Alert archive / Iowa / 2004

Weather alerts in Iowa, May 2004

651 weather alerts in May 2004, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in May 2004. Tap one for its archive.

Alerts: 651
Warnings: 529
Watches: 38
Advisories: 0
Busiest day: May 21, 2004106 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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
May 2, 9:49 AM CDT	Mesoscale Discussion	SPC	Des Moines, Louisa	116 min
May 2, 12:43 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones, Linn	62 min
May 2, 2:02 PM CDT	Severe Thunderstorm Warning	DVN	Scott	58 min
May 6, 12:45 AM CDT	Severe Thunderstorm Warning	DMX	Emmet	30 min
May 6, 12:59 AM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clay and 16 more	2 hr
May 6, 11:53 PM CDT	Mesoscale Discussion	SPC	Adair, Benton, Black Hawk, Boone, Buchanan, Cedar and 34 more	97 min
May 7, 1:56 AM CDT	Severe Thunderstorm Warning	DVN	Benton	64 min
May 7, 2:33 AM CDT	Severe Thunderstorm Warning	DVN	Jones, Linn	57 min
May 7, 3:49 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	26 min
May 7, 4:15 AM CDT	Severe Thunderstorm Warning	DVN	Scott	30 min
May 7, 4:24 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Johnson, Jones, Louisa and 3 more	96 min
May 7, 6:54 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson	36 min
May 7, 8:13 AM CDT	Severe Thunderstorm Warning	DVN	Scott	47 min
May 7, 10:35 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson	55 min
May 7, 11:04 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	56 min
May 7, 11:43 AM CDT	Severe Thunderstorm Warning	DVN	Jones	32 min
May 7, 11:44 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Johnson, Jones, Linn and 2 more	2 hr
May 7, 2:26 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 26 more	3 hr
May 7, 4:21 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	54 min
May 7, 4:33 PM CDT	Mesoscale Discussion	SPC	Clayton, Clinton, Delaware, Dubuque, Jackson, Jones	87 min
May 7, 5:25 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 4 more	6 hr
May 7, 8:20 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Buchanan, Clayton, Delaware, Dubuque and 5 more	85 min
May 7, 9:53 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Crawford and 21 more	97 min
May 7, 10:20 PM CDT	Severe Thunderstorm Watch	SPC	Black Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun and 38 more	6 hr
May 8, 12:24 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	36 min
May 8, 12:26 AM CDT	Mesoscale Discussion	SPC	Allamakee, Clayton, Winneshiek	64 min
May 8, 12:50 AM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Winneshiek	6 hr
May 8, 12:56 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien	34 min
May 8, 12:59 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	16 min
May 8, 1:05 AM CDT	Severe Thunderstorm Warning	FSD	Osceola	25 min
May 8, 1:30 AM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien	30 min
May 8, 2:00 AM CDT	Severe Thunderstorm Warning	FSD	Clay	30 min
May 8, 2:07 AM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	38 min
May 8, 2:25 AM CDT	Severe Thunderstorm Warning	DMX	Kossuth	35 min
May 8, 2:27 AM CDT	Mesoscale Discussion	SPC	Black Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun and 27 more	93 min
May 8, 2:40 AM CDT	Severe Thunderstorm Warning	DMX	Winnebago	50 min
May 8, 3:03 AM CDT	Severe Thunderstorm Warning	DMX	Hancock	42 min
May 8, 3:15 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Worth	45 min
May 8, 3:36 AM CDT	Mesoscale Discussion	SPC	Allamakee, Winneshiek	54 min
May 8, 4:48 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	27 min
May 8, 5:35 AM CDT	Mesoscale Discussion	SPC	Allamakee, Winneshiek	55 min
May 8, 6:32 AM CDT	Severe Thunderstorm Warning	DMX	Webster	28 min
May 8, 10:49 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	41 min
May 8, 10:58 AM CDT	Severe Thunderstorm Warning	DVN	Benton	62 min
May 8, 11:05 AM CDT	Severe Thunderstorm Warning	DMX	Tama	25 min
May 8, 2:27 PM CDT	Mesoscale Discussion	SPC	Adair, Audubon, Black Hawk, Boone, Bremer, Buena Vista and 37 more	3 hr
May 8, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 38 more	5 hr
May 8, 3:52 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Story	23 min
May 8, 4:54 PM CDT	Severe Thunderstorm Warning	DMX	Greene	36 min
May 8, 4:58 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	32 min
May 8, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Greene	30 min
May 8, 5:08 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	67 min
May 8, 5:13 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	47 min
May 8, 5:16 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	29 min
May 8, 5:16 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	59 min
May 8, 5:25 PM CDT	Severe Thunderstorm Warning	DMX	Greene	35 min
May 8, 5:30 PM CDT	Severe Thunderstorm Warning	DMX	Boone	30 min
May 8, 5:31 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	59 min
May 8, 5:42 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Winneshiek	48 min
May 8, 5:45 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Benton, Boone, Buena Vista and 33 more	2 hr
May 8, 6:03 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	42 min
May 8, 6:05 PM CDT	Severe Thunderstorm Warning	DMX	Greene, Guthrie	25 min
May 8, 6:19 PM CDT	Tornado Warning	DMX	Dallas, Guthrie	26 min
May 8, 6:21 PM CDT	Tornado Warning	DMX	Dallas, Guthrie	24 min
May 8, 6:46 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	29 min
May 8, 6:50 PM CDT	Severe Thunderstorm Warning	DMX	Tama	40 min
May 8, 6:57 PM CDT	Tornado Warning	DMX	Dallas, Guthrie	33 min
May 8, 7:03 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	42 min
May 8, 7:05 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	25 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	OAX	Monona	50 min
May 8, 7:14 PM CDT	Severe Thunderstorm Warning	DMX	Polk	31 min
May 8, 7:16 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin	59 min
May 8, 7:28 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	32 min
May 8, 7:29 PM CDT	Tornado Warning	DMX	Dallas, Madison	31 min
May 8, 7:30 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	30 min
May 8, 7:32 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Guthrie	28 min
May 8, 7:54 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Clarke and 19 more	2 hr
May 8, 7:57 PM CDT	Flash Flood Warning	DMX	Greene, Guthrie, Kossuth	129 days
May 8, 7:59 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Warren	46 min
May 8, 8:03 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	42 min
May 8, 8:05 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	40 min
May 8, 8:25 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 58 more	6 hr
May 8, 8:29 PM CDT	Severe Thunderstorm Warning	ARX	Howard, Winneshiek	61 min
May 8, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	43 min
May 8, 8:43 PM CDT	Severe Thunderstorm Warning	DMX	Madison	47 min
May 8, 8:46 PM CDT	Severe Thunderstorm Warning	DMX	Adair	44 min
May 8, 8:52 PM CDT	Flash Flood Warning	ARX	Allamakee	3 hr
May 8, 8:56 PM CDT	Flash Flood Warning	DMX	Audubon, Emmet, Palo Alto	129 days
May 8, 9:01 PM CDT	Flash Flood Warning	DMX	Adair, Madison, Winnebago	129 days
May 8, 9:06 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	24 min
May 8, 9:13 PM CDT	Severe Thunderstorm Warning	DMX	Cass	47 min
May 8, 9:29 PM CDT	Severe Thunderstorm Warning	DMX	Madison	31 min
May 8, 9:41 PM CDT	Severe Thunderstorm Warning	DMX	Adair	49 min
May 8, 10:01 PM CDT	Severe Thunderstorm Warning	DMX	Madison	44 min
May 8, 10:29 PM CDT	Severe Thunderstorm Warning	DMX	Union	46 min
May 8, 10:44 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Cass, Clarke, Decatur, Fremont and 12 more	2 hr
May 8, 11:21 PM CDT	Severe Thunderstorm Warning	OAX	Mills	39 min
May 8, 11:38 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	37 min
May 9, 1:22 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Cedar, Clarke and 30 more	23 min
May 9, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	Lyon, Sioux	6 hr
May 9, 4:46 PM CDT	Mesoscale Discussion	SPC	Allamakee, Buchanan, Clayton, Clinton, Delaware, Dubuque and 4 more	59 min
May 9, 5:13 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	47 min
May 9, 5:38 PM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Lyon, Osceola, Sioux	2 hr
May 9, 7:55 PM CDT	Severe Thunderstorm Watch	SPC	Cherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 2 more	4 hr
May 9, 8:09 PM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Howard, Lyon, Mitchell, Osceola and 2 more	2 hr
May 9, 8:33 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	27 min
May 9, 8:59 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	31 min
May 9, 9:55 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	35 min
May 9, 10:09 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	36 min
May 10, 2:32 AM CDT	Severe Thunderstorm Warning	OAX	Fremont	43 min
May 10, 11:05 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Dubuque, Jackson, Jones, Louisa and 2 more	115 min
May 12, 11:29 AM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 12 more	2 hr
May 12, 12:20 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd and 5 more	6 hr
May 12, 2:22 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 8 more	83 min
May 12, 3:37 PM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 10 more	83 min
May 12, 5:22 PM CDT	Mesoscale Discussion	SPC	Allamakee, Clayton, Fayette	53 min
May 13, 1:37 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee	23 min
May 13, 4:15 AM CDT	Severe Thunderstorm Warning	DMX	Wayne	45 min
May 16, 1:13 PM CDT	Mesoscale Discussion	SPC	Lyon	2 hr
May 16, 8:21 PM CDT	Mesoscale Discussion	SPC	Emmet	114 min
May 16, 9:26 PM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Buena Vista, Calhoun, Carroll, Cass and 28 more	3 hr
May 17, 12:41 PM CDT	Mesoscale Discussion	SPC	Benton, Buchanan, Clayton, Delaware, Dubuque, Jackson and 2 more	3 hr
May 17, 1:42 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cherokee, Crawford, Harrison and 4 more	2 hr
May 17, 3:52 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Benton, Cass, Clarke and 33 more	113 min
May 17, 4:08 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	37 min
May 17, 4:19 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	56 min
May 17, 4:34 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	26 min
May 17, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Boone, Cass and 26 more	5 hr
May 17, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Cass	45 min
May 17, 5:05 PM CDT	Severe Thunderstorm Warning	DMX	Adair	55 min
May 17, 5:05 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	40 min
May 17, 5:11 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	34 min
May 17, 5:22 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	38 min
May 17, 5:26 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	64 min
May 17, 5:27 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	48 min
May 17, 5:42 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	63 min
May 17, 5:44 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	31 min
May 17, 5:58 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	47 min
May 17, 6:02 PM CDT	Severe Thunderstorm Warning	DMX	Polk	43 min
May 17, 6:03 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	27 min
May 17, 6:08 PM CDT	Severe Thunderstorm Warning	DMX	Adams	52 min
May 17, 6:16 PM CDT	Severe Thunderstorm Warning	OAX	Page	44 min
May 17, 6:29 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	31 min
May 17, 6:39 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek	51 min
May 17, 6:44 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	61 min
May 17, 6:44 PM CDT	Mesoscale Discussion	SPC	Dubuque	61 min
May 17, 6:45 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk	60 min
May 17, 6:54 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	66 min
May 17, 6:57 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	63 min
May 17, 6:59 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Union	61 min
May 17, 7:15 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 17 more	5 hr
May 17, 7:45 PM CDT	Flash Flood Warning	DMX	Emmet, Madison, Palo Alto, Warren	121 days
May 17, 7:47 PM CDT	Severe Thunderstorm Warning	DMX	Warren	43 min
May 17, 7:58 PM CDT	Severe Thunderstorm Warning	DVN	Linn	32 min
May 17, 8:10 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	20 min
May 17, 8:14 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	61 min
May 17, 8:20 PM CDT	Mesoscale Discussion	SPC	Adams, Appanoose, Clarke, Davis, Decatur, Iowa and 17 more	55 min
May 17, 8:33 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	42 min
May 17, 8:41 PM CDT	Severe Thunderstorm Warning	DMX	Marion	34 min
May 17, 8:46 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	44 min
May 17, 9:04 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	41 min
May 17, 9:17 PM CDT	Severe Thunderstorm Warning	DVN	Scott	13 min
May 17, 9:41 PM CDT	Flash Flood Warning	DVN	Linn	6 hr
May 19, 2:45 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	45 min
May 19, 3:03 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more	117 min
May 19, 3:13 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	32 min
May 19, 3:18 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	42 min
May 19, 3:26 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
May 19, 3:59 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	46 min
May 19, 4:30 PM CDT	Severe Thunderstorm Warning	FSD	Clay	30 min
May 19, 4:59 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	31 min
May 19, 5:14 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	46 min
May 19, 5:27 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	33 min
May 19, 5:35 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Audubon, Boone, Calhoun, Carroll, Cass and 24 more	5 hr
May 19, 5:57 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	33 min
May 19, 6:13 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	47 min
May 19, 6:24 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	21 min
May 19, 7:00 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	60 min
May 19, 7:12 PM CDT	Mesoscale Discussion	SPC	Audubon, Calhoun, Carroll, Emmet, Floyd, Franklin and 15 more	2 hr
May 19, 7:52 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Worth	53 min
May 20, 11:31 AM CDT	Mesoscale Discussion	SPC	Adair, Benton, Black Hawk, Boone, Buchanan, Cedar and 37 more	2 hr
May 20, 3:35 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 15 more	6 hr
May 20, 4:51 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	39 min
May 20, 4:54 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Boone, Cass and 33 more	96 min
May 20, 5:00 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 23 more	5 hr
May 20, 5:19 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	41 min
May 20, 6:21 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	54 min
May 20, 6:32 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk, Washington	43 min
May 20, 7:13 PM CDT	Severe Thunderstorm Warning	DVN	Johnson, Washington	62 min
May 20, 7:32 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Jefferson, Keokuk and 5 more	88 min
May 20, 7:41 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	64 min
May 20, 7:54 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	66 min
May 20, 10:03 PM CDT	Mesoscale Discussion	SPC	Fremont, Harrison, Mills, Pottawattamie	87 min
May 21, 1:04 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	41 min
May 21, 1:11 AM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 27 more	34 min
May 21, 1:20 AM CDT	Severe Thunderstorm Watch	SPC	Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 19 more	6 hr
May 21, 1:32 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee	28 min
May 21, 2:18 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	42 min
May 21, 2:22 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 47 more	23 min
May 21, 2:35 AM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more	4 hr
May 21, 2:37 AM CDT	Severe Thunderstorm Warning	DMX	Sac	53 min
May 21, 2:50 AM CDT	Severe Thunderstorm Warning	FSD	Osceola	25 min
May 21, 2:55 AM CDT	Severe Thunderstorm Warning	ARX	Floyd	35 min
May 21, 2:57 AM CDT	Severe Thunderstorm Warning	FSD	Dickinson	33 min
May 21, 4:32 AM CDT	Severe Thunderstorm Warning	DMX	Franklin	28 min
May 21, 4:34 AM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Buena Vista, Butler and 35 more	56 min
May 21, 4:51 AM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	24 min
May 21, 5:23 AM CDT	Severe Thunderstorm Warning	DMX	Bremer	37 min
May 21, 6:11 AM CDT	Severe Thunderstorm Warning	ARX	Clayton, Fayette	34 min
May 21, 6:23 AM CDT	Mesoscale Discussion	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clay and 20 more	67 min
May 21, 6:28 AM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	62 min
May 21, 9:18 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	27 min
May 21, 9:44 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Buena Vista and 38 more	3 hr
May 21, 10:22 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien	23 min
May 21, 10:25 AM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 37 more	6 hr
May 21, 10:29 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	46 min
May 21, 10:59 AM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	61 min
May 21, 11:08 AM CDT	Severe Thunderstorm Warning	DMX	Hancock	67 min
May 21, 11:14 AM CDT	Severe Thunderstorm Warning	FSD	Clay	16 min
May 21, 11:40 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Worth	50 min
May 21, 12:20 PM CDT	Severe Thunderstorm Warning	DMX	Butler	40 min
May 21, 12:29 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Worth	16 min
May 21, 12:31 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	29 min
May 21, 12:37 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	38 min
May 21, 12:50 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	40 min
May 21, 1:17 PM CDT	Severe Thunderstorm Warning	DMX	Webster	58 min
May 21, 1:25 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	35 min
May 21, 1:27 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	48 min
May 21, 1:55 PM CDT	Severe Thunderstorm Warning	DMX	Grundy	35 min
May 21, 1:59 PM CDT	Severe Thunderstorm Warning	ARX	Fayette, Winneshiek	31 min
May 21, 1:59 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 9 more	2 hr
May 21, 2:02 PM CDT	Tornado Warning	DMX	Grundy	43 min
May 21, 2:05 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Wright	25 min
May 21, 2:06 PM CDT	Tornado Warning	DMX	Hamilton	39 min
May 21, 2:20 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	55 min
May 21, 2:28 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Wright	47 min
May 21, 2:39 PM CDT	Tornado Warning	DMX	Hardin	51 min
May 21, 2:42 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	33 min
May 21, 2:43 PM CDT	Tornado Warning	DMX	Black Hawk	57 min
May 21, 2:45 PM CDT	Tornado Warning	DMX	Grundy	45 min
May 21, 2:45 PM CDT	Tornado Watch	SPC	Allamakee, Audubon, Benton, Black Hawk, Boone, Bremer and 59 more	7 hr
May 21, 3:06 PM CDT	Severe Thunderstorm Warning	DMX	Butler	39 min
May 21, 3:07 PM CDT	Severe Thunderstorm Warning	DMX	Tama	23 min
May 21, 3:26 PM CDT	Tornado Warning	DVN	Buchanan	64 min
May 21, 3:27 PM CDT	Tornado Warning	DMX	Grundy	48 min
May 21, 3:27 PM CDT	Severe Thunderstorm Warning	DVN	Benton	48 min
May 21, 3:35 PM CDT	Tornado Warning	DMX	Black Hawk	40 min
May 21, 3:38 PM CDT	Flash Flood Warning	DMX	Black Hawk, Palo Alto, Pocahontas	119 days
May 21, 3:38 PM CDT	Tornado Warning	DVN	Benton	37 min
May 21, 3:44 PM CDT	Tornado Warning	DMX	Marshall, Tama	31 min
May 21, 3:47 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	43 min
May 21, 3:56 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
May 21, 4:11 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	49 min
May 21, 4:12 PM CDT	Tornado Warning	DVN	Linn	63 min
May 21, 4:13 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	32 min
May 21, 4:14 PM CDT	Tornado Warning	DVN	Benton	31 min
May 21, 4:16 PM CDT	Tornado Warning	DMX	Tama	29 min
May 21, 4:18 PM CDT	Severe Thunderstorm Warning	FSD	Ida	27 min
May 21, 4:32 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	43 min
May 21, 4:43 PM CDT	Flash Flood Warning	DVN	Benton, Buchanan, Delaware, Linn	6 hr
May 21, 4:44 PM CDT	Severe Thunderstorm Warning	DVN	Benton	61 min
May 21, 4:46 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	44 min
May 21, 4:48 PM CDT	Tornado Warning	DVN	Benton	57 min
May 21, 4:48 PM CDT	Severe Thunderstorm Warning	FSD	Clay	42 min
May 21, 4:51 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	54 min
May 21, 4:58 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	32 min
May 21, 5:01 PM CDT	Severe Thunderstorm Warning	DMX	Wright	44 min
May 21, 5:05 PM CDT	Tornado Warning	DVN	Jones	55 min
May 21, 5:14 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	31 min
May 21, 5:21 PM CDT	Severe Thunderstorm Warning	DVN	Linn	54 min
May 21, 5:23 PM CDT	Severe Thunderstorm Warning	FSD	Clay	37 min
May 21, 5:26 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	34 min
May 21, 5:27 PM CDT	Flash Flood Warning	DMX	Palo Alto, Pocahontas, Taylor	120 days
May 21, 5:27 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock	48 min
May 21, 5:30 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	45 min
May 21, 5:38 PM CDT	Tornado Warning	DVN	Clinton, Jackson	67 min
May 21, 5:47 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	43 min
May 21, 5:48 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	57 min
May 21, 5:51 PM CDT	Flash Flood Warning	DVN	Jones	6 hr
May 21, 5:52 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin	53 min
May 21, 5:54 PM CDT	Tornado Warning	DMX	Palo Alto, Pocahontas	51 min
May 21, 5:56 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones	64 min
May 21, 5:59 PM CDT	Severe Thunderstorm Warning	FSD	Clay	31 min
May 21, 6:09 PM CDT	Flash Flood Warning	DMX	Adams, Cerro Gordo, Franklin, Hancock, Humboldt, Kossuth and 1 more	120 days
May 21, 6:15 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	45 min
May 21, 6:15 PM CDT	Tornado Warning	DMX	Humboldt, Kossuth	45 min
May 21, 6:22 PM CDT	Severe Thunderstorm Warning	DMX	Butler	53 min
May 21, 6:33 PM CDT	Mesoscale Discussion	SPC	Lyon, Plymouth, Sioux, Woodbury	57 min
May 21, 6:36 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	24 min
May 21, 6:41 PM CDT	Tornado Warning	DMX	Humboldt	34 min
May 21, 6:45 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	30 min
May 21, 6:54 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	36 min
May 21, 6:54 PM CDT	Severe Thunderstorm Warning	DMX	Wright	51 min
May 21, 6:55 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	50 min
May 21, 7:00 PM CDT	Flash Flood Warning	ARX	Chickasaw, Floyd	3 hr
May 21, 7:16 PM CDT	Tornado Warning	DMX	Wright	29 min
May 21, 7:25 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	35 min
May 21, 7:31 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	44 min
May 21, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	54 min
May 21, 7:37 PM CDT	Mesoscale Discussion	SPC	Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 48 more	83 min
May 21, 7:41 PM CDT	Flash Flood Warning	ARX	Allamakee, Winneshiek	3 hr
May 21, 7:41 PM CDT	Flash Flood Warning	DMX	Bremer, Butler	17 hr
May 21, 7:46 PM CDT	Severe Thunderstorm Warning	DMX	Wright	14 min
May 21, 8:12 PM CDT	Tornado Warning	DMX	Bremer	48 min
May 21, 8:19 PM CDT	Tornado Warning	FSD	Plymouth	41 min
May 21, 8:35 PM CDT	Flash Flood Warning	ARX	Clayton, Fayette	3 hr
May 21, 8:37 PM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien	23 min
May 21, 8:56 PM CDT	Tornado Warning	FSD	Plymouth	49 min
May 21, 8:59 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	31 min
May 21, 9:08 PM CDT	Flash Flood Warning	ARX	Howard, Mitchell	3 hr
May 21, 9:09 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	51 min
May 21, 9:25 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	35 min
May 21, 9:33 PM CDT	Severe Thunderstorm Warning	FSD	Clay	27 min
May 21, 9:33 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	42 min
May 21, 9:55 PM CDT	Tornado Watch	SPC	Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 14 more	4 hr
May 21, 9:57 PM CDT	Flash Flood Warning	ARX	Chickasaw, Floyd	3 hr
May 21, 9:59 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Woodbury	31 min
May 21, 10:00 PM CDT	Flash Flood Warning	DMX	Kossuth, Winnebago, Worth	18 hr
May 21, 10:12 PM CDT	Severe Thunderstorm Warning	FSD	Clay	33 min
May 21, 10:14 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	31 min
May 21, 10:29 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	16 min
May 21, 10:39 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto, Pocahontas	51 min
May 21, 10:45 PM CDT	Flash Flood Warning	ARX	Allamakee, Winneshiek	3 hr
May 21, 11:00 PM CDT	Severe Thunderstorm Warning	OAX	Monona	45 min
May 21, 11:07 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	23 min
May 21, 11:10 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth	50 min
May 21, 11:16 PM CDT	Severe Thunderstorm Warning	DMX	Sac	44 min
May 21, 11:28 PM CDT	Flash Flood Warning	ARX	Clayton, Fayette	3 hr
May 21, 11:50 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	25 min
May 21, 11:54 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock	51 min
May 22, 12:03 AM CDT	Flash Flood Warning	FSD	Cherokee, Clay, O'Brien, Plymouth	87 min
May 22, 12:05 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 26 more	6 hr
May 22, 12:07 AM CDT	Tornado Warning	DMX	Hamilton	38 min
May 22, 12:11 AM CDT	Flash Flood Warning	ARX	Howard, Mitchell	3 hr
May 22, 12:18 AM CDT	Severe Thunderstorm Warning	ARX	Floyd	57 min
May 22, 12:25 AM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 14 more	2 hr
May 22, 12:55 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 17 more	5 hr
May 22, 12:59 AM CDT	Flash Flood Warning	ARX	Chickasaw, Floyd	3 hr
May 22, 2:07 AM CDT	Severe Thunderstorm Warning	ARX	Fayette	38 min
May 22, 2:16 AM CDT	Severe Thunderstorm Warning	ARX	Clayton	44 min
May 22, 2:41 AM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 24 more	94 min
May 22, 2:48 AM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	42 min
May 22, 3:21 AM CDT	Flash Flood Warning	DVN	Delaware, Dubuque	6 hr
May 22, 3:29 AM CDT	Severe Thunderstorm Warning	DVN	Jackson	31 min
May 22, 3:40 AM CDT	Flash Flood Warning	DVN	Benton, Linn	6 hr
May 22, 3:44 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Cass, Dallas and 11 more	61 min
May 22, 3:51 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	49 min
May 22, 3:55 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	65 min
May 22, 6:58 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 6 more	62 min
May 22, 9:14 AM CDT	Severe Thunderstorm Warning	DVN	Muscatine, Scott	76 min
May 22, 3:02 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 29 more	58 min
May 22, 3:45 PM CDT	Tornado Watch	SPC	Fremont, Harrison, Mills, Pottawattamie, Shelby	7 hr
May 22, 5:52 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Benton, Black Hawk, Boone and 53 more	113 min
May 22, 6:09 PM CDT	Severe Thunderstorm Warning	DMX	Boone	51 min
May 22, 6:15 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 47 more	6 hr
May 22, 6:35 PM CDT	Severe Thunderstorm Warning	DMX	Adair	25 min
May 22, 6:40 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	50 min
May 22, 6:41 PM CDT	Tornado Warning	DMX	Boone	34 min
May 22, 6:51 PM CDT	Tornado Warning	DMX	Carroll	39 min
May 22, 6:55 PM CDT	Severe Thunderstorm Warning	DMX	Story	50 min
May 22, 7:00 PM CDT	Tornado Warning	DMX	Adair	30 min
May 22, 7:01 PM CDT	Tornado Warning	DMX	Adair	29 min
May 22, 7:04 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	26 min
May 22, 7:06 PM CDT	Tornado Warning	DMX	Polk, Story	54 min
May 22, 7:10 PM CDT	Tornado Warning	DMX	Dallas, Guthrie	50 min
May 22, 7:11 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Clarke, Dallas and 15 more	94 min
May 22, 7:13 PM CDT	Flash Flood Warning	DMX	Boone, Story	92 min
May 22, 7:14 PM CDT	Tornado Warning	DMX	Audubon	31 min
May 22, 7:14 PM CDT	Tornado Warning	DMX	Greene, Guthrie	46 min
May 22, 7:23 PM CDT	Tornado Warning	DMX	Madison	37 min
May 22, 7:23 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Dallas, Fremont and 9 more	67 min
May 22, 7:31 PM CDT	Tornado Warning	DMX	Guthrie	44 min
May 22, 7:46 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	59 min
May 22, 7:49 PM CDT	Tornado Warning	DMX	Jasper, Marshall	56 min
May 22, 7:51 PM CDT	Tornado Warning	DMX	Dallas	39 min
May 22, 7:51 PM CDT	Tornado Warning	OAX	Harrison, Shelby	54 min
May 22, 7:57 PM CDT	Tornado Warning	DMX	Story	33 min
May 22, 8:18 PM CDT	Tornado Warning	DMX	Polk	57 min
May 22, 8:21 PM CDT	Flash Flood Warning	DMX	Audubon, Boone, Carroll, Dallas, Greene, Guthrie and 4 more	16 hr
May 22, 8:29 PM CDT	Tornado Warning	DMX	Dallas	16 min
May 22, 8:31 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	44 min
May 22, 8:41 PM CDT	Tornado Warning	DMX	Tama	49 min
May 22, 8:43 PM CDT	Tornado Warning	DMX	Marshall	47 min
May 22, 8:51 PM CDT	Tornado Warning	OAX	Shelby	39 min
May 22, 8:58 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 49 more	92 min
May 22, 9:01 PM CDT	Flash Flood Warning	OAX	Harrison, Pottawattamie	6 hr
May 22, 9:09 PM CDT	Tornado Warning	DMX	Polk, Story	36 min
May 22, 9:14 PM CDT	Tornado Warning	DMX	Dallas	31 min
May 22, 9:16 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	44 min
May 22, 9:17 PM CDT	Flash Flood Warning	OAX	Shelby	6 hr
May 22, 9:27 PM CDT	Tornado Warning	DMX	Marshall, Tama	63 min
May 22, 9:31 PM CDT	Flash Flood Warning	DMX	Tama	15 hr
May 22, 10:00 PM CDT	Severe Thunderstorm Warning	DMX	Cass	45 min
May 22, 10:02 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	58 min
May 22, 10:12 PM CDT	Tornado Warning	OAX	Mills	48 min
May 22, 10:14 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	46 min
May 22, 10:15 PM CDT	Flash Flood Warning	DVN	Benton, Buchanan, Delaware, Dubuque, Jones, Linn	10 hr
May 22, 10:21 PM CDT	Severe Thunderstorm Warning	DVN	Benton	39 min
May 22, 10:22 PM CDT	Flash Flood Warning	DMX	Black Hawk	16 hr
May 22, 10:23 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Story	52 min
May 22, 10:24 PM CDT	Severe Thunderstorm Warning	DMX	Adair	36 min
May 22, 10:33 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	42 min
May 22, 10:40 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Benton, Cedar, Clarke and 33 more	5 hr
May 22, 10:46 PM CDT	Severe Thunderstorm Warning	DMX	Cass	29 min
May 22, 10:47 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	43 min
May 22, 10:48 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	57 min
May 22, 10:52 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	23 min
May 22, 10:55 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	50 min
May 22, 10:55 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	50 min
May 22, 10:57 PM CDT	Severe Thunderstorm Warning	DMX	Adair	48 min
May 22, 11:06 PM CDT	Severe Thunderstorm Warning	DVN	Benton	39 min
May 22, 11:09 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Ringgold, Union	51 min
May 22, 11:14 PM CDT	Flash Flood Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	6 hr
May 22, 11:20 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	55 min
May 22, 11:31 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur	44 min
May 22, 11:33 PM CDT	Severe Thunderstorm Warning	FSD	Ida	27 min
May 22, 11:33 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Benton, Cedar, Clarke and 33 more	87 min
May 22, 11:36 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	54 min
May 22, 11:36 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	54 min
May 22, 11:54 PM CDT	Tornado Warning	DMX	Warren	36 min
May 23, 12:07 AM CDT	Tornado Warning	DMX	Jasper, Marion	53 min
May 23, 12:22 AM CDT	Severe Thunderstorm Warning	DMX	Lucas	23 min
May 23, 12:24 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 3 more	66 min
May 23, 12:35 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	55 min
May 23, 12:40 AM CDT	Severe Thunderstorm Watch	SPC	Clinton, Dubuque, Jackson, Scott	5 hr
May 23, 1:16 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	59 min
May 23, 1:39 AM CDT	Severe Thunderstorm Warning	DVN	Johnson, Linn	51 min
May 23, 2:08 AM CDT	Severe Thunderstorm Warning	DVN	Delaware, Jones	52 min
May 23, 2:21 AM CDT	Mesoscale Discussion	SPC	Appanoose, Buchanan, Cedar, Davis, Delaware, Des Moines and 14 more	54 min
May 23, 3:21 AM CDT	Severe Thunderstorm Warning	DVN	Lee	59 min
May 23, 4:30 AM CDT	Mesoscale Discussion	SPC	Clinton, Des Moines, Jackson, Lee, Louisa, Muscatine and 1 more	60 min
May 23, 12:25 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 7 more	95 min
May 23, 1:15 PM CDT	Tornado Watch	SPC	Des Moines, Lee	6 hr
May 23, 2:05 PM CDT	Tornado Watch	SPC	Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 14 more	8 hr
May 23, 5:10 PM CDT	Mesoscale Discussion	SPC	Clinton, Dubuque, Jackson, Scott	95 min
May 24, 9:30 AM CDT	Mesoscale Discussion	SPC	Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more	2 hr
May 24, 10:10 AM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more	6 hr
May 24, 11:30 AM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 19 more	11 hr
May 24, 12:28 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	47 min
May 24, 1:10 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	35 min
May 24, 1:22 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	23 min
May 24, 1:24 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Chickasaw and 17 more	96 min
May 24, 1:45 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	30 min
May 24, 1:47 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	28 min
May 24, 1:53 PM CDT	Severe Thunderstorm Warning	FSD	Ida	52 min
May 24, 2:06 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	39 min
May 24, 2:08 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more	67 min
May 24, 2:14 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	31 min
May 24, 2:26 PM CDT	Severe Thunderstorm Warning	DMX	Sac	34 min
May 24, 2:34 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass, Guthrie	41 min
May 24, 2:35 PM CDT	Tornado Watch	SPC	Appanoose, Boone, Butler, Cerro Gordo, Clarke, Dallas and 26 more	7 hr
May 24, 2:36 PM CDT	Severe Thunderstorm Warning	OAX	Monona	24 min
May 24, 2:39 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more	96 min
May 24, 2:46 PM CDT	Severe Thunderstorm Warning	FSD	Ida	29 min
May 24, 2:47 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	28 min
May 24, 2:49 PM CDT	Severe Thunderstorm Warning	DMX	Sac	11 min
May 24, 2:55 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	35 min
May 24, 2:58 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	32 min
May 24, 3:00 PM CDT	Severe Thunderstorm Warning	DMX	Sac	45 min
May 24, 3:14 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass, Guthrie	46 min
May 24, 3:15 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	45 min
May 24, 3:19 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	41 min
May 24, 3:43 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	47 min
May 24, 3:51 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	39 min
May 24, 3:53 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	67 min
May 24, 4:04 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	26 min
May 24, 4:05 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	55 min
May 24, 4:06 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Webster	39 min
May 24, 4:13 PM CDT	Tornado Warning	DMX	Adair	32 min
May 24, 4:18 PM CDT	Tornado Warning	OAX	Fremont	27 min
May 24, 4:34 PM CDT	Flash Flood Warning	OAX	Pottawattamie	4 hr
May 24, 4:42 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	48 min
May 24, 4:44 PM CDT	Tornado Warning	OAX	Mills	31 min
May 24, 4:45 PM CDT	Tornado Warning	DMX	Madison	45 min
May 24, 4:47 PM CDT	Tornado Warning	OAX	Fremont	28 min
May 24, 4:57 PM CDT	Flash Flood Warning	DMX	Humboldt	4 hr
May 24, 5:00 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	60 min
May 24, 5:02 PM CDT	Flash Flood Warning	DMX	Dallas, Madison	6 hr
May 24, 5:04 PM CDT	Tornado Warning	DMX	Dallas	56 min
May 24, 5:07 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	38 min
May 24, 5:07 PM CDT	Flash Flood Warning	OAX	Harrison, Shelby	4 hr
May 24, 5:10 PM CDT	Flash Flood Warning	OAX	Mills	4 hr
May 24, 5:12 PM CDT	Flash Flood Warning	DMX	Audubon, Carroll, Greene, Guthrie	6 hr
May 24, 5:16 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	44 min
May 24, 5:18 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	57 min
May 24, 5:19 PM CDT	Tornado Warning	DMX	Polk	56 min
May 24, 5:26 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 61 more	94 min
May 24, 5:28 PM CDT	Flash Flood Warning	OAX	Fremont	4 hr
May 24, 5:30 PM CDT	Tornado Warning	DMX	Madison	15 min
May 24, 5:31 PM CDT	Flash Flood Warning	DMX	Boone	6 hr
May 24, 5:36 PM CDT	Tornado Warning	DMX	Warren	24 min
May 24, 5:39 PM CDT	Flash Flood Warning	DMX	Polk	6 hr
May 24, 5:42 PM CDT	Tornado Warning	OAX	Page	33 min
May 24, 5:43 PM CDT	Tornado Warning	DMX	Madison	32 min
May 24, 5:45 PM CDT	Tornado Watch	SPC	Appanoose, Davis, Des Moines, Lee, Van Buren, Wayne	5 hr
May 24, 5:58 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	47 min
May 24, 5:59 PM CDT	Tornado Warning	DMX	Warren	46 min
May 24, 6:13 PM CDT	Severe Thunderstorm Warning	OAX	Page	47 min
May 24, 6:16 PM CDT	Flash Flood Warning	OAX	Montgomery, Page	4 hr
May 24, 6:17 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	28 min
May 24, 6:21 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	39 min
May 24, 6:26 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Story	64 min
May 24, 6:26 PM CDT	Tornado Warning	DMX	Madison	49 min
May 24, 6:28 PM CDT	Flash Flood Warning	DMX	Taylor	19 hr
May 24, 6:35 PM CDT	Tornado Warning	DMX	Taylor	40 min
May 24, 6:38 PM CDT	Flash Flood Warning	DMX	Marion	18 hr
May 24, 6:41 PM CDT	Tornado Warning	DMX	Marion	49 min
May 24, 6:42 PM CDT	Flash Flood Warning	DMX	Warren	18 hr
May 24, 6:44 PM CDT	Severe Thunderstorm Warning	DMX	Polk	46 min
May 24, 6:45 PM CDT	Tornado Warning	DMX	Warren	30 min
May 24, 6:47 PM CDT	Tornado Warning	DMX	Monroe	43 min
May 24, 6:52 PM CDT	Flash Flood Warning	DMX	Decatur, Ringgold	18 hr
May 24, 6:52 PM CDT	Tornado Warning	DMX	Ringgold	38 min
May 24, 6:55 PM CDT	Flash Flood Warning	DMX	Mahaska	18 hr
May 24, 7:03 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	57 min
May 24, 7:06 PM CDT	Tornado Warning	DMX	Mahaska	54 min
May 24, 7:11 PM CDT	Flash Flood Warning	DMX	Adair, Clarke, Lucas, Union, Wayne	18 hr
May 24, 7:15 PM CDT	Tornado Warning	DMX	Warren	30 min
May 24, 7:16 PM CDT	Flash Flood Warning	DMX	Jasper	18 hr
May 24, 7:23 PM CDT	Tornado Warning	DMX	Decatur	67 min
May 24, 7:27 PM CDT	Tornado Warning	DMX	Ringgold	33 min
May 24, 7:27 PM CDT	Mesoscale Discussion	SPC	Appanoose, Boone, Butler, Cerro Gordo, Davis, Emmet and 24 more	63 min
May 24, 7:28 PM CDT	Severe Thunderstorm Warning	DMX	Marion	47 min
May 24, 7:30 PM CDT	Tornado Warning	DMX	Decatur	60 min
May 24, 7:38 PM CDT	Tornado Warning	DMX	Jasper	52 min
May 24, 7:42 PM CDT	Tornado Warning	DMX	Appanoose	48 min
May 24, 7:47 PM CDT	Flash Flood Warning	DMX	Poweshiek	18 hr
May 24, 7:53 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	67 min
May 24, 7:58 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	47 min
May 24, 8:13 PM CDT	Flash Flood Warning	DMX	Appanoose, Davis, Monroe, Wapello	18 hr
May 24, 8:15 PM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Lee, Van Buren, Wayne	90 min
May 24, 8:17 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	43 min
May 24, 8:28 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	57 min
May 24, 8:28 PM CDT	Flash Flood Warning	DVN	Benton, Buchanan	9 hr
May 24, 8:28 PM CDT	Tornado Warning	DVN	Lee	62 min
May 24, 8:36 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	54 min
May 24, 8:52 PM CDT	Tornado Warning	DMX	Appanoose	23 min
May 24, 8:56 PM CDT	Tornado Warning	DMX	Davis	49 min
May 24, 9:06 PM CDT	Mesoscale Discussion	SPC	Appanoose, Boone, Butler, Cerro Gordo, Davis, Emmet and 26 more	54 min
May 26, 7:47 PM CDT	Tornado Warning	FSD	Lyon	43 min
May 26, 8:34 PM CDT	Severe Thunderstorm Warning	FSD	Osceola	41 min
May 27, 11:03 AM CDT	Severe Thunderstorm Warning	DMX	Ringgold	42 min
May 27, 11:07 AM CDT	Severe Thunderstorm Warning	DMX	Taylor	38 min
May 27, 11:10 AM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 9 more	2 hr
May 27, 11:20 AM CDT	Flash Flood Warning	DMX	Ringgold, Taylor	3 hr
May 27, 11:23 AM CDT	Severe Thunderstorm Warning	DMX	Decatur	52 min
May 27, 11:32 AM CDT	Flash Flood Warning	DMX	Decatur	3 hr
May 27, 11:45 AM CDT	Severe Thunderstorm Warning	DMX	Ringgold	45 min
May 27, 11:55 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 22 more	6 hr
May 27, 12:00 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	45 min
May 27, 12:03 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	27 min
May 27, 12:14 PM CDT	Severe Thunderstorm Warning	OAX	Page	46 min
May 27, 12:30 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	45 min
May 27, 12:38 PM CDT	Flash Flood Warning	DMX	Adams	3 hr
May 27, 12:41 PM CDT	Tornado Warning	DMX	Appanoose, Wayne	49 min
May 27, 1:01 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	44 min
May 27, 1:05 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	40 min
May 28, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	Cherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more	6 hr
May 28, 7:31 PM CDT	Mesoscale Discussion	SPC	Cherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more	89 min
May 28, 7:47 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	43 min
May 28, 8:04 PM CDT	Tornado Warning	FSD	Sioux	41 min
May 28, 8:26 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	49 min
May 28, 8:37 PM CDT	Tornado Warning	FSD	Woodbury	23 min
May 28, 8:44 PM CDT	Tornado Warning	FSD	Sioux	46 min
May 28, 8:59 PM CDT	Tornado Warning	FSD	Woodbury	31 min
May 28, 9:03 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 24 more	57 min
May 28, 9:27 PM CDT	Tornado Warning	FSD	Sioux	33 min
May 28, 9:31 PM CDT	Tornado Warning	FSD	Woodbury	29 min
May 28, 9:35 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	25 min
May 28, 9:40 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	50 min
May 28, 9:48 PM CDT	Severe Thunderstorm Warning	FSD	Ida	27 min
May 28, 9:50 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 15 more	5 hr
May 28, 9:57 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	33 min
May 28, 9:57 PM CDT	Tornado Warning	FSD	Woodbury	18 min
May 28, 10:15 PM CDT	Severe Thunderstorm Warning	FSD	Ida	15 min
May 28, 10:17 PM CDT	Severe Thunderstorm Warning	FSD	Ida	13 min
May 28, 10:27 PM CDT	Severe Thunderstorm Warning	DMX	Crawford, Sac	33 min
May 28, 10:30 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	45 min
May 28, 10:32 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	28 min
May 28, 10:58 PM CDT	Severe Thunderstorm Warning	FSD	Ida	62 min
May 28, 11:09 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	36 min
May 28, 11:13 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	32 min
May 28, 11:31 PM CDT	Severe Thunderstorm Warning	DMX	Sac	59 min
May 28, 11:41 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 16 more	94 min
May 28, 11:45 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	30 min
May 28, 11:53 PM CDT	Tornado Warning	DMX	Sac	37 min
May 29, 12:02 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	28 min
May 29, 12:28 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun	47 min
May 29, 12:52 AM CDT	Severe Thunderstorm Warning	DMX	Carroll	38 min
May 29, 1:11 AM CDT	Severe Thunderstorm Warning	DMX	Webster	64 min
May 29, 6:14 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	46 min
May 29, 12:42 PM CDT	Mesoscale Discussion	SPC	Adair, Appanoose, Audubon, Boone, Buena Vista, Calhoun and 45 more	93 min
May 29, 2:05 PM CDT	Tornado Watch	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more	8 hr
May 29, 3:05 PM CDT	Tornado Watch	SPC	Carroll, Crawford, Fremont, Harrison, Mills, Monona and 4 more	7 hr
May 29, 4:35 PM CDT	Tornado Watch	SPC	Adair, Adams, Boone, Cass, Clarke, Dallas and 15 more	5 hr
May 29, 5:01 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more	119 min
May 29, 8:34 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	41 min
May 29, 8:44 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	46 min
May 29, 8:45 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Crawford and 15 more	60 min
May 29, 8:46 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Page	59 min
May 29, 9:01 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	29 min
May 29, 9:21 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more	54 min
May 29, 9:24 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	36 min
May 29, 9:35 PM CDT	Flash Flood Warning	FSD	Lyon, O'Brien, Osceola, Plymouth, Sioux	6 hr
May 29, 9:35 PM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 26 more	6 hr
May 29, 9:59 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	31 min
May 29, 11:22 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	38 min
May 29, 11:23 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Crawford and 13 more	67 min
May 29, 11:50 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	40 min
May 30, 12:29 AM CDT	Severe Thunderstorm Warning	DMX	Decatur, Wayne	46 min
May 30, 12:35 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	55 min
May 30, 12:38 AM CDT	Severe Thunderstorm Warning	OAX	Mills	52 min
May 30, 12:40 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin, Story	50 min
May 30, 1:11 AM CDT	Severe Thunderstorm Warning	DMX	Cass	49 min
May 30, 1:17 AM CDT	Severe Thunderstorm Warning	DMX	Wayne	28 min
May 30, 1:27 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	58 min
May 30, 1:38 AM CDT	Tornado Warning	DMX	Appanoose, Monroe	47 min
May 30, 2:05 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Guthrie	25 min
May 30, 2:16 AM CDT	Severe Thunderstorm Warning	DMX	Taylor	29 min
May 30, 2:26 AM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison	34 min
May 30, 2:38 AM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Davis, Decatur, Jasper, Keokuk and 13 more	97 min
May 30, 2:44 AM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	46 min
May 30, 5:22 AM CDT	Flash Flood Warning	DVN	Jefferson	6 hr
May 30, 7:53 AM CDT	Flash Flood Warning	DVN	Scott	6 hr
May 30, 9:40 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Lee, Van Buren	3 hr
May 30, 12:13 PM CDT	Mesoscale Discussion	SPC	Cedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 14 more	2 hr
May 30, 12:25 PM CDT	Tornado Watch	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 37 more	7 hr
May 30, 2:04 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Wapello	41 min
May 30, 2:18 PM CDT	Severe Thunderstorm Warning	DVN	Lee	42 min
May 30, 2:29 PM CDT	Tornado Warning	DVN	Lee	46 min
May 30, 2:45 PM CDT	Tornado Warning	DVN	Des Moines	45 min
May 30, 2:47 PM CDT	Flash Flood Warning	DVN	Lee	5 hr
May 30, 3:09 PM CDT	Flash Flood Warning	DVN	Jefferson, Keokuk, Washington	5 hr
May 30, 3:16 PM CDT	Mesoscale Discussion	SPC	Clinton, Des Moines, Dubuque, Jackson, Louisa, Muscatine and 1 more	119 min
May 30, 3:26 PM CDT	Tornado Warning	DVN	Benton, Buchanan, Linn	64 min
May 30, 3:32 PM CDT	Severe Thunderstorm Warning	DVN	Johnson, Washington	58 min
May 30, 3:36 PM CDT	Flash Flood Warning	ARX	Clayton	4 hr
May 30, 3:41 PM CDT	Tornado Warning	DVN	Dubuque, Jones	49 min
May 30, 3:52 PM CDT	Tornado Warning	DVN	Iowa, Johnson	53 min
May 30, 3:58 PM CDT	Tornado Warning	DVN	Delaware	62 min
May 30, 4:03 PM CDT	Tornado Warning	DVN	Cedar, Muscatine	42 min
May 30, 4:12 PM CDT	Flash Flood Warning	DVN	Buchanan, Delaware, Dubuque, Jones, Linn	63 min
May 30, 4:18 PM CDT	Tornado Warning	DVN	Dubuque	57 min
May 30, 4:25 PM CDT	Flash Flood Warning	DVN	Buchanan, Delaware, Dubuque, Jones, Linn	4 hr
May 30, 4:44 PM CDT	Tornado Warning	DVN	Cedar, Scott	46 min
May 30, 5:22 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	28 min
May 30, 7:16 PM CDT	Tornado Warning	DVN	Buchanan	44 min
May 31, 4:04 AM CDT	Severe Thunderstorm Warning	DVN	Linn	56 min
May 31, 3:42 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	48 min
May 31, 4:45 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	45 min
May 31, 6:00 PM CDT	Severe Thunderstorm Warning	DVN	Scott	30 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	363
Tornado Warning	102
Severe Thunderstorm Watch	22
Tornado Watch	16
Mesoscale Discussion	84
Flooding
Flash Flood Warning	64

By county

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

59 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2003 2005

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.