Alert archive / Iowa / Mesoscale Discussions

Mesoscale Discussions in Iowa, 2005

253 mesoscale discussions in 2005. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2005. Tap one for its archive.

Mesoscale Discussions: 253
Busiest month: June55 mesoscale discussions
Busiest day: June 5, 20058 mesoscale discussions

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
Jan 1, 6:48 AM CST	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 29 more	4 hr
Jan 1, 12:32 PM CST	Mesoscale Discussion	SPC	Allamakee, Buena Vista, Cerro Gordo, Chickasaw, Clay, Dickinson and 18 more	5 hr
Jan 1, 12:45 PM CST	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 26 more	4 hr
Jan 1, 6:21 PM CST	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 17 more	6 hr
Jan 2, 7:02 PM CST	Mesoscale Discussion	SPC	Appanoose, Clarke, Davis, Decatur, Fremont, Jefferson and 9 more	4 hr
Jan 3, 6:41 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Cass and 44 more	4 hr
Jan 3, 11:53 AM CST	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 3 more	5 hr
Jan 4, 12:02 PM CST	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Lee, Van Buren, Wayne	5 hr
Jan 4, 12:04 PM CST	Mesoscale Discussion	SPC	Adair, Audubon, Calhoun, Carroll, Cass, Cherokee and 15 more	6 hr
Jan 4, 7:02 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Benton, Cass, Cedar and 39 more	6 hr
Jan 5, 12:01 AM CST	Mesoscale Discussion	SPC	Appanoose, Davis, Henry, Jefferson, Lee, Monroe and 3 more	4 hr
Jan 5, 7:15 AM CST	Mesoscale Discussion	SPC	Lee	5 hr
Jan 5, 11:44 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 66 more	6 hr
Jan 5, 6:11 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 92 more	6 hr
Jan 5, 11:57 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 80 more	6 hr
Jan 11, 12:57 AM CST	Mesoscale Discussion	SPC	Clinton, Scott	4 hr
Jan 12, 7:06 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more	5 hr
Jan 12, 10:42 AM CST	Mesoscale Discussion	SPC	Appanoose, Clarke, Decatur, Lucas, Monroe, Ringgold and 2 more	63 min
Jan 12, 12:29 PM CST	Mesoscale Discussion	SPC	Clarke, Decatur, Jasper, Lucas, Marion, Marshall and 3 more	4 hr
Jan 13, 6:51 AM CST	Mesoscale Discussion	SPC	Lee	4 hr
Jan 21, 12:59 PM CST	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 22 more	5 hr
Jan 21, 6:44 PM CST	Mesoscale Discussion	SPC	Allamakee, Clayton, Dubuque, Winneshiek	5 hr
Jan 21, 10:50 PM CST	Mesoscale Discussion	SPC	Allamakee, Cerro Gordo, Chickasaw, Emmet, Floyd, Howard and 5 more	6 hr
Feb 6, 12:07 PM CST	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cerro Gordo, Crawford and 22 more	4 hr
Feb 6, 7:01 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Dallas, Fremont and 7 more	5 hr
Feb 6, 11:21 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Benton, Black Hawk, Buchanan, Clarke and 25 more	4 hr
Feb 8, 6:52 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 48 more	4 hr
Mar 6, 5:08 PM CST	Mesoscale Discussion	SPC	Fremont	2 hr
Mar 6, 8:26 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Benton, Black Hawk, Boone and 41 more	2 hr
Mar 17, 7:57 PM CST	Mesoscale Discussion	SPC	Allamakee, Chickasaw, Clayton, Dickinson, Emmet, Howard and 4 more	5 hr
Mar 18, 6:18 AM CST	Mesoscale Discussion	SPC	Clay, Dickinson, Emmet, Howard, Kossuth, Lyon and 7 more	4 hr
Mar 18, 11:33 AM CST	Mesoscale Discussion	SPC	Lyon	4 hr
Mar 30, 6:03 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 32 more	117 min
Mar 30, 10:46 AM CST	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 29 more	119 min
Mar 30, 10:50 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 29 more	85 min
Mar 30, 1:14 PM CST	Mesoscale Discussion	SPC	Boone, Butler, Cerro Gordo, Floyd, Franklin, Hamilton and 7 more	61 min
Mar 30, 1:23 PM CST	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 25 more	97 min
Mar 30, 2:00 PM CST	Mesoscale Discussion	SPC	Boone, Butler, Cerro Gordo, Floyd, Franklin, Hamilton and 7 more	30 min
Mar 30, 3:54 PM CST	Mesoscale Discussion	SPC	Allamakee, Clayton, Clinton, Dubuque, Jackson, Winneshiek	66 min
Apr 6, 2:31 PM CDT	Mesoscale Discussion	SPC	Allamakee, Clayton, Fayette, Howard, Winneshiek	2 hr
Apr 9, 9:35 PM CDT	Mesoscale Discussion	SPC	Lyon, Sioux	115 min
Apr 10, 2:57 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 66 more	2 hr
Apr 10, 7:49 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 36 more	56 min
Apr 11, 10:55 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 18 more	95 min
Apr 11, 5:01 PM CDT	Mesoscale Discussion	SPC	Audubon, Carroll, Cass, Crawford, Fremont, Greene and 8 more	59 min
Apr 16, 6:07 PM CDT	Mesoscale Discussion	SPC	Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more	113 min
Apr 17, 4:40 PM CDT	Mesoscale Discussion	SPC	Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 5 more	2 hr
Apr 18, 6:26 PM CDT	Mesoscale Discussion	SPC	Cherokee, Crawford, Fremont, Harrison, Ida, Lyon and 9 more	2 hr
Apr 18, 8:27 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Dallas, Fremont and 7 more	63 min
Apr 18, 11:22 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Fremont, Guthrie and 6 more	83 min
Apr 19, 1:45 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 17 more	30 min
Apr 19, 10:48 AM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 27 more	57 min
Apr 19, 7:38 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Boone, Calhoun, Carroll, Cass and 27 more	2 hr
Apr 20, 1:14 AM CDT	Mesoscale Discussion	SPC	Harrison, Monona, Woodbury	2 hr
Apr 20, 1:18 AM CDT	Mesoscale Discussion	SPC	Harrison, Monona, Woodbury	117 min
Apr 20, 7:03 PM CDT	Mesoscale Discussion	SPC	Des Moines, Henry, Lee, Louisa, Muscatine, Scott	87 min
Apr 21, 3:34 AM CDT	Mesoscale Discussion	SPC	Adams, Fremont, Mills, Montgomery, Page, Pottawattamie and 2 more	116 min
Apr 21, 3:05 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills	85 min
Apr 21, 5:52 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	53 min
Apr 21, 6:51 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	84 min
Apr 21, 9:50 PM CDT	Mesoscale Discussion	SPC	Adams	55 min
May 6, 6:24 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Humboldt and 7 more	2 hr
May 6, 7:54 PM CDT	Mesoscale Discussion	SPC	Jackson	2 hr
May 6, 11:36 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Bremer, Buena Vista, Butler, Cerro Gordo, Chickasaw and 23 more	54 min
May 7, 5:02 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 28 more	118 min
May 7, 7:34 PM CDT	Mesoscale Discussion	SPC	Cherokee, Ida, Lyon, Monona, O'Brien, Osceola and 3 more	116 min
May 7, 11:07 PM CDT	Mesoscale Discussion	SPC	Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux	83 min
May 8, 1:10 PM CDT	Mesoscale Discussion	SPC	Lyon, Sioux	3 hr
May 8, 3:05 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 28 more	85 min
May 8, 5:27 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more	63 min
May 8, 7:14 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Crawford, Dickinson and 16 more	2 hr
May 10, 5:01 PM CDT	Mesoscale Discussion	SPC	Harrison, Mills, Pottawattamie	119 min
May 10, 7:30 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 26 more	2 hr
May 10, 9:14 PM CDT	Mesoscale Discussion	SPC	Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 33 more	2 hr
May 10, 9:54 PM CDT	Mesoscale Discussion	SPC	Allamakee, Cerro Gordo, Chickasaw, Clay, Clayton, Dickinson and 15 more	2 hr
May 10, 11:35 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Benton, Black Hawk, Boone, Bremer and 35 more	85 min
May 11, 3:11 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Johnson, Louisa, Muscatine, Scott and 1 more	2 hr
May 11, 8:41 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Henry, Jefferson, Lee, Van Buren and 1 more	2 hr
May 12, 3:44 AM CDT	Mesoscale Discussion	SPC	Fremont	61 min
May 12, 12:40 PM CDT	Mesoscale Discussion	SPC	Fremont, Page	95 min
May 12, 3:48 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 27 more	87 min
May 18, 12:58 AM CDT	Mesoscale Discussion	SPC	Harrison, Monona, Woodbury	62 min
May 18, 12:22 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cerro Gordo, Clay, Dickinson, Emmet, Hancock and 11 more	2 hr
May 18, 6:50 PM CDT	Mesoscale Discussion	SPC	Emmet	55 min
May 19, 12:41 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Dubuque, Jackson, Johnson and 4 more	2 hr
May 19, 3:50 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Jackson, Johnson and 7 more	85 min
May 19, 6:30 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Jackson, Johnson and 7 more	90 min
May 21, 7:26 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Fremont, Harrison and 10 more	94 min
May 21, 8:28 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 16 more	2 hr
May 22, 12:56 AM CDT	Mesoscale Discussion	SPC	Adams, Appanoose, Clarke, Decatur, Lucas, Madison and 6 more	64 min
May 26, 1:22 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 27 more	113 min
May 26, 5:07 PM CDT	Mesoscale Discussion	SPC	Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 35 more	83 min
May 27, 2:27 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 21 more	2 hr
May 27, 2:34 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 28 more	116 min
Jun 3, 2:13 AM CDT	Mesoscale Discussion	SPC	Fremont	92 min
Jun 4, 10:37 AM CDT	Mesoscale Discussion	SPC	Clinton	113 min
Jun 4, 2:23 PM CDT	Mesoscale Discussion	SPC	Allamakee	2 hr
Jun 4, 4:03 PM CDT	Mesoscale Discussion	SPC	Lee	87 min
Jun 4, 5:29 PM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Decatur, Fremont, Lucas, Monroe and 5 more	91 min
Jun 4, 5:45 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 41 more	2 hr
Jun 4, 7:55 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 24 more	2 hr
Jun 4, 9:18 PM CDT	Mesoscale Discussion	SPC	Appanoose, Decatur, Fremont, Lucas, Monroe, Page and 3 more	87 min
Jun 4, 10:00 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 28 more	90 min
Jun 4, 10:23 PM CDT	Mesoscale Discussion	SPC	Appanoose, Decatur, Monroe, Page, Ringgold, Taylor and 1 more	52 min
Jun 5, 12:55 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 22 more	95 min
Jun 5, 12:19 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 14 more	86 min
Jun 5, 3:21 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 4 more	84 min
Jun 5, 6:07 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Chickasaw, Clayton, Fayette, Howard and 2 more	53 min
Jun 6, 5:04 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 25 more	86 min
Jun 7, 9:54 AM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 6 more	2 hr
Jun 8, 8:55 AM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Davis, Decatur, Lucas, Ringgold and 1 more	65 min
Jun 8, 9:47 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 11 more	28 min
Jun 8, 11:46 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 4 more	29 min
Jun 8, 8:02 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Fremont, Mills, Montgomery, Page and 3 more	58 min
Jun 9, 3:58 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more	2 hr
Jun 9, 7:42 PM CDT	Mesoscale Discussion	SPC	Cass, Crawford, Fremont, Harrison, Ida, Mills and 5 more	93 min
Jun 10, 12:34 AM CDT	Mesoscale Discussion	SPC	Audubon, Calhoun, Carroll, Greene, Guthrie, Hancock and 6 more	26 min
Jun 11, 12:39 PM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 7 more	2 hr
Jun 12, 12:54 PM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Cedar, Clinton, Davis, Delaware and 20 more	96 min
Jun 12, 6:13 PM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Lucas, Monroe, Wayne	2 hr
Jun 13, 4:13 AM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 40 more	2 hr
Jun 13, 1:56 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Bremer, Buena Vista and 59 more	94 min
Jun 13, 5:42 PM CDT	Mesoscale Discussion	SPC	Lyon, Osceola	93 min
Jun 13, 7:42 PM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 42 more	93 min
Jun 13, 10:29 PM CDT	Mesoscale Discussion	SPC	Benton, Cedar, Clinton, Delaware, Dubuque, Henry and 12 more	61 min
Jun 20, 6:38 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 26 more	97 min
Jun 20, 10:00 PM CDT	Mesoscale Discussion	SPC	Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more	60 min
Jun 22, 4:34 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 37 more	116 min
Jun 23, 11:42 PM CDT	Mesoscale Discussion	SPC	Cherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 2 more	63 min
Jun 24, 2:19 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 66 more	86 min
Jun 24, 5:22 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 47 more	23 min
Jun 24, 8:42 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 74 more	33 min
Jun 25, 12:04 AM CDT	Mesoscale Discussion	SPC	Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 40 more	86 min
Jun 25, 2:08 AM CDT	Mesoscale Discussion	SPC	Carroll, Crawford, Harrison, Ida, Monona, Sac and 1 more	67 min
Jun 25, 3:23 AM CDT	Mesoscale Discussion	SPC	Boone, Calhoun, Carroll, Crawford, Greene, Grundy and 9 more	37 min
Jun 25, 3:35 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Benton, Black Hawk, Boone, Bremer and 29 more	115 min
Jun 25, 6:13 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 26 more	3 hr
Jun 25, 11:37 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 19 more	83 min
Jun 27, 12:53 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 33 more	2 hr
Jun 27, 3:37 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 60 more	83 min
Jun 27, 6:02 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 56 more	118 min
Jun 27, 8:16 PM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Cass, Crawford, Fremont, Harrison and 7 more	119 min
Jun 27, 11:37 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Carroll, Cass and 24 more	83 min
Jun 28, 2:57 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Fremont, Harrison and 9 more	93 min
Jun 29, 6:50 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Dallas, Fremont and 8 more	85 min
Jun 29, 8:59 PM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 29 more	91 min
Jun 29, 9:23 PM CDT	Mesoscale Discussion	SPC	Emmet, Kossuth, Winnebago	2 hr
Jun 29, 10:28 PM CDT	Mesoscale Discussion	SPC	Cass, Fremont, Montgomery, Page, Taylor	62 min
Jun 30, 12:46 PM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Fremont, Lee, Page and 4 more	119 min
Jul 3, 3:27 AM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Lyon, Mitchell, Osceola, Winnebago and 1 more	33 min
Jul 3, 6:39 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay, Dickinson and 13 more	66 min
Jul 3, 8:09 AM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 11 more	66 min
Jul 3, 1:25 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 28 more	3 hr
Jul 3, 6:02 PM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Boone, Bremer, Buchanan, Butler and 15 more	118 min
Jul 4, 2:53 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Buchanan, Cedar, Clayton and 13 more	97 min
Jul 11, 3:58 PM CDT	Mesoscale Discussion	SPC	Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more	92 min
Jul 17, 5:18 PM CDT	Mesoscale Discussion	SPC	Harrison, Ida, Mills, Monona, Pottawattamie, Woodbury	117 min
Jul 17, 9:20 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Boone, Calhoun, Carroll, Cass and 26 more	115 min
Jul 19, 11:18 PM CDT	Mesoscale Discussion	SPC	Lyon, Sioux	87 min
Jul 20, 3:23 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Buena Vista and 35 more	2 hr
Jul 20, 5:55 AM CDT	Mesoscale Discussion	SPC	Allamakee, Audubon, Benton, Black Hawk, Boone, Bremer and 37 more	95 min
Jul 20, 11:26 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 26 more	94 min
Jul 21, 1:17 AM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Benton, Black Hawk, Boone, Bremer and 43 more	58 min
Jul 21, 5:28 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Bremer, Buchanan, Cedar, Chickasaw and 19 more	92 min
Jul 21, 6:27 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 8 more	2 hr
Jul 24, 10:33 AM CDT	Mesoscale Discussion	SPC	Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee, Chickasaw and 23 more	117 min
Jul 24, 4:10 PM CDT	Mesoscale Discussion	SPC	Audubon, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 36 more	95 min
Jul 24, 6:26 PM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 5 more	64 min
Jul 24, 8:26 PM CDT	Mesoscale Discussion	SPC	Boone, Buena Vista, Butler, Calhoun, Carroll, Cerro Gordo and 19 more	94 min
Jul 24, 11:11 PM CDT	Mesoscale Discussion	SPC	Dubuque	64 min
Jul 24, 11:45 PM CDT	Mesoscale Discussion	SPC	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	60 min
Jul 25, 1:31 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 7 more	89 min
Jul 25, 1:55 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Bremer, Buena Vista, Butler, Calhoun, Cerro Gordo and 32 more	2 hr
Jul 25, 4:53 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 20 more	67 min
Jul 25, 6:56 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 18 more	94 min
Jul 25, 7:10 PM CDT	Mesoscale Discussion	SPC	Audubon, Carroll, Greene, Mills, Pottawattamie, Shelby and 1 more	65 min
Jul 25, 9:09 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Buchanan, Clayton, Delaware, Dubuque and 1 more	2 hr
Jul 25, 9:20 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Boone, Cass, Dallas, Fremont and 6 more	55 min
Jul 29, 2:36 AM CDT	Mesoscale Discussion	SPC	Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more	84 min
Aug 3, 3:16 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 24 more	89 min
Aug 3, 10:02 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 7 more	88 min
Aug 4, 10:45 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 24 more	60 min
Aug 9, 11:25 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 9 more	95 min
Aug 9, 5:26 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Buena Vista, Butler, Calhoun, Cerro Gordo and 16 more	94 min
Aug 10, 3:21 PM CDT	Mesoscale Discussion	SPC	Audubon, Cass, Crawford, Fremont, Harrison, Ida and 8 more	84 min
Aug 10, 7:07 PM CDT	Mesoscale Discussion	SPC	Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 3 more	53 min
Aug 11, 3:12 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Clarke, Dallas and 16 more	2 hr
Aug 11, 7:42 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Benton, Boone, Buchanan and 43 more	93 min
Aug 11, 10:42 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 3 more	93 min
Aug 18, 2:09 PM CDT	Mesoscale Discussion	SPC	Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 5 more	96 min
Aug 19, 1:50 PM CDT	Mesoscale Discussion	SPC	Clarke, Decatur, Page, Ringgold, Taylor, Union and 1 more	115 min
Aug 19, 3:30 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Crawford and 17 more	2 hr
Aug 20, 4:26 PM CDT	Mesoscale Discussion	SPC	Audubon, Carroll, Crawford, Harrison, Monona, Pottawattamie and 1 more	94 min
Aug 21, 2:18 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Clarke and 17 more	117 min
Aug 27, 3:52 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills	113 min
Aug 28, 3:21 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Cass, Fremont, Mills, Montgomery and 5 more	84 min
Aug 28, 5:09 PM CDT	Mesoscale Discussion	SPC	Adams, Cass, Fremont, Mills, Montgomery, Page and 4 more	96 min
Aug 31, 3:43 PM CDT	Mesoscale Discussion	SPC	Adair, Appanoose, Clarke, Dallas, Davis, Decatur and 18 more	2 hr
Sep 3, 9:21 PM CDT	Mesoscale Discussion	SPC	Allamakee, Winneshiek	114 min
Sep 3, 11:18 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clay and 16 more	87 min
Sep 4, 2:12 AM CDT	Mesoscale Discussion	SPC	Allamakee, Winneshiek	2 hr
Sep 5, 11:18 PM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Lyon, O'Brien, Osceola, Sioux	87 min
Sep 6, 2:52 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 21 more	83 min
Sep 6, 11:26 PM CDT	Mesoscale Discussion	SPC	Lyon	3 hr
Sep 7, 12:43 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Chickasaw, Clayton, Fayette, Winneshiek	2 hr
Sep 8, 1:59 AM CDT	Mesoscale Discussion	SPC	Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 1 more	3 hr
Sep 8, 6:08 AM CDT	Mesoscale Discussion	SPC	Boone, Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay and 18 more	3 hr
Sep 8, 10:56 AM CDT	Mesoscale Discussion	SPC	Boone, Calhoun, Greene, Hamilton, Hardin, Humboldt and 6 more	64 min
Sep 8, 12:38 PM CDT	Mesoscale Discussion	SPC	Des Moines, Henry, Iowa, Jasper, Jefferson, Johnson and 13 more	97 min
Sep 8, 2:40 PM CDT	Mesoscale Discussion	SPC	Davis, Des Moines, Henry, Jefferson, Lee, Louisa and 5 more	95 min
Sep 12, 6:47 PM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Lyon, O'Brien, Osceola, Sioux and 1 more	88 min
Sep 12, 9:36 PM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Lyon, O'Brien, Osceola, Sioux and 1 more	84 min
Sep 13, 1:19 AM CDT	Mesoscale Discussion	SPC	Howard, Mitchell, Winneshiek, Worth	56 min
Sep 13, 11:19 AM CDT	Mesoscale Discussion	SPC	Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 48 more	116 min
Sep 13, 3:25 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Buchanan, Butler, Chickasaw, Clayton and 8 more	95 min
Sep 18, 5:38 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 30 more	97 min
Sep 18, 8:13 PM CDT	Mesoscale Discussion	SPC	Adair, Appanoose, Audubon, Benton, Black Hawk, Boone and 73 more	62 min
Sep 18, 10:00 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 62 more	60 min
Sep 18, 11:44 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Boone, Calhoun, Carroll, Cass and 10 more	91 min
Sep 19, 1:34 AM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Bremer, Buchanan, Cedar, Chickasaw and 16 more	86 min
Sep 19, 11:49 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 11 more	86 min
Sep 19, 3:48 PM CDT	Mesoscale Discussion	SPC	Des Moines, Lee, Van Buren	87 min
Sep 21, 3:24 PM CDT	Mesoscale Discussion	SPC	Lyon	96 min
Sep 24, 7:14 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 10 more	2 hr
Sep 24, 3:26 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 13 more	94 min
Sep 24, 10:41 PM CDT	Mesoscale Discussion	SPC	Cherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more	64 min
Sep 25, 2:15 AM CDT	Mesoscale Discussion	SPC	Dickinson, Lyon, Osceola	90 min
Sep 25, 3:24 PM CDT	Mesoscale Discussion	SPC	Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 14 more	96 min
Sep 28, 11:56 AM CDT	Mesoscale Discussion	SPC	Des Moines, Lee	94 min
Oct 4, 3:28 PM CDT	Mesoscale Discussion	SPC	Allamakee, Howard, Winneshiek	2 hr
Oct 4, 4:02 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 14 more	118 min
Oct 4, 5:28 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 11 more	3 hr
Oct 4, 7:20 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 11 more	115 min
Oct 4, 10:13 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 12 more	92 min
Nov 5, 12:21 PM CST	Mesoscale Discussion	SPC	Cedar, Clinton, Davis, Des Moines, Henry, Jackson and 11 more	2 hr
Nov 8, 5:30 PM CST	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Jackson, Louisa and 2 more	90 min
Nov 8, 9:25 PM CST	Mesoscale Discussion	SPC	Dubuque, Jackson	2 hr
Nov 12, 12:33 PM CST	Mesoscale Discussion	SPC	Adams, Audubon, Buena Vista, Carroll, Cass, Cherokee and 18 more	87 min
Nov 12, 3:35 PM CST	Mesoscale Discussion	SPC	Adair, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 18 more	85 min
Nov 12, 4:40 PM CST	Mesoscale Discussion	SPC	Adair, Appanoose, Audubon, Boone, Buena Vista, Butler and 49 more	65 min
Nov 12, 5:24 PM CST	Mesoscale Discussion	SPC	Allamakee, Benton, Bremer, Buchanan, Cedar, Chickasaw and 18 more	66 min
Nov 12, 8:08 PM CST	Mesoscale Discussion	SPC	Allamakee, Fayette, Howard, Winneshiek	67 min
Nov 15, 7:47 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 30 more	4 hr
Nov 15, 1:30 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 74 more	5 hr
Nov 15, 6:56 PM CST	Mesoscale Discussion	SPC	Allamakee, Clayton, Howard, Winneshiek	6 hr
Nov 27, 3:29 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Cass, Clarke, Decatur, Fremont and 10 more	2 hr
Nov 28, 6:19 AM CST	Mesoscale Discussion	SPC	Lyon, Sioux	5 hr
Dec 3, 12:25 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 63 more	6 hr
Dec 5, 6:26 PM CST	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Boone, Carroll and 39 more	5 hr
Dec 13, 6:35 PM CST	Mesoscale Discussion	SPC	Cerro Gordo, Emmet, Franklin, Hamilton, Hancock, Hardin and 5 more	4 hr
Dec 13, 11:03 PM CST	Mesoscale Discussion	SPC	Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw, Emmet and 15 more	5 hr
Dec 29, 6:08 PM CST	Mesoscale Discussion	SPC	Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay, Dickinson and 19 more	4 hr
Dec 29, 11:45 PM CST	Mesoscale Discussion	SPC	Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 14 more	4 hr

By county

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

59 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 2004 2006

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.