Alert archive / Iowa / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Iowa, 1999

340 severe thunderstorm warnings in 1999. 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 1999. Tap one for its archive.

Severe Thunderstorm Warnings: 340
Busiest month: June107 severe thunderstorm warnings
Busiest day: May 16, 199954 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
Feb 11, 12:06 PM CST	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	34 min
Apr 2, 10:22 PM CST	Severe Thunderstorm Warning	ARX	Floyd	33 min
Apr 2, 10:55 PM CST	Severe Thunderstorm Warning	ARX	Chickasaw	45 min
Apr 3, 2:00 AM CST	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Linn	35 min
Apr 3, 3:12 PM CST	Severe Thunderstorm Warning	DVN	Iowa, Keokuk	48 min
Apr 5, 8:59 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones, Muscatine	61 min
Apr 8, 6:20 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery	50 min
Apr 8, 7:36 AM CDT	Severe Thunderstorm Warning	DMX	Adair	34 min
Apr 8, 7:47 AM CDT	Severe Thunderstorm Warning	DMX	Madison	33 min
Apr 8, 8:37 AM CDT	Severe Thunderstorm Warning	DMX	Warren	33 min
Apr 8, 9:41 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	49 min
Apr 8, 10:10 AM CDT	Severe Thunderstorm Warning	DVN	Keokuk	30 min
Apr 8, 10:23 AM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	32 min
Apr 8, 10:31 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	49 min
Apr 8, 11:03 AM CDT	Severe Thunderstorm Warning	OAX	Shelby	37 min
Apr 8, 11:27 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	33 min
Apr 8, 11:43 AM CDT	Severe Thunderstorm Warning	DMX	Adair	32 min
Apr 8, 12:02 PM CDT	Severe Thunderstorm Warning	DMX	Boone	33 min
Apr 8, 12:05 PM CDT	Severe Thunderstorm Warning	DMX	Greene	35 min
Apr 8, 12:14 PM CDT	Severe Thunderstorm Warning	FSD	Ida	31 min
Apr 8, 12:39 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	36 min
Apr 8, 12:48 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	47 min
Apr 8, 1:16 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Story	34 min
Apr 8, 1:48 PM CDT	Severe Thunderstorm Warning	DMX	Story	32 min
Apr 8, 2:10 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	50 min
Apr 8, 2:57 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin	33 min
Apr 8, 3:21 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	29 min
Apr 8, 3:26 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	34 min
Apr 8, 3:32 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Cass	48 min
Apr 10, 11:27 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	33 min
Apr 21, 3:17 PM CDT	Severe Thunderstorm Warning	FSD	Ida	28 min
Apr 21, 4:42 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	33 min
Apr 21, 11:12 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	48 min
May 11, 1:08 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	32 min
May 11, 3:42 PM CDT	Severe Thunderstorm Warning	DVN	Benton	33 min
May 16, 1:05 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	30 min
May 16, 3:52 AM CDT	Severe Thunderstorm Warning	DMX	Clarke	33 min
May 16, 4:09 AM CDT	Severe Thunderstorm Warning	DMX	Warren	36 min
May 16, 7:33 AM CDT	Severe Thunderstorm Warning	OAX	Monona	32 min
May 16, 7:51 AM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	24 min
May 16, 8:47 AM CDT	Severe Thunderstorm Warning	DMX	Greene	33 min
May 16, 9:19 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene	36 min
May 16, 9:20 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Ida	25 min
May 16, 9:24 AM CDT	Severe Thunderstorm Warning	DMX	Sac	41 min
May 16, 10:12 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Story	33 min
May 16, 10:28 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Webster	32 min
May 16, 10:47 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin	33 min
May 16, 10:58 AM CDT	Severe Thunderstorm Warning	DMX	Webster	32 min
May 16, 11:18 AM CDT	Severe Thunderstorm Warning	DMX	Hardin	32 min
May 16, 11:23 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	47 min
May 16, 12:00 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	45 min
May 16, 12:27 PM CDT	Severe Thunderstorm Warning	DMX	Butler	63 min
May 16, 12:40 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	65 min
May 16, 12:46 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	34 min
May 16, 12:55 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	60 min
May 16, 1:18 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	57 min
May 16, 1:28 PM CDT	Severe Thunderstorm Warning	DMX	Butler	32 min
May 16, 1:43 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	62 min
May 16, 1:53 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	62 min
May 16, 2:05 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	55 min
May 16, 2:14 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	66 min
May 16, 2:18 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	47 min
May 16, 2:36 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	44 min
May 16, 2:42 PM CDT	Severe Thunderstorm Warning	OAX	Mills	33 min
May 16, 2:56 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	49 min
May 16, 2:57 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	48 min
May 16, 3:19 PM CDT	Severe Thunderstorm Warning	OAX	Monona	36 min
May 16, 3:24 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	36 min
May 16, 3:38 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	47 min
May 16, 3:40 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	65 min
May 16, 3:49 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	26 min
May 16, 4:00 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	30 min
May 16, 4:16 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee	29 min
May 16, 4:33 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	32 min
May 16, 4:38 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy	32 min
May 16, 4:55 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	35 min
May 16, 5:05 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Woodbury	30 min
May 16, 5:41 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Osceola	34 min
May 16, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien	30 min
May 16, 5:45 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	35 min
May 16, 5:49 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	71 min
May 16, 5:52 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	68 min
May 16, 5:55 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	35 min
May 16, 6:00 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	45 min
May 16, 6:11 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	49 min
May 16, 6:13 PM CDT	Severe Thunderstorm Warning	DMX	Cass	32 min
May 16, 6:26 PM CDT	Severe Thunderstorm Warning	DMX	Butler	34 min
May 16, 6:37 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	48 min
May 16, 6:43 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	47 min
May 16, 7:00 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	90 min
May 16, 7:09 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jones	61 min
May 16, 7:25 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	95 min
May 16, 7:52 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	48 min
May 16, 7:53 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	22 min
May 16, 8:36 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall	49 min
May 16, 8:51 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	49 min
May 16, 10:34 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	46 min
May 16, 10:40 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Johnson, Washington	45 min
May 16, 10:40 PM CDT	Severe Thunderstorm Warning	DVN	Linn	45 min
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Lee, Louisa	63 min
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine	63 min
May 16, 11:04 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	31 min
May 16, 11:15 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	50 min
May 16, 11:28 PM CDT	Severe Thunderstorm Warning	DVN	Scott	47 min
May 22, 5:03 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	42 min
May 22, 5:32 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	28 min
May 22, 7:09 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	31 min
May 22, 7:15 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	35 min
May 27, 4:11 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
May 27, 5:57 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Pocahontas	33 min
May 27, 6:46 PM CDT	Severe Thunderstorm Warning	OAX	Monona	49 min
May 27, 7:14 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	46 min
Jun 4, 2:23 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	37 min
Jun 4, 3:00 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Plymouth	45 min
Jun 4, 5:46 AM CDT	Severe Thunderstorm Warning	DMX	Audubon	34 min
Jun 4, 7:37 AM CDT	Severe Thunderstorm Warning	OAX	Fremont	48 min
Jun 4, 9:05 AM CDT	Severe Thunderstorm Warning	DMX	Carroll	30 min
Jun 4, 9:22 AM CDT	Severe Thunderstorm Warning	DMX	Carroll	43 min
Jun 4, 11:50 AM CDT	Severe Thunderstorm Warning	DMX	Madison	35 min
Jun 4, 11:52 AM CDT	Severe Thunderstorm Warning	DMX	Tama	48 min
Jun 4, 11:57 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	63 min
Jun 4, 12:04 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Warren	46 min
Jun 4, 12:28 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	27 min
Jun 4, 12:38 PM CDT	Severe Thunderstorm Warning	DMX	Marion	32 min
Jun 4, 12:59 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	51 min
Jun 4, 1:27 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Monroe	48 min
Jun 4, 1:44 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose	46 min
Jun 4, 2:00 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	35 min
Jun 4, 2:07 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	48 min
Jun 4, 2:11 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	64 min
Jun 4, 2:11 PM CDT	Severe Thunderstorm Warning	DVN	Scott	64 min
Jun 4, 2:20 PM CDT	Severe Thunderstorm Warning	DMX	Davis	50 min
Jun 4, 2:27 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	48 min
Jun 5, 5:04 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	41 min
Jun 5, 5:30 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	30 min
Jun 5, 6:17 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	33 min
Jun 5, 6:21 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
Jun 5, 6:32 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, O'Brien, Osceola	48 min
Jun 5, 6:40 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	35 min
Jun 5, 6:49 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	41 min
Jun 5, 6:49 PM CDT	Severe Thunderstorm Warning	FSD	Clay	31 min
Jun 5, 7:08 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	32 min
Jun 5, 8:24 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	36 min
Jun 5, 9:24 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	36 min
Jun 6, 12:08 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson	32 min
Jun 6, 12:38 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk, Washington	32 min
Jun 6, 12:49 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	36 min
Jun 6, 1:08 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Scott	32 min
Jun 6, 1:22 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	33 min
Jun 6, 1:25 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	35 min
Jun 6, 1:45 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	50 min
Jun 6, 2:30 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	50 min
Jun 6, 2:30 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	50 min
Jun 6, 2:32 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	33 min
Jun 6, 2:46 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	49 min
Jun 6, 2:51 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	49 min
Jun 6, 3:09 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth	36 min
Jun 6, 3:19 PM CDT	Severe Thunderstorm Warning	DMX	Greene, Webster	31 min
Jun 6, 3:24 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	51 min
Jun 6, 3:36 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	34 min
Jun 6, 3:47 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	33 min
Jun 6, 3:58 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Wright	32 min
Jun 6, 3:58 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	32 min
Jun 6, 4:30 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin	30 min
Jun 6, 4:46 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	49 min
Jun 6, 4:51 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	59 min
Jun 6, 5:31 PM CDT	Severe Thunderstorm Warning	ARX	Howard	64 min
Jun 6, 5:45 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	35 min
Jun 6, 5:45 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	50 min
Jun 6, 5:52 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	33 min
Jun 6, 6:16 PM CDT	Severe Thunderstorm Warning	DMX	Greene	34 min
Jun 6, 6:42 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Wright	33 min
Jun 6, 7:31 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	34 min
Jun 6, 7:36 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	64 min
Jun 6, 7:49 PM CDT	Severe Thunderstorm Warning	DMX	Worth	36 min
Jun 6, 7:55 PM CDT	Severe Thunderstorm Warning	ARX	Howard	60 min
Jun 7, 11:43 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	62 min
Jun 7, 11:43 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	62 min
Jun 8, 1:22 PM CDT	Severe Thunderstorm Warning	FSD	Osceola	33 min
Jun 8, 2:27 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	33 min
Jun 8, 2:29 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Winnebago	51 min
Jun 8, 2:57 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson	63 min
Jun 8, 2:57 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	48 min
Jun 8, 4:03 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	62 min
Jun 8, 5:45 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	65 min
Jun 8, 5:50 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan	50 min
Jun 8, 6:28 PM CDT	Severe Thunderstorm Warning	DMX	Wright	32 min
Jun 9, 1:40 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	30 min
Jun 9, 2:09 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	31 min
Jun 9, 4:30 PM CDT	Severe Thunderstorm Warning	DMX	Cass	35 min
Jun 9, 5:08 PM CDT	Severe Thunderstorm Warning	OAX	Page	32 min
Jun 9, 5:29 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	31 min
Jun 9, 5:38 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	62 min
Jun 9, 6:01 PM CDT	Severe Thunderstorm Warning	OAX	Monona	64 min
Jun 9, 6:50 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	25 min
Jun 9, 6:53 PM CDT	Severe Thunderstorm Warning	FSD	Ida	52 min
Jun 9, 6:59 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	46 min
Jun 9, 7:12 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	48 min
Jun 9, 7:20 PM CDT	Severe Thunderstorm Warning	DMX	Polk	35 min
Jun 9, 7:38 PM CDT	Severe Thunderstorm Warning	DMX	Story	32 min
Jun 9, 7:41 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	64 min
Jun 10, 9:24 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Union	31 min
Jun 10, 9:32 AM CDT	Severe Thunderstorm Warning	DMX	Ringgold	33 min
Jun 10, 10:10 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Madison	35 min
Jun 10, 12:57 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	48 min
Jun 10, 1:17 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	33 min
Jun 10, 1:28 PM CDT	Severe Thunderstorm Warning	DVN	Benton	32 min
Jun 10, 1:39 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson	36 min
Jun 10, 1:52 PM CDT	Severe Thunderstorm Warning	DVN	Linn	33 min
Jun 10, 2:18 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	32 min
Jun 10, 2:58 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine, Scott	32 min
Jun 11, 4:43 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	62 min
Jun 11, 6:49 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	61 min
Jun 11, 9:00 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	60 min
Jun 12, 6:35 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	35 min
Jun 12, 6:51 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	34 min
Jun 26, 9:20 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	35 min
Jun 26, 9:56 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	19 min
Jun 27, 1:15 AM CDT	Severe Thunderstorm Warning	DMX	Webster	30 min
Jul 2, 8:07 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	33 min
Jul 2, 8:43 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux	47 min
Jul 2, 9:18 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	47 min
Jul 2, 10:04 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	46 min
Jul 2, 10:21 AM CDT	Severe Thunderstorm Warning	OAX	Monona	49 min
Jul 2, 11:41 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	49 min
Jul 2, 11:41 AM CDT	Severe Thunderstorm Warning	OAX	Shelby	49 min
Jul 2, 12:01 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	34 min
Jul 2, 12:22 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	33 min
Jul 2, 12:35 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	50 min
Jul 2, 12:37 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Guthrie	48 min
Jul 2, 12:45 PM CDT	Severe Thunderstorm Warning	DMX	Greene	50 min
Jul 2, 1:22 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	48 min
Jul 2, 1:25 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	50 min
Jul 2, 1:42 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	48 min
Jul 2, 2:28 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	47 min
Jul 2, 3:00 PM CDT	Severe Thunderstorm Warning	DMX	Adair	65 min
Jul 2, 3:10 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	35 min
Jul 2, 3:16 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	19 min
Jul 2, 3:23 PM CDT	Severe Thunderstorm Warning	DMX	Webster	47 min
Jul 2, 3:29 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison	36 min
Jul 2, 4:05 PM CDT	Severe Thunderstorm Warning	DMX	Madison	35 min
Jul 2, 4:43 PM CDT	Severe Thunderstorm Warning	DMX	Webster	32 min
Jul 2, 5:12 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	33 min
Jul 2, 5:21 PM CDT	Severe Thunderstorm Warning	DMX	Boone	34 min
Jul 2, 5:24 PM CDT	Severe Thunderstorm Warning	DMX	Webster	31 min
Jul 2, 5:38 PM CDT	Severe Thunderstorm Warning	DMX	Boone	47 min
Jul 2, 5:46 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	34 min
Jul 2, 5:57 PM CDT	Severe Thunderstorm Warning	DMX	Story	48 min
Jul 2, 7:10 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	50 min
Jul 2, 7:26 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	49 min
Jul 2, 11:58 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	47 min
Jul 3, 10:34 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	51 min
Jul 3, 11:49 AM CDT	Severe Thunderstorm Warning	OAX	Shelby	36 min
Jul 5, 7:49 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	31 min
Jul 8, 5:44 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Plymouth	51 min
Jul 8, 5:50 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	50 min
Jul 8, 6:29 PM CDT	Severe Thunderstorm Warning	FSD	Ida	46 min
Jul 8, 9:10 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	50 min
Jul 18, 5:47 PM CDT	Severe Thunderstorm Warning	DMX	Hancock	33 min
Jul 18, 8:01 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Franklin	34 min
Jul 19, 2:37 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	33 min
Jul 19, 2:54 AM CDT	Severe Thunderstorm Warning	FSD	Osceola	31 min
Jul 19, 3:16 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	34 min
Jul 19, 6:12 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	33 min
Jul 19, 7:15 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	50 min
Jul 19, 7:47 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	63 min
Jul 20, 4:38 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	67 min
Jul 20, 5:16 PM CDT	Severe Thunderstorm Warning	DMX	Bremer, Butler	34 min
Jul 20, 5:17 PM CDT	Severe Thunderstorm Warning	DVN	Linn	48 min
Jul 20, 5:59 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	61 min
Jul 20, 6:40 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	60 min
Jul 20, 7:52 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	63 min
Jul 21, 5:44 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	31 min
Jul 21, 6:22 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	33 min
Jul 21, 6:28 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	47 min
Jul 23, 2:10 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	35 min
Jul 23, 7:47 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	33 min
Jul 23, 3:34 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	31 min
Jul 23, 3:48 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine, Scott	47 min
Jul 23, 3:59 PM CDT	Severe Thunderstorm Warning	DVN	Henry	46 min
Jul 23, 4:12 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Lee	48 min
Jul 23, 5:04 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	46 min
Jul 23, 5:06 PM CDT	Severe Thunderstorm Warning	DVN	Lee	49 min
Jul 23, 6:28 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	47 min
Jul 23, 6:43 PM CDT	Severe Thunderstorm Warning	DVN	Louisa, Muscatine	47 min
Jul 23, 7:05 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine, Scott	50 min
Jul 27, 4:48 PM CDT	Severe Thunderstorm Warning	OAX	Mills	62 min
Jul 27, 5:49 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	61 min
Jul 27, 5:50 PM CDT	Severe Thunderstorm Warning	DMX	Adair	30 min
Jul 27, 11:22 PM CDT	Severe Thunderstorm Warning	DVN	Louisa, Muscatine	48 min
Jul 27, 11:40 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	60 min
Jul 27, 11:55 PM CDT	Severe Thunderstorm Warning	DVN	Scott	45 min
Jul 28, 4:50 AM CDT	Severe Thunderstorm Warning	DVN	Lee	50 min
Jul 30, 7:16 PM CDT	Severe Thunderstorm Warning	DMX	Worth	49 min
Jul 30, 7:35 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	20 min
Jul 30, 7:50 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	70 min
Jul 30, 8:33 PM CDT	Severe Thunderstorm Warning	OAX	Monona	32 min
Jul 30, 10:35 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	50 min
Jul 30, 11:00 PM CDT	Severe Thunderstorm Warning	OAX	Page	60 min
Jul 30, 11:44 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	36 min
Jul 31, 12:26 AM CDT	Severe Thunderstorm Warning	DMX	Story	34 min
Jul 31, 12:33 AM CDT	Severe Thunderstorm Warning	DMX	Polk	32 min
Aug 6, 10:49 PM CDT	Severe Thunderstorm Warning	OAX	Mills	61 min
Aug 7, 12:45 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery	50 min
Aug 7, 1:34 AM CDT	Severe Thunderstorm Warning	OAX	Mills	36 min
Aug 7, 1:38 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	52 min
Aug 9, 11:57 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	33 min
Aug 9, 8:42 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	63 min
Aug 9, 9:58 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	32 min
Aug 9, 10:10 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	35 min
Aug 9, 10:40 PM CDT	Severe Thunderstorm Warning	DMX	Butler	35 min
Aug 11, 10:23 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	32 min
Aug 12, 8:01 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	54 min
Aug 12, 8:35 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	40 min
Aug 12, 10:31 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	29 min
Aug 15, 10:09 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	31 min
Aug 15, 10:40 AM CDT	Severe Thunderstorm Warning	FSD	Osceola	30 min
Aug 23, 11:04 AM CDT	Severe Thunderstorm Warning	ARX	Fayette	61 min
Aug 23, 1:08 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	47 min
Aug 23, 1:37 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	63 min
Aug 23, 3:15 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	50 min
Aug 23, 3:49 PM CDT	Severe Thunderstorm Warning	DVN	Scott	46 min
Sep 7, 5:03 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	62 min
Sep 7, 5:35 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth	35 min
Sep 7, 5:41 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	64 min
Sep 7, 6:45 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	65 min
Sep 7, 6:50 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	35 min
Sep 7, 7:00 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	30 min
Sep 7, 7:10 PM CDT	Severe Thunderstorm Warning	DMX	Cass	50 min
Sep 7, 7:24 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	31 min
Sep 7, 7:33 PM CDT	Severe Thunderstorm Warning	DMX	Hancock	32 min
Sep 7, 7:45 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	35 min
Sep 7, 7:53 PM CDT	Severe Thunderstorm Warning	OAX	Page	17 min
Sep 7, 8:09 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	51 min
Sep 7, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	63 min
Sep 7, 8:42 PM CDT	Severe Thunderstorm Warning	DMX	Adams	48 min
Sep 7, 8:51 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	64 min
Sep 7, 9:37 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	33 min
Sep 7, 9:51 PM CDT	Severe Thunderstorm Warning	DMX	Boone	34 min
Sep 19, 4:07 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	33 min

By county

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

57 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 1998 2000

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.