Alert archive / Iowa / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Iowa, 1997

312 severe thunderstorm warnings in 1997. 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 1997. Tap one for its archive.

Severe Thunderstorm Warnings: 312
Busiest month: June128 severe thunderstorm warnings
Busiest day: June 21, 199741 severe thunderstorm warnings

Over time

By month

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 5, 1:54 PM CST	Severe Thunderstorm Warning	DVN	Lee	31 min
Apr 5, 2:03 PM CST	Severe Thunderstorm Warning	DVN	Des Moines	47 min
Apr 5, 2:23 PM CST	Severe Thunderstorm Warning	DVN	Louisa	42 min
Apr 5, 2:40 PM CST	Severe Thunderstorm Warning	DVN	Benton, Johnson, Linn	45 min
Apr 5, 2:56 PM CST	Severe Thunderstorm Warning	DVN	Muscatine, Scott	44 min
Apr 5, 2:56 PM CST	Severe Thunderstorm Warning	DVN	Cedar	44 min
Apr 5, 3:04 PM CST	Severe Thunderstorm Warning	DMX	Black Hawk	16 min
Apr 5, 3:13 PM CST	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	32 min
Apr 5, 3:13 PM CST	Severe Thunderstorm Warning	ARX	Fayette	32 min
Apr 5, 3:17 PM CST	Severe Thunderstorm Warning	DVN	Delaware, Jones	43 min
Apr 5, 3:17 PM CST	Severe Thunderstorm Warning	DVN	Buchanan	43 min
Apr 5, 3:20 PM CST	Severe Thunderstorm Warning	DMX	Bremer	15 min
Apr 5, 3:28 PM CST	Severe Thunderstorm Warning	DVN	Clinton	47 min
Apr 5, 3:48 PM CST	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	42 min
Apr 5, 4:03 PM CST	Severe Thunderstorm Warning	ARX	Winneshiek	32 min
Apr 5, 4:24 PM CST	Severe Thunderstorm Warning	ARX	Allamakee	61 min
Apr 5, 5:54 PM CST	Severe Thunderstorm Warning	OAX	Monona	31 min
Apr 5, 6:26 PM CST	Severe Thunderstorm Warning	DMX	Crawford	19 min
Apr 5, 6:56 PM CST	Severe Thunderstorm Warning	DMX	Sac	34 min
Apr 30, 10:26 AM CDT	Severe Thunderstorm Warning	DMX	Wayne	29 min
Apr 30, 11:45 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	30 min
Apr 30, 1:51 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	34 min
Apr 30, 2:26 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Jones	49 min
May 2, 4:24 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	31 min
May 2, 4:59 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	61 min
May 2, 7:00 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	30 min
May 2, 7:22 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	33 min
May 2, 8:11 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose	49 min
May 7, 10:14 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	16 min
May 7, 10:16 AM CDT	Severe Thunderstorm Warning	DMX	Palo Alto, Pocahontas	44 min
May 7, 10:25 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Ida	30 min
May 7, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	64 min
May 7, 3:18 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	32 min
May 7, 3:36 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	64 min
May 7, 3:48 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	17 min
May 7, 4:04 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	31 min
May 7, 4:16 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	64 min
May 7, 4:29 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	31 min
May 7, 4:47 PM CDT	Severe Thunderstorm Warning	DMX	Adams	33 min
May 7, 4:59 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	36 min
May 7, 5:41 PM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	34 min
May 7, 5:52 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	33 min
May 7, 5:58 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	62 min
May 16, 5:24 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	31 min
May 16, 5:32 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Polk	33 min
May 16, 5:38 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	32 min
May 16, 5:53 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	47 min
May 16, 6:02 PM CDT	Severe Thunderstorm Warning	DMX	Adair	33 min
May 16, 6:13 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	47 min
May 16, 6:27 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	63 min
May 16, 6:37 PM CDT	Severe Thunderstorm Warning	DMX	Union	48 min
May 16, 6:58 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Taylor	47 min
May 16, 7:23 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	47 min
May 16, 9:04 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson	46 min
May 18, 2:59 AM CDT	Severe Thunderstorm Warning	DMX	Adams	31 min
May 18, 3:10 PM CDT	Severe Thunderstorm Warning	DVN	Benton	50 min
May 18, 3:13 PM CDT	Severe Thunderstorm Warning	DMX	Tama	27 min
May 18, 3:35 PM CDT	Severe Thunderstorm Warning	DVN	Linn	50 min
May 18, 3:41 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	64 min
May 18, 3:41 PM CDT	Severe Thunderstorm Warning	DMX	Tama	34 min
May 18, 4:19 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	51 min
May 18, 4:36 PM CDT	Severe Thunderstorm Warning	DMX	Tama	19 min
May 18, 4:51 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	49 min
May 18, 5:08 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	47 min
May 18, 5:18 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones	47 min
May 18, 5:32 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson	63 min
May 18, 5:36 PM CDT	Severe Thunderstorm Warning	DVN	Linn	49 min
May 18, 5:36 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	49 min
May 18, 5:49 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	46 min
May 18, 5:53 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	47 min
May 18, 6:20 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	50 min
May 18, 7:24 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	51 min
May 18, 7:31 PM CDT	Severe Thunderstorm Warning	DVN	Scott	49 min
May 18, 8:21 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	49 min
May 18, 8:22 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Lee	48 min
Jun 5, 12:27 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	48 min
Jun 5, 1:14 PM CDT	Severe Thunderstorm Warning	DMX	Butler	31 min
Jun 5, 2:30 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	35 min
Jun 5, 2:38 PM CDT	Severe Thunderstorm Warning	ARX	Howard	62 min
Jun 5, 2:42 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	48 min
Jun 5, 3:04 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	46 min
Jun 5, 3:12 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	28 min
Jun 5, 3:40 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	35 min
Jun 5, 4:16 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	59 min
Jun 5, 4:21 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Franklin	29 min
Jun 5, 4:43 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	32 min
Jun 5, 5:36 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	29 min
Jun 5, 5:56 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	34 min
Jun 6, 3:17 PM CDT	Severe Thunderstorm Warning	DVN	Scott	63 min
Jun 11, 10:22 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	63 min
Jun 12, 4:22 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	48 min
Jun 15, 2:38 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	47 min
Jun 15, 3:02 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	48 min
Jun 15, 3:02 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	48 min
Jun 15, 3:49 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton, Fayette, Winneshiek	61 min
Jun 15, 4:51 PM CDT	Severe Thunderstorm Warning	ARX	Clayton, Fayette	69 min
Jun 15, 6:42 PM CDT	Severe Thunderstorm Warning	DMX	Tama	33 min
Jun 15, 6:47 PM CDT	Severe Thunderstorm Warning	DVN	Benton	63 min
Jun 15, 8:46 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	49 min
Jun 15, 9:03 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	47 min
Jun 15, 9:24 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Jones, Linn	31 min
Jun 15, 9:27 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	33 min
Jun 15, 9:31 PM CDT	Severe Thunderstorm Warning	DVN	Linn	49 min
Jun 15, 9:44 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jones	46 min
Jun 15, 9:53 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	47 min
Jun 15, 10:29 PM CDT	Severe Thunderstorm Warning	DVN	Jones	36 min
Jun 15, 10:34 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	61 min
Jun 15, 10:38 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	47 min
Jun 19, 8:37 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	53 min
Jun 19, 11:59 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	51 min
Jun 20, 12:48 AM CDT	Severe Thunderstorm Warning	DMX	Cass	32 min
Jun 20, 1:20 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	50 min
Jun 20, 2:51 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	29 min
Jun 20, 3:34 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee	31 min
Jun 20, 5:02 AM CDT	Severe Thunderstorm Warning	DMX	Webster	33 min
Jun 20, 5:17 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	33 min
Jun 20, 5:48 AM CDT	Severe Thunderstorm Warning	DMX	Franklin, Hardin	32 min
Jun 20, 5:54 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	31 min
Jun 20, 6:09 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	36 min
Jun 20, 6:29 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	36 min
Jun 20, 6:45 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	45 min
Jun 20, 7:25 AM CDT	Severe Thunderstorm Warning	DMX	Butler	35 min
Jun 20, 8:28 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola	32 min
Jun 20, 4:39 PM CDT	Severe Thunderstorm Warning	DMX	Warren	31 min
Jun 20, 8:54 PM CDT	Severe Thunderstorm Warning	OAX	Monona	51 min
Jun 20, 9:00 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	45 min
Jun 20, 9:38 PM CDT	Severe Thunderstorm Warning	FSD	Ida	47 min
Jun 20, 9:45 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	35 min
Jun 20, 10:14 PM CDT	Severe Thunderstorm Warning	DMX	Wright	31 min
Jun 20, 10:20 PM CDT	Severe Thunderstorm Warning	DMX	Webster	35 min
Jun 20, 10:27 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	33 min
Jun 20, 10:30 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	30 min
Jun 20, 10:34 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	31 min
Jun 20, 11:01 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	34 min
Jun 20, 11:02 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	33 min
Jun 20, 11:03 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	57 min
Jun 20, 11:08 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	62 min
Jun 20, 11:32 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	63 min
Jun 20, 11:33 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	32 min
Jun 20, 11:39 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	31 min
Jun 21, 12:04 AM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin	31 min
Jun 21, 12:10 AM CDT	Severe Thunderstorm Warning	ARX	Fayette	60 min
Jun 21, 12:21 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy	44 min
Jun 21, 1:04 AM CDT	Severe Thunderstorm Warning	DVN	Benton	61 min
Jun 21, 1:05 AM CDT	Severe Thunderstorm Warning	OAX	Mills	60 min
Jun 21, 1:07 AM CDT	Severe Thunderstorm Warning	ARX	Clayton, Fayette	63 min
Jun 21, 1:30 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Montgomery, Page	65 min
Jun 21, 1:41 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Cass	34 min
Jun 21, 2:05 AM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson	65 min
Jun 21, 2:10 AM CDT	Severe Thunderstorm Warning	ARX	Clayton	35 min
Jun 21, 2:20 AM CDT	Severe Thunderstorm Warning	DVN	Jackson	60 min
Jun 21, 2:39 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Warren	31 min
Jun 21, 2:51 AM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	34 min
Jun 21, 3:06 AM CDT	Severe Thunderstorm Warning	DMX	Lucas, Marion	29 min
Jun 21, 3:21 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Monroe	34 min
Jun 21, 3:53 AM CDT	Severe Thunderstorm Warning	DMX	Wapello	32 min
Jun 21, 3:58 AM CDT	Severe Thunderstorm Warning	DVN	Keokuk	62 min
Jun 21, 4:01 AM CDT	Severe Thunderstorm Warning	DVN	Washington	59 min
Jun 21, 4:10 AM CDT	Severe Thunderstorm Warning	DVN	Jefferson	65 min
Jun 21, 4:19 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Louisa	61 min
Jun 21, 4:46 AM CDT	Severe Thunderstorm Warning	DVN	Muscatine	64 min
Jun 21, 4:55 AM CDT	Severe Thunderstorm Warning	DVN	Cedar	45 min
Jun 21, 4:56 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines	49 min
Jun 21, 5:07 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	58 min
Jun 21, 5:22 AM CDT	Severe Thunderstorm Warning	DVN	Jackson	48 min
Jun 22, 4:54 PM CDT	Severe Thunderstorm Warning	DMX	Webster	31 min
Jun 22, 5:45 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	45 min
Jun 22, 6:43 PM CDT	Severe Thunderstorm Warning	DMX	Hancock	47 min
Jun 22, 8:34 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Wright	31 min
Jun 22, 9:03 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Winnebago	32 min
Jun 22, 9:05 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	35 min
Jun 22, 9:33 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	72 min
Jun 22, 9:34 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	31 min
Jun 22, 9:41 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	29 min
Jun 22, 9:45 PM CDT	Severe Thunderstorm Warning	DMX	Grundy	30 min
Jun 22, 9:58 PM CDT	Severe Thunderstorm Warning	DMX	Butler	47 min
Jun 22, 10:06 PM CDT	Severe Thunderstorm Warning	DMX	Hancock	34 min
Jun 22, 10:28 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	62 min
Jun 22, 11:17 PM CDT	Severe Thunderstorm Warning	ARX	Howard	33 min
Jun 22, 11:37 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	48 min
Jun 22, 11:57 PM CDT	Severe Thunderstorm Warning	DVN	Benton	63 min
Jun 24, 5:37 PM CDT	Severe Thunderstorm Warning	DMX	Sac	43 min
Jun 24, 8:30 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	30 min
Jun 24, 9:22 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	48 min
Jun 24, 9:39 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	46 min
Jun 24, 10:18 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	32 min
Jun 24, 10:27 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Story	33 min
Jun 24, 10:42 PM CDT	Severe Thunderstorm Warning	DMX	Madison	48 min
Jun 24, 10:50 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	40 min
Jun 24, 11:07 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	33 min
Jun 24, 11:11 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Union	34 min
Jun 24, 11:43 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	47 min
Jun 24, 11:51 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	34 min
Jun 29, 1:53 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	32 min
Jun 29, 4:01 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	44 min
Jun 29, 4:16 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	44 min
Jun 29, 4:16 PM CDT	Severe Thunderstorm Warning	OAX	Monona	44 min
Jun 29, 4:29 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	46 min
Jun 29, 4:38 PM CDT	Severe Thunderstorm Warning	DVN	Linn	62 min
Jun 29, 4:47 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	33 min
Jun 29, 4:58 PM CDT	Severe Thunderstorm Warning	OAX	Monona	47 min
Jun 29, 4:58 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	47 min
Jun 29, 6:38 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	62 min
Jul 1, 3:39 AM CDT	Severe Thunderstorm Warning	OAX	Fremont	46 min
Jul 1, 8:28 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Sioux	47 min
Jul 1, 8:56 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	64 min
Jul 1, 11:03 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	57 min
Jul 7, 5:40 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	30 min
Jul 7, 6:15 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	30 min
Jul 7, 6:47 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	33 min
Jul 7, 7:16 PM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien	49 min
Jul 7, 7:46 PM CDT	Severe Thunderstorm Warning	FSD	Clay	34 min
Jul 7, 8:05 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	30 min
Jul 7, 8:07 PM CDT	Severe Thunderstorm Warning	OAX	Monona	63 min
Jul 7, 8:15 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida	30 min
Jul 7, 9:27 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Sac	33 min
Jul 8, 1:00 AM CDT	Severe Thunderstorm Warning	ARX	Fayette, Winneshiek	30 min
Jul 8, 1:36 AM CDT	Severe Thunderstorm Warning	ARX	Fayette, Winneshiek	34 min
Jul 12, 8:19 PM CDT	Severe Thunderstorm Warning	OAX	Monona	46 min
Jul 13, 6:08 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	32 min
Jul 13, 8:21 AM CDT	Severe Thunderstorm Warning	DMX	Warren	19 min
Jul 13, 5:55 PM CDT	Severe Thunderstorm Warning	OAX	Mills	45 min
Jul 13, 9:27 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	63 min
Jul 17, 4:37 AM CDT	Severe Thunderstorm Warning	ARX	Floyd, Howard, Mitchell	48 min
Jul 18, 3:58 AM CDT	Severe Thunderstorm Warning	DVN	Jackson	47 min
Jul 18, 11:11 AM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	59 min
Jul 18, 11:20 AM CDT	Severe Thunderstorm Warning	ARX	Allamakee	60 min
Jul 18, 11:35 AM CDT	Severe Thunderstorm Warning	ARX	Clayton	60 min
Jul 19, 2:54 PM CDT	Severe Thunderstorm Warning	DVN	Scott	66 min
Jul 19, 3:51 PM CDT	Severe Thunderstorm Warning	DVN	Iowa	49 min
Jul 19, 3:54 PM CDT	Severe Thunderstorm Warning	DVN	Washington	46 min
Jul 19, 4:06 PM CDT	Severe Thunderstorm Warning	DVN	Henry	49 min
Jul 19, 4:55 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson	65 min
Jul 19, 5:07 PM CDT	Severe Thunderstorm Warning	DVN	Washington	48 min
Jul 19, 5:09 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	46 min
Jul 19, 5:24 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	51 min
Jul 19, 6:38 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion	32 min
Jul 20, 2:59 PM CDT	Severe Thunderstorm Warning	DMX	Polk	31 min
Jul 20, 4:50 PM CDT	Severe Thunderstorm Warning	DMX	Monroe	35 min
Jul 20, 10:18 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	62 min
Jul 20, 10:35 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	65 min
Jul 23, 4:56 AM CDT	Severe Thunderstorm Warning	OAX	Fremont	49 min
Jul 23, 5:17 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	33 min
Jul 23, 5:24 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	31 min
Jul 23, 8:01 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	34 min
Jul 23, 8:02 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	33 min
Jul 23, 8:07 AM CDT	Severe Thunderstorm Warning	OAX	Shelby	63 min
Jul 26, 12:38 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	67 min
Jul 27, 10:56 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	44 min
Jul 27, 11:21 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	49 min
Jul 27, 11:53 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee	47 min
Jul 27, 12:16 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
Jul 27, 1:38 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	32 min
Jul 27, 1:41 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	34 min
Jul 27, 3:23 PM CDT	Severe Thunderstorm Warning	DVN	Iowa	62 min
Jul 27, 3:36 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	49 min
Jul 27, 3:43 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	62 min
Aug 3, 2:02 PM CDT	Severe Thunderstorm Warning	DVN	Jones	63 min
Aug 3, 2:30 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	65 min
Aug 3, 2:50 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	50 min
Aug 3, 2:53 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	62 min
Aug 3, 3:20 PM CDT	Severe Thunderstorm Warning	DVN	Benton	65 min
Aug 3, 3:38 PM CDT	Severe Thunderstorm Warning	DVN	Scott	47 min
Aug 3, 4:47 PM CDT	Severe Thunderstorm Warning	DVN	Scott	48 min
Aug 3, 7:08 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	52 min
Aug 3, 8:15 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	65 min
Aug 3, 8:51 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	49 min
Aug 3, 9:50 PM CDT	Severe Thunderstorm Warning	DVN	Henry	50 min
Aug 14, 9:31 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	44 min
Aug 14, 11:00 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	35 min
Aug 14, 11:58 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Greene	47 min
Aug 15, 12:23 AM CDT	Severe Thunderstorm Warning	DMX	Boone	27 min
Aug 15, 12:49 AM CDT	Severe Thunderstorm Warning	DMX	Polk, Story	31 min
Aug 15, 12:59 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Story	36 min
Aug 15, 5:42 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson	48 min
Aug 15, 11:51 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	34 min
Aug 16, 5:05 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	60 min
Aug 16, 5:14 PM CDT	Severe Thunderstorm Warning	DVN	Jones	46 min
Aug 16, 8:34 PM CDT	Severe Thunderstorm Warning	DMX	Monroe	36 min
Aug 16, 8:51 PM CDT	Severe Thunderstorm Warning	DMX	Marion	34 min
Aug 16, 8:58 PM CDT	Severe Thunderstorm Warning	DMX	Polk	32 min
Aug 16, 9:18 PM CDT	Severe Thunderstorm Warning	OAX	Page	32 min
Aug 23, 8:40 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	35 min
Aug 23, 9:13 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	32 min
Aug 23, 9:21 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Winneshiek	64 min
Aug 23, 10:11 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	49 min
Aug 23, 10:27 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	33 min
Aug 23, 10:36 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy	34 min
Aug 23, 10:57 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	33 min
Aug 23, 11:03 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	47 min
Aug 23, 11:07 PM CDT	Severe Thunderstorm Warning	DMX	Tama	33 min
Aug 23, 11:25 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	50 min
Aug 24, 10:05 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	35 min
Aug 24, 10:38 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	32 min
Aug 24, 10:46 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	34 min
Aug 24, 11:22 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	18 min
Aug 24, 11:47 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	18 min
Aug 26, 10:02 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska	33 min
Aug 30, 7:13 PM CDT	Severe Thunderstorm Warning	DVN	Jones	62 min
Sep 2, 12:31 AM CDT	Severe Thunderstorm Warning	OAX	Mills	49 min
Sep 2, 12:46 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	49 min
Sep 8, 2:29 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	31 min
Sep 16, 5:38 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Linn	62 min
Sep 16, 5:56 PM CDT	Severe Thunderstorm Warning	DVN	Linn	34 min
Sep 16, 6:01 PM CDT	Severe Thunderstorm Warning	DVN	Jones	64 min
Sep 16, 7:11 PM CDT	Severe Thunderstorm Warning	DVN	Henry	49 min
Sep 16, 7:21 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	49 min
Sep 18, 11:32 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	33 min
Sep 19, 10:50 AM CDT	Severe Thunderstorm Warning	DVN	Linn	60 min
Oct 8, 5:32 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	63 min
Oct 8, 6:07 PM CDT	Severe Thunderstorm Warning	DMX	Cass	33 min
Oct 8, 9:50 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	35 min

By county

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

51 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 1996 1998

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. Rebuilt daily.