Alert archive / Iowa / 2024

Weather alerts in Iowa, May 2024

662 weather alerts in May 2024, 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 2024. Tap one for its archive.

Alerts: 662
Warnings: 460
Watches: 61
Advisories: 11
Busiest day: May 21, 2024240 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
Apr 30, 7:00 PM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	18 min
Apr 30, 7:11 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Lucas, Monroe, Wayne	38 min
Apr 30, 7:24 PM CDT	Tornado Warning Tornado observed	DMX	Appanoose, Lucas, Monroe, Wayne	31 min
Apr 30, 7:35 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Mahaska, Monroe, Wapello	55 min
Apr 30, 7:40 PM CDT	Tornado Warning	DMX	Appanoose, Davis, Monroe, Wapello	50 min
Apr 30, 7:55 PM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 7 more	95 min
Apr 30, 8:03 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Monroe	42 min
Apr 30, 8:17 PM CDT	Tornado Warning	DMX	Davis	43 min
Apr 30, 8:26 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	49 min
Apr 30, 8:31 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Appanoose, Davis, Monroe, Wapello	44 min
Apr 30, 8:36 PM CDT	Tornado Warning	DVN	Van Buren	39 min
Apr 30, 9:09 PM CDT	Severe Thunderstorm Warning	DMX	Davis, Wapello	36 min
Apr 30, 9:13 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	47 min
May 1, 7:17 AM CDT	River Flood Warning	FSD	Clay	17 days
May 2, 2:38 AM CDT	Mesoscale Discussion	SPC	Fremont	67 min
May 2, 3:37 AM CDT	Special Weather Statement	OAX	Fremont, Mills	38 min
May 2, 8:50 AM CDT	River Flood Warning	FSD	Clay	3 days
May 2, 8:50 AM CDT	River Flood Warning	FSD	Cherokee	13 days
May 2, 9:33 AM CDT	River Flood Warning	FSD	Clay	21 days
May 2, 11:24 AM CDT	Special Weather Statement	DVN	Buchanan, Delaware	36 min
May 2, 1:38 PM CDT	Flash Flood Warning	DMX	Appanoose, Lucas, Monroe, Wapello, Wayne	6 hr
May 2, 2:06 PM CDT	River Flood Warning	FSD	O'Brien	24 hr
May 2, 2:58 PM CDT	Flood Watch	DMX	Appanoose, Davis, Decatur, Lucas, Mahaska, Marion and 3 more	9 hr
May 2, 2:58 PM CDT	Flood Watch	DVN	Henry, Jefferson, Keokuk, Van Buren, Washington	9 hr
May 2, 4:26 PM CDT	River Flood Warning	DMX	Humboldt, Kossuth	7 days
May 2, 7:31 PM CDT	Areal Flood Warning	DMX	Appanoose, Lucas, Monroe, Wapello, Wayne	15 hr
May 2, 9:25 PM CDT	River Flood Warning	DVN	Johnson, Washington	16 hr
May 3, 3:46 AM CDT	Dense Fog Advisory	ARX	Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek	5 hr
May 3, 3:53 AM CDT	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	4 hr
May 3, 4:10 AM CDT	Dense Fog Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 39 more	5 hr
May 3, 7:23 AM CDT	River Flood Warning	DVN	Lee	27 hr
May 3, 8:03 AM CDT	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	57 min
May 3, 3:10 PM CDT	River Flood Warning	DMX	Humboldt	9 days
May 3, 7:39 PM CDT	River Flood Watch	DVN	Des Moines, Henry, Lee	14 hr
May 3, 8:17 PM CDT	Areal Flood Warning	DVN	Van Buren	12 hr
May 3, 8:22 PM CDT	River Flood Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien	4 days
May 4, 7:41 AM CDT	Special Weather Statement	DVN	Benton, Buchanan	49 min
May 4, 8:00 AM CDT	Special Weather Statement	DVN	Iowa, Keokuk	45 min
May 4, 9:06 AM CDT	Special Weather Statement	DVN	Delaware, Linn	54 min
May 4, 9:25 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	10 hr
May 4, 11:18 AM CDT	River Flood Warning	DMX	Webster	7 days
May 5, 2:31 PM CDT	Wind Advisory	FSD	Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux	28 hr
May 6, 1:27 PM CDT	River Flood Warning	FSD	Clay	7 days
May 6, 3:07 PM CDT	Mesoscale Discussion	SPC	Fremont	113 min
May 6, 3:49 PM CDT	Tornado Watch	SPC	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	8 hr
May 6, 6:18 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 13 more	117 min
May 6, 7:32 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 34 more	7 hr
May 6, 7:48 PM CDT	Tornado Warning	FSD	Lyon, Sioux	27 min
May 6, 8:06 PM CDT	Mesoscale Discussion	SPC	Fremont	84 min
May 6, 8:10 PM CDT	Tornado Warning	FSD	Lyon	35 min
May 6, 8:27 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Pottawattamie	63 min
May 6, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	43 min
May 6, 8:43 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	50 min
May 6, 8:51 PM CDT	Tornado Warning	OAX	Mills, Pottawattamie	24 min
May 6, 9:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Montgomery, Pottawattamie, Shelby	50 min
May 6, 9:12 PM CDT	Tornado Warning	OAX	Pottawattamie, Shelby	18 min
May 6, 9:16 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Montgomery, Page	44 min
May 6, 9:16 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 17 more	119 min
May 6, 9:25 PM CDT	Tornado Warning	OAX	Shelby	35 min
May 6, 9:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Adams, Audubon, Cass, Guthrie, Taylor	48 min
May 6, 9:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Calhoun, Carroll, Crawford, Greene, Sac	40 min
May 6, 9:45 PM CDT	Tornado Warning	DMX	Carroll, Crawford	45 min
May 6, 10:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Adams, Audubon, Cass, Dallas, Guthrie and 2 more	51 min
May 6, 10:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Calhoun, Carroll, Crawford, Greene, Humboldt, Pocahontas and 2 more	61 min
May 6, 10:26 PM CDT	Tornado Warning	DMX	Calhoun, Carroll, Greene, Webster	49 min
May 6, 10:50 PM CDT	Special Weather Statement	DMX	Boone, Dallas, Madison, Union	40 min
May 6, 11:27 PM CDT	Flash Flood Warning	OAX	Fremont, Page	4 hr
May 6, 11:56 PM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Van Buren	94 min
May 7, 12:33 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Madison, Warren, Wayne	42 min
May 7, 12:47 AM CDT	Tornado Warning	DMX	Clarke, Decatur, Lucas, Warren	43 min
May 7, 1:21 AM CDT	Tornado Warning	DMX	Jasper, Mahaska, Marion, Polk, Warren	39 min
May 7, 1:26 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Jasper, Lucas, Mahaska, Marion and 6 more	64 min
May 7, 2:17 AM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Keokuk, Van Buren, Washington	58 min
May 7, 2:26 AM CDT	Severe Thunderstorm Warning	DMX	Davis, Grundy, Jasper, Mahaska, Marshall, Monroe and 3 more	49 min
May 7, 2:56 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	49 min
May 7, 3:22 AM CDT	Special Weather Statement	DVN	Henry, Jefferson, Keokuk, Lee, Van Buren, Washington	38 min
May 7, 3:51 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Henry, Johnson, Louisa, Muscatine, Washington	39 min
May 7, 4:26 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Des Moines, Johnson, Louisa, Muscatine and 1 more	45 min
May 7, 5:16 AM CDT	Special Weather Statement	DVN	Clinton, Scott	44 min
May 7, 7:37 AM CDT	River Flood Warning	DMX	Polk	59 hr
May 7, 7:37 AM CDT	River Flood Warning	DMX	Polk	32 hr
May 7, 3:42 PM CDT	Special Weather Statement	DVN	Buchanan	33 min
May 7, 3:51 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	39 min
May 7, 4:30 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	60 min
May 7, 4:58 PM CDT	Special Weather Statement	DVN	Muscatine	47 min
May 7, 5:03 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Winneshiek	42 min
May 7, 5:20 PM CDT	Special Weather Statement	ARX	Clayton	55 min
May 7, 5:24 PM CDT	Mesoscale Discussion	SPC	Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 5 more	96 min
May 7, 5:30 PM CDT	Special Weather Statement	DVN	Dubuque	45 min
May 7, 5:58 PM CDT	Special Weather Statement	DVN	Jackson	47 min
May 7, 6:12 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	18 min
May 7, 6:33 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk, Story	27 min
May 7, 6:45 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Cass, Guthrie	30 min
May 7, 7:54 PM CDT	Special Weather Statement	DVN	Benton, Buchanan	66 min
May 7, 8:33 PM CDT	Special Weather Statement	DVN	Delaware, Linn	57 min
May 7, 8:54 PM CDT	Special Weather Statement	DVN	Cedar, Jones	81 min
May 7, 9:05 PM CDT	Special Weather Statement	DVN	Muscatine	40 min
May 7, 9:23 PM CDT	Special Weather Statement	DVN	Clinton, Dubuque, Jackson	37 min
May 7, 9:34 PM CDT	Special Weather Statement	DVN	Scott	41 min
May 7, 10:02 PM CDT	Special Weather Statement	DVN	Clinton, Dubuque, Jackson	58 min
May 7, 10:04 PM CDT	Special Weather Statement	DVN	Keokuk, Louisa, Washington	41 min
May 8, 9:42 AM CDT	River Flood Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien	4 days
May 8, 2:17 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Carroll, Cherokee, Clay, Crawford, Dickinson and 13 more	88 min
May 8, 4:11 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux	34 min
May 8, 5:32 PM CDT	Special Weather Statement	DMX	Calhoun	43 min
May 8, 5:41 PM CDT	Special Weather Statement	DMX	Greene	49 min
May 8, 6:13 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene, Hamilton, Webster	47 min
May 8, 6:39 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas	51 min
May 8, 6:55 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Hardin, Story	50 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Polk, Story	50 min
May 8, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Hardin, Story	54 min
May 8, 7:59 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall, Story	46 min
May 8, 8:39 PM CDT	River Flood Watch	DVN	Clinton, Scott	24 hr
May 8, 8:53 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Marshall, Tama	52 min
May 8, 9:10 PM CDT	River Flood Watch	DVN	Benton, Iowa	4 days
May 8, 9:10 PM CDT	River Flood Watch	DVN	Louisa, Muscatine	6 days
May 8, 9:20 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Calhoun, Carroll, Greene, Guthrie	40 min
May 8, 9:24 PM CDT	River Flood Warning	DMX	Cerro Gordo, Floyd, Worth	13 hr
May 8, 9:32 PM CDT	River Flood Watch	DMX	Black Hawk	14 hr
May 8, 9:32 PM CDT	River Flood Watch	DMX	Black Hawk, Bremer, Butler	13 hr
May 8, 9:32 PM CDT	River Flood Watch	DMX	Black Hawk	13 hr
May 8, 9:39 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Tama	51 min
May 8, 9:44 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan	61 min
May 8, 10:45 PM CDT	Special Weather Statement	DVN	Buchanan, Linn	45 min
May 8, 10:52 PM CDT	Special Weather Statement	DMX	Boone	23 min
May 8, 11:08 PM CDT	Special Weather Statement	DMX	Story	22 min
May 9, 1:51 AM CDT	Special Weather Statement	DVN	Benton, Iowa, Keokuk	39 min
May 9, 5:58 AM CDT	River Flood Warning	FSD	O'Brien	27 hr
May 9, 11:00 AM CDT	River Flood Watch	DMX	Boone, Hamilton, Webster	10 hr
May 9, 11:24 AM CDT	River Flood Warning	DMX	Black Hawk	21 hr
May 9, 1:11 PM CDT	Tornado Warning Tornado observed	ARX	Floyd	16 min
May 9, 4:44 PM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	16 min
May 9, 8:38 PM CDT	River Flood Warning	DVN	Clinton, Scott	7 days
May 9, 8:45 PM CDT	River Flood Warning	DMX	Boone, Hamilton, Webster	46 hr
May 10, 8:13 AM CDT	River Flood Warning	DMX	Black Hawk, Bremer, Butler	29 hr
May 10, 6:32 PM CDT	Mesoscale Discussion	SPC	Allamakee	58 min
May 12, 2:22 PM CDT	Special Weather Statement	ARX	Chickasaw	23 min
May 12, 2:42 PM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Floyd, Winneshiek	33 min
May 12, 3:15 PM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd	45 min
May 12, 4:02 PM CDT	Special Weather Statement	ARX	Chickasaw, Clayton, Fayette	43 min
May 12, 6:23 PM CDT	Special Weather Statement	ARX	Howard, Mitchell	52 min
May 12, 6:56 PM CDT	Special Weather Statement	ARX	Howard	34 min
May 12, 7:37 PM CDT	Special Weather Statement	DVN	Delaware	38 min
May 13, 10:34 AM CDT	River Flood Watch	DVN	Des Moines, Lee	6 days
May 13, 10:36 AM CDT	River Flood Watch	DVN	Des Moines	6 days
May 13, 5:51 PM CDT	Special Weather Statement	DVN	Lee	39 min
May 14, 9:05 PM CDT	River Flood Warning	DVN	Des Moines	3 days
May 14, 9:05 PM CDT	River Flood Warning	DVN	Des Moines, Lee	3 days
May 15, 4:36 PM CDT	Areal Flood Advisory	OAX	Pottawattamie	114 min
May 15, 4:48 PM CDT	Areal Flood Advisory	OAX	Pottawattamie	2 hr
May 15, 4:53 PM CDT	Flash Flood Warning	OAX	Mills, Pottawattamie	2 hr
May 15, 5:07 PM CDT	Special Weather Statement	OAX	Pottawattamie	38 min
May 17, 2:44 AM CDT	Dense Fog Advisory	DVN	Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more	6 hr
May 19, 6:54 AM CDT	Severe Thunderstorm Warning	OAX	Mills	36 min
May 19, 7:29 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	7 min
May 19, 11:18 AM CDT	Special Weather Statement	DMX	Adair	27 min
May 19, 11:44 AM CDT	Special Weather Statement	DMX	Madison	16 min
May 19, 11:49 AM CDT	Severe Thunderstorm Warning	DMX	Madison	26 min
May 19, 12:14 PM CDT	Special Weather Statement	DMX	Madison	16 min
May 19, 1:05 PM CDT	Special Weather Statement	DMX	Warren	25 min
May 19, 3:27 PM CDT	Special Weather Statement	DMX	Jasper, Marion, Poweshiek	63 min
May 19, 3:33 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion, Poweshiek	42 min
May 19, 4:14 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion, Poweshiek	61 min
May 19, 4:32 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Iowa, Johnson, Jones, Keokuk and 7 more	118 min
May 19, 4:48 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk	42 min
May 19, 5:24 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk	33 min
May 19, 5:55 PM CDT	Mesoscale Discussion	SPC	Adams, Decatur, Fremont, Mills, Montgomery, Page and 3 more	95 min
May 19, 6:17 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	43 min
May 19, 6:25 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Cass, Clarke, Decatur, Fremont and 10 more	8 hr
May 19, 6:49 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Butler, Grundy	41 min
May 19, 6:55 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page, Pottawattamie	50 min
May 19, 7:14 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	42 min
May 19, 7:25 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	35 min
May 19, 7:30 PM CDT	Special Weather Statement	DMX	Cass	30 min
May 19, 7:46 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	44 min
May 19, 7:58 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Audubon, Cass, Guthrie, Madison and 3 more	47 min
May 19, 8:09 PM CDT	Severe Thunderstorm Warning	OAX	Page	36 min
May 19, 8:42 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Dallas, Guthrie, Madison	48 min
May 19, 8:53 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Taylor, Union	52 min
May 19, 10:40 PM CDT	Special Weather Statement	DMX	Adair, Adams, Cass, Guthrie	50 min
May 19, 11:21 PM CDT	Special Weather Statement	DVN	Muscatine	39 min
May 19, 11:28 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine, Scott	32 min
May 19, 11:33 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	27 min
May 19, 11:42 PM CDT	Special Weather Statement	DVN	Iowa, Keokuk	48 min
May 19, 11:54 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Muscatine, Scott	51 min
May 20, 12:08 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Keokuk	32 min
May 20, 12:14 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	27 min
May 20, 12:36 AM CDT	Special Weather Statement	DVN	Buchanan, Linn	24 min
May 20, 12:39 AM CDT	Special Weather Statement	DVN	Johnson	36 min
May 20, 12:40 AM CDT	Special Weather Statement	DVN	Jones	50 min
May 20, 12:44 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jones	46 min
May 20, 12:50 AM CDT	Severe Thunderstorm Warning	DVN	Johnson, Linn	40 min
May 20, 1:11 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Jones, Linn	35 min
May 20, 1:18 AM CDT	Severe Thunderstorm Warning	DVN	Jackson, Jones	26 min
May 20, 1:26 AM CDT	Special Weather Statement	DMX	Appanoose, Lucas, Mahaska, Marion, Monroe	64 min
May 20, 1:36 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Clarke, Lucas, Marion, Monroe, Warren and 1 more	54 min
May 20, 3:30 AM CDT	Special Weather Statement	DVN	Benton, Iowa	45 min
May 20, 7:41 AM CDT	Special Weather Statement	DVN	Dubuque	49 min
May 20, 7:50 AM CDT	Special Weather Statement	DVN	Dubuque	40 min
May 20, 1:45 PM CDT	Flood Watch	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	25 hr
May 20, 1:50 PM CDT	Flood Watch	DMX	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 37 more	29 hr
May 20, 1:52 PM CDT	Flood Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more	27 hr
May 20, 5:54 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Crawford and 21 more	2 hr
May 20, 6:31 PM CDT	Severe Thunderstorm Watch	SPC	Harrison, Monona, Pottawattamie, Shelby	5 hr
May 20, 6:39 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola	36 min
May 20, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cerro Gordo, Cherokee, Clay, Crawford, Dickinson and 19 more	5 hr
May 20, 7:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	O'Brien	32 min
May 20, 7:24 PM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien	51 min
May 20, 7:39 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux	51 min
May 20, 7:43 PM CDT	River Flood Watch	DVN	Benton, Iowa	14 hr
May 20, 7:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista, Clay, O'Brien	47 min
May 20, 7:47 PM CDT	River Flood Watch	DVN	Keokuk	3 hr
May 20, 7:47 PM CDT	River Flood Watch	DVN	Clinton, Scott	3 days
May 20, 8:10 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Buena Vista, Clay	50 min
May 20, 8:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cherokee, O'Brien	44 min
May 20, 8:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Palo Alto, Pocahontas	50 min
May 20, 8:37 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	68 min
May 20, 8:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista, Cherokee	43 min
May 20, 8:48 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	42 min
May 20, 8:58 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola	47 min
May 20, 9:12 PM CDT	River Flood Watch	DMX	Black Hawk	24 hr
May 20, 9:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	37 min
May 20, 9:23 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 20 more	97 min
May 20, 9:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista, Cherokee	64 min
May 20, 9:30 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Winnebago, Worth	22 min
May 20, 9:42 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	48 min
May 20, 9:51 PM CDT	Flash Flood Warning	OAX	Shelby	5 hr
May 20, 10:01 PM CDT	Mesoscale Discussion	SPC	Audubon, Cass, Harrison, Mills, Montgomery, Pottawattamie and 1 more	119 min
May 20, 10:06 PM CDT	Severe Thunderstorm Warning	OAX	Monona	39 min
May 20, 10:17 PM CDT	River Flood Warning	DVN	Keokuk	7 days
May 20, 10:19 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	56 min
May 20, 10:20 PM CDT	Special Weather Statement	DMX	Hancock	25 min
May 20, 10:35 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	25 min
May 20, 10:40 PM CDT	Special Weather Statement	DMX	Palo Alto, Pocahontas	35 min
May 20, 10:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Plymouth	34 min
May 20, 10:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cherokee, Ida, Plymouth, Woodbury	47 min
May 20, 10:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Plymouth	31 min
May 20, 11:02 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto, Pocahontas	28 min
May 20, 11:12 PM CDT	Flash Flood Warning	OAX	Mills, Pottawattamie	3 hr
May 20, 11:14 PM CDT	Tornado Warning	OAX	Pottawattamie	28 min
May 20, 11:16 PM CDT	Flash Flood Warning	DMX	Hancock, Kossuth, Winnebago	6 hr
May 20, 11:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Mills, Pottawattamie	67 min
May 20, 11:30 PM CDT	Special Weather Statement	DMX	Carroll	30 min
May 20, 11:33 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	9 hr
May 20, 11:34 PM CDT	Special Weather Statement	DMX	Guthrie	26 min
May 20, 11:34 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Cherokee, Chickasaw, Clay and 18 more	86 min
May 20, 11:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Pottawattamie, Shelby	40 min
May 20, 11:49 PM CDT	Areal Flood Advisory	OAX	Harrison, Pottawattamie	93 min
May 20, 11:58 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Calhoun, Carroll, Dallas, Greene, Guthrie and 2 more	36 min
May 21, 12:02 AM CDT	Tornado Warning	OAX	Harrison, Pottawattamie	43 min
May 21, 12:06 AM CDT	Special Weather Statement	DMX	Pocahontas	24 min
May 21, 12:10 AM CDT	Special Weather Statement	DMX	Hancock	35 min
May 21, 12:14 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	46 min
May 21, 12:42 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	63 min
May 21, 12:53 AM CDT	Tornado Warning	OAX	Shelby	39 min
May 21, 1:09 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Crawford	66 min
May 21, 1:10 AM CDT	Tornado Warning	OAX	Shelby	25 min
May 21, 1:20 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk	40 min
May 21, 1:31 AM CDT	Flood Watch	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	19 hr
May 21, 1:44 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	61 min
May 21, 1:45 AM CDT	Flood Watch	DVN	Benton, Buchanan, Delaware, Iowa, Johnson, Linn	19 hr
May 21, 2:04 AM CDT	Mesoscale Discussion	SPC	Crawford, Harrison, Mills, Monona, Pottawattamie, Shelby and 1 more	116 min
May 21, 2:15 AM CDT	Special Weather Statement	DMX	Audubon, Guthrie	60 min
May 21, 2:32 AM CDT	Special Weather Statement	DMX	Black Hawk, Tama	28 min
May 21, 2:38 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Butler, Grundy, Hardin	37 min
May 21, 2:38 AM CDT	Wind Advisory	FSD	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	19 hr
May 21, 2:38 AM CDT	Flash Flood Warning	OAX	Harrison, Monona	5 hr
May 21, 2:56 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler	49 min
May 21, 3:09 AM CDT	Flash Flood Warning	DMX	Butler, Franklin, Grundy, Hardin, Wright	8 hr
May 21, 3:17 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Chickasaw, Fayette, Winneshiek	43 min
May 21, 3:22 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford, Sac	38 min
May 21, 3:26 AM CDT	Flash Flood Warning	DMX	Adair, Audubon, Cass, Guthrie	8 hr
May 21, 3:35 AM CDT	Severe Thunderstorm Warning	FSD	Ida	25 min
May 21, 4:12 AM CDT	Special Weather Statement	DMX	Polk	33 min
May 21, 4:22 AM CDT	Flash Flood Warning	DMX	Boone, Dallas, Greene, Guthrie, Jasper, Marshall and 2 more	7 hr
May 21, 5:09 AM CDT	Areal Flood Warning	DMX	Hancock, Kossuth, Winnebago	14 hr
May 21, 5:12 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	48 min
May 21, 5:21 AM CDT	Flash Flood Warning	OAX	Pottawattamie	4 hr
May 21, 5:25 AM CDT	Severe Thunderstorm Warning	DMX	Poweshiek, Tama	50 min
May 21, 5:39 AM CDT	Tornado Warning	OAX	Harrison, Monona	36 min
May 21, 5:41 AM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Harrison, Monona	49 min
May 21, 5:45 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison	45 min
May 21, 5:46 AM CDT	Areal Flood Advisory	OAX	Harrison, Monona, Pottawattamie, Shelby	113 min
May 21, 5:49 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Monona	41 min
May 21, 5:51 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Poweshiek, Tama	39 min
May 21, 5:51 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Cass and 32 more	114 min
May 21, 5:53 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	52 min
May 21, 5:53 AM CDT	Tornado Warning	OAX	Harrison, Pottawattamie	37 min
May 21, 6:05 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	25 min
May 21, 6:11 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Monona, Shelby	49 min
May 21, 6:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Mills, Montgomery, Pottawattamie, Shelby	45 min
May 21, 6:15 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 45 more	7 hr
May 21, 6:18 AM CDT	Severe Thunderstorm Warning	DMX	Poweshiek, Tama	42 min
May 21, 6:21 AM CDT	Severe Thunderstorm Warning	DVN	Benton	39 min
May 21, 6:26 AM CDT	Flash Flood Warning	DMX	Jasper, Marshall, Poweshiek, Tama	5 hr
May 21, 6:26 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cherokee, Ida, Plymouth, Woodbury	34 min
May 21, 6:28 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Carroll, Crawford, Sac	47 min
May 21, 6:36 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cherokee, Ida, Woodbury	24 min
May 21, 6:41 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	49 min
May 21, 6:45 AM CDT	Tornado Warning	OAX	Pottawattamie	30 min
May 21, 6:51 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Cass, Crawford, Guthrie	54 min
May 21, 6:51 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Linn	28 min
May 21, 6:54 AM CDT	Tornado Warning	OAX	Fremont, Mills, Montgomery, Page	36 min
May 21, 7:04 AM CDT	Tornado Warning	OAX	Fremont, Page	26 min
May 21, 7:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Cass	23 min
May 21, 7:08 AM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Pottawattamie	22 min
May 21, 7:11 AM CDT	Flash Flood Warning	OAX	Harrison, Pottawattamie, Shelby	4 hr
May 21, 7:11 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Mills, Montgomery, Pottawattamie	34 min
May 21, 7:24 AM CDT	Tornado Warning	DMX	Adair, Cass	36 min
May 21, 7:29 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Audubon, Cass, Guthrie	46 min
May 21, 7:30 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Montgomery, Page	15 min
May 21, 7:33 AM CDT	Areal Flood Warning	OAX	Harrison, Pottawattamie, Shelby	10 hr
May 21, 7:35 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass, Taylor	40 min
May 21, 7:45 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	15 min
May 21, 8:05 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Dallas, Guthrie, Madison	55 min
May 21, 8:41 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Dallas, Madison, Polk, Warren	64 min
May 21, 8:46 AM CDT	Special Weather Statement	DVN	Jones	44 min
May 21, 8:55 AM CDT	River Flood Warning	FSD	O'Brien, Sioux	51 hr
May 21, 8:55 AM CDT	River Flood Warning	FSD	Clay	24 days
May 21, 8:55 AM CDT	River Flood Warning	FSD	Clay	5 days
May 21, 8:57 AM CDT	Flash Flood Warning	DMX	Black Hawk, Bremer, Grundy, Hardin, Marshall, Tama	2 hr
May 21, 9:26 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion, Marshall, Polk, Poweshiek and 2 more	64 min
May 21, 9:29 AM CDT	Mesoscale Discussion	SPC	Benton, Cedar, Clinton, Delaware, Dubuque, Henry and 23 more	91 min
May 21, 9:40 AM CDT	River Flood Warning	DVN	Benton, Iowa	14 days
May 21, 10:03 AM CDT	River Flood Warning	OAX	Pottawattamie	49 hr
May 21, 10:03 AM CDT	River Flood Warning	OAX	Fremont, Mills	62 hr
May 21, 10:03 AM CDT	River Flood Warning	OAX	Mills	55 hr
May 21, 10:03 AM CDT	River Flood Warning	OAX	Fremont	57 hr
May 21, 10:09 AM CDT	River Flood Warning	DMX	Cass	15 hr
May 21, 10:27 AM CDT	Mesoscale Discussion	SPC	Cherokee, Crawford, Fremont, Harrison, Ida, Mills and 5 more	2 hr
May 21, 10:54 AM CDT	Special Weather Statement	DVN	Benton, Buchanan, Delaware, Dubuque, Linn	51 min
May 21, 10:56 AM CDT	River Flood Watch	DVN	Cedar, Jones, Linn	6 days
May 21, 11:10 AM CDT	Tornado Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Fremont, Harrison and 13 more	5 hr
May 21, 11:14 AM CDT	River Flood Watch	DMX	Polk	4 days
May 21, 11:14 AM CDT	River Flood Watch	DMX	Webster	9 hr
May 21, 11:14 AM CDT	River Flood Watch	DMX	Polk	5 days
May 21, 11:14 AM CDT	River Flood Watch	DMX	Dallas, Greene	4 days
May 21, 11:14 AM CDT	River Flood Watch	DMX	Boone, Hamilton, Webster	47 hr
May 21, 11:14 AM CDT	River Flood Warning	DMX	Tama	8 days
May 21, 11:14 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion, Poweshiek	46 min
May 21, 11:16 AM CDT	Areal Flood Warning	DMX	Black Hawk, Bremer, Butler, Franklin, Grundy, Hardin and 6 more	24 hr
May 21, 11:24 AM CDT	River Flood Watch	ARX	Clayton	18 hr
May 21, 11:24 AM CDT	River Flood Warning	ARX	Winneshiek	29 hr
May 21, 11:24 AM CDT	River Flood Warning	ARX	Clayton	53 hr
May 21, 11:42 AM CDT	Special Weather Statement	ARX	Chickasaw, Clayton, Fayette, Howard, Mitchell, Winneshiek	48 min
May 21, 11:51 AM CDT	Severe Thunderstorm Warning	DVN	Iowa	54 min
May 21, 11:54 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Poweshiek	21 min
May 21, 12:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison	44 min
May 21, 12:30 PM CDT	Special Weather Statement	ARX	Allamakee, Howard, Winneshiek	45 min
May 21, 12:32 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 70 more	118 min
May 21, 12:34 PM CDT	Flash Flood Warning	DVN	Iowa	4 hr
May 21, 12:43 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Johnson, Linn	29 min
May 21, 12:50 PM CDT	Tornado Warning	OAX	Harrison	19 min
May 21, 12:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Monona	61 min
May 21, 1:14 PM CDT	Tornado Watch PDS	SPC	Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 74 more	8 hr
May 21, 1:15 PM CDT	Tornado Warning	OAX	Fremont	45 min
May 21, 1:16 PM CDT	Special Weather Statement	DVN	Johnson, Jones, Linn	59 min
May 21, 1:16 PM CDT	River Flood Warning	OAX	Montgomery	18 hr
May 21, 1:16 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	59 min
May 21, 1:27 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	33 min
May 21, 1:34 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	26 min
May 21, 1:38 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	52 min
May 21, 1:38 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	37 min
May 21, 1:43 PM CDT	Tornado Warning	OAX	Fremont, Mills	47 min
May 21, 1:47 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Montgomery, Page	43 min
May 21, 1:48 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Woodbury	27 min
May 21, 1:59 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	12 min
May 21, 2:10 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie, Shelby	50 min
May 21, 2:11 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Ida	34 min
May 21, 2:11 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	49 min
May 21, 2:15 PM CDT	Tornado Warning	OAX	Fremont, Mills, Montgomery, Page	45 min
May 21, 2:18 PM CDT	Severe Thunderstorm Warning	DMX	Sac	29 min
May 21, 2:28 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Audubon, Cass	62 min
May 21, 2:30 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Calhoun, Carroll, Crawford, Sac	45 min
May 21, 2:38 PM CDT	Tornado Warning	OAX	Montgomery, Page	30 min
May 21, 2:42 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien	19 min
May 21, 2:52 PM CDT	Tornado Warning	DMX	Adams, Cass	18 min
May 21, 2:52 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jones	43 min
May 21, 2:55 PM CDT	Tornado Warning	DMX	Adair, Adams, Cass, Union	50 min
May 21, 2:57 PM CDT	Flash Flood Warning	DMX	Adair, Audubon, Carroll, Cass, Crawford, Greene and 1 more	6 hr
May 21, 3:07 PM CDT	Tornado Warning	DMX	Adair, Adams, Madison, Taylor, Union	53 min
May 21, 3:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Audubon, Boone, Calhoun, Carroll, Greene, Guthrie and 1 more	49 min
May 21, 3:13 PM CDT	Tornado Warning	DMX	Audubon, Cass, Greene, Guthrie	22 min
May 21, 3:20 PM CDT	River Flood Warning	DMX	Polk	7 hr
May 21, 3:20 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Clarke, Dallas, Madison, Marion and 3 more	85 min
May 21, 3:26 PM CDT	River Flood Warning	DMX	Polk	4 days
May 21, 3:26 PM CDT	River Flood Warning	DMX	Polk	4 days
May 21, 3:26 PM CDT	Tornado Warning Tornado observed	DMX	Adair, Adams, Madison, Union	49 min
May 21, 3:28 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	33 min
May 21, 3:31 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DMX	Boone, Greene, Hamilton, Webster, Wright	44 min
May 21, 3:33 PM CDT	Tornado Warning	DMX	Ringgold, Taylor, Union	42 min
May 21, 3:35 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DMX	Adair, Dallas, Guthrie, Madison	40 min
May 21, 3:40 PM CDT	Tornado Warning Tornado observed	DMX	Adair, Adams, Dallas, Madison, Ringgold, Union	50 min
May 21, 3:55 PM CDT	Tornado Warning	DMX	Clarke, Madison, Ringgold, Union, Warren	50 min
May 21, 3:58 PM CDT	Tornado Warning	DMX	Clarke, Decatur, Lucas, Ringgold, Union, Warren	47 min
May 21, 4:01 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene, Guthrie, Hamilton, Webster	44 min
May 21, 4:03 PM CDT	Tornado Warning	DMX	Boone, Hamilton, Webster	42 min
May 21, 4:11 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Clarke, Dallas, Decatur, Lucas, Madison and 4 more	64 min
May 21, 4:11 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago, Worth	49 min
May 21, 4:15 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Worth, Wright	45 min
May 21, 4:19 PM CDT	Tornado Warning	DMX	Boone, Dallas, Polk, Story	41 min
May 21, 4:25 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Franklin, Grundy, Hamilton, Hardin, Marshall and 2 more	50 min
May 21, 4:30 PM CDT	Tornado Warning	DMX	Jasper, Madison, Polk, Warren	45 min
May 21, 4:43 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Jasper, Marion, Marshall, Polk and 2 more	47 min
May 21, 4:46 PM CDT	Tornado Warning	DMX	Franklin, Grundy, Hamilton, Hardin	17 min
May 21, 4:48 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DMX	Hardin, Marshall, Polk, Story	31 min
May 21, 4:50 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Cerro Gordo, Franklin, Grundy, Hardin	40 min
May 21, 4:53 PM CDT	Tornado Warning	DMX	Appanoose, Lucas, Monroe, Wayne	52 min
May 21, 5:03 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Floyd, Mitchell	57 min
May 21, 5:03 PM CDT	Tornado Warning	DMX	Jasper, Marshall	27 min
May 21, 5:03 PM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 29 more	87 min
May 21, 5:09 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 11 more	96 min
May 21, 5:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Jasper, Marshall, Poweshiek, Tama	60 min
May 21, 5:17 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Lucas, Mahaska, Marion, Poweshiek, Warren	58 min
May 21, 5:17 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler, Franklin, Grundy, Hardin and 1 more	58 min
May 21, 5:21 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	39 min
May 21, 5:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Chickasaw, Howard	66 min
May 21, 5:28 PM CDT	Tornado Warning	DMX	Mahaska, Marion, Monroe, Wapello	47 min
May 21, 5:29 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Marshall, Tama	61 min
May 21, 5:41 PM CDT	Tornado Warning	DMX	Black Hawk, Tama	34 min
May 21, 5:41 PM CDT	Tornado Warning	DMX	Bremer, Butler, Grundy	22 min
May 21, 5:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Buchanan	47 min
May 21, 5:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Black Hawk, Bremer	42 min
May 21, 5:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Winneshiek	39 min
May 21, 5:54 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jones	51 min
May 21, 5:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henry, Jefferson, Van Buren, Washington	33 min
May 21, 5:58 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Poweshiek, Tama	47 min
May 21, 6:02 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Jones	43 min
May 21, 6:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Des Moines, Henry, Lee, Louisa, Van Buren	25 min
May 21, 6:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Fayette	46 min
May 21, 6:17 PM CDT	Severe Thunderstorm Warning	DMX	Davis, Wapello	28 min
May 21, 6:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Iowa, Johnson, Keokuk	42 min
May 21, 6:24 PM CDT	Flash Flood Warning	ARX	Fayette, Winneshiek	3 hr
May 21, 6:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Buchanan, Delaware, Linn	51 min
May 21, 6:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Allamakee, Winneshiek	62 min
May 21, 6:29 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	31 min
May 21, 6:32 PM CDT	Tornado Warning	DVN	Benton, Buchanan	28 min
May 21, 6:38 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Johnson, Louisa, Muscatine, Scott	52 min
May 21, 6:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Allamakee, Clayton, Winneshiek	52 min
May 21, 6:43 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	47 min
May 21, 6:44 PM CDT	Areal Flood Warning	DMX	Hancock, Kossuth, Winnebago	15 hr
May 21, 6:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Jackson	43 min
May 21, 6:49 PM CDT	Flash Flood Warning	ARX	Allamakee, Winneshiek	3 hr
May 21, 6:49 PM CDT	Tornado Warning	ARX	Allamakee, Clayton, Fayette, Winneshiek	15 min
May 21, 6:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Buchanan, Delaware, Johnson, Jones, Linn	38 min
May 21, 6:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Clinton, Jackson, Jones	50 min
May 21, 7:11 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Delaware, Dubuque, Jackson, Johnson, Jones and 1 more	49 min
May 21, 7:13 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Muscatine, Scott	47 min
May 21, 7:23 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Lee, Van Buren	24 min
May 21, 7:27 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Clinton, Dubuque, Jackson	48 min
May 21, 7:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Muscatine	18 min
May 21, 7:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Delaware, Dubuque, Jones, Linn	45 min
May 21, 7:38 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DVN	Cedar, Muscatine, Scott	22 min
May 21, 7:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Clayton	42 min
May 21, 7:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Dubuque	16 min
May 21, 7:53 PM CDT	River Flood Warning	DMX	Webster	4 days
May 21, 7:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Clinton, Jackson, Jones, Scott	50 min
May 21, 8:05 PM CDT	River Flood Warning	DMX	Humboldt, Kossuth	66 hr
May 21, 8:08 PM CDT	River Flood Warning	OAX	Fremont	10 hr
May 21, 8:31 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Dubuque, Jackson	44 min
May 21, 8:36 PM CDT	River Flood Watch	DVN	Louisa, Muscatine	37 hr
May 21, 8:43 PM CDT	River Flood Warning	DMX	Black Hawk	61 hr
May 21, 8:50 PM CDT	River Flood Warning	DMX	Marshall	58 hr
May 21, 9:30 PM CDT	River Flood Warning	FSD	Clay	21 days
May 22, 12:12 AM CDT	River Flood Warning	FSD	Cherokee	6 days
May 22, 4:30 AM CDT	River Flood Warning	DMX	Black Hawk, Butler	29 hr
May 22, 5:13 AM CDT	River Flood Warning	ARX	Clayton	29 hr
May 22, 10:57 AM CDT	River Flood Warning	DVN	Johnson, Washington	10 hr
May 22, 11:04 AM CDT	Areal Flood Warning	DMX	Butler	12 hr
May 22, 11:10 AM CDT	River Flood Warning	DMX	Black Hawk	71 hr
May 22, 11:10 AM CDT	River Flood Warning	DMX	Black Hawk, Bremer, Butler	32 hr
May 22, 12:25 PM CDT	River Flood Warning	DVN	Cedar, Jones, Linn	10 days
May 22, 7:03 PM CDT	River Flood Watch	DVN	Linn	15 hr
May 22, 8:57 PM CDT	River Flood Warning	DMX	Black Hawk	40 hr
May 23, 9:42 AM CDT	River Flood Warning	DVN	Cedar	4 days
May 23, 9:45 AM CDT	River Flood Warning	DVN	Louisa, Muscatine	11 days
May 23, 9:49 AM CDT	River Flood Warning	DVN	Linn	3 days
May 23, 9:51 AM CDT	River Flood Watch	DVN	Cedar, Johnson, Muscatine	31 hr
May 23, 9:55 AM CDT	River Flood Watch	DVN	Louisa	7 days
May 23, 9:55 AM CDT	River Flood Watch	DVN	Louisa	7 days
May 23, 10:01 AM CDT	River Flood Warning	DMX	Boone, Hamilton, Webster	3 days
May 23, 10:49 AM CDT	River Flood Watch	DMX	Humboldt	15 hr
May 23, 11:09 AM CDT	River Flood Watch	DVN	Des Moines	57 hr
May 23, 11:09 AM CDT	River Flood Watch	DVN	Des Moines, Lee	57 hr
May 23, 3:30 PM CDT	Flood Watch	OAX	Harrison, Monona, Pottawattamie, Shelby	12 hr
May 23, 8:43 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Harrison, Ida, Monona and 6 more	7 hr
May 23, 9:08 PM CDT	River Flood Warning	DVN	Clinton, Scott	15 days
May 23, 9:16 PM CDT	River Flood Watch	DVN	Des Moines, Louisa	47 hr
May 23, 10:07 PM CDT	River Flood Watch	DVN	Des Moines, Henry, Lee	4 days
May 23, 10:38 PM CDT	Mesoscale Discussion	SPC	Audubon, Cherokee, Crawford, Fremont, Harrison, Ida and 7 more	2 hr
May 24, 1:15 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 30 more	2 hr
May 24, 1:20 AM CDT	Severe Thunderstorm Warning	OAX	Monona	40 min
May 24, 1:33 AM CDT	Severe Thunderstorm Watch	SPC	Fremont, Mills, Montgomery, Page	4 hr
May 24, 1:53 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Pottawattamie	52 min
May 24, 1:57 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	48 min
May 24, 1:59 AM CDT	Special Weather Statement	DMX	Calhoun	31 min
May 24, 2:00 AM CDT	Tornado Warning	OAX	Harrison, Pottawattamie	45 min
May 24, 2:05 AM CDT	Tornado Warning	OAX	Harrison, Monona	40 min
May 24, 2:11 AM CDT	Tornado Warning	OAX	Monona	35 min
May 24, 2:25 AM CDT	Flood Watch	DMX	Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 30 more	14 hr
May 24, 2:28 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	47 min
May 24, 2:29 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	31 min
May 24, 2:31 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe, Wapello	59 min
May 24, 2:31 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Monona, Shelby	44 min
May 24, 2:32 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Page	43 min
May 24, 2:35 AM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	40 min
May 24, 2:38 AM CDT	Flood Watch	ARX	Chickasaw, Clayton, Fayette, Floyd	13 hr
May 24, 2:38 AM CDT	Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more	13 hr
May 24, 2:39 AM CDT	Tornado Warning	OAX	Harrison, Monona, Pottawattamie, Shelby	31 min
May 24, 2:44 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 60 more	7 hr
May 24, 2:52 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	23 min
May 24, 2:55 AM CDT	Special Weather Statement	DMX	Clarke, Decatur, Lucas, Monroe, Wayne	50 min
May 24, 3:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Adams, Audubon, Calhoun, Carroll, Cass and 6 more	53 min
May 24, 3:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	38 min
May 24, 3:09 AM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	23 min
May 24, 3:12 AM CDT	Severe Thunderstorm Warning	OAX	Fremont	48 min
May 24, 3:13 AM CDT	Severe Thunderstorm Warning	FSD	Dickinson	17 min
May 24, 3:18 AM CDT	Tornado Warning	DMX	Adair, Adams, Cass	42 min
May 24, 3:25 AM CDT	Tornado Warning	DMX	Audubon, Carroll, Crawford, Guthrie	25 min
May 24, 3:26 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Wayne	49 min
May 24, 3:37 AM CDT	Tornado Warning	DMX	Decatur, Lucas, Wayne	23 min
May 24, 3:37 AM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Keokuk, Washington	38 min
May 24, 3:42 AM CDT	Tornado Warning	DMX	Audubon, Cass, Greene, Guthrie	33 min
May 24, 3:42 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Montgomery, Page	33 min
May 24, 3:44 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Clarke, Lucas, Marion, Warren	46 min
May 24, 3:46 AM CDT	Severe Thunderstorm Warning	DMX	Wapello	8 min
May 24, 3:54 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 40 more	2 hr
May 24, 3:56 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 12 more	49 min
May 24, 3:58 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	32 min
May 24, 4:00 AM CDT	Tornado Warning	DMX	Lucas, Monroe, Wayne	30 min
May 24, 4:00 AM CDT	Tornado Warning	DMX	Cass, Dallas, Guthrie	30 min
May 24, 4:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Lucas, Marion, Monroe, Wayne	50 min
May 24, 4:11 AM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk, Louisa, Washington	49 min
May 24, 4:14 AM CDT	Tornado Warning	DMX	Boone, Dallas, Greene, Guthrie	31 min
May 24, 4:18 AM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto, Pocahontas	42 min
May 24, 4:18 AM CDT	Tornado Warning	DMX	Adair, Dallas, Madison	27 min
May 24, 4:21 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Clarke, Lucas, Madison, Union, Warren	39 min
May 24, 4:25 AM CDT	Special Weather Statement	ARX	Chickasaw	35 min
May 24, 4:28 AM CDT	Tornado Warning	DMX	Boone, Dallas, Greene, Guthrie, Polk	32 min
May 24, 4:35 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	40 min
May 24, 4:40 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Calhoun, Dallas, Greene, Hamilton, Hardin and 8 more	50 min
May 24, 4:41 AM CDT	Tornado Warning	DMX	Boone, Dallas, Polk, Story	34 min
May 24, 4:46 AM CDT	Tornado Warning	DMX	Boone, Dallas, Polk, Story	44 min
May 24, 4:47 AM CDT	Severe Thunderstorm Warning	DVN	Louisa, Muscatine, Washington	43 min
May 24, 4:51 AM CDT	Severe Thunderstorm Warning	DMX	Emmet, Hancock, Humboldt, Kossuth, Palo Alto, Pocahontas and 3 more	39 min
May 24, 4:56 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Clarke, Jasper, Lucas, Mahaska, Marion, Monroe and 2 more	49 min
May 24, 4:59 AM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Marion, Monroe	46 min
May 24, 5:01 AM CDT	Severe Thunderstorm Warning	DVN	Jones, Linn	44 min
May 24, 5:04 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Black Hawk, Bremer	56 min
May 24, 5:04 AM CDT	Tornado Warning Tornado observed	DMX	Jasper, Mahaska, Marion, Polk, Poweshiek, Warren	41 min
May 24, 5:09 AM CDT	Tornado Warning	DMX	Hardin, Marshall, Story	36 min
May 24, 5:15 AM CDT	Tornado Warning	DMX	Jasper, Marshall, Polk, Story	23 min
May 24, 5:16 AM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk	59 min
May 24, 5:17 AM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 38 more	118 min
May 24, 5:18 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Franklin, Grundy, Hamilton, Hardin, Jasper and 6 more	57 min
May 24, 5:19 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Humboldt, Kossuth, Winnebago and 2 more	56 min
May 24, 5:31 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Jasper, Lucas, Mahaska, Marion, Monroe, Poweshiek and 1 more	59 min
May 24, 5:32 AM CDT	Tornado Warning	DMX	Jasper, Mahaska, Marion, Poweshiek	43 min
May 24, 5:47 AM CDT	Special Weather Statement	ARX	Chickasaw, Floyd, Mitchell	43 min
May 24, 5:54 AM CDT	Tornado Warning	DVN	Iowa, Keokuk, Washington	51 min
May 24, 5:57 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler, Franklin, Grundy, Hardin and 4 more	50 min
May 24, 6:00 AM CDT	Tornado Warning	DMX	Mahaska, Poweshiek	20 min
May 24, 6:01 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd, Howard, Mitchell	44 min
May 24, 6:05 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Iowa, Jefferson, Johnson, Keokuk, Washington	40 min
May 24, 6:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Cerro Gordo, Worth	23 min
May 24, 6:07 AM CDT	Severe Thunderstorm Watch	SPC	Chickasaw, Clayton, Clinton, Fayette, Floyd, Jackson and 1 more	9 hr
May 24, 6:13 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Linn	47 min
May 24, 6:29 AM CDT	Tornado Warning	DVN	Iowa, Johnson, Louisa, Washington	46 min
May 24, 6:31 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Fayette, Howard, Winneshiek	44 min
May 24, 6:38 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 6 more	67 min
May 24, 6:45 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Cedar, Delaware, Dubuque, Jones and 1 more	60 min
May 24, 7:02 AM CDT	Tornado Warning	DVN	Cedar, Johnson, Jones, Linn, Muscatine	43 min
May 24, 7:08 AM CDT	Tornado Warning	DVN	Delaware, Dubuque, Jones, Linn	52 min
May 24, 7:13 AM CDT	Special Weather Statement	ARX	Allamakee	32 min
May 24, 7:32 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Clinton, Des Moines, Louisa, Muscatine, Scott	58 min
May 24, 7:32 AM CDT	River Flood Warning	FSD	Dickinson	19 days
May 24, 7:39 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Delaware, Dubuque, Jackson, Jones	66 min
May 24, 7:39 AM CDT	Tornado Warning	DVN	Cedar, Clinton, Jackson, Jones, Scott	51 min
May 24, 7:42 AM CDT	Severe Thunderstorm Warning	ARX	Clayton	63 min
May 24, 7:42 AM CDT	Special Weather Statement	DMX	Decatur, Lucas, Mahaska, Monroe, Wayne	93 min
May 24, 7:54 AM CDT	Tornado Warning	DVN	Dubuque, Jackson	36 min
May 24, 8:00 AM CDT	Tornado Warning	DVN	Clinton, Jackson, Scott	45 min
May 24, 8:26 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	64 min
May 24, 8:27 AM CDT	Tornado Warning	DVN	Jackson	48 min
May 24, 8:37 AM CDT	Tornado Warning	DVN	Clinton, Jackson	53 min
May 24, 8:43 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	47 min
May 24, 9:07 AM CDT	River Flood Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien	6 days
May 24, 10:03 AM CDT	Severe Thunderstorm Warning	DVN	Lee	42 min
May 24, 10:42 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Louisa, Muscatine	22 min
May 24, 11:00 AM CDT	River Flood Warning	DMX	Polk	24 hr
May 24, 11:00 AM CDT	River Flood Warning	DMX	Humboldt	62 hr
May 24, 12:45 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	32 min
May 24, 1:39 PM CDT	Special Weather Statement	DVN	Dubuque	21 min
May 24, 2:06 PM CDT	Special Weather Statement	DVN	Dubuque	9 min
May 24, 2:33 PM CDT	Special Weather Statement	DVN	Dubuque, Jones	42 min
May 24, 2:39 PM CDT	Severe Thunderstorm Watch	SPC	Des Moines, Henry, Jefferson, Lee, Van Buren	10 hr
May 24, 2:48 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson, Jones	42 min
May 24, 3:53 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Muscatine, Scott	32 min
May 24, 4:36 PM CDT	River Flood Warning	FSD	Clay	19 days
May 24, 4:45 PM CDT	River Flood Warning	DVN	Louisa	10 days
May 24, 4:45 PM CDT	River Flood Warning	DVN	Louisa	10 days
May 24, 4:56 PM CDT	River Flood Warning	DVN	Cedar, Johnson, Muscatine	4 days
May 24, 5:06 PM CDT	Special Weather Statement	DVN	Clinton, Scott	39 min
May 24, 5:30 PM CDT	Special Weather Statement	DVN	Scott	45 min
May 24, 9:00 PM CDT	River Flood Warning	DMX	Emmet	37 hr
May 25, 11:04 AM CDT	River Flood Watch	DMX	Davis, Wapello	23 hr
May 25, 8:05 PM CDT	River Flood Watch	DVN	Lee	14 hr
May 25, 8:33 PM CDT	River Flood Warning	DVN	Des Moines	21 days
May 25, 8:33 PM CDT	River Flood Warning	DVN	Des Moines, Lee	21 days
May 25, 8:33 PM CDT	River Flood Warning	DVN	Des Moines, Louisa	15 days
May 25, 9:25 PM CDT	River Flood Watch	DMX	Black Hawk	14 hr
May 25, 9:46 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Page, Taylor	4 hr
May 25, 11:53 PM CDT	High Wind Warning	OAX	Fremont, Mills, Pottawattamie	67 min
May 26, 12:07 AM CDT	Special Weather Statement	DMX	Crawford	38 min
May 26, 12:18 AM CDT	Special Weather Statement	DMX	Polk	27 min
May 26, 12:39 AM CDT	Severe Thunderstorm Warning	OAX	Monona	21 min
May 26, 1:35 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	40 min
May 26, 1:38 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe, Wapello	37 min
May 26, 2:18 AM CDT	Special Weather Statement	DVN	Des Moines, Henry, Louisa	42 min
May 26, 2:35 AM CDT	Special Weather Statement	DMX	Black Hawk, Bremer, Butler, Grundy, Jasper, Mahaska and 3 more	55 min
May 26, 3:01 AM CDT	Special Weather Statement	DVN	Benton, Iowa	44 min
May 26, 3:22 AM CDT	Special Weather Statement	DVN	Linn	38 min
May 26, 3:49 AM CDT	Special Weather Statement	ARX	Clayton, Fayette	56 min
May 26, 3:54 AM CDT	Special Weather Statement	DVN	Buchanan	51 min
May 26, 11:11 AM CDT	River Flood Watch	DVN	Louisa	48 hr
May 26, 4:53 PM CDT	Special Weather Statement	DMX	Audubon	22 min
May 26, 5:34 PM CDT	Severe Thunderstorm Warning	OAX	Mills	28 min
May 26, 6:19 PM CDT	Special Weather Statement	DMX	Adair	26 min
May 26, 6:29 PM CDT	Special Weather Statement	DMX	Cass	16 min
May 26, 6:38 PM CDT	Severe Thunderstorm Warning	DMX	Adair	21 min
May 26, 6:49 PM CDT	Special Weather Statement	DMX	Adams	26 min
May 26, 6:58 PM CDT	Special Weather Statement	DMX	Union	17 min
May 26, 7:03 PM CDT	Severe Thunderstorm Warning	DMX	Adams	27 min
May 26, 7:30 PM CDT	Special Weather Statement	DMX	Union	15 min
May 26, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	24 min
May 26, 7:40 PM CDT	Special Weather Statement	DMX	Ringgold	20 min
May 26, 7:56 PM CDT	Special Weather Statement	DMX	Decatur, Ringgold	19 min
May 26, 8:14 PM CDT	Special Weather Statement	DMX	Decatur, Ringgold	31 min
May 26, 8:40 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	20 min
May 27, 6:34 AM CDT	River Flood Warning	DVN	Buchanan, Linn	26 hr
May 27, 1:10 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 50 more	95 min
May 27, 2:48 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Linn	42 min
May 27, 3:02 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Tama	28 min
May 27, 3:29 PM CDT	Severe Thunderstorm Warning	DVN	Jones, Linn	46 min
May 27, 3:43 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk	47 min
May 27, 4:04 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Delaware, Linn	41 min
May 27, 4:09 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Jones, Linn	51 min
May 27, 4:41 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jones, Linn	49 min
May 27, 4:53 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jones, Scott	52 min
May 27, 5:10 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Davis, Delaware, Des Moines, Dubuque and 15 more	2 hr
May 27, 5:21 PM CDT	Special Weather Statement	DVN	Van Buren	39 min
May 27, 5:23 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Jones	15 min
May 27, 5:38 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	34 min
May 27, 5:40 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	50 min
May 27, 5:43 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	47 min
May 28, 10:56 AM CDT	River Flood Warning	DVN	Louisa	10 days
May 28, 1:02 PM CDT	Mesoscale Discussion	SPC	Allamakee, Clayton, Delaware, Dubuque, Jackson	3 hr
May 28, 5:06 PM CDT	Special Weather Statement	DVN	Scott	39 min
May 28, 5:10 PM CDT	Special Weather Statement	DVN	Johnson	35 min
May 28, 5:52 PM CDT	Special Weather Statement	DVN	Clinton, Scott	38 min
May 31, 2:32 PM CDT	Flash Flood Warning	DMX	Emmet	6 hr
May 31, 6:51 PM CDT	Areal Flood Warning	FSD	Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more	6 hr

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	275
Tornado Warning	83
Severe Thunderstorm Watch	11
Tornado Watch	4
Mesoscale Discussion	31
Special Weather Statement	99
Flooding
Areal Flood Warning	8
Flash Flood Warning	19
River Flood Warning	74
Flood Watch	11
River Flood Watch	35
Areal Flood Advisory	4
Wind and dust
High Wind Warning	1
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	5

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 2023 2025

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.