Alert archive / Iowa / 2011

Weather alerts in Iowa, May 2011

274 weather alerts in May 2011, 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 2011. Tap one for its archive.

Alerts: 274
Warnings: 195
Watches: 19
Advisories: 24
Busiest day: May 22, 201159 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, 3:55 AM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	13 hr
May 1, 11:25 AM CDT	Red Flag Warning	FSD		8 hr
May 1, 11:58 AM CDT	Red Flag Warning	OAX	Harrison, Monona, Pottawattamie, Shelby	4 hr
May 1, 3:26 PM CDT	Frost Advisory	DVN	Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more	15 hr
May 1, 3:36 PM CDT	Frost Advisory	DMX	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 21 more	16 hr
May 2, 3:33 PM CDT	Frost Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	15 hr
May 2, 3:48 PM CDT	Frost Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 38 more	15 hr
May 2, 3:58 PM CDT	Frost Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	16 hr
May 2, 4:54 PM CDT	River Flood Warning	DVN	Cedar, Louisa, Muscatine	18 hr
May 3, 3:15 PM CDT	Freeze Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	16 hr
May 3, 4:05 PM CDT	Frost Advisory	DMX	Adair, Adams, Boone, Clarke, Dallas, Decatur and 14 more	15 hr
May 3, 4:05 PM CDT	Freeze Warning	DMX	Appanoose, Audubon, Black Hawk, Bremer, Butler, Calhoun and 25 more	15 hr
May 4, 10:16 AM CDT	Red Flag Warning	FSD		9 hr
May 4, 11:47 AM CDT	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	6 hr
May 5, 3:31 PM CDT	Fire Weather Watch	FSD		12 hr
May 6, 3:11 AM CDT	Red Flag Warning	FSD		15 hr
May 8, 9:11 PM CDT	River Flood Warning	FSD	Plymouth	12 hr
May 9, 4:08 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	52 min
May 10, 5:10 PM CDT	Mesoscale Discussion	SPC	Allamakee, Howard, Mitchell, Winneshiek, Worth	95 min
May 10, 8:45 PM CDT	Mesoscale Discussion	SPC	Allamakee, Howard, Mitchell, Winneshiek, Worth	90 min
May 11, 8:09 AM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 32 more	66 min
May 11, 12:43 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Cass	47 min
May 11, 1:23 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 17 more	6 hr
May 11, 1:41 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	23 min
May 11, 2:05 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	55 min
May 11, 2:22 PM CDT	Tornado Warning	DMX	Adams	23 min
May 11, 2:31 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Crawford and 13 more	59 min
May 11, 2:43 PM CDT	Flash Flood Warning	DMX	Adams, Taylor	6 hr
May 11, 2:51 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	39 min
May 11, 2:53 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more	6 hr
May 11, 2:56 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	49 min
May 11, 3:38 PM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Buchanan, Cedar and 26 more	2 hr
May 11, 3:57 PM CDT	Severe Thunderstorm Warning	OAX	Monona	48 min
May 11, 4:01 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	44 min
May 11, 4:11 PM CDT	Tornado Warning	DMX	Adams, Taylor	49 min
May 11, 4:34 PM CDT	Flash Flood Warning	OAX	Montgomery, Page	67 min
May 11, 4:42 PM CDT	Flash Flood Warning	DMX	Adams, Taylor	6 hr
May 11, 4:50 PM CDT	Tornado Warning	DMX	Adams, Union	40 min
May 11, 4:55 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	50 min
May 11, 4:57 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	38 min
May 11, 5:03 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more	57 min
May 11, 5:32 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Taylor, Union	43 min
May 11, 5:37 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	38 min
May 11, 5:42 PM CDT	Tornado Warning	DMX	Union	33 min
May 11, 5:42 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux, Woodbury	48 min
May 11, 5:44 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Madison, Ringgold, Warren	46 min
May 11, 5:48 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	42 min
May 11, 6:03 PM CDT	Flash Flood Warning	DMX	Union	6 hr
May 11, 6:06 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Clarke, Madison, Union	54 min
May 11, 6:17 PM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Davis, Decatur, Jasper, Lucas and 9 more	28 min
May 11, 6:37 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	53 min
May 11, 6:37 PM CDT	Tornado Warning	FSD	Lyon, Sioux	23 min
May 11, 6:42 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Warren	48 min
May 11, 6:46 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	44 min
May 11, 6:49 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	41 min
May 11, 6:52 PM CDT	River Flood Warning	OAX	Page	6 hr
May 11, 6:58 PM CDT	Tornado Warning	FSD	Dickinson, Lyon, O'Brien, Osceola	32 min
May 11, 7:07 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	23 min
May 11, 7:27 PM CDT	Severe Thunderstorm Warning	FSD	Osceola	33 min
May 11, 7:29 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Marion, Monroe	25 min
May 11, 7:31 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	29 min
May 11, 8:16 PM CDT	Mesoscale Discussion	SPC	Adams, Fremont, Mills, Montgomery, Page, Taylor	59 min
May 11, 8:24 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose	29 min
May 11, 8:27 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Marion, Monroe, Wayne	48 min
May 11, 8:49 PM CDT	Special Weather Statement	DVN	Benton, Iowa, Johnson, Keokuk, Linn, Washington	56 min
May 11, 9:30 PM CDT	Special Weather Statement	DVN	Cedar, Henry, Jefferson, Johnson, Jones, Linn and 3 more	60 min
May 12, 12:45 AM CDT	River Flood Advisory	OAX	Mills	9 hr
May 12, 4:18 AM CDT	River Flood Warning	OAX	Page	3 hr
May 12, 8:23 AM CDT	River Flood Warning	DMX	Decatur	13 hr
May 12, 9:44 AM CDT	River Flood Warning	OAX	Mills	7 days
May 12, 2:37 PM CDT	Tornado Watch	SPC	Harrison, Monona, Shelby	7 hr
May 12, 4:44 PM CDT	Severe Thunderstorm Warning	OAX	Monona	46 min
May 12, 4:58 PM CDT	Tornado Warning	OAX	Monona	32 min
May 12, 5:21 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	24 min
May 12, 5:28 PM CDT	Tornado Warning	OAX	Monona	32 min
May 12, 5:35 PM CDT	Mesoscale Discussion	SPC	Calhoun, Carroll, Crawford, Harrison, Ida, Monona and 4 more	85 min
May 12, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	45 min
May 12, 5:50 PM CDT	Severe Thunderstorm Warning	OAX	Monona	40 min
May 12, 5:53 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	52 min
May 12, 6:05 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 32 more	7 hr
May 12, 6:28 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Woodbury	47 min
May 12, 7:08 PM CDT	Severe Thunderstorm Warning	DMX	Sac	37 min
May 12, 7:12 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	28 min
May 12, 7:18 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	42 min
May 12, 8:01 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	44 min
May 12, 8:21 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Greene	39 min
May 12, 8:39 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	51 min
May 12, 9:06 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Greene	39 min
May 12, 9:16 PM CDT	Mesoscale Discussion	SPC	Fremont, Harrison, Mills, Page, Pottawattamie	59 min
May 12, 10:06 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	39 min
May 12, 10:12 PM CDT	Severe Thunderstorm Warning	DMX	Wright	48 min
May 12, 10:27 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 31 more	63 min
May 15, 3:05 PM CDT	Frost Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	16 hr
May 15, 3:18 PM CDT	Frost Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	17 hr
May 15, 3:24 PM CDT	Frost Advisory	DMX	Calhoun, Cerro Gordo, Crawford, Emmet, Hancock, Humboldt and 6 more	16 hr
May 15, 3:33 PM CDT	Frost Advisory	OAX	Monona	16 hr
May 16, 2:57 PM CDT	Frost Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	16 hr
May 20, 9:18 AM CDT	River Flood Warning	FSD	Sioux	19 days
May 20, 9:18 AM CDT	River Flood Warning	FSD	Plymouth	18 days
May 20, 9:18 AM CDT	River Flood Warning	FSD	Clay	10 days
May 20, 9:18 AM CDT	River Flood Warning	FSD	Buena Vista, Clay	14 days
May 20, 10:16 AM CDT	River Flood Warning	OAX	Mills	130 days
May 21, 12:51 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 31 more	114 min
May 21, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 49 more	10 hr
May 21, 5:25 PM CDT	Mesoscale Discussion	SPC	Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 9 more	65 min
May 21, 5:59 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	46 min
May 21, 6:07 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 42 more	53 min
May 21, 6:47 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	28 min
May 21, 6:48 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	42 min
May 21, 7:07 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	38 min
May 21, 7:28 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	32 min
May 21, 7:40 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	50 min
May 21, 7:46 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	44 min
May 21, 7:49 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	26 min
May 21, 7:51 PM CDT	Severe Thunderstorm Warning	DMX	Adair	39 min
May 21, 7:57 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	33 min
May 21, 8:14 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	31 min
May 21, 8:16 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	29 min
May 21, 8:16 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	44 min
May 21, 8:21 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	24 min
May 21, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	43 min
May 21, 8:39 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison	36 min
May 21, 8:41 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	34 min
May 21, 8:55 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 68 more	65 min
May 21, 8:57 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	33 min
May 21, 8:59 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Warren, Wayne	31 min
May 21, 9:03 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	27 min
May 21, 9:44 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Lucas, Monroe, Wayne	31 min
May 21, 9:51 PM CDT	Severe Thunderstorm Warning	OAX	Monona	39 min
May 21, 10:09 PM CDT	Special Weather Statement	DVN	Iowa, Jefferson, Keokuk	51 min
May 21, 10:19 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	26 min
May 22, 4:41 AM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 28 more	2 hr
May 22, 9:19 AM CDT	River Flood Warning	DMX	Emmet	17 days
May 22, 9:19 AM CDT	River Flood Warning	DMX	Humboldt	11 days
May 22, 9:19 AM CDT	River Flood Warning	DMX	Humboldt, Kossuth	12 days
May 22, 10:53 AM CDT	Mesoscale Discussion	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 39 more	2 hr
May 22, 12:07 PM CDT	Tornado Watch	SPC	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	7 hr
May 22, 12:51 PM CDT	Tornado Watch	SPC	Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 35 more	10 hr
May 22, 1:38 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Poweshiek, Tama	52 min
May 22, 2:01 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	44 min
May 22, 2:02 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	43 min
May 22, 2:03 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Howard, Mitchell	57 min
May 22, 2:06 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk, Washington	54 min
May 22, 2:23 PM CDT	Tornado Warning	DMX	Poweshiek	17 min
May 22, 2:29 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler, Grundy	46 min
May 22, 2:34 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Linn	33 min
May 22, 2:38 PM CDT	Tornado Warning	DVN	Benton, Iowa, Johnson, Keokuk, Linn	67 min
May 22, 2:42 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer	33 min
May 22, 2:43 PM CDT	Tornado Warning	ARX	Howard	62 min
May 22, 2:45 PM CDT	Tornado Warning	DVN	Benton, Iowa, Linn	29 min
May 22, 2:59 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 10 more	2 hr
May 22, 3:14 PM CDT	Tornado Warning	DMX	Bremer	31 min
May 22, 3:22 PM CDT	Tornado Warning	ARX	Fayette	38 min
May 22, 3:22 PM CDT	Tornado Warning	DVN	Cedar, Iowa, Johnson	53 min
May 22, 3:25 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Iowa, Johnson, Jones, Linn	65 min
May 22, 3:43 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk, Washington	47 min
May 22, 4:12 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Wapello	27 min
May 22, 4:12 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Jones	63 min
May 22, 4:17 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Keokuk, Washington	43 min
May 22, 4:17 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk, Washington	43 min
May 22, 4:19 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton, Fayette	56 min
May 22, 4:32 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Johnson	58 min
May 22, 4:47 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	58 min
May 22, 4:56 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Scott	64 min
May 22, 5:25 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Muscatine, Scott	50 min
May 22, 5:28 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	62 min
May 22, 5:47 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	31 min
May 22, 5:47 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Dubuque, Jackson, Johnson and 4 more	88 min
May 22, 8:24 PM CDT	Tornado Warning	DVN	Scott	51 min
May 24, 1:10 PM CDT	Flash Flood Watch	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 1 more	16 hr
May 24, 1:11 PM CDT	Mesoscale Discussion	SPC	Buchanan, Cedar, Clinton, Jackson, Johnson, Jones and 3 more	94 min
May 24, 1:58 PM CDT	River Flood Advisory	OAX	Pottawattamie	4 days
May 24, 3:22 PM CDT	Flash Flood Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 4 more	22 hr
May 24, 3:26 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Polk, Story	34 min
May 24, 3:30 PM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	27 hr
May 24, 4:02 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson, Jones	58 min
May 24, 4:13 PM CDT	Special Weather Statement	DVN	Benton, Iowa	62 min
May 24, 4:44 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	61 min
May 24, 5:08 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Linn	52 min
May 24, 5:28 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Louisa, Muscatine, Scott	47 min
May 24, 5:33 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	57 min
May 24, 5:42 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Linn	48 min
May 24, 5:53 PM CDT	Tornado Warning	DVN	Buchanan, Delaware, Linn	37 min
May 24, 9:45 PM CDT	Flash Flood Watch	DMX	Adair, Adams, Appanoose, Cass, Clarke, Davis and 11 more	24 hr
May 25, 12:38 AM CDT	Flash Flood Warning	DMX	Clarke, Union	6 hr
May 25, 12:48 AM CDT	Mesoscale Discussion	SPC	Lee	57 min
May 25, 1:05 AM CDT	River Flood Warning	DMX	Decatur	57 hr
May 25, 1:22 AM CDT	Tornado Watch	SPC	Lee	7 hr
May 25, 2:20 AM CDT	Special Weather Statement	DVN	Lee, Van Buren	70 min
May 25, 2:38 AM CDT	Flash Flood Watch	DVN	Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more	20 hr
May 25, 3:46 AM CDT	Special Weather Statement	DVN	Des Moines, Iowa, Johnson, Keokuk, Louisa, Muscatine and 1 more	59 min
May 25, 4:22 AM CDT	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	17 hr
May 25, 6:04 AM CDT	River Flood Warning	DMX	Madison, Warren	27 hr
May 25, 6:22 AM CDT	River Flood Warning	DMX	Madison, Warren	22 hr
May 25, 6:22 AM CDT	River Flood Warning	DMX	Warren	9 hr
May 25, 6:37 AM CDT	River Flood Warning	DVN	Iowa, Johnson	7 days
May 25, 6:37 AM CDT	River Flood Warning	DVN	Lee	52 hr
May 25, 6:53 AM CDT	River Flood Warning	DMX	Appanoose, Wayne	30 hr
May 25, 7:25 AM CDT	River Flood Warning	DMX	Lucas, Wayne	24 hr
May 25, 7:58 AM CDT	River Flood Warning	DMX	Wapello	23 hr
May 25, 9:27 AM CDT	River Flood Warning	DVN	Clinton, Scott	12 hr
May 25, 9:27 AM CDT	River Flood Warning	DVN	Keokuk	12 hr
May 25, 9:27 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	6 days
May 25, 11:31 AM CDT	Areal Flood Advisory	OAX	Harrison	6 hr
May 25, 11:46 AM CDT	River Flood Warning	DVN	Des Moines	13 days
May 25, 11:46 AM CDT	River Flood Warning	DVN	Des Moines, Lee	14 days
May 25, 11:46 AM CDT	River Flood Warning	DVN	Johnson, Washington	34 hr
May 25, 2:31 PM CDT	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 12 more	7 hr
May 25, 2:31 PM CDT	Tornado Watch	SPC	Des Moines, Henry, Lee, Louisa, Van Buren	7 hr
May 25, 3:04 PM CDT	River Flood Warning	DMX	Boone, Hamilton, Webster	7 days
May 25, 3:18 PM CDT	River Flood Warning	DMX	Mahaska, Marion	18 hr
May 25, 3:41 PM CDT	River Flood Warning	DVN	Lee, Van Buren	20 hr
May 25, 3:53 PM CDT	Flash Flood Warning	DMX	Decatur, Lucas, Wayne	3 hr
May 25, 4:08 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	52 min
May 25, 4:34 PM CDT	Flash Flood Warning	DMX	Appanoose, Davis, Wapello	4 hr
May 25, 4:35 PM CDT	Tornado Warning	DVN	Des Moines, Henry, Lee	40 min
May 25, 4:55 PM CDT	Flash Flood Warning	DVN	Des Moines, Henry, Jefferson, Lee, Van Buren	5 hr
May 25, 5:05 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	40 min
May 25, 5:11 PM CDT	Tornado Warning	DVN	Des Moines, Louisa	23 min
May 25, 5:34 PM CDT	Flash Flood Warning	DVN	Des Moines, Louisa	4 hr
May 25, 5:47 PM CDT	River Flood Advisory	OAX	Harrison	3 days
May 26, 10:52 AM CDT	River Flood Warning	DVN	Lee	24 hr
May 27, 7:24 PM CDT	River Flood Warning	DVN	Des Moines, Louisa	16 hr
May 28, 7:22 PM CDT	River Flood Warning	OAX	Pottawattamie	108 days
May 28, 8:21 PM CDT	River Flood Warning	OAX	Harrison	109 days
May 29, 1:41 AM CDT	Mesoscale Discussion	SPC	Appanoose, Davis, Decatur, Jefferson, Monroe, Page and 5 more	2 hr
May 29, 4:51 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	24 min
May 29, 5:05 AM CDT	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more	4 hr
May 29, 6:18 AM CDT	Severe Thunderstorm Warning	DMX	Madison	22 min
May 29, 6:34 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk	26 min
May 29, 8:17 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	43 min
May 29, 8:20 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe, Wapello	40 min
May 29, 8:37 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Keokuk, Van Buren, Washington	53 min
May 29, 8:39 AM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 28 more	66 min
May 29, 8:48 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Union, Warren	42 min
May 29, 8:53 AM CDT	Severe Thunderstorm Watch	SPC	Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 10 more	6 hr
May 29, 9:14 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis	46 min
May 29, 9:18 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Jefferson, Johnson, Lee, Louisa and 3 more	57 min
May 29, 9:32 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Jones, Linn	58 min
May 29, 9:55 AM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	65 min
May 29, 9:58 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Des Moines, Louisa, Muscatine, Scott	62 min
May 29, 10:05 AM CDT	River Flood Warning	DMX	Madison, Warren	23 hr
May 29, 10:05 AM CDT	River Flood Warning	DMX	Warren	8 hr
May 29, 10:06 AM CDT	River Flood Warning	OAX	Monona	95 days
May 29, 10:15 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines	60 min
May 29, 10:26 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Scott	64 min
May 29, 10:33 AM CDT	Severe Thunderstorm Warning	DVN	Scott	57 min
May 29, 10:54 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	66 min
May 29, 2:11 PM CDT	River Flood Warning	DMX	Wapello	21 hr
May 29, 2:38 PM CDT	River Flood Warning	DVN	Johnson, Washington	31 hr
May 29, 3:06 PM CDT	River Flood Warning	DVN	Lee	38 hr
May 29, 3:28 PM CDT	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	34 hr
May 29, 3:54 PM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	27 hr
May 29, 4:36 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Page	24 min
May 29, 5:06 PM CDT	River Flood Warning	DMX	Mahaska, Wapello	11 hr
May 29, 7:16 PM CDT	Tornado Watch	SPC	Fremont, Harrison, Mills, Montgomery, Pottawattamie, Shelby	4 hr
May 29, 9:14 PM CDT	River Flood Warning	DVN	Louisa	48 hr
May 29, 9:14 PM CDT	River Flood Warning	DVN	Keokuk	25 hr
May 29, 9:24 PM CDT	Mesoscale Discussion	SPC	Audubon, Crawford, Harrison, Ida, Mills, Monona and 5 more	96 min
May 29, 10:00 PM CDT	River Flood Warning	DVN	Des Moines, Louisa	6 days
May 29, 10:58 PM CDT	Severe Thunderstorm Watch	SPC	Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux	6 hr
May 30, 3:41 AM CDT	Wind Advisory	DMX	Adair, Adams, Audubon, Calhoun, Carroll, Cass and 13 more	15 hr
May 30, 10:57 AM CDT	River Flood Warning	DVN	Louisa	23 hr
May 30, 11:14 AM CDT	River Flood Warning	DVN	Des Moines, Louisa	47 hr
May 30, 8:37 PM CDT	Severe Thunderstorm Watch PDS	SPC	Cherokee, Harrison, Monona, Plymouth, Woodbury	5 hr
May 30, 8:43 PM CDT	Tornado Watch	SPC	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	5 hr
May 30, 10:09 PM CDT	Mesoscale Discussion	SPC	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	2 hr
May 30, 10:38 PM CDT	Mesoscale Discussion	SPC	Cherokee, Harrison, Ida, Monona, Plymouth, Woodbury	2 hr
May 30, 11:05 PM CDT	Severe Thunderstorm Warning	OAX	Monona	40 min
May 30, 11:19 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	41 min
May 31, 5:38 AM CDT	Special Weather Statement	DVN	Henry, Jefferson, Van Buren	52 min
May 31, 6:05 AM CDT	Special Weather Statement	DVN	Henry	25 min
May 31, 6:10 AM CDT	Special Weather Statement	DVN	Lee	35 min
May 31, 10:10 AM CDT	River Flood Warning	FSD	Woodbury	86 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	111
Tornado Warning	20
Severe Thunderstorm Watch	6
Tornado Watch	8
Mesoscale Discussion	27
Special Weather Statement	9
Flooding
Flash Flood Warning	9
River Flood Warning	49
Flash Flood Watch	4
Areal Flood Advisory	1
River Flood Advisory	3
Cold
Freeze Warning	2
Frost Advisory	11
Wind and dust
Wind Advisory	8
Fire
Red Flag Warning	4
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	1

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 2010 2012

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.