
Jun 16, 4:24 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Waupaca, Waushara, Winnebago	66 min
Jun 16, 4:40 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	40 min
Jun 16, 4:47 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	43 min
Jun 16, 5:38 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	52 min
Jun 16, 6:08 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	67 min
Jun 16, 6:28 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	47 min
Jun 16, 7:08 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	63 min
Jun 16, 9:22 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas, Washburn	23 min
Jun 16, 10:02 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas, Washburn	28 min
Jun 17, 2:05 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	25 min
Jun 17, 2:16 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	29 min
Jun 17, 2:29 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas	31 min
Jun 17, 2:53 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	22 min
Jun 17, 3:01 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Burnett, Douglas, Washburn	44 min
Jun 17, 3:36 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas, Sawyer, Washburn	24 min
Jun 17, 3:42 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Washburn	33 min
Jun 17, 3:57 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Iron, Price, Sawyer	78 min
Jun 17, 4:09 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire	24 min
Jun 17, 4:14 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer, Washburn	31 min
Jun 17, 4:41 PM CDT	Severe Thunderstorm Warning	GRB	Vilas	64 min
Jun 17, 5:13 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	47 min
Jun 17, 5:29 PM CDT	Severe Thunderstorm Warning	ARX	Clark	46 min
Jun 17, 5:32 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk	43 min
Jun 17, 5:47 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Oneida, Vilas	58 min
Jun 17, 6:16 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn, Rusk	44 min
Jun 17, 6:34 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Oneida	34 min
Jun 17, 6:46 PM CDT	Severe Thunderstorm Warning	ARX	Clark	59 min
Jun 17, 7:01 PM CDT	Severe Thunderstorm Warning	ARX	Taylor	50 min
Jun 17, 7:10 PM CDT	Severe Thunderstorm Warning	DLH	Price	35 min
Jun 17, 7:17 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	88 min
Jun 17, 7:20 PM CDT	Severe Thunderstorm Warning	GRB	Langlade	40 min
Jun 17, 8:16 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Menominee, Oconto, Shawano	59 min
Jun 17, 8:17 PM CDT	Severe Thunderstorm Warning	GRB	Marinette	31 min
Jun 17, 8:38 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	52 min
Jun 17, 9:12 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Menominee, Oconto, Shawano	51 min
Jun 18, 3:21 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Racine, Walworth, Waukesha	24 min
Jun 18, 3:37 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	38 min
Jun 18, 4:17 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine, Walworth	28 min
Jun 18, 4:29 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha	27 min
Jun 26, 1:47 PM CDT	Severe Thunderstorm Warning	MKX	Rock	43 min
Jun 28, 4:26 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	49 min
Jun 28, 5:12 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas, Washburn	48 min
Jun 29, 9:08 AM CDT	Severe Thunderstorm Warning	DLH	Ashland	37 min
Jun 30, 3:00 AM CDT	Severe Thunderstorm Warning	DLH	Douglas	45 min
Jun 30, 3:46 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	59 min
Jun 30, 4:27 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Trempealeau	48 min
Jun 30, 4:58 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	62 min
Jun 30, 4:59 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse	46 min
Jun 30, 5:57 PM CDT	Severe Thunderstorm Warning	ARX	Juneau, Richland, Vernon	63 min
Jun 30, 6:06 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	24 min
Jun 30, 6:26 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	49 min
Jun 30, 6:29 PM CDT	Severe Thunderstorm Warning	ARX	Adams	46 min
Jun 30, 6:53 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette, Sauk	37 min
Jun 30, 7:38 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Iowa, Lafayette	52 min
Jun 30, 7:48 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse	26 min
Jul 1, 12:10 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Portage, Shawano, Waupaca	50 min
Jul 1, 12:23 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto	82 min
Jul 1, 1:10 PM CDT	Severe Thunderstorm Warning	MKX	Marquette	35 min
Jul 1, 1:20 PM CDT	Severe Thunderstorm Warning	GRB	Marinette	55 min
Jul 1, 1:37 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto, Outagamie	53 min
Jul 1, 2:06 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Waupaca, Waushara, Winnebago	39 min
Jul 1, 2:40 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto, Outagamie, Shawano	50 min
Jul 1, 2:43 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Washington, Waukesha	47 min
Jul 1, 3:13 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Marinette, Oconto	47 min
Jul 1, 3:23 PM CDT	Severe Thunderstorm Warning	MKX	Sheboygan	19 min
Jul 1, 3:24 PM CDT	Severe Thunderstorm Warning	GRB	Door	66 min
Jul 1, 3:26 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Washington	36 min
Jul 1, 3:41 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee	19 min
Jul 1, 4:13 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	17 min
Jul 4, 11:51 AM CDT	Severe Thunderstorm Warning	DLH	Ashland	24 min
Jul 4, 4:12 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse	27 min
Jul 4, 4:37 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	23 min
Jul 4, 4:59 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	31 min
Jul 4, 5:13 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Outagamie	30 min
Jul 12, 5:18 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	27 min
Jul 12, 6:44 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Rusk	46 min
Jul 12, 7:06 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	54 min
Jul 12, 7:27 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire, Rusk	48 min
Jul 12, 7:38 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Clark, Jackson, Trempealeau	52 min
Jul 12, 7:41 PM CDT	Severe Thunderstorm Warning	DLH	Price	49 min
Jul 12, 7:43 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Taylor	62 min
Jul 12, 8:23 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon, Wood	67 min
Jul 12, 8:29 PM CDT	Severe Thunderstorm Warning	DLH	Price	46 min
Jul 12, 8:32 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson, La Crosse, Monroe, Trempealeau	43 min
Jul 12, 8:39 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Taylor	36 min
Jul 12, 8:49 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	41 min
Jul 12, 9:15 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	37 min
Jul 13, 4:36 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Manitowoc	39 min
Jul 13, 4:47 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	43 min
Jul 13, 5:00 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	60 min
Jul 13, 5:29 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant, Richland	61 min
Jul 13, 5:44 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac, Sheboygan	38 min
Jul 13, 5:58 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	62 min
Jul 13, 6:25 PM CDT	Severe Thunderstorm Warning	ARX	Grant	35 min
Jul 13, 6:39 PM CDT	Severe Thunderstorm Warning	MKX	Lafayette	66 min
Jul 13, 7:04 PM CDT	Severe Thunderstorm Warning	MKX	Green	41 min
Jul 13, 7:26 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Green Lake	49 min
Jul 13, 7:29 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Rock	61 min
Jul 25, 5:28 PM CDT	Severe Thunderstorm Warning	DLH	Price	32 min
Jul 25, 5:45 PM CDT	Severe Thunderstorm Warning	DLH	Ashland	30 min
Jul 25, 6:12 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	62 min
Jul 25, 6:44 PM CDT	Severe Thunderstorm Warning	GRB	Wood	61 min
Jul 25, 7:11 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Juneau, Monroe	36 min
Jul 25, 8:49 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie	24 min
Jul 25, 9:34 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake	26 min
Aug 1, 5:02 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	43 min
Aug 1, 6:44 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage	46 min
Aug 3, 9:43 AM CDT	Severe Thunderstorm Warning	MPX	Pierce	32 min
Aug 3, 10:12 AM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin, Pierce	33 min
Aug 3, 10:47 AM CDT	Severe Thunderstorm Warning	MPX	Dunn, Eau Claire, Pepin	28 min
Aug 3, 12:52 PM CDT	Severe Thunderstorm Warning	DLH	Price	38 min
Aug 3, 1:13 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	47 min
Aug 3, 1:27 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln	50 min
Aug 3, 1:30 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Price	45 min
Aug 3, 1:45 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	45 min
Aug 3, 2:28 PM CDT	Severe Thunderstorm Warning	DLH	Iron	47 min
Aug 3, 2:48 PM CDT	Severe Thunderstorm Warning	DLH	Iron	27 min
Aug 3, 3:17 PM CDT	Severe Thunderstorm Warning	DLH	Iron	13 min
Aug 4, 12:17 AM CDT	Severe Thunderstorm Warning	MPX	Polk	28 min
Aug 4, 9:30 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie	60 min
Aug 5, 3:54 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Price, Sawyer	51 min
Aug 5, 4:43 PM CDT	Severe Thunderstorm Warning	DLH	Price	25 min
Aug 5, 5:57 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Oneida	33 min
Aug 5, 6:39 PM CDT	Severe Thunderstorm Warning	MKX	Green, Lafayette	36 min
Aug 5, 7:12 PM CDT	Severe Thunderstorm Warning	MKX	Green, Lafayette	48 min
Aug 8, 6:55 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas	50 min
Aug 8, 7:27 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Iron, Sawyer	33 min
Aug 8, 11:43 PM CDT	Severe Thunderstorm Warning	GRB	Marathon	24 min
Aug 9, 3:15 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge, Jefferson	22 min
Aug 9, 5:08 PM CDT	Severe Thunderstorm Warning	MKX	Rock	15 min
Aug 16, 2:23 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	37 min
Aug 26, 4:29 AM CDT	Severe Thunderstorm Warning	DLH	Burnett	46 min
Aug 26, 5:47 AM CDT	Severe Thunderstorm Warning	MPX	Polk	43 min
Aug 26, 6:25 AM CDT	Severe Thunderstorm Warning	MPX	Polk	50 min
Aug 26, 7:10 AM CDT	Severe Thunderstorm Warning	MPX	Dunn, Polk, Saint Croix	50 min
Aug 26, 7:28 AM CDT	Severe Thunderstorm Warning	MPX	Barron, Rusk	62 min
Aug 26, 3:24 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	36 min
Aug 26, 3:57 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette, Sauk	48 min
Aug 26, 4:11 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane	49 min
Aug 26, 4:17 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	43 min
Aug 26, 4:19 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waupaca, Waushara	56 min
Aug 26, 4:41 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Fond du Lac, Green Lake	49 min
Aug 26, 4:49 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Waupaca, Waushara, Winnebago	45 min
Aug 26, 5:13 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Dodge, Jefferson	27 min
Aug 26, 8:42 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson, Rock	48 min
Aug 26, 9:02 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	31 min
Aug 26, 9:10 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson	35 min
Aug 26, 9:29 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Waukesha	31 min
Aug 26, 9:38 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Washington	37 min
Aug 26, 9:53 PM CDT	Severe Thunderstorm Warning	MKX	Walworth	36 min
Aug 26, 10:18 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Waukesha	16 min
Aug 26, 11:06 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Waukesha	39 min
Aug 26, 11:42 PM CDT	Severe Thunderstorm Warning	MKX	Rock, Walworth	19 min
Aug 27, 2:30 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	45 min
Aug 27, 4:12 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas	33 min
Aug 27, 4:40 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Sawyer	50 min
Aug 27, 5:14 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	46 min
Aug 27, 5:28 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	77 min
Aug 27, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin, Pierce, Saint Croix	58 min
Aug 27, 5:58 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas	47 min
Aug 27, 6:03 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk, Saint Croix	57 min
Aug 27, 6:07 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Jackson, Trempealeau	68 min
Aug 27, 6:20 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire, Pepin	55 min
Aug 27, 6:34 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas, Washburn	41 min
Aug 27, 6:41 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Rusk	36 min
Aug 27, 6:58 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Sawyer, Washburn	47 min
Aug 27, 7:12 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas, Sawyer, Washburn	33 min
Aug 27, 7:42 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Sawyer, Washburn	48 min
Aug 27, 7:48 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Wood	57 min
Aug 27, 8:17 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Price, Sawyer	43 min
Aug 27, 8:30 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon	44 min
Aug 27, 8:44 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	48 min
Aug 27, 8:57 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	33 min
Aug 27, 9:08 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waupaca, Waushara	37 min
Aug 27, 9:12 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	48 min
Aug 27, 9:28 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Portage, Shawano, Waupaca	47 min
Aug 27, 9:48 PM CDT	Severe Thunderstorm Warning	GRB	Oconto, Shawano	42 min
Aug 27, 9:59 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Outagamie, Waupaca, Winnebago	38 min
Aug 27, 10:32 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Kewaunee, Manitowoc	43 min
Aug 27, 10:41 PM CDT	Severe Thunderstorm Warning	GRB	Door	36 min
Aug 27, 10:47 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	43 min
Aug 28, 1:54 PM CDT	Severe Thunderstorm Warning	ARX	Juneau, Monroe, Vernon	51 min
Aug 28, 2:27 PM CDT	Severe Thunderstorm Warning	ARX	Adams	48 min
Aug 28, 2:29 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Marquette, Sauk	46 min
Aug 28, 2:35 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Outagamie	29 min
Aug 28, 2:36 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	39 min
Aug 28, 3:06 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette	39 min
Aug 28, 3:24 PM CDT	Severe Thunderstorm Warning	GRB	Waushara, Winnebago	51 min
Aug 28, 3:35 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Fond du Lac, Green Lake	55 min
Aug 28, 3:44 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge	33 min
Aug 28, 4:03 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Manitowoc, Winnebago	42 min
Aug 28, 4:15 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington	60 min
Aug 28, 4:41 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Milwaukee, Ozaukee, Washington, Waukesha	27 min
Aug 31, 4:06 AM CDT	Severe Thunderstorm Warning	DLH	Iron, Price	24 min
Aug 31, 6:49 AM CDT	Severe Thunderstorm Warning	MPX	Polk	20 min
Aug 31, 11:38 AM CDT	Severe Thunderstorm Warning	MPX	Pierce	37 min
Aug 31, 8:02 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	43 min
Aug 31, 10:02 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	28 min
Aug 31, 10:31 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	29 min
Aug 31, 11:22 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield	23 min
Sep 2, 3:21 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	24 min
Sep 2, 4:09 PM CDT	Severe Thunderstorm Warning	ARX	Grant	36 min
Sep 2, 4:14 PM CDT	Severe Thunderstorm Warning	ARX	Grant	31 min
Sep 2, 4:20 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	40 min
Sep 4, 5:20 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	40 min
Sep 4, 6:35 PM CDT	Severe Thunderstorm Warning	GRB	Marathon	40 min
Sep 4, 7:13 PM CDT	Severe Thunderstorm Warning	GRB	Marathon	32 min
Sep 4, 8:15 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon	45 min
Sep 4, 8:38 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	67 min
Sep 15, 1:44 AM CDT	Severe Thunderstorm Warning	DLH	Douglas	31 min
Sep 15, 3:01 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Douglas	44 min
Sep 17, 2:17 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	43 min
Sep 17, 4:19 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, La Crosse, Trempealeau	41 min
Sep 17, 5:59 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Juneau	46 min
Sep 17, 6:06 PM CDT	Severe Thunderstorm Warning	ARX	Jackson	24 min
Sep 17, 6:08 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	52 min
Sep 17, 6:51 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waupaca, Wood	31 min
Sep 17, 7:35 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Outagamie	40 min
Sep 17, 8:33 PM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	30 min
Sep 20, 7:04 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	56 min
Sep 20, 7:37 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire, Pepin, Saint Croix	38 min
Sep 20, 7:53 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	37 min
Sep 20, 8:08 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire	37 min
Sep 20, 8:53 PM CDT	Severe Thunderstorm Warning	ARX	Clark	40 min
Sep 20, 8:57 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	48 min
Sep 20, 9:42 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon	48 min
Sep 20, 10:09 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	51 min
Sep 20, 11:41 PM CDT	Severe Thunderstorm Warning	GRB	Oconto, Shawano	34 min
Sep 25, 3:29 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Fond du Lac, Green Lake	19 min
Oct 3, 2:49 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Sawyer	26 min
Oct 3, 3:03 PM CDT	Severe Thunderstorm Warning	DLH	Price	42 min
Oct 3, 3:15 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Sawyer	45 min
Oct 3, 3:21 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Oneida	39 min
Oct 3, 3:56 PM CDT	Severe Thunderstorm Warning	GRB	Oneida	49 min
Oct 3, 3:59 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	31 min
Oct 3, 5:37 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Saint Croix	53 min
Oct 3, 6:04 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pierce, Saint Croix	41 min
Oct 3, 6:44 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire, Pepin, Pierce	46 min
Oct 3, 6:56 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Marathon, Menominee, Shawano	14 min
Oct 3, 7:29 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto	19 min
Oct 9, 2:31 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	29 min
Oct 9, 2:46 PM CDT	Severe Thunderstorm Warning	ARX	Grant	39 min
Oct 9, 2:54 PM CDT	Severe Thunderstorm Warning	MKX	Iowa	31 min
Oct 9, 4:36 PM CDT	Severe Thunderstorm Warning	ARX	Crawford	39 min
Oct 9, 4:47 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	28 min
Oct 9, 5:07 PM CDT	Severe Thunderstorm Warning	MKX	Marquette	38 min
Oct 9, 5:12 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	48 min
Oct 9, 5:54 PM CDT	Severe Thunderstorm Warning	GRB	Waushara, Winnebago	51 min
Oct 9, 6:14 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge	46 min
Oct 9, 6:52 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac, Green Lake	38 min

By county

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

32 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2017 2019

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.