Alert archive / Iowa / Severe Thunderstorm Warnings / 2008
Severe Thunderstorm Warnings in Iowa, July 2008
238 severe thunderstorm warnings in July 2008. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in July 2008. Tap one for its archive.
- Severe Thunderstorm Warnings
- 238
- Busiest day
- July 28, 200829 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Jul 2, 4:50 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 38 min |
| Jul 2, 6:44 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 31 min |
| Jul 2, 7:14 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 16 min |
| Jul 2, 2:08 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 67 min |
| Jul 2, 3:22 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 53 min |
| Jul 2, 3:40 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 35 min |
| Jul 2, 3:55 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 36 min |
| Jul 2, 3:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 46 min |
| Jul 2, 4:17 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 58 min |
| Jul 2, 4:33 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 42 min |
| Jul 2, 4:36 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 39 min |
| Jul 2, 4:40 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 36 min |
| Jul 2, 4:46 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 29 min |
| Jul 2, 5:01 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 59 min |
| Jul 2, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 38 min |
| Jul 2, 5:17 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 58 min |
| Jul 2, 5:21 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 54 min |
| Jul 2, 5:56 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 49 min |
| Jul 6, 6:03 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 42 min |
| Jul 6, 11:35 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 40 min |
| Jul 6, 12:09 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 41 min |
| Jul 6, 3:04 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 41 min |
| Jul 6, 3:40 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 50 min |
| Jul 6, 3:52 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 38 min |
| Jul 6, 4:02 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 43 min |
| Jul 6, 4:26 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| Jul 6, 4:29 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| Jul 6, 5:05 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 40 min |
| Jul 6, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 49 min |
| Jul 6, 6:13 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 47 min |
| Jul 6, 6:13 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 47 min |
| Jul 6, 6:24 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 27 min |
| Jul 6, 6:33 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 57 min |
| Jul 7, 12:04 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 39 min |
| Jul 7, 4:40 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 35 min |
| Jul 7, 1:43 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 47 min |
| Jul 7, 1:58 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 62 min |
| Jul 7, 2:20 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 55 min |
| Jul 7, 2:27 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 17 min |
| Jul 7, 3:29 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 46 min |
| Jul 7, 3:41 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 34 min |
| Jul 7, 3:58 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 47 min |
| Jul 7, 4:02 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 43 min |
| Jul 7, 4:10 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 35 min |
| Jul 7, 4:19 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 41 min |
| Jul 7, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 48 min |
| Jul 7, 4:43 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 32 min |
| Jul 7, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 56 min |
| Jul 7, 4:49 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 26 min |
| Jul 7, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 39 min |
| Jul 7, 4:59 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 46 min |
| Jul 7, 5:12 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 17 min |
| Jul 7, 5:12 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 33 min |
| Jul 7, 5:24 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 51 min |
| Jul 7, 5:34 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 41 min |
| Jul 7, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 56 min |
| Jul 7, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 47 min |
| Jul 7, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 22 min |
| Jul 7, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 66 min |
| Jul 7, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 47 min |
| Jul 7, 7:18 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 25 min |
| Jul 7, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 47 min |
| Jul 7, 7:28 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 47 min |
| Jul 7, 7:35 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 55 min |
| Jul 7, 8:02 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 21 min |
| Jul 7, 8:34 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 41 min |
| Jul 7, 8:56 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 64 min |
| Jul 7, 9:31 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine, Scott | 44 min |
| Jul 7, 11:15 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 45 min |
| Jul 10, 9:51 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 39 min |
| Jul 10, 11:04 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 26 min |
| Jul 10, 12:06 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 39 min |
| Jul 10, 12:43 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 62 min |
| Jul 10, 1:29 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 46 min |
| Jul 10, 1:54 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 51 min |
| Jul 10, 2:41 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 49 min |
| Jul 10, 3:01 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 44 min |
| Jul 10, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 51 min |
| Jul 10, 5:56 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 64 min |
| Jul 10, 6:58 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 27 min |
| Jul 10, 7:03 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 42 min |
| Jul 10, 7:46 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 30 min |
| Jul 10, 8:17 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 28 min |
| Jul 10, 8:21 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 54 min |
| Jul 10, 9:06 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 17 min |
| Jul 11, 10:52 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 38 min |
| Jul 12, 12:20 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 25 min |
| Jul 12, 12:50 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 40 min |
| Jul 12, 1:52 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Dubuque, Jones, Linn | 53 min |
| Jul 12, 2:12 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Cedar, Iowa, Johnson, Jones, Linn | 63 min |
| Jul 15, 5:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 38 min |
| Jul 15, 5:55 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 50 min |
| Jul 15, 6:01 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 44 min |
| Jul 15, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 48 min |
| Jul 15, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 45 min |
| Jul 15, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 43 min |
| Jul 15, 8:17 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Jul 15, 8:25 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 26 min |
| Jul 15, 10:30 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 45 min |
| Jul 17, 9:55 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 50 min |
| Jul 17, 11:07 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 38 min |
| Jul 17, 12:26 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 49 min |
| Jul 17, 12:31 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 29 min |
| Jul 17, 12:52 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 38 min |
| Jul 17, 2:18 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster, Wright | 42 min |
| Jul 17, 2:21 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 39 min |
| Jul 17, 2:35 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 40 min |
| Jul 17, 2:37 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Pocahontas, Webster | 38 min |
| Jul 17, 3:08 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 37 min |
| Jul 17, 3:12 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 48 min |
| Jul 17, 3:33 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 42 min |
| Jul 17, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 43 min |
| Jul 17, 5:19 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 11 min |
| Jul 17, 5:35 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 40 min |
| Jul 17, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 45 min |
| Jul 17, 7:11 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 49 min |
| Jul 17, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 43 min |
| Jul 17, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 46 min |
| Jul 17, 8:18 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 42 min |
| Jul 19, 2:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Jul 19, 3:40 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 50 min |
| Jul 19, 3:52 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 38 min |
| Jul 19, 4:12 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 48 min |
| Jul 19, 4:42 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 33 min |
| Jul 19, 4:47 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 43 min |
| Jul 19, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 44 min |
| Jul 19, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 42 min |
| Jul 19, 6:21 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 39 min |
| Jul 19, 6:44 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin, Hancock, Wright | 46 min |
| Jul 19, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 45 min |
| Jul 19, 7:02 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 43 min |
| Jul 19, 7:36 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 39 min |
| Jul 19, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 52 min |
| Jul 19, 7:44 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy, Hardin, Tama | 46 min |
| Jul 19, 8:08 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 54 min |
| Jul 19, 8:09 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 36 min |
| Jul 19, 8:18 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Poweshiek, Tama | 37 min |
| Jul 19, 8:25 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 65 min |
| Jul 19, 8:40 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Linn | 55 min |
| Jul 19, 8:49 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 56 min |
| Jul 19, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jones | 53 min |
| Jul 19, 9:22 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 27 min |
| Jul 19, 9:54 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 66 min |
| Jul 19, 10:07 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 38 min |
| Jul 19, 10:19 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 41 min |
| Jul 19, 10:29 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Monroe, Warren | 30 min |
| Jul 19, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 28 min |
| Jul 20, 2:47 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk, Story | 28 min |
| Jul 20, 1:37 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 38 min |
| Jul 20, 1:45 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
| Jul 20, 2:13 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 47 min |
| Jul 20, 11:36 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 39 min |
| Jul 20, 11:53 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 52 min |
| Jul 21, 12:02 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 43 min |
| Jul 21, 12:34 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 41 min |
| Jul 21, 12:52 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 23 min |
| Jul 21, 1:09 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 51 min |
| Jul 21, 1:10 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 65 min |
| Jul 21, 1:13 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 32 min |
| Jul 21, 1:15 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 45 min |
| Jul 21, 1:16 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 44 min |
| Jul 21, 1:33 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 42 min |
| Jul 21, 1:46 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 29 min |
| Jul 21, 2:00 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 45 min |
| Jul 21, 2:03 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Calhoun, Carroll, Greene, Guthrie | 57 min |
| Jul 21, 2:19 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 41 min |
| Jul 21, 2:33 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie, Polk, Story | 57 min |
| Jul 21, 2:51 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 27 min |
| Jul 21, 3:06 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 54 min |
| Jul 21, 3:14 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Marion, Polk, Warren | 61 min |
| Jul 21, 3:16 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 17 min |
| Jul 21, 3:22 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 53 min |
| Jul 21, 3:49 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 41 min |
| Jul 21, 3:53 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Mahaska, Marion, Monroe, Poweshiek and 1 more | 67 min |
| Jul 21, 4:05 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 40 min |
| Jul 21, 4:26 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 64 min |
| Jul 21, 4:53 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 67 min |
| Jul 21, 5:06 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Johnson, Louisa, Muscatine, Scott and 1 more | 54 min |
| Jul 21, 5:46 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Scott | 59 min |
| Jul 21, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 30 min |
| Jul 22, 4:53 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 23 min |
| Jul 27, 12:18 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 42 min |
| Jul 27, 1:59 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 46 min |
| Jul 27, 2:07 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 38 min |
| Jul 27, 2:12 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 48 min |
| Jul 27, 2:23 PM CDT | Severe Thunderstorm Warning | OAX | Page | 52 min |
| Jul 27, 2:49 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Pocahontas, Webster | 41 min |
| Jul 27, 3:28 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Hamilton, Story, Webster | 47 min |
| Jul 27, 3:46 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Tama | 44 min |
| Jul 27, 4:07 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 38 min |
| Jul 27, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Marion, Polk, Story and 1 more | 45 min |
| Jul 27, 4:31 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 44 min |
| Jul 27, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Polk, Poweshiek | 40 min |
| Jul 27, 4:57 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Warren | 48 min |
| Jul 27, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Jasper, Lucas, Mahaska, Marion, Monroe and 2 more | 47 min |
| Jul 27, 5:14 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Webster | 46 min |
| Jul 27, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 13 min |
| Jul 27, 5:28 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 47 min |
| Jul 27, 5:48 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Jefferson, Johnson, Keokuk, Washington | 27 min |
| Jul 27, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Lucas, Mahaska, Marion, Monroe and 1 more | 38 min |
| Jul 27, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Decatur, Lucas, Wayne | 50 min |
| Jul 27, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 47 min |
| Jul 27, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Lee, Van Buren | 66 min |
| Jul 27, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 48 min |
| Jul 27, 7:06 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 54 min |
| Jul 27, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 47 min |
| Jul 27, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 63 min |
| Jul 27, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 10 min |
| Jul 27, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 33 min |
| Jul 27, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Marion, Monroe, Wayne | 46 min |
| Jul 27, 9:14 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 31 min |
| Jul 27, 10:04 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Story, Webster | 41 min |
| Jul 27, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Polk, Story | 39 min |
| Jul 27, 10:37 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 38 min |
| Jul 27, 10:39 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 51 min |
| Jul 27, 10:56 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe | 49 min |
| Jul 27, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Webster | 40 min |
| Jul 27, 11:12 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Polk, Story | 48 min |
| Jul 27, 11:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 45 min |
| Jul 27, 11:28 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Mahaska, Marion, Monroe, Warren | 47 min |
| Jul 27, 11:39 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 37 min |
| Jul 27, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 30 min |
| Jul 27, 11:54 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Marion, Monroe | 36 min |
| Jul 28, 12:24 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 38 min |
| Jul 28, 12:26 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wayne | 27 min |
| Jul 28, 1:06 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 39 min |
| Jul 28, 2:15 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 45 min |
| Jul 28, 3:03 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 23 min |
| Jul 28, 5:31 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 44 min |
| Jul 28, 6:03 AM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 42 min |
| Jul 28, 6:04 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 26 min |
| Jul 28, 6:11 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 49 min |
| Jul 28, 6:45 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 45 min |
| Jul 29, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 43 min |
| Jul 29, 3:46 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Story | 44 min |
| Jul 29, 4:22 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 53 min |
| Jul 29, 6:08 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 25 min |
| Jul 31, 11:55 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 65 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boone County20
- Polk County19
- Marion County18
- Webster County17
- Delaware County14
- Dubuque County14
- Warren County14
- Jasper County14
- Story County14
- Lucas County12
- Greene County12
- Monroe County12
- Appanoose County12
- Jones County11
- Dallas County11
- Mahaska County10
- Monona County10
- Jackson County9
- Linn County9
- Woodbury County9
- Carroll County9
- Harrison County8
- Pottawattamie County8
- Clarke County8
- Plymouth County8
- Wright County8
- Wapello County8
- Crawford County8
- Hamilton County8
- Humboldt County7
- Cerro Gordo County7
- Calhoun County7
- Butler County7
- Buchanan County7
- Lyon County7
- Black Hawk County6
- Poweshiek County6
- Mills County6
- Wayne County6
- Tama County6
54 more counties
- Franklin County6
- Hardin County6
- Davis County6
- Iowa County5
- Hancock County5
- Kossuth County5
- Floyd County5
- Audubon County5
- Cedar County5
- Benton County5
- Johnson County5
- Madison County5
- Cherokee County4
- Keokuk County4
- Guthrie County4
- Ida County4
- Shelby County4
- Grundy County4
- Scott County4
- Clinton County4
- Palo Alto County4
- Marshall County4
- Jefferson County4
- Lee County4
- Buena Vista County3
- Clay County3
- O'Brien County3
- Clayton County3
- Decatur County3
- Worth County3
- Mitchell County3
- Muscatine County3
- Bremer County3
- Fayette County3
- Union County3
- Fremont County3
- Osceola County3
- Pocahontas County3
- Sioux County3
- Henry County3
- Van Buren County3
- Washington County3
- Des Moines County3
- Adair County2
- Winnebago County2
- Louisa County2
- Montgomery County2
- Emmet County2
- Dickinson County2
- Sac County2
- Cass County1
- Allamakee County1
- Winneshiek County1
- Page County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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. Warning verification from the Mesonet's Cow. Rebuilt daily.