Alert archive / Iowa / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Iowa, 1990

285 severe thunderstorm warnings in 1990. 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 1990. Tap one for its archive.

Severe Thunderstorm Warnings: 285
Busiest month: June171 severe thunderstorm warnings
Busiest day: June 28, 199036 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
Mar 9, 11:09 PM CST	Severe Thunderstorm Warning	DVN	Jones	36 min
Mar 9, 11:34 PM CST	Severe Thunderstorm Warning	DMX	Warren	26 min
Mar 10, 12:04 AM CST	Severe Thunderstorm Warning	DMX	Warren	26 min
Mar 10, 12:17 AM CST	Severe Thunderstorm Warning	DVN	Muscatine	43 min
Mar 10, 1:02 AM CST	Severe Thunderstorm Warning	DVN	Scott	43 min
Mar 10, 7:45 AM CST	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	30 min
Mar 10, 8:31 AM CST	Severe Thunderstorm Warning	DVN	Muscatine, Scott	29 min
Mar 12, 8:55 PM CST	Severe Thunderstorm Warning	DMX	Madison, Polk	50 min
Mar 12, 11:17 PM CST	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	33 min
Mar 12, 11:28 PM CST	Severe Thunderstorm Warning	DMX	Lucas, Wayne	20 min
Mar 12, 11:53 PM CST	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas	52 min
Mar 13, 12:39 AM CST	Severe Thunderstorm Warning	DVN	Cedar	31 min
Mar 13, 1:02 AM CST	Severe Thunderstorm Warning	OAX	Mills	43 min
Mar 13, 1:36 AM CST	Severe Thunderstorm Warning	OAX	Pottawattamie	69 min
Mar 13, 2:24 AM CST	Severe Thunderstorm Warning	OAX	Harrison	51 min
Mar 13, 10:27 AM CST	Severe Thunderstorm Warning	OAX	Harrison	33 min
Mar 13, 12:38 PM CST	Severe Thunderstorm Warning	DMX	Wright	17 min
Mar 13, 1:33 PM CST	Severe Thunderstorm Warning	DMX	Poweshiek	27 min
Mar 13, 1:38 PM CST	Severe Thunderstorm Warning	OAX	Shelby	20 min
Mar 13, 1:40 PM CST	Severe Thunderstorm Warning	DVN	Clinton	20 min
Mar 13, 1:51 PM CST	Severe Thunderstorm Warning	DMX	Tama	39 min
Mar 13, 1:55 PM CST	Severe Thunderstorm Warning	DMX	Carroll	35 min
Mar 13, 1:58 PM CST	Severe Thunderstorm Warning	DVN	Clinton	32 min
Mar 13, 2:10 PM CST	Severe Thunderstorm Warning	DVN	Jones	50 min
Mar 13, 2:28 PM CST	Severe Thunderstorm Warning	DMX	Calhoun	42 min
Mar 13, 2:31 PM CST	Severe Thunderstorm Warning	DMX	Black Hawk	49 min
Mar 13, 3:24 PM CST	Severe Thunderstorm Warning	DMX	Davis	36 min
Mar 13, 3:45 PM CST	Severe Thunderstorm Warning	DVN	Scott	45 min
Mar 13, 3:55 PM CST	Severe Thunderstorm Warning	OAX	Montgomery, Page	30 min
Mar 13, 4:18 PM CST	Severe Thunderstorm Warning	DMX	Bremer	22 min
Mar 13, 4:18 PM CST	Severe Thunderstorm Warning	DMX	Chickasaw	47 min
Mar 13, 4:46 PM CST	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	44 min
Mar 13, 5:11 PM CST	Severe Thunderstorm Warning	DMX	Washington	49 min
Mar 13, 5:16 PM CST	Severe Thunderstorm Warning	DMX	Johnson	29 min
Mar 13, 6:09 PM CST	Severe Thunderstorm Warning	DMX	Boone, Dallas, Polk	46 min
Mar 13, 6:17 PM CST	Severe Thunderstorm Warning	DVN	Cedar	18 min
Mar 13, 7:40 PM CST	Severe Thunderstorm Warning	DMX	Hamilton	35 min
Mar 13, 10:23 PM CST	Severe Thunderstorm Warning	OAX	Harrison	52 min
Mar 13, 10:47 PM CST	Severe Thunderstorm Warning	FSD	Monona	18 min
Mar 13, 11:02 PM CST	Severe Thunderstorm Warning	DMX	Crawford	28 min
Mar 13, 11:44 PM CST	Severe Thunderstorm Warning	DMX	Buena Vista, Clay	31 min
Mar 14, 12:20 AM CST	Severe Thunderstorm Warning	DMX	Cass, Greene, Guthrie	25 min
Mar 14, 12:45 AM CST	Severe Thunderstorm Warning	DMX	Greene	35 min
Mar 14, 12:45 AM CST	Severe Thunderstorm Warning	DMX	Cass	35 min
Mar 14, 12:45 AM CST	Severe Thunderstorm Warning	DMX	Guthrie	40 min
Apr 23, 1:39 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	66 min
May 8, 9:54 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	36 min
May 9, 2:39 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	66 min
May 18, 8:28 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	47 min
May 18, 9:16 PM CDT	Severe Thunderstorm Warning	DMX	Greene	44 min
May 18, 10:06 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas	41 min
May 25, 12:33 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	57 min
Jun 1, 11:29 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	46 min
Jun 5, 12:39 AM CDT	Severe Thunderstorm Warning	FSD	Monona, Plymouth, Woodbury	66 min
Jun 5, 1:19 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	56 min
Jun 5, 1:45 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	30 min
Jun 5, 2:20 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	25 min
Jun 5, 3:21 AM CDT	Severe Thunderstorm Warning	DMX	Kossuth	39 min
Jun 5, 3:56 AM CDT	Severe Thunderstorm Warning	FSD	Osceola	49 min
Jun 5, 3:56 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	34 min
Jun 5, 4:13 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien	62 min
Jun 5, 4:24 AM CDT	Severe Thunderstorm Warning	DMX	Clay, Dickinson	36 min
Jun 5, 4:42 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien	63 min
Jun 5, 4:53 AM CDT	Severe Thunderstorm Warning	DMX	Buena Vista	37 min
Jun 5, 5:22 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas, Sac	53 min
Jun 5, 6:23 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	67 min
Jun 5, 6:27 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Webster	63 min
Jun 5, 7:13 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	62 min
Jun 5, 8:57 AM CDT	Severe Thunderstorm Warning	DMX	Hardin	43 min
Jun 5, 9:00 AM CDT	Severe Thunderstorm Warning	DMX	Franklin	25 min
Jun 5, 9:00 AM CDT	Severe Thunderstorm Warning	DMX	Butler	45 min
Jun 7, 11:45 AM CDT	Severe Thunderstorm Warning	DMX	Dallas	20 min
Jun 7, 11:54 AM CDT	Severe Thunderstorm Warning	DMX	Polk	18 min
Jun 7, 12:01 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Story	23 min
Jun 7, 5:40 PM CDT	Severe Thunderstorm Warning	DMX	Davis	25 min
Jun 8, 1:26 AM CDT	Severe Thunderstorm Warning	DMX	Poweshiek, Tama	24 min
Jun 8, 2:07 AM CDT	Severe Thunderstorm Warning	DMX	Iowa, Poweshiek	53 min
Jun 8, 2:33 AM CDT	Severe Thunderstorm Warning	DMX	Keokuk, Mahaska	42 min
Jun 8, 8:46 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	44 min
Jun 12, 4:02 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	22 min
Jun 12, 5:06 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	39 min
Jun 12, 5:18 PM CDT	Severe Thunderstorm Warning	DMX	Chickasaw	42 min
Jun 12, 5:18 PM CDT	Severe Thunderstorm Warning	DMX	Fayette	27 min
Jun 12, 6:06 PM CDT	Severe Thunderstorm Warning	DMX	Benton	19 min
Jun 12, 6:16 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Webster	44 min
Jun 12, 6:16 PM CDT	Severe Thunderstorm Warning	DVN	Clayton	44 min
Jun 12, 6:45 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	30 min
Jun 12, 7:16 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	13 min
Jun 12, 7:16 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	44 min
Jun 12, 7:26 PM CDT	Severe Thunderstorm Warning	DMX	Wright	44 min
Jun 12, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Mitchell	69 min
Jun 12, 8:10 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Cerro Gordo, Floyd, Franklin	35 min
Jun 12, 8:45 PM CDT	Severe Thunderstorm Warning	DMX	Chickasaw	60 min
Jun 12, 8:54 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	36 min
Jun 12, 9:49 PM CDT	Severe Thunderstorm Warning	DMX	Winneshiek	56 min
Jun 12, 9:49 PM CDT	Severe Thunderstorm Warning	DMX	Fayette	41 min
Jun 12, 9:57 PM CDT	Severe Thunderstorm Warning	DMX	Dickinson	28 min
Jun 12, 10:03 PM CDT	Severe Thunderstorm Warning	DMX	Howard	57 min
Jun 12, 10:03 PM CDT	Severe Thunderstorm Warning	DMX	Chickasaw	27 min
Jun 12, 10:20 PM CDT	Severe Thunderstorm Warning	DMX	Allamakee	40 min
Jun 12, 10:47 PM CDT	Severe Thunderstorm Warning	DMX	Winneshiek	43 min
Jun 13, 12:44 AM CDT	Severe Thunderstorm Warning	OAX	Harrison	46 min
Jun 13, 2:28 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Greene, Guthrie	32 min
Jun 13, 6:05 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	20 min
Jun 13, 6:05 PM CDT	Severe Thunderstorm Warning	OAX	Mills	40 min
Jun 13, 9:27 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	63 min
Jun 13, 9:47 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	58 min
Jun 13, 10:53 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	67 min
Jun 16, 6:13 AM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	62 min
Jun 16, 2:16 PM CDT	Severe Thunderstorm Warning	DMX	Davis, Jefferson, Van Buren	44 min
Jun 16, 4:51 PM CDT	Severe Thunderstorm Warning	DMX	Adair	39 min
Jun 16, 5:15 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Union	30 min
Jun 16, 5:49 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	26 min
Jun 16, 5:49 PM CDT	Severe Thunderstorm Warning	DMX	Madison	26 min
Jun 16, 6:16 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	29 min
Jun 16, 6:43 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	29 min
Jun 16, 7:32 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	28 min
Jun 16, 8:03 PM CDT	Severe Thunderstorm Warning	FSD	Osceola	27 min
Jun 16, 8:26 PM CDT	Severe Thunderstorm Warning	FSD	Monona, Woodbury	64 min
Jun 16, 9:08 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida	37 min
Jun 16, 9:33 PM CDT	Severe Thunderstorm Warning	DMX	Clay, Palo Alto, Pocahontas	42 min
Jun 16, 9:50 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth	40 min
Jun 16, 10:17 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	28 min
Jun 16, 10:30 PM CDT	Severe Thunderstorm Warning	DMX	Webster, Wright	45 min
Jun 16, 10:55 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	65 min
Jun 16, 11:11 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	49 min
Jun 16, 11:34 PM CDT	Severe Thunderstorm Warning	DMX	Jefferson, Van Buren	26 min
Jun 16, 11:47 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	28 min
Jun 18, 7:15 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	60 min
Jun 18, 7:40 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	65 min
Jun 18, 7:40 PM CDT	Severe Thunderstorm Warning	OAX	Mills	65 min
Jun 18, 8:56 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	34 min
Jun 18, 10:03 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	27 min
Jun 19, 3:11 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	64 min
Jun 19, 3:44 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	56 min
Jun 19, 4:11 AM CDT	Severe Thunderstorm Warning	FSD	Osceola	46 min
Jun 19, 4:22 AM CDT	Severe Thunderstorm Warning	DMX	Dickinson	28 min
Jun 19, 4:24 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	23 min
Jun 19, 4:39 AM CDT	Severe Thunderstorm Warning	DMX	Clay, Emmet	31 min
Jun 19, 5:35 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas	25 min
Jun 19, 6:30 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton	30 min
Jun 19, 6:55 AM CDT	Severe Thunderstorm Warning	DMX	Hardin, Story	25 min
Jun 19, 7:18 AM CDT	Severe Thunderstorm Warning	DMX	Marshall	27 min
Jun 19, 9:50 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Lucas, Monroe	55 min
Jun 19, 8:11 PM CDT	Severe Thunderstorm Warning	DMX	Jones	49 min
Jun 19, 8:11 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	49 min
Jun 19, 8:48 PM CDT	Severe Thunderstorm Warning	DMX	Winneshiek	42 min
Jun 19, 9:00 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Union	45 min
Jun 19, 9:12 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Ringgold	48 min
Jun 19, 9:13 PM CDT	Severe Thunderstorm Warning	DMX	Keokuk, Mahaska	62 min
Jun 19, 9:15 PM CDT	Severe Thunderstorm Warning	DMX	Allamakee	30 min
Jun 19, 10:14 PM CDT	Severe Thunderstorm Warning	DMX	Warren	46 min
Jun 19, 10:52 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	33 min
Jun 19, 11:06 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry	69 min
Jun 19, 11:31 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose	29 min
Jun 26, 5:02 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin	58 min
Jun 26, 5:51 PM CDT	Severe Thunderstorm Warning	DMX	Story	69 min
Jun 26, 7:15 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	30 min
Jun 26, 8:18 PM CDT	Severe Thunderstorm Warning	DMX	Adair	27 min
Jun 26, 8:48 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Union	27 min
Jun 26, 9:00 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	35 min
Jun 27, 2:22 PM CDT	Severe Thunderstorm Warning	DMX	Mitchell	53 min
Jun 27, 2:52 PM CDT	Severe Thunderstorm Warning	DMX	Floyd	68 min
Jun 27, 3:09 PM CDT	Severe Thunderstorm Warning	DMX	Johnson, Linn	36 min
Jun 27, 3:43 PM CDT	Severe Thunderstorm Warning	DMX	Johnson, Linn	32 min
Jun 27, 3:44 PM CDT	Severe Thunderstorm Warning	DMX	Bremer, Butler	61 min
Jun 27, 4:09 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	66 min
Jun 27, 5:08 PM CDT	Severe Thunderstorm Warning	DMX	Benton, Tama	52 min
Jun 27, 5:48 PM CDT	Severe Thunderstorm Warning	DMX	Benton	30 min
Jun 27, 6:12 PM CDT	Severe Thunderstorm Warning	DMX	Johnson, Linn	33 min
Jun 27, 6:59 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	36 min
Jun 27, 7:28 PM CDT	Severe Thunderstorm Warning	DVN	Louisa, Muscatine	62 min
Jun 27, 7:49 PM CDT	Severe Thunderstorm Warning	DVN	Scott	56 min
Jun 27, 9:34 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	56 min
Jun 27, 11:56 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	34 min
Jun 28, 12:30 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	30 min
Jun 28, 12:49 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth	41 min
Jun 28, 12:58 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola, Sioux	32 min
Jun 28, 1:12 AM CDT	Severe Thunderstorm Warning	DMX	Clay	63 min
Jun 28, 1:26 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	34 min
Jun 28, 1:37 AM CDT	Severe Thunderstorm Warning	DMX	Buena Vista	68 min
Jun 28, 1:37 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth	53 min
Jun 28, 1:53 AM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	67 min
Jun 28, 2:08 AM CDT	Severe Thunderstorm Warning	FSD	Ida	37 min
Jun 28, 2:11 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Sac	64 min
Jun 28, 2:11 AM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	64 min
Jun 28, 2:24 AM CDT	Severe Thunderstorm Warning	DMX	Humboldt	66 min
Jun 28, 2:36 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida	69 min
Jun 28, 2:36 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien	69 min
Jun 28, 2:52 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Webster	68 min
Jun 28, 2:58 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	32 min
Jun 28, 3:47 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien	58 min
Jun 28, 4:23 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Greene	52 min
Jun 28, 5:10 AM CDT	Severe Thunderstorm Warning	DMX	Dallas	35 min
Jun 28, 7:06 AM CDT	Severe Thunderstorm Warning	DMX	Monroe	32 min
Jun 28, 10:32 AM CDT	Severe Thunderstorm Warning	DMX	Emmet	43 min
Jun 28, 11:02 AM CDT	Severe Thunderstorm Warning	DMX	Kossuth	43 min
Jun 28, 11:40 AM CDT	Severe Thunderstorm Warning	DMX	Hancock, Winnebago	50 min
Jun 28, 11:43 AM CDT	Severe Thunderstorm Warning	DMX	Kossuth	32 min
Jun 28, 12:15 PM CDT	Severe Thunderstorm Warning	DMX	Wright	30 min
Jun 28, 12:24 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin	51 min
Jun 28, 1:09 PM CDT	Severe Thunderstorm Warning	DMX	Butler	51 min
Jun 28, 1:09 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	26 min
Jun 28, 1:26 PM CDT	Severe Thunderstorm Warning	DMX	Grundy	54 min
Jun 28, 1:42 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	48 min
Jun 28, 1:56 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Tama	30 min
Jun 28, 2:13 PM CDT	Severe Thunderstorm Warning	DMX	Benton	47 min
Jun 30, 8:24 AM CDT	Severe Thunderstorm Warning	DMX	Van Buren	36 min
Jun 30, 8:34 AM CDT	Severe Thunderstorm Warning	DVN	Lee	41 min
Jun 30, 9:14 AM CDT	Severe Thunderstorm Warning	DVN	Lee	31 min
Jun 30, 9:39 AM CDT	Severe Thunderstorm Warning	DMX	Van Buren	36 min
Jun 30, 9:53 AM CDT	Severe Thunderstorm Warning	DVN	Lee	52 min
Jun 30, 10:20 AM CDT	Severe Thunderstorm Warning	DMX	Van Buren	25 min
Jun 30, 1:30 PM CDT	Severe Thunderstorm Warning	DMX	Davis, Van Buren	45 min
Jun 30, 2:53 PM CDT	Severe Thunderstorm Warning	DMX	Warren	37 min
Jun 30, 3:08 PM CDT	Severe Thunderstorm Warning	DMX	Madison	37 min
Jun 30, 3:23 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas	37 min
Jun 30, 3:30 PM CDT	Severe Thunderstorm Warning	DMX	Warren	30 min
Jun 30, 4:01 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Union	44 min
Jun 30, 4:19 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Wayne	41 min
Jun 30, 4:36 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	54 min
Jun 30, 4:39 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	51 min
Jun 30, 4:42 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Union	48 min
Jul 4, 5:37 PM CDT	Severe Thunderstorm Warning	DMX	Adair	38 min
Jul 4, 6:15 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	45 min
Jul 4, 7:47 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	38 min
Jul 9, 6:57 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	48 min
Jul 9, 7:23 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose	52 min
Jul 9, 7:51 PM CDT	Severe Thunderstorm Warning	DMX	Davis, Van Buren	54 min
Jul 9, 8:14 PM CDT	Severe Thunderstorm Warning	DMX	Jefferson, Wapello	61 min
Jul 9, 9:22 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Louisa	53 min
Jul 18, 6:01 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	29 min
Jul 18, 6:26 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	34 min
Jul 18, 8:40 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	35 min
Jul 18, 9:16 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Sioux	29 min
Jul 18, 10:54 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	66 min
Jul 18, 12:12 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	33 min
Jul 18, 12:52 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	38 min
Jul 18, 4:29 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	31 min
Jul 18, 7:44 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	31 min
Jul 18, 9:31 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	29 min
Jul 25, 4:42 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery	63 min
Jul 25, 7:50 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	40 min
Aug 2, 6:02 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	58 min
Aug 2, 6:29 PM CDT	Severe Thunderstorm Warning	DMX	Worth	61 min
Aug 9, 10:11 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	34 min
Aug 9, 11:44 PM CDT	Severe Thunderstorm Warning	DMX	Story	31 min
Aug 10, 12:49 AM CDT	Severe Thunderstorm Warning	DMX	Boone	34 min
Aug 10, 12:49 AM CDT	Severe Thunderstorm Warning	DMX	Dallas	41 min
Aug 18, 8:39 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	21 min
Aug 18, 9:04 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Palo Alto	41 min
Aug 19, 4:46 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Polk, Story	29 min
Aug 19, 5:01 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	44 min
Aug 19, 5:53 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Wright	27 min
Aug 23, 8:52 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	48 min
Aug 23, 9:06 PM CDT	Severe Thunderstorm Warning	FSD	Monona	69 min
Aug 23, 11:06 PM CDT	Severe Thunderstorm Warning	DMX	Clay	39 min
Aug 24, 5:20 PM CDT	Severe Thunderstorm Warning	DMX	Jones	40 min
Aug 24, 5:20 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	40 min
Aug 24, 6:48 PM CDT	Severe Thunderstorm Warning	DMX	Davis	42 min
Aug 26, 6:35 AM CDT	Severe Thunderstorm Warning	DMX	Humboldt	18 min
Aug 26, 6:35 AM CDT	Severe Thunderstorm Warning	DMX	Wright	30 min
Aug 26, 7:04 AM CDT	Severe Thunderstorm Warning	DMX	Wright	31 min
Aug 26, 7:43 AM CDT	Severe Thunderstorm Warning	DMX	Allamakee	37 min
Aug 29, 12:04 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska	26 min
Aug 29, 12:20 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion	40 min
Aug 29, 12:26 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Louisa	34 min
Aug 29, 12:39 AM CDT	Severe Thunderstorm Warning	DMX	Wapello	51 min
Aug 29, 12:53 AM CDT	Severe Thunderstorm Warning	DMX	Jefferson	52 min
Aug 29, 1:11 AM CDT	Severe Thunderstorm Warning	DMX	Van Buren	49 min
Aug 29, 1:49 AM CDT	Severe Thunderstorm Warning	DVN	Lee	41 min
Aug 29, 2:31 AM CDT	Severe Thunderstorm Warning	DVN	Lee	44 min
Aug 29, 1:37 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	23 min
Aug 29, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Wapello	45 min
Aug 29, 5:13 PM CDT	Severe Thunderstorm Warning	DMX	Marion	47 min
Aug 29, 5:40 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Guthrie	50 min
Sep 7, 3:47 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	28 min
Sep 7, 4:05 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	40 min
Sep 7, 4:15 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	35 min
Sep 7, 5:01 PM CDT	Severe Thunderstorm Warning	DMX	Buena Vista, Clay	44 min
Sep 7, 5:39 PM CDT	Severe Thunderstorm Warning	DMX	Buena Vista	36 min
Sep 7, 6:17 PM CDT	Severe Thunderstorm Warning	DMX	Buena Vista, Calhoun, Pocahontas, Sac	43 min
Sep 8, 4:22 AM CDT	Severe Thunderstorm Warning	DMX	Decatur	53 min
Oct 17, 4:34 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	56 min
Oct 17, 4:34 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	56 min

By county

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

53 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 1989 1991

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.