Alert archive / Iowa / 2016
Weather alerts in Iowa, August 2016
306 weather alerts in August 2016, 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 August 2016. Tap one for its archive.
- Alerts
- 306
- Warnings
- 122
- Watches
- 29
- Advisories
- 14
- Busiest day
- August 24, 201646 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 |
|---|---|---|---|---|
| Aug 1, 1:53 AM CDT | Special Weather Statement | OAX | Montgomery | 37 min |
| Aug 1, 4:08 AM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 6 hr |
| Aug 1, 7:36 AM CDT | Special Weather Statement | DMX | Calhoun, Carroll, Greene, Pocahontas, Sac | 54 min |
| Aug 1, 9:02 AM CDT | Flash Flood Warning | DMX | Adair, Guthrie, Madison, Ringgold, Union | 6 hr |
| Aug 1, 10:12 AM CDT | Areal Flood Warning | DMX | Ringgold, Taylor | 24 hr |
| Aug 1, 10:24 AM CDT | Special Weather Statement | OAX | Shelby | 36 min |
| Aug 2, 3:29 AM CDT | Special Weather Statement | OAX | Fremont, Mills, Pottawattamie | 46 min |
| Aug 2, 3:44 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 11 more | 8 hr |
| Aug 2, 8:21 AM CDT | Special Weather Statement | DMX | Poweshiek | 39 min |
| Aug 3, 2:58 AM CDT | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Butler and 32 more | 5 hr |
| Aug 3, 6:28 AM CDT | Dense Fog Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 3 hr |
| Aug 4, 3:58 AM CDT | Mesoscale Discussion | SPC | Dickinson, Osceola | 62 min |
| Aug 4, 10:09 AM CDT | Special Weather Statement | DMX | Cerro Gordo | 36 min |
| Aug 4, 10:37 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 38 min |
| Aug 4, 11:10 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy | 65 min |
| Aug 4, 12:15 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 11 more | 2 hr |
| Aug 4, 12:20 PM CDT | Special Weather Statement | DMX | Black Hawk | 55 min |
| Aug 4, 1:28 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 24 more | 6 hr |
| Aug 4, 1:31 PM CDT | Special Weather Statement | DVN | Benton, Buchanan | 59 min |
| Aug 4, 1:42 PM CDT | Special Weather Statement | DMX | Black Hawk | 48 min |
| Aug 4, 2:00 PM CDT | Special Weather Statement | DMX | Dallas | 30 min |
| Aug 4, 4:18 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 42 min |
| Aug 4, 4:23 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 37 min |
| Aug 4, 4:44 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Fremont, Mills, Montgomery and 2 more | 3 hr |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 26 more | 6 hr |
| Aug 4, 4:48 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 15 more | 87 min |
| Aug 4, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 55 min |
| Aug 4, 4:59 PM CDT | Special Weather Statement | OAX | Harrison | 46 min |
| Aug 4, 5:00 PM CDT | Special Weather Statement | OAX | Shelby | 45 min |
| Aug 4, 5:05 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 40 min |
| Aug 4, 5:25 PM CDT | Tornado Warning | OAX | Mills, Pottawattamie | 13 min |
| Aug 4, 5:28 PM CDT | Special Weather Statement | DVN | Benton | 32 min |
| Aug 4, 5:35 PM CDT | Tornado Warning | OAX | Pottawattamie | 3 min |
| Aug 4, 5:47 PM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Clayton, Fayette, Winneshiek | 118 min |
| Aug 4, 5:54 PM CDT | Special Weather Statement | OAX | Mills | 21 min |
| Aug 4, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 47 min |
| Aug 4, 6:09 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 66 min |
| Aug 4, 6:38 PM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Aug 4, 6:39 PM CDT | Special Weather Statement | DVN | Buchanan | 36 min |
| Aug 4, 6:44 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton | 91 min |
| Aug 4, 6:46 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 44 min |
| Aug 4, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Jasper, Marshall, Poweshiek, Story, Tama | 68 min |
| Aug 4, 6:53 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 52 min |
| Aug 4, 7:15 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 60 min |
| Aug 4, 7:17 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 16 more | 88 min |
| Aug 4, 7:20 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 25 min |
| Aug 4, 7:25 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 50 min |
| Aug 4, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek, Tama | 64 min |
| Aug 4, 8:01 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 44 min |
| Aug 4, 8:04 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones | 56 min |
| Aug 4, 8:19 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Iowa, Johnson, Muscatine | 56 min |
| Aug 4, 8:41 PM CDT | Mesoscale Discussion | SPC | Scott | 64 min |
| Aug 4, 8:43 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 62 min |
| Aug 4, 8:54 PM CDT | Tornado Warning | DVN | Clinton, Scott | 36 min |
| Aug 4, 8:59 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Louisa | 3 hr |
| Aug 4, 9:19 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 30 min |
| Aug 9, 2:40 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Ida, Lyon, O'Brien, Plymouth and 2 more | 29 hr |
| Aug 10, 3:47 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 28 min |
| Aug 10, 3:52 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Clay, Dallas and 16 more | 113 min |
| Aug 10, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 36 min |
| Aug 10, 4:55 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 35 min |
| Aug 10, 5:02 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 28 min |
| Aug 10, 5:25 PM CDT | Flash Flood Warning | DMX | Dallas | 6 hr |
| Aug 10, 5:47 PM CDT | Special Weather Statement | DMX | Wright | 43 min |
| Aug 10, 6:09 PM CDT | Special Weather Statement | DMX | Polk | 51 min |
| Aug 10, 6:12 PM CDT | Special Weather Statement | DMX | Kossuth | 18 min |
| Aug 10, 6:33 PM CDT | Special Weather Statement | OAX | Harrison, Monona | 27 min |
| Aug 10, 6:59 PM CDT | Special Weather Statement | OAX | Harrison | 46 min |
| Aug 10, 7:43 PM CDT | Special Weather Statement | OAX | Harrison | 47 min |
| Aug 11, 3:08 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 13 more | 30 hr |
| Aug 11, 3:15 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 30 min |
| Aug 11, 3:46 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 27 hr |
| Aug 11, 3:49 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 16 hr |
| Aug 11, 3:58 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 14 more | 16 hr |
| Aug 11, 4:01 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 18 hr |
| Aug 11, 4:05 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 24 hr |
| Aug 11, 4:29 AM CDT | Special Weather Statement | DMX | Calhoun, Cerro Gordo, Hancock, Humboldt, Kossuth, Palo Alto and 4 more | 61 min |
| Aug 11, 5:35 AM CDT | Special Weather Statement | DMX | Cerro Gordo, Franklin, Hamilton, Webster, Worth, Wright | 55 min |
| Aug 11, 6:03 AM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 87 min |
| Aug 11, 9:32 AM CDT | River Flood Watch | ARX | Clayton | 19 hr |
| Aug 11, 9:32 AM CDT | River Flood Watch | ARX | Clayton | 19 hr |
| Aug 11, 11:02 AM CDT | Special Weather Statement | DVN | Muscatine, Scott | 58 min |
| Aug 11, 11:13 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 62 min |
| Aug 11, 12:37 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 23 more | 2 hr |
| Aug 11, 3:26 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 31 more | 2 hr |
| Aug 11, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 51 more | 7 hr |
| Aug 11, 5:56 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| Aug 11, 6:17 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 43 min |
| Aug 11, 6:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Benton, Black Hawk, Boone and 54 more | 58 min |
| Aug 11, 6:35 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 55 min |
| Aug 11, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 53 min |
| Aug 11, 6:43 PM CDT | Special Weather Statement | DMX | Boone | 62 min |
| Aug 11, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 53 min |
| Aug 11, 7:00 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 60 min |
| Aug 11, 7:13 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 62 min |
| Aug 11, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford, Guthrie | 42 min |
| Aug 11, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 45 min |
| Aug 11, 7:48 PM CDT | Flash Flood Warning | DVN | Linn | 3 hr |
| Aug 11, 8:09 PM CDT | Special Weather Statement | DMX | Adair, Cass | 66 min |
| Aug 11, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Boone, Dallas, Greene, Guthrie | 46 min |
| Aug 11, 8:14 PM CDT | Special Weather Statement | OAX | Mills, Pottawattamie | 31 min |
| Aug 11, 8:16 PM CDT | Special Weather Statement | DVN | Iowa, Jackson, Jones | 59 min |
| Aug 11, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie | 40 min |
| Aug 11, 8:25 PM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Aug 11, 8:39 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Boone, Dallas, Guthrie, Madison, Polk and 2 more | 66 min |
| Aug 11, 8:57 PM CDT | Special Weather Statement | DVN | Benton, Cedar, Clinton, Iowa, Jackson, Johnson and 3 more | 93 min |
| Aug 11, 9:01 PM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 4 hr |
| Aug 11, 9:07 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 47 more | 53 min |
| Aug 11, 9:15 PM CDT | River Flood Watch | DVN | Clinton, Scott | 4 days |
| Aug 11, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Marion, Union, Warren | 40 min |
| Aug 11, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Marion, Marshall, Polk, Story and 1 more | 46 min |
| Aug 11, 9:27 PM CDT | Special Weather Statement | OAX | Fremont, Mills | 48 min |
| Aug 11, 9:31 PM CDT | Flash Flood Warning | DVN | Benton, Iowa, Johnson, Linn | 6 hr |
| Aug 11, 9:36 PM CDT | Special Weather Statement | DMX | Union | 39 min |
| Aug 11, 9:47 PM CDT | Special Weather Statement | OAX | Mills, Montgomery, Page, Pottawattamie | 58 min |
| Aug 11, 9:53 PM CDT | River Flood Watch | DVN | Iowa, Johnson | 4 days |
| Aug 11, 9:53 PM CDT | River Flood Watch | DVN | Johnson, Washington | 4 days |
| Aug 11, 9:59 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Clarke, Jasper, Lucas, Mahaska, Marion and 3 more | 46 min |
| Aug 11, 10:02 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 58 min |
| Aug 11, 10:33 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 87 min |
| Aug 11, 10:40 PM CDT | Special Weather Statement | OAX | Montgomery, Page | 35 min |
| Aug 11, 11:05 PM CDT | Flash Flood Warning | DVN | Cedar | 6 hr |
| Aug 11, 11:18 PM CDT | Special Weather Statement | OAX | Fremont, Page | 42 min |
| Aug 11, 11:53 PM CDT | Special Weather Statement | DVN | Clinton, Des Moines, Henry, Jefferson, Keokuk, Louisa and 4 more | 67 min |
| Aug 12, 2:29 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson, Louisa, Van Buren | 2 hr |
| Aug 12, 7:26 AM CDT | River Flood Warning | DVN | Clinton, Scott | 4 days |
| Aug 12, 8:50 AM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 4 days |
| Aug 12, 8:50 AM CDT | River Flood Warning | DVN | Iowa | 4 days |
| Aug 12, 8:50 AM CDT | River Flood Warning | DVN | Johnson, Washington | 4 days |
| Aug 12, 10:05 AM CDT | Areal Flood Warning | DVN | Benton, Buchanan, Cedar, Clinton, Iowa, Johnson and 4 more | 9 hr |
| Aug 12, 10:44 AM CDT | River Flood Watch | DVN | Louisa | 6 days |
| Aug 12, 10:44 AM CDT | River Flood Watch | DVN | Louisa | 5 days |
| Aug 12, 10:44 AM CDT | River Flood Watch | DVN | Louisa | 5 days |
| Aug 13, 4:40 PM CDT | Special Weather Statement | DMX | Calhoun, Cerro Gordo, Hancock, Humboldt | 65 min |
| Aug 16, 3:19 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Hancock, Kossuth, Lyon and 5 more | 116 min |
| Aug 16, 6:04 PM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Aug 16, 7:32 PM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Plymouth, Sioux, Woodbury | 58 min |
| Aug 16, 7:38 PM CDT | Special Weather Statement | DMX | Winnebago | 67 min |
| Aug 16, 7:47 PM CDT | Special Weather Statement | DMX | Kossuth | 58 min |
| Aug 16, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 40 min |
| Aug 16, 8:28 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 47 min |
| Aug 16, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 40 min |
| Aug 16, 9:10 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 50 min |
| Aug 16, 9:22 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 38 min |
| Aug 16, 11:14 PM CDT | Special Weather Statement | DMX | Winnebago | 31 min |
| Aug 16, 11:52 PM CDT | Special Weather Statement | DMX | Winnebago | 53 min |
| Aug 17, 3:32 AM CDT | Special Weather Statement | ARX | Clayton | 58 min |
| Aug 18, 7:00 AM CDT | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 2 hr |
| Aug 18, 2:31 PM CDT | Mesoscale Discussion | SPC | Mitchell, Worth | 89 min |
| Aug 18, 2:46 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Aug 18, 5:48 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 87 min |
| Aug 18, 5:51 PM CDT | Special Weather Statement | ARX | Allamakee, Winneshiek | 54 min |
| Aug 18, 6:18 PM CDT | Special Weather Statement | DMX | Worth | 12 min |
| Aug 18, 6:25 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton | 50 min |
| Aug 18, 6:31 PM CDT | Special Weather Statement | DMX | Cerro Gordo | 14 min |
| Aug 18, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 11 min |
| Aug 18, 6:49 PM CDT | Special Weather Statement | ARX | Floyd | 26 min |
| Aug 18, 7:13 PM CDT | Special Weather Statement | ARX | Clayton, Fayette | 62 min |
| Aug 18, 7:23 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola | 4 hr |
| Aug 18, 7:31 PM CDT | Special Weather Statement | DMX | Bremer | 44 min |
| Aug 18, 7:41 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 3 more | 94 min |
| Aug 18, 7:49 PM CDT | Special Weather Statement | ARX | Clayton | 41 min |
| Aug 18, 9:36 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, Osceola | 84 min |
| Aug 19, 6:46 AM CDT | Special Weather Statement | DVN | Clinton, Delaware, Dubuque, Jackson, Jones | 89 min |
| Aug 19, 9:30 AM CDT | Special Weather Statement | DMX | Wright | 45 min |
| Aug 19, 9:59 AM CDT | Special Weather Statement | DMX | Hamilton | 46 min |
| Aug 19, 10:05 AM CDT | Special Weather Statement | DMX | Cerro Gordo | 40 min |
| Aug 19, 10:16 AM CDT | Special Weather Statement | DMX | Wright | 44 min |
| Aug 19, 10:57 AM CDT | Special Weather Statement | DMX | Franklin | 48 min |
| Aug 19, 11:41 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 49 min |
| Aug 19, 12:35 PM CDT | Special Weather Statement | DMX | Grundy | 40 min |
| Aug 19, 1:11 PM CDT | Special Weather Statement | DMX | Black Hawk, Bremer | 49 min |
| Aug 19, 3:08 PM CDT | Special Weather Statement | DMX | Wright | 37 min |
| Aug 19, 3:16 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Wright | 44 min |
| Aug 19, 3:27 PM CDT | Special Weather Statement | DVN | Dubuque | 63 min |
| Aug 19, 4:24 PM CDT | Flash Flood Warning | DMX | Hancock, Kossuth, Winnebago | 6 hr |
| Aug 19, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Webster | 19 min |
| Aug 19, 5:49 PM CDT | Flash Flood Warning | DMX | Hamilton, Humboldt, Webster, Wright | 6 hr |
| Aug 19, 6:10 PM CDT | Special Weather Statement | DMX | Hamilton | 35 min |
| Aug 19, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 41 min |
| Aug 19, 6:59 PM CDT | Special Weather Statement | DMX | Story | 46 min |
| Aug 19, 7:30 PM CDT | Special Weather Statement | DMX | Jasper, Marshall | 60 min |
| Aug 19, 8:06 PM CDT | Special Weather Statement | DMX | Butler, Grundy, Hardin | 54 min |
| Aug 19, 8:12 PM CDT | Special Weather Statement | DMX | Jasper, Mahaska, Poweshiek, Tama | 63 min |
| Aug 23, 1:43 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 32 min |
| Aug 23, 2:05 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Bremer, Buena Vista, Butler, Calhoun and 31 more | 55 min |
| Aug 23, 2:08 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Woodbury | 37 min |
| Aug 23, 2:49 PM CDT | Special Weather Statement | DMX | Sac | 41 min |
| Aug 23, 2:52 PM CDT | Special Weather Statement | DMX | Emmet, Palo Alto | 38 min |
| Aug 23, 2:54 PM CDT | Special Weather Statement | DMX | Emmet, Palo Alto | 36 min |
| Aug 23, 3:28 PM CDT | Special Weather Statement | DMX | Humboldt, Palo Alto, Pocahontas | 62 min |
| Aug 23, 3:34 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 41 min |
| Aug 23, 5:00 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Fremont, Harrison, Mills and 7 more | 90 min |
| Aug 23, 5:27 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Hancock | 48 min |
| Aug 23, 5:59 PM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 46 min |
| Aug 23, 6:31 PM CDT | Special Weather Statement | DMX | Cerro Gordo | 29 min |
| Aug 23, 6:38 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard | 52 min |
| Aug 23, 6:48 PM CDT | Special Weather Statement | OAX | Shelby | 27 min |
| Aug 23, 7:10 PM CDT | Special Weather Statement | OAX | Monona | 50 min |
| Aug 23, 7:36 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 39 min |
| Aug 23, 8:21 PM CDT | Flash Flood Warning | OAX | Monona | 3 hr |
| Aug 23, 8:30 PM CDT | Special Weather Statement | ARX | Chickasaw, Winneshiek | 60 min |
| Aug 23, 8:36 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Crawford, Fremont, Harrison and 7 more | 84 min |
| Aug 23, 9:01 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 44 min |
| Aug 23, 9:10 PM CDT | Areal Flood Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 3 hr |
| Aug 23, 9:21 PM CDT | Flash Flood Warning | OAX | Harrison, Pottawattamie | 4 hr |
| Aug 23, 9:36 PM CDT | Special Weather Statement | DMX | Winnebago | 24 min |
| Aug 23, 9:57 PM CDT | Areal Flood Warning | ARX | Chickasaw, Floyd, Howard | 9 hr |
| Aug 23, 10:01 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Mills, Pottawattamie, Shelby | 29 min |
| Aug 23, 10:11 PM CDT | Flash Flood Warning | ARX | Winneshiek | 4 hr |
| Aug 23, 10:27 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Mills, Pottawattamie, Shelby | 48 min |
| Aug 23, 10:54 PM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Aug 23, 10:57 PM CDT | Special Weather Statement | DMX | Cass | 63 min |
| Aug 23, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 37 min |
| Aug 23, 11:08 PM CDT | Special Weather Statement | OAX | Fremont, Mills, Montgomery | 52 min |
| Aug 23, 11:23 PM CDT | Flash Flood Warning | OAX | Pottawattamie | 3 hr |
| Aug 23, 11:45 PM CDT | Special Weather Statement | DMX | Winnebago, Worth | 60 min |
| Aug 24, 12:03 AM CDT | Special Weather Statement | OAX | Fremont, Mills, Montgomery, Page | 42 min |
| Aug 24, 12:07 AM CDT | Severe Thunderstorm Warning | OAX | Page | 28 min |
| Aug 24, 12:11 AM CDT | Special Weather Statement | DMX | Adair, Madison, Union | 64 min |
| Aug 24, 12:21 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 4 hr |
| Aug 24, 12:29 AM CDT | Flash Flood Warning | DMX | Winnebago, Worth | 6 hr |
| Aug 24, 12:49 AM CDT | Special Weather Statement | DMX | Clarke, Decatur, Ringgold, Union | 41 min |
| Aug 24, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 46 min |
| Aug 24, 1:02 AM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 6 hr |
| Aug 24, 2:05 AM CDT | River Flood Warning | ARX | Winneshiek | 25 hr |
| Aug 24, 2:05 AM CDT | River Flood Warning | ARX | Allamakee | 3 days |
| Aug 24, 3:36 AM CDT | Areal Flood Warning | ARX | Fayette | 32 hr |
| Aug 24, 3:48 AM CDT | Flash Flood Warning | ARX | Chickasaw, Howard | 3 hr |
| Aug 24, 3:51 AM CDT | Flash Flood Watch | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 8 more | 24 hr |
| Aug 24, 4:00 AM CDT | Flash Flood Watch | OAX | Fremont, Page | 16 hr |
| Aug 24, 4:05 AM CDT | Flash Flood Watch | DVN | Cedar, Des Moines, Henry, Jefferson, Johnson, Keokuk and 6 more | 23 hr |
| Aug 24, 4:11 AM CDT | River Flood Warning | ARX | Winneshiek | 17 hr |
| Aug 24, 4:17 AM CDT | Areal Flood Warning | ARX | Howard, Mitchell | 3 hr |
| Aug 24, 6:46 AM CDT | Flash Flood Warning | ARX | Allamakee, Chickasaw, Howard, Winneshiek | 6 hr |
| Aug 24, 8:00 AM CDT | River Flood Warning | ARX | Floyd | 48 hr |
| Aug 24, 8:59 AM CDT | River Flood Warning | ARX | Clayton | 4 days |
| Aug 24, 8:59 AM CDT | River Flood Warning | ARX | Clayton | 3 days |
| Aug 24, 10:38 AM CDT | Special Weather Statement | ARX | Chickasaw, Winneshiek | 82 min |
| Aug 24, 11:03 AM CDT | Areal Flood Warning | ARX | Allamakee, Chickasaw, Howard, Winneshiek | 24 hr |
| Aug 24, 5:02 PM CDT | Special Weather Statement | DMX | Madison | 43 min |
| Aug 24, 6:24 PM CDT | Special Weather Statement | DMX | Marion | 66 min |
| Aug 24, 6:32 PM CDT | Special Weather Statement | DMX | Mahaska | 43 min |
| Aug 24, 6:51 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 24 min |
| Aug 24, 7:09 PM CDT | Special Weather Statement | DVN | Iowa, Keokuk, Washington | 66 min |
| Aug 24, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 18 min |
| Aug 24, 8:01 PM CDT | Special Weather Statement | DVN | Cedar, Johnson, Louisa, Muscatine, Washington | 59 min |
| Aug 24, 8:54 PM CDT | Special Weather Statement | DVN | Muscatine, Scott | 66 min |
| Aug 25, 8:38 AM CDT | Areal Flood Warning | DMX | Butler | 24 hr |
| Aug 25, 8:52 AM CDT | Areal Flood Warning | ARX | Floyd | 12 hr |
| Aug 25, 9:26 AM CDT | River Flood Warning | DMX | Black Hawk | 4 days |
| Aug 25, 10:41 AM CDT | Areal Flood Warning | ARX | Fayette, Winneshiek | 24 hr |
| Aug 25, 10:48 AM CDT | Areal Flood Warning | ARX | Chickasaw | 36 hr |
| Aug 25, 11:26 AM CDT | Areal Flood Warning | DMX | Bremer | 72 hr |
| Aug 26, 10:14 AM CDT | Areal Flood Warning | ARX | Fayette | 9 hr |
| Aug 27, 1:11 AM CDT | Special Weather Statement | DVN | Clinton, Des Moines, Henry, Lee, Louisa, Scott | 2 hr |
| Aug 28, 3:33 AM CDT | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Aug 28, 10:45 AM CDT | River Flood Watch | DVN | Des Moines, Louisa | 7 days |
| Aug 28, 10:45 AM CDT | River Flood Watch | DVN | Des Moines | 8 days |
| Aug 28, 10:45 AM CDT | River Flood Watch | DVN | Des Moines, Lee | 7 days |
| Aug 28, 10:45 AM CDT | River Flood Watch | DVN | Cedar, Louisa, Muscatine | 6 days |
| Aug 28, 1:31 PM CDT | Special Weather Statement | DVN | Johnson | 59 min |
| Aug 28, 3:44 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 31 min |
| Aug 28, 4:11 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 34 min |
| Aug 28, 4:25 PM CDT | Special Weather Statement | DMX | Ringgold | 50 min |
| Aug 28, 4:33 PM CDT | Tornado Warning | DVN | Buchanan, Delaware, Linn | 27 min |
| Aug 28, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 31 min |
| Aug 28, 5:23 PM CDT | Flash Flood Warning | DMX | Ringgold | 6 hr |
| Aug 28, 5:27 PM CDT | Special Weather Statement | OAX | Shelby | 33 min |
| Aug 28, 5:33 PM CDT | Special Weather Statement | OAX | Page | 42 min |
| Aug 28, 5:36 PM CDT | Special Weather Statement | OAX | Harrison | 39 min |
| Aug 28, 5:43 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 32 min |
| Aug 28, 5:55 PM CDT | Special Weather Statement | DVN | Clinton | 35 min |
| Aug 28, 6:14 PM CDT | Special Weather Statement | DVN | Clinton | 31 min |
| Aug 28, 6:15 PM CDT | Special Weather Statement | DMX | Polk | 30 min |
| Aug 28, 6:24 PM CDT | Areal Flood Advisory | OAX | Shelby | 2 hr |
| Aug 28, 6:32 PM CDT | Special Weather Statement | DVN | Clinton | 28 min |
| Aug 29, 9:54 AM CDT | River Flood Watch | DVN | Louisa | 5 days |
| Aug 29, 10:40 AM CDT | River Flood Warning | DVN | Des Moines | 7 days |
| Aug 29, 10:40 AM CDT | River Flood Warning | DVN | Des Moines, Lee | 6 days |
| Aug 29, 10:40 AM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 5 days |
| Aug 29, 11:53 AM CDT | Special Weather Statement | DMX | Cerro Gordo, Hancock, Humboldt, Kossuth, Winnebago, Worth and 1 more | 52 min |
| Aug 29, 12:44 PM CDT | Flash Flood Warning | DMX | Humboldt, Kossuth, Wright | 6 hr |
| Aug 29, 1:17 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Jones, Linn | 3 hr |
| Aug 29, 2:39 PM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 28 hr |
| Aug 29, 3:09 PM CDT | Special Weather Statement | DMX | Hardin | 51 min |
| Aug 29, 3:17 PM CDT | Special Weather Statement | DVN | Clinton, Scott | 28 min |
| Aug 29, 3:40 PM CDT | Special Weather Statement | DVN | Clinton | 35 min |
| Aug 29, 3:44 PM CDT | Special Weather Statement | DMX | Grundy | 61 min |
| Aug 29, 3:59 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 46 min |
| Aug 29, 4:05 PM CDT | Special Weather Statement | DMX | Polk | 40 min |
| Aug 29, 4:56 PM CDT | Special Weather Statement | DMX | Tama | 34 min |
| Aug 29, 4:59 PM CDT | Special Weather Statement | DMX | Tama | 31 min |
| Aug 29, 5:06 PM CDT | Special Weather Statement | DVN | Benton | 54 min |
| Aug 29, 5:08 PM CDT | Special Weather Statement | DMX | Boone, Dallas, Guthrie, Story | 52 min |
| Aug 29, 5:25 PM CDT | Flash Flood Warning | DMX | Boone, Story | 6 hr |
| Aug 29, 5:50 PM CDT | Special Weather Statement | DVN | Benton | 55 min |
| Aug 29, 5:53 PM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Aug 29, 6:26 PM CDT | Special Weather Statement | DVN | Van Buren | 49 min |
| Aug 29, 6:43 PM CDT | Flash Flood Warning | DVN | Van Buren | 6 hr |
| Aug 29, 7:41 PM CDT | Special Weather Statement | DMX | Wapello | 49 min |
| Aug 29, 8:11 PM CDT | Special Weather Statement | DVN | Keokuk | 34 min |
| Aug 29, 8:39 PM CDT | Special Weather Statement | DMX | Mahaska | 66 min |
| Aug 30, 2:46 AM CDT | River Flood Warning | DVN | Des Moines, Louisa | 5 days |
| Aug 30, 9:06 AM CDT | River Flood Watch | DVN | Clinton, Scott | 8 days |
| Aug 30, 9:56 AM CDT | River Flood Warning | DVN | Louisa | 5 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 | 68 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 121 |
| Flooding | |
| Areal Flood Warning | 12 |
| Flash Flood Warning | 22 |
| River Flood Warning | 16 |
| Flash Flood Watch | 10 |
| River Flood Watch | 14 |
| Areal Flood Advisory | 6 |
| Heat | |
| Heat Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County26
- Allamakee County22
- Clayton County22
- Clinton County22
- Winneshiek County22
- Mills County21
- Chickasaw County21
- Harrison County21
- Guthrie County20
- Shelby County19
- Wright County19
- Scott County19
- Louisa County19
- Fremont County18
- Story County18
- Fayette County18
- Adair County17
- Union County17
- Cerro Gordo County17
- Page County17
- Benton County17
- Howard County17
- Muscatine County17
- Montgomery County16
- Ringgold County16
- Audubon County16
- Cass County16
- Boone County16
- Dallas County16
- Grundy County16
- Jasper County16
- Polk County16
- Cedar County16
- Tama County16
- Floyd County16
- Madison County15
- Adams County15
- Humboldt County15
- Winnebago County15
- Buchanan County15
59 more counties
- Johnson County15
- Kossuth County15
- Warren County14
- Butler County14
- Franklin County14
- Hancock County14
- Marion County14
- Marshall County14
- Iowa County14
- Linn County14
- Mitchell County14
- Monona County14
- Taylor County13
- Calhoun County13
- Greene County13
- Clarke County13
- Hamilton County13
- Hardin County13
- Bremer County13
- Jackson County13
- Carroll County12
- Pocahontas County12
- Black Hawk County12
- Delaware County12
- Dubuque County12
- Mahaska County12
- Des Moines County12
- Sioux County12
- Palo Alto County12
- Sac County11
- Poweshiek County11
- Webster County11
- Jones County11
- Washington County11
- Woodbury County11
- Decatur County10
- Lucas County10
- Worth County10
- O'Brien County10
- Monroe County9
- Wayne County9
- Cherokee County9
- Ida County9
- Plymouth County9
- Crawford County9
- Appanoose County8
- Keokuk County8
- Buena Vista County8
- Lyon County7
- Clay County7
- Emmet County7
- Van Buren County7
- Dickinson County6
- Osceola County6
- Henry County6
- Davis County5
- Wapello County5
- Jefferson County5
- Lee County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.