Alert archive / Iowa / 2007
Weather alerts in Iowa, August 2007
502 weather alerts in August 2007, 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 2007. Tap one for its archive.
- Alerts
- 502
- Warnings
- 351
- Watches
- 47
- Advisories
- 32
- Busiest day
- August 22, 200757 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 4, 1:49 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 7 more | 86 min |
| Aug 4, 5:04 AM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee | 4 hr |
| Aug 4, 5:04 AM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Dickinson, Ida, Osceola, Plymouth and 1 more | 19 days |
| Aug 4, 1:01 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 2 hr |
| Aug 4, 2:51 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 16 more | 114 min |
| Aug 4, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 50 more | 6 hr |
| Aug 4, 6:09 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 40 more | 66 min |
| Aug 4, 7:14 PM CDT | Tornado Warning | FSD | Buena Vista, Cherokee | 46 min |
| Aug 4, 7:42 PM CDT | Tornado Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 16 more | 3 hr |
| Aug 4, 9:07 PM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Pottawattamie | 53 min |
| Aug 4, 9:22 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 15 more | 53 min |
| Aug 4, 10:58 PM CDT | Flash Flood Warning | DMX | Calhoun, Webster | 4 hr |
| Aug 5, 3:54 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Cass, Cedar and 39 more | 96 min |
| Aug 5, 11:44 PM CDT | Mesoscale Discussion | SPC | Appanoose, Wayne | 91 min |
| Aug 6, 4:06 AM CDT | Flash Flood Watch | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 26 more | 24 hr |
| Aug 6, 5:26 AM CDT | Dense Fog Advisory | OAX | Harrison, Mills, Monona, Montgomery, Pottawattamie, Shelby | 4 hr |
| Aug 6, 11:08 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 28 more | 97 min |
| Aug 6, 2:13 PM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Winneshiek | 19 hr |
| Aug 6, 2:22 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 17 more | 83 min |
| Aug 6, 3:14 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 17 hr |
| Aug 6, 6:47 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Aug 6, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 33 min |
| Aug 6, 7:24 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 42 more | 96 min |
| Aug 6, 8:25 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 65 min |
| Aug 6, 8:35 PM CDT | Tornado Warning | DMX | Cass | 25 min |
| Aug 6, 8:57 PM CDT | Tornado Warning | DMX | Cass | 33 min |
| Aug 6, 9:08 PM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Aug 6, 9:17 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 58 min |
| Aug 6, 9:28 PM CDT | Flash Flood Warning | DMX | Audubon | 3 hr |
| Aug 6, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 44 min |
| Aug 6, 9:54 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 25 min |
| Aug 6, 9:59 PM CDT | Flash Flood Warning | DMX | Guthrie | 3 hr |
| Aug 6, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 41 min |
| Aug 6, 10:24 PM CDT | Flash Flood Watch | OAX | Harrison, Mills, Montgomery, Pottawattamie, Shelby | 6 hr |
| Aug 6, 10:28 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Fremont and 10 more | 3 hr |
| Aug 6, 10:36 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 39 min |
| Aug 6, 10:47 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 43 min |
| Aug 6, 10:53 PM CDT | Flash Flood Warning | DMX | Carroll | 3 hr |
| Aug 6, 11:02 PM CDT | Flash Flood Warning | DMX | Grundy, Hardin | 3 hr |
| Aug 6, 11:22 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 38 min |
| Aug 6, 11:37 PM CDT | Flash Flood Warning | DMX | Crawford | 4 hr |
| Aug 7, 12:07 AM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Aug 7, 12:10 AM CDT | Flash Flood Warning | DMX | Audubon | 3 hr |
| Aug 7, 12:22 AM CDT | Flash Flood Warning | DMX | Black Hawk | 3 hr |
| Aug 7, 12:55 AM CDT | Flash Flood Warning | DMX | Guthrie | 3 hr |
| Aug 7, 12:57 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 51 min |
| Aug 7, 1:10 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 50 min |
| Aug 7, 1:23 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 52 min |
| Aug 7, 3:25 AM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 36 hr |
| Aug 7, 1:58 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Cedar, Clarke, Clinton, Davis and 29 more | 2 hr |
| Aug 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Cedar, Clarke and 32 more | 6 hr |
| Aug 7, 5:09 PM CDT | Severe Thunderstorm Warning | OAX | Page | 51 min |
| Aug 7, 5:14 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 61 min |
| Aug 7, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 42 min |
| Aug 7, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 38 min |
| Aug 7, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 47 min |
| Aug 7, 6:01 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 44 min |
| Aug 7, 6:20 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 40 min |
| Aug 7, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Union | 40 min |
| Aug 7, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 47 min |
| Aug 7, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 48 min |
| Aug 7, 7:22 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 53 min |
| Aug 7, 7:42 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 48 min |
| Aug 7, 7:48 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 42 min |
| Aug 7, 7:56 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 64 min |
| Aug 7, 7:59 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 46 min |
| Aug 7, 8:00 PM CDT | Flash Flood Warning | DMX | Warren | 6 hr |
| Aug 7, 8:13 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cedar, Clarke, Dallas and 28 more | 92 min |
| Aug 7, 9:35 PM CDT | Flash Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more | 6 hr |
| Aug 7, 11:46 PM CDT | Mesoscale Discussion | SPC | Fremont, Page, Taylor | 2 hr |
| Aug 8, 12:44 AM CDT | Flash Flood Warning | OAX | Page | 6 hr |
| Aug 8, 3:39 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 17 hr |
| Aug 8, 4:01 AM CDT | Flash Flood Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 6 more | 16 hr |
| Aug 8, 6:40 AM CDT | Flash Flood Warning | OAX | Page | 4 hr |
| Aug 8, 3:18 PM CDT | Mesoscale Discussion | SPC | Fremont, Page | 87 min |
| Aug 8, 3:28 PM CDT | Mesoscale Discussion | SPC | Lee | 62 min |
| Aug 8, 3:34 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 5 hr |
| Aug 8, 4:43 PM CDT | Tornado Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 10 more | 7 hr |
| Aug 8, 7:06 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Fremont, Monroe, Page and 4 more | 54 min |
| Aug 8, 7:15 PM CDT | Tornado Warning | DMX | Taylor | 45 min |
| Aug 8, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 48 min |
| Aug 8, 8:02 PM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 6 hr |
| Aug 8, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 43 min |
| Aug 8, 8:54 PM CDT | Flash Flood Warning | DMX | Mahaska | 6 hr |
| Aug 8, 9:16 PM CDT | Mesoscale Discussion | SPC | Lee, Van Buren | 59 min |
| Aug 8, 9:40 PM CDT | River Flood Advisory | DVN | Johnson, Washington | 24 hr |
| Aug 8, 9:40 PM CDT | River Flood Advisory | DVN | Keokuk | 24 hr |
| Aug 8, 9:43 PM CDT | Flash Flood Warning | DVN | Keokuk | 6 hr |
| Aug 9, 12:05 AM CDT | River Flood Warning | DVN | Keokuk | 41 hr |
| Aug 9, 4:20 AM CDT | River Flood Warning | DVN | Johnson, Washington | 25 hr |
| Aug 9, 11:03 AM CDT | River Flood Warning | DVN | Henry, Jefferson, Washington | 23 hr |
| Aug 9, 11:03 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 9 hr |
| Aug 9, 8:34 PM CDT | River Flood Advisory | DVN | Des Moines, Henry, Lee | 14 hr |
| Aug 9, 9:33 PM CDT | Mesoscale Discussion | SPC | Crawford, Harrison, Monona, Plymouth, Woodbury | 87 min |
| Aug 9, 10:14 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Fremont, Harrison, Ida, Mills, Monona and 6 more | 6 hr |
| Aug 9, 10:59 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| Aug 9, 11:24 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 51 min |
| Aug 9, 11:47 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 46 min |
| Aug 10, 1:45 AM CDT | Mesoscale Discussion | SPC | Cass, Crawford, Fremont, Harrison, Mills, Monona and 5 more | 60 min |
| Aug 10, 2:02 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 25 min |
| Aug 10, 4:16 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 63 hr |
| Aug 10, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | Plymouth, Sioux, Woodbury | 5 hr |
| Aug 11, 2:51 AM CDT | High Wind Warning | FSD | Lyon | 69 min |
| Aug 11, 9:43 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 3 more | 92 min |
| Aug 11, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Howard, Mitchell, Winneshiek | 5 hr |
| Aug 11, 11:46 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 119 min |
| Aug 12, 1:20 AM CDT | Mesoscale Discussion | SPC | Jackson | 25 min |
| Aug 12, 2:52 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 12 more | 83 min |
| Aug 12, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 16 more | 7 hr |
| Aug 12, 5:01 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 59 min |
| Aug 12, 5:11 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 43 min |
| Aug 12, 5:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 57 min |
| Aug 12, 5:21 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 54 min |
| Aug 12, 5:41 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 49 min |
| Aug 12, 5:49 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Dallas, Guthrie and 9 more | 86 min |
| Aug 12, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 53 min |
| Aug 12, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 50 min |
| Aug 12, 6:06 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 54 min |
| Aug 12, 6:12 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 33 min |
| Aug 12, 6:18 PM CDT | Severe Thunderstorm Warning | OAX | Page | 57 min |
| Aug 12, 6:20 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 55 min |
| Aug 12, 6:28 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 47 min |
| Aug 12, 6:32 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 43 min |
| Aug 12, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 32 min |
| Aug 12, 6:48 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 57 min |
| Aug 12, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 55 min |
| Aug 12, 7:01 PM CDT | Severe Thunderstorm Warning | DMX | Union | 59 min |
| Aug 12, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 53 min |
| Aug 12, 7:14 PM CDT | Severe Thunderstorm Warning | OAX | Page | 16 min |
| Aug 12, 7:20 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 55 min |
| Aug 12, 7:27 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 48 min |
| Aug 12, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 53 min |
| Aug 12, 7:52 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 53 min |
| Aug 12, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 45 min |
| Aug 12, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 55 min |
| Aug 12, 8:30 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Lucas, Monroe, Van Buren, Wayne | 90 min |
| Aug 13, 2:59 AM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Audubon, Boone, Calhoun, Carroll and 23 more | 61 min |
| Aug 13, 3:49 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 39 hr |
| Aug 13, 6:22 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 23 min |
| Aug 13, 10:03 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Carroll, Cass and 17 more | 26 hr |
| Aug 13, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 11 more | 6 hr |
| Aug 13, 11:35 PM CDT | Mesoscale Discussion | SPC | Allamakee | 85 min |
| Aug 14, 1:23 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 27 more | 67 min |
| Aug 14, 2:44 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 61 min |
| Aug 14, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 4 hr |
| Aug 14, 3:09 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 66 min |
| Aug 14, 3:32 AM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 7 more | 28 min |
| Aug 14, 3:45 AM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 14 hr |
| Aug 14, 5:43 AM CDT | Mesoscale Discussion | SPC | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 62 min |
| Aug 14, 3:05 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Calhoun and 28 more | 85 min |
| Aug 14, 5:39 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 51 min |
| Aug 14, 6:54 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Audubon, Boone, Calhoun, Carroll and 35 more | 66 min |
| Aug 15, 2:28 AM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Sioux | 92 min |
| Aug 15, 6:38 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 37 min |
| Aug 15, 6:56 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hardin | 49 min |
| Aug 15, 6:57 AM CDT | Severe Thunderstorm Warning | ARX | Floyd | 33 min |
| Aug 15, 7:10 AM CDT | Severe Thunderstorm Warning | DMX | Butler | 35 min |
| Aug 15, 7:15 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 14 more | 60 min |
| Aug 15, 7:35 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 55 min |
| Aug 15, 7:38 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 39 min |
| Aug 15, 7:50 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 7 more | 55 min |
| Aug 15, 7:51 AM CDT | Severe Thunderstorm Warning | DMX | Bremer | 39 min |
| Aug 15, 7:52 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Black Hawk, Bremer, Buchanan, Cedar, Clayton and 15 more | 5 hr |
| Aug 15, 8:10 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 65 min |
| Aug 15, 8:15 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 45 min |
| Aug 15, 8:20 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 40 min |
| Aug 15, 8:53 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 67 min |
| Aug 15, 8:59 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 21 min |
| Aug 15, 9:41 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 64 min |
| Aug 15, 10:11 AM CDT | Severe Thunderstorm Warning | DVN | Johnson | 44 min |
| Aug 15, 10:32 AM CDT | Severe Thunderstorm Warning | DVN | Cedar | 58 min |
| Aug 15, 11:19 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 56 min |
| Aug 15, 12:04 PM CDT | Mesoscale Discussion | SPC | Louisa, Muscatine, Scott | 86 min |
| Aug 15, 12:09 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 25 min |
| Aug 16, 3:10 AM CDT | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 hr |
| Aug 16, 3:27 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 9 more | 5 hr |
| Aug 16, 3:38 AM CDT | Dense Fog Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 4 more | 4 hr |
| Aug 16, 5:43 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Harrison and 10 more | 62 min |
| Aug 16, 7:36 AM CDT | Mesoscale Discussion | SPC | Lee | 54 min |
| Aug 17, 1:43 AM CDT | Dense Fog Advisory | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 7 hr |
| Aug 17, 3:29 AM CDT | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Boone, Clarke, Dallas and 19 more | 6 hr |
| Aug 18, 3:19 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 49 hr |
| Aug 18, 3:39 AM CDT | Flash Flood Watch | DMX | Black Hawk, Boone, Bremer, Butler, Cerro Gordo, Emmet and 16 more | 48 hr |
| Aug 18, 8:20 AM CDT | Flash Flood Warning | DMX | Palo Alto | 6 hr |
| Aug 18, 3:09 PM CDT | Flash Flood Watch | FSD | Clay, Dickinson, Osceola | 13 hr |
| Aug 18, 3:56 PM CDT | Mesoscale Discussion | SPC | Lyon, Plymouth, Sioux | 2 hr |
| Aug 18, 5:48 PM CDT | River Flood Warning | ARX | Clayton | 17 hr |
| Aug 18, 5:48 PM CDT | River Flood Warning | ARX | Clayton | 17 hr |
| Aug 18, 5:48 PM CDT | River Flood Warning | ARX | Allamakee | 35 hr |
| Aug 18, 6:17 PM CDT | Tornado Watch | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 21 more | 6 hr |
| Aug 18, 8:03 PM CDT | Mesoscale Discussion | SPC | Allamakee, Dickinson, Emmet, Howard, Mitchell, Winnebago and 2 more | 3 hr |
| Aug 18, 11:10 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 21 more | 110 min |
| Aug 19, 3:38 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 6 days |
| Aug 19, 4:41 AM CDT | Flash Flood Warning | DMX | Humboldt, Webster, Wright | 6 hr |
| Aug 19, 5:39 AM CDT | Flash Flood Warning | DMX | Pocahontas | 6 hr |
| Aug 19, 5:49 AM CDT | Flash Flood Warning | DMX | Cerro Gordo | 6 hr |
| Aug 19, 6:12 AM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Buchanan, Butler, Chickasaw, Clayton and 8 more | 93 min |
| Aug 19, 7:16 AM CDT | Flash Flood Warning | ARX | Winneshiek | 3 hr |
| Aug 19, 10:16 AM CDT | River Flood Warning | ARX | Floyd, Mitchell | 18 hr |
| Aug 19, 11:11 AM CDT | Flash Flood Watch | FSD | Clay, Dickinson, Osceola | 7 hr |
| Aug 19, 1:20 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Chickasaw, Clarke, Clayton and 33 more | 3 hr |
| Aug 19, 3:35 PM CDT | Flash Flood Warning | DVN | Buchanan | 115 min |
| Aug 19, 4:51 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 6 hr |
| Aug 19, 5:08 PM CDT | Flash Flood Warning | ARX | Floyd, Mitchell | 3 hr |
| Aug 19, 5:29 PM CDT | Flash Flood Warning | DVN | Buchanan | 3 hr |
| Aug 19, 5:35 PM CDT | Flash Flood Warning | ARX | Chickasaw, Howard | 3 hr |
| Aug 19, 6:06 PM CDT | Flash Flood Warning | DMX | Black Hawk | 6 hr |
| Aug 19, 6:21 PM CDT | Flash Flood Warning | DMX | Wright | 6 hr |
| Aug 19, 6:32 PM CDT | Flash Flood Warning | DMX | Franklin | 6 hr |
| Aug 19, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 30 min |
| Aug 19, 7:35 PM CDT | Tornado Warning | DMX | Hardin | 20 min |
| Aug 19, 9:32 PM CDT | River Flood Warning | ARX | Clayton | 23 hr |
| Aug 19, 9:32 PM CDT | River Flood Warning | ARX | Clayton | 8 hr |
| Aug 19, 9:41 PM CDT | Flash Flood Warning | DMX | Boone | 6 hr |
| Aug 19, 11:46 PM CDT | Flash Flood Warning | DMX | Webster | 6 hr |
| Aug 20, 12:10 AM CDT | Flash Flood Warning | DMX | Wright | 6 hr |
| Aug 20, 12:11 AM CDT | Flash Flood Warning | DMX | Calhoun | 6 hr |
| Aug 20, 12:27 AM CDT | Flash Flood Warning | DMX | Franklin | 6 hr |
| Aug 20, 12:40 AM CDT | Flash Flood Warning | DMX | Butler | 6 hr |
| Aug 20, 12:50 AM CDT | Flash Flood Warning | DMX | Humboldt | 6 hr |
| Aug 20, 1:14 AM CDT | Flash Flood Warning | DMX | Pocahontas | 6 hr |
| Aug 20, 3:48 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 4 more | 20 hr |
| Aug 20, 3:55 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 4 days |
| Aug 20, 4:45 AM CDT | River Flood Warning | DMX | Webster | 12 hr |
| Aug 20, 4:57 AM CDT | River Flood Warning | DMX | Black Hawk, Butler | 16 hr |
| Aug 20, 5:08 AM CDT | River Flood Warning | DMX | Boone, Hamilton, Webster | 8 days |
| Aug 20, 5:59 AM CDT | Flash Flood Warning | DMX | Emmet, Kossuth | 6 hr |
| Aug 20, 9:02 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Aug 20, 9:12 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Sioux | 48 min |
| Aug 20, 9:27 AM CDT | Flash Flood Warning | DMX | Emmet, Kossuth | 4 hr |
| Aug 20, 9:34 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 56 min |
| Aug 20, 9:34 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 21 more | 56 min |
| Aug 20, 9:46 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 29 min |
| Aug 20, 10:14 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 34 min |
| Aug 20, 10:15 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 30 min |
| Aug 20, 10:18 AM CDT | Flash Flood Warning | DMX | Boone, Calhoun, Greene, Pocahontas, Webster | 4 hr |
| Aug 20, 10:18 AM CDT | Flash Flood Warning | DMX | Boone, Calhoun, Greene, Humboldt, Pocahontas, Webster | 4 hr |
| Aug 20, 10:23 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 17 min |
| Aug 20, 10:24 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 51 min |
| Aug 20, 10:54 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 66 min |
| Aug 20, 3:01 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 67 hr |
| Aug 20, 3:01 PM CDT | River Flood Warning | FSD | Buena Vista | 7 days |
| Aug 20, 3:03 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Fremont, Harrison, Ida, Lyon and 8 more | 117 min |
| Aug 20, 3:49 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| Aug 20, 6:27 PM CDT | Mesoscale Discussion | SPC | Page | 2 hr |
| Aug 20, 7:03 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 17 more | 117 min |
| Aug 20, 7:35 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 15 more | 85 min |
| Aug 20, 7:37 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 38 min |
| Aug 20, 7:43 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 25 min |
| Aug 20, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 67 min |
| Aug 20, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 50 more | 5 hr |
| Aug 20, 8:11 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 34 min |
| Aug 20, 8:22 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 25 min |
| Aug 20, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 58 min |
| Aug 20, 8:37 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 53 min |
| Aug 20, 9:02 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 47 min |
| Aug 20, 9:02 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 28 min |
| Aug 20, 9:07 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor | 53 min |
| Aug 20, 9:23 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 67 min |
| Aug 20, 9:26 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 49 min |
| Aug 20, 9:28 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 31 min |
| Aug 20, 9:41 PM CDT | Flash Flood Warning | DMX | Webster | 6 hr |
| Aug 20, 9:56 PM CDT | Flash Flood Warning | DMX | Calhoun | 6 hr |
| Aug 20, 9:57 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 48 min |
| Aug 20, 10:03 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 42 min |
| Aug 20, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 39 min |
| Aug 20, 10:06 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Boone, Buena Vista, Calhoun and 43 more | 84 min |
| Aug 20, 10:08 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 52 min |
| Aug 20, 10:11 PM CDT | Flash Flood Warning | DMX | Boone | 6 hr |
| Aug 20, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 46 min |
| Aug 20, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 45 min |
| Aug 20, 10:16 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 44 min |
| Aug 20, 10:22 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 38 min |
| Aug 20, 10:26 PM CDT | Severe Thunderstorm Warning | DMX | Story | 49 min |
| Aug 20, 10:49 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 41 min |
| Aug 20, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 46 min |
| Aug 20, 11:21 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 39 min |
| Aug 20, 11:21 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Marshall | 39 min |
| Aug 20, 11:33 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 6 hr |
| Aug 20, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 42 min |
| Aug 21, 12:29 AM CDT | Flash Flood Warning | DVN | Buchanan | 4 hr |
| Aug 21, 1:57 AM CDT | River Flood Warning | DMX | Black Hawk, Butler | 5 days |
| Aug 21, 2:52 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 38 min |
| Aug 21, 3:30 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 45 min |
| Aug 21, 3:47 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 3 more | 21 hr |
| Aug 21, 4:05 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 24 hr |
| Aug 21, 4:24 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 51 min |
| Aug 21, 10:11 AM CDT | River Flood Warning | DMX | Black Hawk, Butler | 4 days |
| Aug 21, 10:55 AM CDT | River Flood Warning | FSD | Dickinson | 11 days |
| Aug 21, 11:48 AM CDT | River Flood Warning | DVN | Delaware, Jones | 22 hr |
| Aug 21, 4:50 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Howard, Mitchell, Osceola, Winnebago and 1 more | 85 min |
| Aug 21, 6:17 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Ida, Lyon and 6 more | 88 min |
| Aug 21, 6:47 PM CDT | Tornado Watch | SPC | Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 34 more | 7 hr |
| Aug 21, 6:55 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 50 min |
| Aug 21, 7:16 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 59 min |
| Aug 21, 7:35 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 55 min |
| Aug 21, 7:40 PM CDT | Flash Flood Warning | DMX | Palo Alto | 6 hr |
| Aug 21, 7:49 PM CDT | Tornado Warning | DMX | Humboldt, Pocahontas | 41 min |
| Aug 21, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 56 min |
| Aug 21, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 53 min |
| Aug 21, 8:14 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Buchanan, Chickasaw, Clayton, Delaware, Dubuque and 5 more | 8 hr |
| Aug 21, 8:24 PM CDT | Flash Flood Warning | DMX | Winnebago, Worth | 6 hr |
| Aug 21, 8:24 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Pocahontas, Webster | 66 min |
| Aug 21, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 46 min |
| Aug 21, 8:33 PM CDT | Flash Flood Warning | DMX | Franklin, Humboldt, Wright | 6 hr |
| Aug 21, 8:33 PM CDT | Flash Flood Warning | DMX | Franklin, Humboldt, Pocahontas, Wright | 6 hr |
| Aug 21, 8:55 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 65 min |
| Aug 21, 9:14 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 3 hr |
| Aug 21, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 38 min |
| Aug 21, 9:50 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 40 min |
| Aug 21, 9:53 PM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 3 hr |
| Aug 21, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 60 min |
| Aug 21, 10:06 PM CDT | Flash Flood Warning | DMX | Webster | 6 hr |
| Aug 21, 10:13 PM CDT | Flash Flood Warning | DMX | Bremer, Butler | 6 hr |
| Aug 21, 10:13 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 47 min |
| Aug 21, 10:15 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 45 min |
| Aug 21, 10:21 PM CDT | River Flood Warning | DMX | Humboldt | 5 days |
| Aug 21, 10:21 PM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 42 hr |
| Aug 21, 10:35 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 27 min |
| Aug 21, 10:45 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 30 min |
| Aug 21, 10:49 PM CDT | Mesoscale Discussion | SPC | Allamakee, Audubon, Benton, Black Hawk, Boone, Bremer and 37 more | 86 min |
| Aug 21, 11:07 PM CDT | Flash Flood Warning | DMX | Webster | 6 hr |
| Aug 21, 11:09 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 51 min |
| Aug 21, 11:16 PM CDT | Flash Flood Warning | DMX | Grundy, Hardin | 6 hr |
| Aug 21, 11:17 PM CDT | Flash Flood Warning | DMX | Grundy, Hamilton, Hardin | 6 hr |
| Aug 21, 11:22 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 23 min |
| Aug 21, 11:32 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 28 min |
| Aug 22, 12:38 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 37 min |
| Aug 22, 2:13 AM CDT | Mesoscale Discussion | SPC | Jackson | 62 min |
| Aug 22, 3:20 AM CDT | River Flood Warning | DMX | Webster | 66 hr |
| Aug 22, 3:56 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 4 more | 35 hr |
| Aug 22, 4:18 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 35 hr |
| Aug 22, 4:44 AM CDT | River Flood Warning | ARX | Allamakee | 35 hr |
| Aug 22, 5:55 AM CDT | River Flood Warning | DMX | Black Hawk | 4 days |
| Aug 22, 5:55 AM CDT | River Flood Warning | DMX | Black Hawk | 4 days |
| Aug 22, 6:45 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 13 more | 60 min |
| Aug 22, 6:55 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 50 min |
| Aug 22, 8:16 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 44 min |
| Aug 22, 9:12 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 48 min |
| Aug 22, 9:57 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 48 min |
| Aug 22, 10:09 AM CDT | River Flood Warning | DVN | Iowa, Johnson | 10 days |
| Aug 22, 10:12 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Crawford, Humboldt and 8 more | 93 min |
| Aug 22, 10:19 AM CDT | River Flood Advisory | DVN | Buchanan, Linn | 4 days |
| Aug 22, 11:14 AM CDT | Flash Flood Watch | OAX | Harrison, Monona, Shelby | 25 hr |
| Aug 22, 11:33 AM CDT | Flash Flood Warning | DMX | Calhoun, Sac | 6 hr |
| Aug 22, 2:37 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 40 more | 83 min |
| Aug 22, 2:54 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 16 min |
| Aug 22, 3:17 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 58 min |
| Aug 22, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 6 hr |
| Aug 22, 4:30 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 60 min |
| Aug 22, 6:33 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 87 min |
| Aug 22, 7:09 PM CDT | River Flood Warning | DMX | Dallas | 21 hr |
| Aug 22, 7:09 PM CDT | River Flood Warning | DMX | Hamilton, Webster | 16 hr |
| Aug 22, 7:50 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 35 min |
| Aug 22, 10:25 PM CDT | River Flood Warning | DVN | Buchanan, Linn | 23 hr |
| Aug 22, 10:27 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 30 hr |
| Aug 22, 10:27 PM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 18 hr |
| Aug 23, 1:12 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 48 min |
| Aug 23, 3:46 AM CDT | Flash Flood Watch | DVN | Keokuk, Louisa, Muscatine, Scott, Washington | 42 hr |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Jones, Linn | 4 hr |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Clinton, Scott | 4 hr |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Louisa | 5 hr |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Dubuque, Jackson | 3 days |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Benton, Linn | 16 hr |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Cedar, Johnson, Linn | 5 hr |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Cedar, Louisa, Muscatine | 5 hr |
| Aug 23, 8:36 AM CDT | River Flood Warning | OAX | Monona | 5 hr |
| Aug 23, 10:07 AM CDT | River Flood Warning | DVN | Jones, Linn | 26 hr |
| Aug 23, 10:07 AM CDT | River Flood Warning | DVN | Clinton, Scott | 12 days |
| Aug 23, 10:36 AM CDT | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 8 more | 114 min |
| Aug 23, 10:49 AM CDT | River Flood Warning | DVN | Cedar, Johnson, Linn | 11 hr |
| Aug 23, 10:49 AM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 9 days |
| Aug 23, 10:55 AM CDT | River Flood Warning | ARX | Clayton | 33 hr |
| Aug 23, 10:55 AM CDT | River Flood Warning | ARX | Clayton | 33 hr |
| Aug 23, 11:17 AM CDT | River Flood Warning | DVN | Louisa | 8 days |
| Aug 23, 11:17 AM CDT | River Flood Warning | DVN | Louisa | 9 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Muscatine, Scott | 46 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 46 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 46 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 7 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 7 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Des Moines | 8 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Des Moines, Lee | 8 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Lee | 70 hr |
| Aug 23, 1:34 PM CDT | Flash Flood Warning | DVN | Cedar, Muscatine, Scott | 6 hr |
| Aug 23, 3:39 PM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page | 12 hr |
| Aug 23, 3:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 46 more | 93 min |
| Aug 23, 4:24 PM CDT | River Flood Warning | DMX | Wapello | 5 hr |
| Aug 23, 4:24 PM CDT | River Flood Warning | DMX | Mahaska | 24 hr |
| Aug 23, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 40 min |
| Aug 23, 5:00 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 60 min |
| Aug 23, 5:04 PM CDT | Tornado Warning | DMX | Marion | 41 min |
| Aug 23, 5:27 PM CDT | Tornado Warning | DMX | Mahaska | 33 min |
| Aug 23, 5:38 PM CDT | Mesoscale Discussion | SPC | Clinton, Muscatine, Scott | 97 min |
| Aug 23, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 34 min |
| Aug 23, 5:49 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 13 more | 6 hr |
| Aug 23, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 50 min |
| Aug 23, 6:00 PM CDT | Tornado Warning | DMX | Mahaska | 30 min |
| Aug 23, 6:30 PM CDT | Flash Flood Warning | DMX | Mahaska, Marion | 6 hr |
| Aug 23, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 40 min |
| Aug 23, 6:37 PM CDT | Tornado Warning | DMX | Mahaska | 38 min |
| Aug 23, 6:51 PM CDT | Tornado Warning | DMX | Wapello | 24 min |
| Aug 23, 6:56 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 64 min |
| Aug 23, 7:10 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 4 more | 5 hr |
| Aug 23, 7:11 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 23 min |
| Aug 23, 7:11 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 64 min |
| Aug 23, 7:41 PM CDT | Flash Flood Warning | DMX | Mahaska, Marion | 6 hr |
| Aug 23, 7:47 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more | 118 min |
| Aug 23, 7:49 PM CDT | Flash Flood Warning | DMX | Ringgold, Union | 6 hr |
| Aug 23, 7:50 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Van Buren | 73 min |
| Aug 23, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 52 min |
| Aug 23, 7:55 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more | 2 hr |
| Aug 23, 8:20 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 55 min |
| Aug 23, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 49 min |
| Aug 23, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 62 min |
| Aug 23, 8:35 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 40 min |
| Aug 23, 8:48 PM CDT | Tornado Warning | DMX | Decatur | 27 min |
| Aug 23, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 46 min |
| Aug 23, 9:02 PM CDT | Tornado Warning | DMX | Decatur | 28 min |
| Aug 23, 9:21 PM CDT | Flash Flood Warning | DMX | Clarke, Decatur | 6 hr |
| Aug 23, 9:37 PM CDT | Flash Flood Warning | DMX | Davis, Wapello | 6 hr |
| Aug 23, 9:40 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 50 min |
| Aug 23, 9:45 PM CDT | River Flood Warning | DVN | Lee, Van Buren | 38 hr |
| Aug 23, 9:45 PM CDT | River Flood Warning | DVN | Lee | 60 hr |
| Aug 23, 9:53 PM CDT | Flash Flood Warning | DVN | Keokuk | 6 hr |
| Aug 23, 10:03 PM CDT | River Flood Warning | DVN | Johnson, Louisa, Washington | 24 hr |
| Aug 23, 10:12 PM CDT | Flash Flood Warning | DVN | Jefferson, Van Buren | 6 hr |
| Aug 23, 10:29 PM CDT | Flash Flood Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 6 hr |
| Aug 23, 10:52 PM CDT | River Flood Advisory | DVN | Clinton, Scott | 24 hr |
| Aug 23, 10:52 PM CDT | River Flood Advisory | DVN | Muscatine, Scott | 24 hr |
| Aug 23, 10:59 PM CDT | Flash Flood Warning | DVN | Henry | 5 hr |
| Aug 23, 11:01 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 17 more | 119 min |
| Aug 23, 11:07 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Louisa, Washington | 53 min |
| Aug 23, 11:46 PM CDT | Flash Flood Warning | DVN | Des Moines, Lee | 6 hr |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 40 hr |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Lucas | 4 days |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Appanoose | 61 hr |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Decatur | 28 hr |
| Aug 24, 12:25 AM CDT | Flash Flood Warning | DMX | Mahaska | 6 hr |
| Aug 24, 1:42 AM CDT | Flash Flood Warning | DMX | Ringgold, Union | 6 hr |
| Aug 24, 2:38 AM CDT | Flash Flood Warning | DMX | Appanoose, Davis | 6 hr |
| Aug 24, 3:00 AM CDT | River Flood Warning | DMX | Taylor | 5 hr |
| Aug 24, 3:10 AM CDT | Flash Flood Warning | DMX | Clarke, Decatur | 6 hr |
| Aug 24, 3:22 AM CDT | Flash Flood Warning | DMX | Davis, Wapello | 6 hr |
| Aug 24, 4:27 AM CDT | Flash Flood Warning | DMX | Appanoose, Wayne | 6 hr |
| Aug 24, 5:34 AM CDT | River Flood Warning | DVN | Johnson, Washington | 38 hr |
| Aug 24, 5:34 AM CDT | River Flood Warning | DVN | Keokuk | 47 hr |
| Aug 24, 5:34 AM CDT | River Flood Warning | DVN | Henry, Jefferson, Washington | 38 hr |
| Aug 24, 5:34 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 5 days |
| Aug 24, 7:59 AM CDT | Flash Flood Warning | DVN | Jefferson, Van Buren | 6 hr |
| Aug 24, 7:59 AM CDT | Flash Flood Warning | DVN | Jefferson | 6 hr |
| Aug 24, 9:56 AM CDT | River Flood Warning | DMX | Marshall | 11 hr |
| Aug 24, 10:50 AM CDT | River Flood Warning | DMX | Dallas | 3 days |
| Aug 24, 11:18 AM CDT | River Flood Warning | DMX | Marion | 47 hr |
| Aug 24, 12:06 PM CDT | River Flood Advisory | DVN | Jones, Linn | 4 days |
| Aug 24, 12:06 PM CDT | River Flood Advisory | DVN | Cedar, Johnson, Linn | 5 days |
| Aug 24, 2:17 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 4 days |
| Aug 24, 9:46 PM CDT | River Flood Advisory | DVN | Benton, Linn | 23 hr |
| Aug 25, 10:48 AM CDT | River Flood Warning | DVN | Buchanan, Linn | 33 hr |
| Aug 25, 10:48 AM CDT | River Flood Warning | DVN | Jones, Linn | 5 days |
| Aug 25, 11:27 AM CDT | River Flood Advisory | DVN | Muscatine, Scott | 4 days |
| Aug 25, 11:27 AM CDT | River Flood Advisory | DVN | Louisa, Muscatine | 3 days |
| Aug 25, 11:27 AM CDT | River Flood Advisory | DVN | Louisa, Muscatine | 4 days |
| Aug 25, 9:10 PM CDT | River Flood Advisory | DVN | Henry, Jefferson, Washington | 24 hr |
| Aug 26, 11:25 AM CDT | River Flood Advisory | DVN | Lee | 4 days |
| Aug 26, 9:38 PM CDT | River Flood Warning | DMX | Decatur | 19 hr |
| Aug 27, 1:43 AM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 5 more | 92 min |
| Aug 27, 7:12 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 27 min |
| Aug 27, 9:08 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 34 min |
| Aug 27, 10:10 AM CDT | River Flood Warning | FSD | Buena Vista | 5 days |
| Aug 27, 10:13 AM CDT | River Flood Watch | FSD | Dickinson | 15 min |
| Aug 27, 10:13 AM CDT | River Flood Watch | FSD | Clay, Dickinson | 15 min |
| Aug 27, 12:07 PM CDT | River Flood Warning | ARX | Allamakee | 7 hr |
| Aug 28, 3:56 AM CDT | Flash Flood Watch | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 25 more | 23 hr |
| Aug 28, 4:08 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 23 hr |
| Aug 28, 3:24 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Emmet and 14 more | 66 min |
| Aug 28, 4:06 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Butler, Calhoun, Carroll, Cerro Gordo and 22 more | 54 min |
| Aug 28, 4:32 PM CDT | Tornado Warning | FSD | Plymouth | 28 min |
| Aug 28, 4:51 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 39 min |
| Aug 28, 4:59 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 46 min |
| Aug 28, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Calhoun, Carroll, Cerro Gordo, Crawford and 17 more | 5 hr |
| Aug 28, 5:32 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 43 min |
| Aug 28, 5:32 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Black Hawk, Boone, Buena Vista, Calhoun, Carroll and 25 more | 4 hr |
| Aug 28, 5:43 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 32 min |
| Aug 28, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 38 min |
| Aug 28, 6:02 PM CDT | Flash Flood Warning | DMX | Wright | 6 hr |
| Aug 28, 6:04 PM CDT | Mesoscale Discussion | SPC | Adair, Allamakee, Audubon, Black Hawk, Boone, Bremer and 23 more | 3 hr |
| Aug 28, 6:10 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 65 min |
| Aug 28, 6:11 PM CDT | Flash Flood Warning | DMX | Calhoun | 6 hr |
| Aug 28, 6:21 PM CDT | Flash Flood Warning | DMX | Crawford | 6 hr |
| Aug 28, 6:21 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 24 min |
| Aug 28, 6:29 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 46 min |
| Aug 28, 6:38 PM CDT | Flash Flood Warning | DMX | Webster | 6 hr |
| Aug 28, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 47 min |
| Aug 28, 6:46 PM CDT | Tornado Warning | DMX | Carroll, Greene | 44 min |
| Aug 28, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 55 min |
| Aug 28, 7:12 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 19 more | 63 min |
| Aug 28, 7:25 PM CDT | Tornado Warning | DMX | Boone, Greene | 40 min |
| Aug 28, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 49 min |
| Aug 28, 8:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Benton, Cedar, Clinton, Dallas and 19 more | 58 min |
| Aug 28, 8:35 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 43 min |
| Aug 29, 9:56 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 59 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 | 177 |
| Tornado Warning | 17 |
| Severe Thunderstorm Watch | 16 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 72 |
| Flooding | |
| Flash Flood Warning | 84 |
| River Flood Warning | 72 |
| Flash Flood Watch | 24 |
| River Flood Watch | 2 |
| River Flood Advisory | 21 |
| Heat | |
| Heat Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Webster County42
- Audubon County40
- Guthrie County40
- Decatur County38
- Cass County37
- Union County37
- Adair County36
- Wayne County36
- Calhoun County35
- Crawford County35
- Dallas County35
- Page County35
- Sac County34
- Boone County34
- Appanoose County34
- Madison County34
- Montgomery County34
- Pocahontas County33
- Adams County33
- Mahaska County33
- Marion County33
- Pottawattamie County33
- Ringgold County33
- Warren County33
- Linn County33
- Monona County32
- Carroll County32
- Greene County32
- Fremont County32
- Shelby County32
- Muscatine County32
- Louisa County31
- Clarke County31
- Hamilton County31
- Humboldt County31
- Mills County31
- Polk County31
- Taylor County31
- Hardin County31
- Ida County30
59 more counties
- Woodbury County30
- Harrison County30
- Lucas County30
- Wapello County30
- Buena Vista County29
- Jefferson County29
- Davis County29
- Keokuk County29
- Scott County29
- Black Hawk County29
- Clayton County29
- Cherokee County28
- Marshall County28
- Monroe County28
- Cedar County28
- Johnson County28
- Allamakee County28
- Jasper County27
- Grundy County27
- Plymouth County26
- Henry County26
- Lee County26
- Van Buren County26
- Story County26
- Butler County26
- Buchanan County26
- Clay County25
- Dickinson County25
- Poweshiek County25
- Washington County25
- Wright County25
- Winneshiek County25
- Des Moines County24
- Franklin County24
- Fayette County24
- Benton County23
- Clinton County23
- Chickasaw County23
- Tama County22
- Bremer County22
- Floyd County22
- Mitchell County22
- Iowa County21
- Jones County21
- Delaware County21
- Jackson County21
- Howard County21
- O'Brien County20
- Palo Alto County20
- Dubuque County20
- Cerro Gordo County20
- Sioux County19
- Osceola County18
- Worth County17
- Lyon County15
- Kossuth County14
- Emmet County14
- Hancock County13
- Winnebago County10
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.