Alert archive / Iowa / 2012

Weather alerts in Iowa, May 2012

334 weather alerts in May 2012, 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 2012. Tap one for its archive.

Alerts: 334
Warnings: 214
Watches: 33
Advisories: 6
Busiest day: May 4, 201269 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 1, 2:30 PM CDT	Mesoscale Discussion	SPC	Cherokee, Clay, Dickinson, Emmet, Lyon, O'Brien and 4 more	60 min
May 1, 2:59 PM CDT	Tornado Watch	SPC	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	6 hr
May 1, 4:58 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Ida, Monona, Plymouth, Woodbury	4 hr
May 1, 6:11 PM CDT	Mesoscale Discussion	SPC	Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more	94 min
May 1, 7:12 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	33 min
May 1, 7:27 PM CDT	Tornado Warning	FSD	Lyon, Sioux	33 min
May 1, 7:30 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Harrison, Ida, Monona, Plymouth and 1 more	2 hr
May 1, 7:41 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	34 min
May 1, 7:57 PM CDT	Tornado Warning	FSD	Lyon	33 min
May 1, 8:09 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	36 min
May 1, 8:40 PM CDT	Flash Flood Warning	FSD	Lyon	3 hr
May 1, 9:15 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien, Plymouth, Sioux	30 min
May 1, 9:18 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Audubon, Black Hawk, Boone, Buena Vista and 54 more	7 hr
May 1, 9:22 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Osceola	38 min
May 1, 9:29 PM CDT	Tornado Warning	FSD	Clay, O'Brien	46 min
May 1, 9:41 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, O'Brien, Osceola	34 min
May 1, 9:44 PM CDT	Tornado Warning	FSD	Clay	31 min
May 1, 9:59 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	46 min
May 1, 10:13 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Clay, Dickinson	17 min
May 1, 10:45 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Palo Alto	45 min
May 1, 11:08 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 47 more	2 hr
May 1, 11:24 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Webster, Wright	51 min
May 1, 11:35 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	25 min
May 1, 11:51 PM CDT	Special Weather Statement	OAX	Harrison, Pottawattamie	39 min
May 2, 12:01 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford, Sac	44 min
May 2, 12:38 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford, Greene, Sac	52 min
May 2, 1:02 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Guthrie	43 min
May 2, 1:07 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Carroll, Dallas, Greene, Guthrie	38 min
May 2, 1:24 AM CDT	Tornado Warning	DMX	Boone	36 min
May 2, 1:26 AM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	30 min
May 2, 1:27 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Story, Webster	48 min
May 2, 1:39 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Polk, Story	51 min
May 2, 1:42 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	33 min
May 2, 1:47 AM CDT	Tornado Warning	DMX	Boone, Hamilton, Hardin, Story	28 min
May 2, 1:53 AM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	52 min
May 2, 2:02 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 22 more	58 min
May 2, 2:04 AM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall, Story	41 min
May 2, 2:37 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Marshall, Tama	36 min
May 2, 3:10 AM CDT	Special Weather Statement	OAX	Shelby	35 min
May 2, 3:18 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion, Poweshiek	15 min
May 2, 4:22 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Dubuque, Jackson, Jones	38 min
May 2, 4:26 AM CDT	Severe Thunderstorm Warning	DVN	Johnson, Louisa, Muscatine, Scott	49 min
May 2, 3:34 PM CDT	Mesoscale Discussion	SPC	Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more	86 min
May 2, 3:46 PM CDT	Flash Flood Watch	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 1 more	12 hr
May 2, 3:47 PM CDT	Flash Flood Watch	ARX	Chickasaw, Clayton, Fayette, Floyd	12 hr
May 2, 10:43 PM CDT	Mesoscale Discussion	SPC	Harrison, Monona, Plymouth, Sioux, Woodbury	62 min
May 3, 12:50 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more	4 hr
May 3, 1:43 AM CDT	Special Weather Statement	OAX	Mills, Pottawattamie	32 min
May 3, 1:56 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	34 min
May 3, 2:11 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	34 min
May 3, 2:29 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	31 min
May 3, 3:05 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Cass, Clarke, Decatur, Montgomery and 4 more	85 min
May 3, 5:11 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Cerro Gordo, Franklin	47 min
May 3, 5:44 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd, Howard, Mitchell	31 min
May 3, 6:11 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Howard, Winneshiek	34 min
May 3, 6:43 AM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Howard, Winneshiek	47 min
May 3, 2:12 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 18 more	2 hr
May 3, 2:24 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	21 min
May 3, 2:48 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	42 min
May 3, 3:31 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	44 min
May 3, 3:41 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Cass, Clarke, Fremont, Madison and 7 more	2 hr
May 3, 3:48 PM CDT	Flash Flood Warning	DMX	Kossuth	4 hr
May 3, 4:03 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth	42 min
May 3, 4:18 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock, Winnebago, Worth	42 min
May 3, 4:52 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	53 min
May 3, 5:06 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	39 min
May 3, 5:24 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	20 min
May 3, 6:13 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	47 min
May 3, 6:42 PM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Des Moines, Henry, Lee and 5 more	63 min
May 3, 6:57 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	48 min
May 3, 7:09 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Cass, Cedar, Clarke and 23 more	6 hr
May 3, 7:31 PM CDT	Special Weather Statement	DVN	Benton	29 min
May 3, 7:41 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	28 min
May 3, 7:57 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	33 min
May 3, 8:05 PM CDT	Flash Flood Warning	FSD	Cherokee	93 min
May 3, 8:23 PM CDT	Special Weather Statement	DVN	Louisa, Washington	52 min
May 3, 8:23 PM CDT	Severe Thunderstorm Warning	DVN	Benton	15 min
May 3, 8:27 PM CDT	Tornado Warning	DVN	Henry, Jefferson, Louisa, Washington	33 min
May 3, 8:37 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee	38 min
May 3, 8:40 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Linn	35 min
May 3, 8:58 PM CDT	Tornado Warning	DVN	Henry, Louisa, Muscatine, Washington	32 min
May 3, 9:14 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Scott	31 min
May 3, 9:29 PM CDT	Tornado Warning	DVN	Louisa, Muscatine	17 min
May 3, 9:46 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	43 min
May 3, 9:58 PM CDT	Flash Flood Warning	DVN	Keokuk, Louisa, Washington	6 hr
May 3, 10:20 PM CDT	Flash Flood Warning	DVN	Cedar, Johnson, Louisa, Muscatine, Washington	6 hr
May 3, 10:22 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	38 min
May 3, 10:44 PM CDT	Flash Flood Warning	DVN	Louisa, Scott	6 hr
May 3, 11:18 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Cedar, Clarke and 23 more	27 min
May 3, 11:32 PM CDT	Flash Flood Watch	DMX	Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 8 more	9 hr
May 3, 11:59 PM CDT	Flash Flood Watch	DVN	Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 4 more	9 hr
May 4, 12:06 AM CDT	Severe Thunderstorm Warning	DVN	Louisa, Muscatine	24 min
May 4, 12:53 AM CDT	Severe Thunderstorm Watch	SPC	Des Moines, Henry, Jefferson, Lee, Van Buren	4 hr
May 4, 1:10 AM CDT	Flash Flood Warning	DVN	Henry, Jefferson	6 hr
May 4, 2:09 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Union	51 min
May 4, 2:13 AM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Taylor	32 min
May 4, 2:16 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 9 more	119 min
May 4, 2:26 AM CDT	Special Weather Statement	DVN	Des Moines, Lee, Van Buren	49 min
May 4, 2:40 AM CDT	Flash Flood Warning	DVN	Lee, Van Buren	6 hr
May 4, 2:45 AM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Taylor	45 min
May 4, 2:54 AM CDT	Severe Thunderstorm Warning	DMX	Adams	51 min
May 4, 3:07 AM CDT	Severe Thunderstorm Warning	DVN	Lee	38 min
May 4, 3:27 AM CDT	Severe Thunderstorm Warning	DMX	Taylor	48 min
May 4, 4:04 AM CDT	Areal Flood Warning	DVN	Louisa, Muscatine, Washington	9 hr
May 4, 5:03 AM CDT	Severe Thunderstorm Warning	DMX	Lucas, Marion, Monroe	42 min
May 4, 5:44 AM CDT	Flash Flood Warning	DMX	Mahaska, Poweshiek	4 hr
May 4, 6:26 AM CDT	Severe Thunderstorm Warning	DVN	Keokuk	49 min
May 4, 6:34 AM CDT	Flash Flood Warning	DVN	Keokuk	4 hr
May 4, 11:59 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	71 hr
May 4, 1:50 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 7 more	25 min
May 4, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 23 more	9 hr
May 4, 3:00 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	30 min
May 4, 3:14 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	31 min
May 4, 3:18 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola, Sioux	42 min
May 4, 3:20 PM CDT	Tornado Warning	FSD	O'Brien, Sioux	25 min
May 4, 3:31 PM CDT	Flash Flood Watch	DVN	Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more	11 hr
May 4, 3:39 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	36 min
May 4, 3:43 PM CDT	Tornado Warning	FSD	O'Brien, Sioux	32 min
May 4, 3:52 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 17 more	53 min
May 4, 4:01 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien	29 min
May 4, 4:05 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth	55 min
May 4, 4:06 PM CDT	Tornado Warning	FSD	Clay	24 min
May 4, 4:09 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Osceola	51 min
May 4, 4:12 PM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien	33 min
May 4, 4:22 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	38 min
May 4, 4:25 PM CDT	Severe Thunderstorm Warning	FSD	Clay	35 min
May 4, 4:40 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	50 min
May 4, 4:46 PM CDT	Tornado Warning	DMX	Palo Alto	29 min
May 4, 4:59 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth, Palo Alto	46 min
May 4, 5:26 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Winnebago	49 min
May 4, 5:30 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	17 min
May 4, 5:31 PM CDT	Mesoscale Discussion	SPC	Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 66 more	29 min
May 4, 5:40 PM CDT	Tornado Warning	DMX	Hancock, Humboldt, Kossuth, Wright	35 min
May 4, 5:46 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	15 min
May 4, 5:52 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	5 hr
May 4, 6:00 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock, Winnebago, Worth	60 min
May 4, 6:01 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 22 more	3 hr
May 4, 6:20 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	55 min
May 4, 6:37 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Webster, Wright	23 min
May 4, 7:15 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd, Howard	45 min
May 4, 8:10 PM CDT	Special Weather Statement	OAX	Pottawattamie	35 min
May 4, 8:17 PM CDT	Special Weather Statement	DVN	Buchanan	58 min
May 4, 8:30 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 10 more	60 min
May 4, 9:39 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	36 min
May 4, 9:54 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Crawford, Harrison, Ida, Monona and 5 more	96 min
May 4, 10:12 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Sioux	16 min
May 4, 10:27 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto, Pocahontas	48 min
May 5, 2:31 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	33 min
May 5, 6:49 AM CDT	Severe Thunderstorm Watch	SPC	Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux	7 hr
May 5, 11:38 AM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Cerro Gordo, Chickasaw, Clayton, Emmet, Fayette and 8 more	6 hr
May 5, 1:57 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Winnebago	33 min
May 5, 2:09 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 8 more	96 min
May 5, 2:28 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	32 min
May 5, 2:54 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Winnebago, Worth	66 min
May 5, 2:58 PM CDT	Mesoscale Discussion	SPC	Allamakee, Dickinson, Emmet, Howard, Kossuth, Mitchell and 3 more	62 min
May 5, 3:06 PM CDT	Flash Flood Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	13 hr
May 5, 3:31 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	59 min
May 5, 3:52 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 8 more	83 min
May 5, 4:29 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	43 min
May 5, 4:56 PM CDT	Mesoscale Discussion	SPC	Bremer, Buchanan, Clayton, Delaware, Dubuque, Fayette and 1 more	94 min
May 5, 5:31 PM CDT	Tornado Watch	SPC	Plymouth, Sioux, Woodbury	5 hr
May 5, 6:46 PM CDT	Severe Thunderstorm Watch	SPC	Lyon	6 hr
May 5, 10:03 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more	7 hr
May 5, 11:31 PM CDT	Mesoscale Discussion	SPC	Lyon	89 min
May 6, 1:55 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	35 min
May 6, 2:12 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Butler, Cerro Gordo, Cherokee, Clay, Dickinson and 17 more	63 min
May 6, 3:27 AM CDT	Severe Thunderstorm Warning	FSD	Clay	20 min
May 6, 4:07 AM CDT	Flash Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	16 hr
May 6, 4:32 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	43 min
May 6, 4:45 AM CDT	River Flood Warning	FSD	Lyon	4 days
May 6, 4:45 AM CDT	River Flood Warning	FSD	Sioux	7 days
May 6, 4:45 AM CDT	River Flood Warning	FSD	Plymouth	7 days
May 6, 4:55 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Fremont, Guthrie and 8 more	2 hr
May 6, 5:14 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	46 min
May 6, 5:22 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	38 min
May 6, 5:44 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	31 min
May 6, 5:52 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Guthrie	53 min
May 6, 6:30 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	45 min
May 6, 7:05 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Dallas, Guthrie, Madison	25 min
May 6, 7:09 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	22 min
May 6, 7:17 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Clarke, Dallas, Davis and 16 more	6 hr
May 6, 7:29 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Dallas, Guthrie, Madison	31 min
May 6, 7:59 AM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	46 min
May 6, 8:27 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion, Polk, Warren	48 min
May 6, 8:40 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 9 more	65 min
May 6, 9:03 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion	42 min
May 6, 9:12 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion	48 min
May 6, 9:29 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more	4 hr
May 6, 10:31 AM CDT	River Flood Warning	FSD	Lyon	60 hr
May 6, 10:31 AM CDT	River Flood Warning	FSD	Clay	29 hr
May 6, 1:42 PM CDT	Severe Thunderstorm Watch	SPC	Des Moines, Henry, Lee, Louisa, Van Buren	7 hr
May 6, 3:56 PM CDT	Mesoscale Discussion	SPC	Lee	64 min
May 6, 9:30 PM CDT	Special Weather Statement	DVN	Louisa, Muscatine, Scott	60 min
May 6, 11:44 PM CDT	Special Weather Statement	DVN	Lee	61 min
May 7, 2:12 AM CDT	Special Weather Statement	DVN	Scott	63 min
May 15, 2:51 PM CDT	Mesoscale Discussion	SPC	Benton, Cedar, Clinton, Delaware, Dubuque, Iowa and 12 more	54 min
May 15, 4:22 PM CDT	Special Weather Statement	DVN	Benton, Delaware, Dubuque, Iowa, Jones, Linn	53 min
May 15, 4:58 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Jones, Linn	62 min
May 15, 5:18 PM CDT	Special Weather Statement	DVN	Cedar, Clinton, Iowa, Jackson, Johnson, Jones and 2 more	42 min
May 15, 5:56 PM CDT	Special Weather Statement	DVN	Cedar, Clinton, Iowa, Jackson, Jefferson, Johnson and 4 more	49 min
May 15, 6:15 PM CDT	Special Weather Statement	DVN	Cedar, Clinton, Jefferson, Johnson, Keokuk, Louisa and 3 more	30 min
May 15, 6:44 PM CDT	Special Weather Statement	DVN	Cedar, Clinton, Johnson, Keokuk, Louisa, Muscatine and 2 more	31 min
May 15, 7:05 PM CDT	Severe Thunderstorm Warning	DVN	Scott	40 min
May 15, 7:15 PM CDT	Special Weather Statement	DVN	Henry, Louisa, Muscatine, Scott, Washington	30 min
May 15, 7:48 PM CDT	Special Weather Statement	DVN	Louisa	27 min
May 15, 8:16 PM CDT	Special Weather Statement	DVN	Des Moines	29 min
May 19, 5:45 AM CDT	Special Weather Statement	OAX	Monona	30 min
May 19, 5:49 AM CDT	Severe Thunderstorm Warning	OAX	Monona	26 min
May 19, 6:27 AM CDT	Special Weather Statement	OAX	Monona	18 min
May 19, 2:36 PM CDT	Mesoscale Discussion	SPC	Fremont, Harrison, Mills, Pottawattamie	84 min
May 19, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Harrison, Mills, Monona, Pottawattamie, Shelby	7 hr
May 19, 5:41 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Harrison, Ida and 10 more	64 min
May 19, 6:52 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Audubon, Buena Vista, Calhoun, Carroll, Cass and 17 more	5 hr
May 19, 6:55 PM CDT	Severe Thunderstorm Warning	OAX	Monona	50 min
May 19, 7:18 PM CDT	Severe Thunderstorm Warning	OAX	Monona	27 min
May 19, 7:43 PM CDT	Severe Thunderstorm Warning	OAX	Monona	32 min
May 19, 7:56 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Plymouth, Woodbury	38 min
May 19, 8:06 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	39 min
May 19, 8:11 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 13 more	64 min
May 19, 8:28 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	47 min
May 19, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona, Shelby	28 min
May 19, 8:44 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	31 min
May 19, 8:45 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	15 min
May 19, 9:00 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Calhoun, Carroll, Sac	27 min
May 19, 9:09 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Plymouth, Woodbury	51 min
May 19, 9:18 PM CDT	Mesoscale Discussion	SPC	Mills, Pottawattamie	57 min
May 19, 9:38 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien, Plymouth	37 min
May 19, 9:38 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	37 min
May 19, 10:11 PM CDT	Flash Flood Warning	FSD	Clay, Dickinson, O'Brien	3 hr
May 19, 10:33 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more	57 min
May 21, 2:51 PM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	29 hr
May 23, 3:50 AM CDT	Flash Flood Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	29 hr
May 23, 10:24 AM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida	6 hr
May 23, 10:26 AM CDT	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	8 hr
May 23, 10:39 AM CDT	Wind Advisory	DMX	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 30 more	8 hr
May 23, 2:56 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Carroll, Cherokee, Clay, Crawford, Harrison and 11 more	94 min
May 23, 4:07 PM CDT	Severe Thunderstorm Watch	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 23 more	7 hr
May 23, 6:21 PM CDT	Severe Thunderstorm Warning	OAX	Monona	35 min
May 23, 6:32 PM CDT	Special Weather Statement	OAX	Monona	28 min
May 23, 6:49 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Crawford, Dickinson and 11 more	86 min
May 23, 6:53 PM CDT	Severe Thunderstorm Warning	OAX	Monona	23 min
May 23, 6:56 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	49 min
May 23, 7:10 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	35 min
May 23, 7:16 PM CDT	Severe Thunderstorm Warning	FSD	Ida	27 min
May 23, 7:26 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Sac	49 min
May 23, 7:35 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	40 min
May 23, 8:15 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Crawford, Sac	45 min
May 23, 8:16 PM CDT	Special Weather Statement	OAX	Harrison	29 min
May 23, 8:24 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	36 min
May 23, 8:28 PM CDT	Severe Thunderstorm Warning	FSD	Osceola	32 min
May 23, 8:51 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas	39 min
May 23, 8:56 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 23 more	94 min
May 23, 9:11 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola, Sioux	34 min
May 24, 3:07 AM CDT	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 14 more	16 hr
May 24, 3:11 AM CDT	Wind Advisory	ARX	Allamakee, Clayton, Fayette, Winneshiek	16 hr
May 24, 6:33 AM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 8 more	57 min
May 24, 9:14 AM CDT	River Flood Warning	FSD	Sioux	24 hr
May 24, 9:14 AM CDT	River Flood Warning	FSD	Plymouth	24 hr
May 24, 9:14 AM CDT	River Flood Warning	FSD	Lyon	12 hr
May 24, 9:14 AM CDT	River Flood Warning	FSD	Clay	24 hr
May 24, 9:14 AM CDT	River Flood Warning	FSD	Clay	24 hr
May 24, 9:14 AM CDT	River Flood Warning	FSD	Buena Vista, Clay	69 hr
May 24, 1:34 PM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 10 more	116 min
May 24, 3:06 PM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 38 more	114 min
May 24, 3:13 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	32 min
May 24, 3:30 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Franklin, Hardin	45 min
May 24, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 39 more	4 hr
May 24, 3:56 PM CDT	Severe Thunderstorm Warning	DMX	Bremer, Butler, Grundy	49 min
May 24, 4:26 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Wayne	49 min
May 24, 4:27 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	33 min
May 24, 4:30 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	19 min
May 24, 4:53 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton, Fayette, Winneshiek	37 min
May 24, 4:55 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Tama	50 min
May 24, 5:24 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	36 min
May 24, 5:42 PM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Buchanan, Cedar and 24 more	2 hr
May 24, 5:51 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Poweshiek	39 min
May 25, 3:05 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	43 min
May 25, 3:09 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 43 more	2 hr
May 25, 3:39 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Ringgold	39 min
May 25, 4:23 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Wayne	27 min
May 25, 7:18 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Story	28 min
May 25, 7:49 PM CDT	Special Weather Statement	DVN	Benton	26 min
May 25, 9:17 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 30 more	88 min
May 25, 10:07 PM CDT	Special Weather Statement	DVN	Delaware	23 min
May 25, 11:46 PM CDT	Severe Thunderstorm Warning	OAX	Monona	44 min
May 26, 12:07 AM CDT	Special Weather Statement	DVN	Cedar, Clinton, Scott	38 min
May 26, 12:08 AM CDT	Special Weather Statement	DVN	Buchanan, Delaware	52 min
May 26, 12:17 AM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	58 min
May 26, 12:18 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	57 min
May 26, 12:27 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	63 min
May 26, 12:46 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 44 more	89 min
May 26, 1:06 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	39 min
May 26, 2:05 AM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	40 min
May 26, 2:22 AM CDT	Special Weather Statement	DVN	Buchanan, Delaware, Dubuque	113 min
May 26, 2:46 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Ida, Woodbury	59 min
May 26, 3:02 AM CDT	Special Weather Statement	DVN	Delaware, Dubuque, Jackson, Jones	58 min
May 26, 3:04 AM CDT	Severe Thunderstorm Warning	DMX	Sac	41 min
May 26, 10:41 AM CDT	River Flood Warning	FSD	Clay	20 hr
May 27, 3:42 AM CDT	Flash Flood Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	24 hr
May 27, 3:42 AM CDT	Flash Flood Watch	OAX	Monona	21 hr
May 27, 2:58 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 13 more	62 min
May 27, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more	8 hr
May 27, 5:27 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	33 min
May 27, 5:58 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	32 min
May 27, 6:11 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	34 min
May 27, 6:24 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	36 min
May 27, 6:35 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	40 min
May 27, 6:43 PM CDT	River Flood Warning	FSD	Sioux	5 days
May 27, 6:43 PM CDT	River Flood Warning	FSD	Plymouth	6 days
May 27, 6:55 PM CDT	Mesoscale Discussion	SPC	Cherokee, Clay, Dickinson, Emmet, Ida, Lyon and 6 more	2 hr
May 27, 7:11 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	34 min
May 27, 7:22 PM CDT	Flash Flood Warning	FSD	Lyon, Plymouth, Sioux	7 hr
May 27, 7:31 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Plymouth, Sioux	29 min
May 27, 7:54 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, O'Brien, Osceola, Sioux	36 min
May 27, 8:19 PM CDT	Flash Flood Warning	FSD	Lyon, Osceola	7 hr
May 27, 8:54 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	36 min
May 27, 9:18 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	27 min
May 27, 9:42 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	10 min
May 27, 9:51 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 5 more	84 min
May 28, 5:35 AM CDT	River Flood Warning	FSD	Lyon	52 hr
May 28, 5:35 AM CDT	River Flood Warning	FSD	Clay	71 hr
May 28, 5:35 AM CDT	River Flood Warning	FSD	Clay	8 days
May 28, 5:35 AM CDT	River Flood Warning	FSD	Buena Vista, Clay	9 days
May 28, 12:00 PM CDT	Mesoscale Discussion	SPC	Clayton, Dubuque	60 min
May 28, 12:54 PM CDT	Severe Thunderstorm Watch	SPC	Clayton	7 hr
May 28, 1:59 PM CDT	River Flood Warning	DMX	Emmet	9 days
May 28, 3:23 PM CDT	Special Weather Statement	DVN	Cedar, Muscatine	37 min
May 28, 3:58 PM CDT	Special Weather Statement	DVN	Muscatine	62 min
May 28, 4:16 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Muscatine, Scott	59 min
May 28, 4:59 PM CDT	Mesoscale Discussion	SPC	Des Moines, Lee, Scott	91 min
May 28, 5:00 PM CDT	Special Weather Statement	DVN	Lee	60 min
May 28, 5:14 PM CDT	Severe Thunderstorm Warning	DVN	Scott	61 min
May 28, 5:23 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	36 min
May 29, 9:45 AM CDT	River Flood Warning	FSD	Clay, Dickinson	6 days

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	165
Tornado Warning	14
Severe Thunderstorm Watch	20
Tornado Watch	3
Mesoscale Discussion	49
Special Weather Statement	32
Flooding
Areal Flood Warning	1
Flash Flood Warning	13
River Flood Warning	21
Flash Flood Watch	10
Wind and dust
Wind Advisory	6

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 2011 2013

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.