Alert archive / Iowa / 2004
Weather alerts in Iowa, August 2004
305 weather alerts in August 2004, 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 2004. Tap one for its archive.
- Alerts
- 305
- Warnings
- 236
- Watches
- 16
- Advisories
- 0
- Busiest day
- August 3, 200465 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 |
|---|---|---|---|---|
| Jul 31, 7:59 PM CDT | Tornado Warning | FSD | Lyon | 31 min |
| Jul 31, 8:01 PM CDT | Tornado Warning | FSD | Lyon | 29 min |
| Jul 31, 8:11 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 34 min |
| Jul 31, 8:19 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola, Winnebago | 56 min |
| Jul 31, 8:30 PM CDT | Tornado Warning | FSD | Lyon | 30 min |
| Jul 31, 8:58 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 32 min |
| Jul 31, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 10 more | 5 hr |
| Jul 31, 9:48 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 27 min |
| Jul 31, 9:49 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 41 min |
| Jul 31, 10:08 PM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 22 min |
| Jul 31, 10:30 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay, O'Brien | 30 min |
| Jul 31, 10:44 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Sioux | 31 min |
| Jul 31, 10:56 PM CDT | Flash Flood Warning | FSD | O'Brien | 2 hr |
| Jul 31, 11:01 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay, O'Brien | 14 min |
| Jul 31, 11:03 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay, O'Brien | 27 min |
| Jul 31, 11:13 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 32 min |
| Jul 31, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Jul 31, 11:41 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Chickasaw, Clay and 19 more | 64 min |
| Jul 31, 11:43 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 32 min |
| Aug 1, 12:02 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 48 min |
| Aug 1, 12:16 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 44 min |
| Aug 1, 1:28 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 47 min |
| Aug 1, 1:58 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 47 min |
| Aug 1, 1:59 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 24 more | 91 min |
| Aug 1, 5:56 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Bremer and 59 more | 94 min |
| Aug 1, 12:11 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Crawford, Greene and 3 more | 64 min |
| Aug 1, 12:27 PM CDT | Flash Flood Warning | DVN | Keokuk | 3 hr |
| Aug 1, 1:48 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 17 more | 117 min |
| Aug 1, 1:49 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 41 min |
| Aug 1, 2:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 15 more | 58 min |
| Aug 1, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 38 min |
| Aug 1, 3:59 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 46 min |
| Aug 2, 12:20 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Ida, Lyon, O'Brien, Osceola and 4 more | 4 hr |
| Aug 2, 3:02 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Ida, Lyon, O'Brien, Osceola and 4 more | 58 min |
| Aug 2, 4:56 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 50 more | 94 min |
| Aug 2, 5:31 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 29 min |
| Aug 2, 5:52 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 38 min |
| Aug 2, 7:29 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 46 min |
| Aug 2, 10:14 AM CDT | Flash Flood Warning | DMX | Davis | 3 hr |
| Aug 3, 1:51 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 54 min |
| Aug 3, 2:02 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Buena Vista, Butler, Calhoun and 30 more | 118 min |
| Aug 3, 2:11 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 34 min |
| Aug 3, 2:42 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 58 min |
| Aug 3, 3:03 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 57 min |
| Aug 3, 3:55 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 60 min |
| Aug 3, 4:29 AM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 61 min |
| Aug 3, 4:31 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 59 min |
| Aug 3, 4:43 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 57 min |
| Aug 3, 5:11 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 49 min |
| Aug 3, 5:29 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 61 min |
| Aug 3, 5:35 AM CDT | Severe Thunderstorm Warning | DMX | Monroe | 55 min |
| Aug 3, 6:58 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 47 min |
| Aug 3, 7:11 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 79 min |
| Aug 3, 7:21 AM CDT | Mesoscale Discussion | SPC | Lyon | 54 min |
| Aug 3, 10:48 AM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Buena Vista, Butler and 32 more | 87 min |
| Aug 3, 11:05 AM CDT | Severe Thunderstorm Watch | SPC | Bremer, Buena Vista, Butler, Calhoun, Cerro Gordo, Cherokee and 25 more | 6 hr |
| Aug 3, 12:25 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 50 min |
| Aug 3, 12:46 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 44 min |
| Aug 3, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 63 min |
| Aug 3, 1:16 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 46 more | 89 min |
| Aug 3, 1:25 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 20 min |
| Aug 3, 1:53 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 52 min |
| Aug 3, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 5 hr |
| Aug 3, 2:34 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 56 min |
| Aug 3, 2:44 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 31 min |
| Aug 3, 3:00 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Greene and 8 more | 2 hr |
| Aug 3, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 58 min |
| Aug 3, 3:05 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 55 min |
| Aug 3, 3:09 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 51 min |
| Aug 3, 3:28 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 32 min |
| Aug 3, 3:34 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 56 min |
| Aug 3, 3:48 PM CDT | Tornado Warning | DMX | Greene | 42 min |
| Aug 3, 3:55 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Benton, Black Hawk, Boone, Buchanan and 43 more | 95 min |
| Aug 3, 3:56 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 34 min |
| Aug 3, 4:17 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton | 43 min |
| Aug 3, 4:19 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 41 min |
| Aug 3, 4:25 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Cedar and 39 more | 6 hr |
| Aug 3, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 48 min |
| Aug 3, 4:38 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 52 min |
| Aug 3, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Story | 33 min |
| Aug 3, 4:52 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 53 min |
| Aug 3, 4:52 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more | 53 min |
| Aug 3, 4:57 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 33 min |
| Aug 3, 5:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 9 more | 5 hr |
| Aug 3, 5:02 PM CDT | Tornado Warning | DMX | Marshall | 43 min |
| Aug 3, 5:07 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Winneshiek | 53 min |
| Aug 3, 5:16 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 29 min |
| Aug 3, 5:23 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 52 min |
| Aug 3, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 48 min |
| Aug 3, 5:28 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 47 min |
| Aug 3, 5:32 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy | 58 min |
| Aug 3, 5:39 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 32 more | 66 min |
| Aug 3, 5:44 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 31 min |
| Aug 3, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 54 min |
| Aug 3, 6:07 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 38 min |
| Aug 3, 6:09 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 66 min |
| Aug 3, 6:27 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 33 min |
| Aug 3, 6:34 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 28 more | 86 min |
| Aug 3, 6:36 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 39 min |
| Aug 3, 6:38 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 52 min |
| Aug 3, 6:42 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 63 min |
| Aug 3, 6:45 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 60 min |
| Aug 3, 6:45 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 9 more | 90 min |
| Aug 3, 6:53 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 37 min |
| Aug 3, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 53 min |
| Aug 3, 7:28 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 47 min |
| Aug 3, 7:30 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 45 min |
| Aug 3, 7:31 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 29 min |
| Aug 3, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 49 min |
| Aug 3, 7:47 PM CDT | Tornado Warning | DMX | Madison | 43 min |
| Aug 3, 7:49 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 26 min |
| Aug 3, 7:49 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 41 min |
| Aug 3, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 52 min |
| Aug 3, 8:15 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 45 min |
| Aug 3, 8:17 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery | 58 min |
| Aug 3, 8:19 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Boone, Cedar, Clarke, Clinton and 33 more | 56 min |
| Aug 3, 8:36 PM CDT | Flash Flood Warning | DMX | Dallas, Polk | 4 hr |
| Aug 3, 8:38 PM CDT | Tornado Warning | OAX | Montgomery | 52 min |
| Aug 3, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 32 min |
| Aug 3, 9:02 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Aug 3, 9:06 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 39 min |
| Aug 3, 9:16 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 9 more | 59 min |
| Aug 3, 9:43 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Montgomery, Page | 62 min |
| Aug 3, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 18 more | 5 hr |
| Aug 3, 9:47 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 28 min |
| Aug 3, 9:53 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 52 min |
| Aug 3, 10:09 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 51 min |
| Aug 3, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 45 min |
| Aug 3, 11:30 PM CDT | Flash Flood Warning | DMX | Decatur, Wayne | 4 hr |
| Aug 3, 11:34 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Lee | 86 min |
| Aug 4, 1:42 AM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 17 more | 2 hr |
| Aug 8, 12:17 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Clay, Dickinson, Emmet, Floyd, Franklin and 10 more | 58 min |
| Aug 8, 1:05 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 55 min |
| Aug 8, 2:46 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 44 min |
| Aug 8, 3:55 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 50 min |
| Aug 8, 4:19 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 41 min |
| Aug 8, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 40 min |
| Aug 8, 5:05 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 40 min |
| Aug 8, 5:46 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 44 min |
| Aug 8, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 28 min |
| Aug 15, 5:01 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 119 min |
| Aug 15, 7:14 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, Osceola, Sioux | 2 hr |
| Aug 16, 4:03 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Harrison and 9 more | 57 min |
| Aug 16, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 34 more | 6 hr |
| Aug 16, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 60 min |
| Aug 16, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 59 min |
| Aug 16, 6:29 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 46 min |
| Aug 16, 6:44 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hardin | 46 min |
| Aug 16, 6:49 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Butler, Calhoun, Carroll, Dallas and 19 more | 116 min |
| Aug 16, 7:05 PM CDT | Tornado Warning | DMX | Franklin, Hardin | 25 min |
| Aug 16, 7:17 PM CDT | Tornado Warning | DMX | Grundy | 43 min |
| Aug 16, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 56 min |
| Aug 16, 7:29 PM CDT | Tornado Warning | DMX | Hardin | 16 min |
| Aug 16, 7:54 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 51 min |
| Aug 16, 8:01 PM CDT | Tornado Warning | DMX | Grundy | 29 min |
| Aug 16, 8:10 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 35 min |
| Aug 16, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 43 min |
| Aug 16, 8:45 PM CDT | Flash Flood Warning | DMX | Butler, Franklin, Grundy | 5 hr |
| Aug 16, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 55 min |
| Aug 16, 8:54 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Calhoun, Carroll, Crawford, Dallas and 30 more | 2 hr |
| Aug 16, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 47 min |
| Aug 16, 9:04 PM CDT | Flash Flood Warning | DMX | Hardin | 5 hr |
| Aug 16, 9:05 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 40 min |
| Aug 16, 9:20 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 40 min |
| Aug 16, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 50 min |
| Aug 16, 10:16 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 44 min |
| Aug 16, 11:41 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 49 min |
| Aug 16, 11:52 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 53 min |
| Aug 17, 12:57 PM CDT | Mesoscale Discussion | SPC | Clinton, Davis, Des Moines, Henry, Lee, Louisa and 3 more | 63 min |
| Aug 17, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Van Buren | 6 hr |
| Aug 17, 3:59 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Van Buren | 61 min |
| Aug 18, 12:27 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Winneshiek | 63 min |
| Aug 18, 1:10 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Chickasaw, Clayton, Fayette, Floyd and 2 more | 7 hr |
| Aug 18, 3:46 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 3 more | 59 min |
| Aug 18, 4:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 31 more | 118 min |
| Aug 18, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Decatur, Henry, Jefferson, Lee and 7 more | 6 hr |
| Aug 18, 5:03 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 42 min |
| Aug 18, 5:17 PM CDT | Mesoscale Discussion | SPC | Lee | 88 min |
| Aug 18, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines | 5 hr |
| Aug 18, 5:39 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 51 min |
| Aug 18, 5:52 PM CDT | Mesoscale Discussion | SPC | Clayton, Fayette | 113 min |
| Aug 18, 5:55 PM CDT | Tornado Warning | DVN | Des Moines | 50 min |
| Aug 18, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 39 min |
| Aug 18, 6:14 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 46 min |
| Aug 18, 6:38 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 37 min |
| Aug 18, 6:48 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 42 min |
| Aug 18, 7:11 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 49 min |
| Aug 18, 7:26 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more | 2 hr |
| Aug 22, 5:02 PM CDT | Mesoscale Discussion | SPC | Cherokee, Plymouth, Woodbury | 118 min |
| Aug 22, 10:38 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 52 min |
| Aug 23, 1:20 AM CDT | Flash Flood Warning | FSD | Cherokee | 115 min |
| Aug 23, 2:44 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 31 min |
| Aug 23, 2:58 PM CDT | Mesoscale Discussion | SPC | Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 47 more | 2 hr |
| Aug 23, 5:30 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Dickinson, Emmet, Floyd, Howard and 7 more | 2 hr |
| Aug 24, 3:02 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 10 more | 118 min |
| Aug 25, 8:50 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Clarke, Decatur, Fremont, Madison, Mills and 6 more | 5 hr |
| Aug 25, 9:24 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more | 2 hr |
| Aug 25, 11:32 AM CDT | Severe Thunderstorm Warning | OAX | Page | 28 min |
| Aug 25, 11:33 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 42 min |
| Aug 25, 11:51 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 54 min |
| Aug 25, 12:02 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Union | 58 min |
| Aug 25, 12:35 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 55 min |
| Aug 25, 12:35 PM CDT | Tornado Watch | SPC | Appanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 7 more | 6 hr |
| Aug 25, 1:00 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 45 min |
| Aug 25, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 48 min |
| Aug 25, 1:22 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 113 min |
| Aug 25, 1:28 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 47 min |
| Aug 25, 1:31 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Sioux | 119 min |
| Aug 25, 1:36 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 39 min |
| Aug 25, 1:52 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 53 min |
| Aug 25, 1:54 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 36 min |
| Aug 25, 2:12 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 48 min |
| Aug 25, 2:42 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 63 min |
| Aug 25, 9:57 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more | 93 min |
| Aug 26, 2:29 PM CDT | Mesoscale Discussion | SPC | Allamakee, Audubon, Black Hawk, Boone, Bremer, Buchanan and 39 more | 2 hr |
| Aug 26, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 52 min |
| Aug 26, 3:57 PM CDT | Tornado Warning | DMX | Pocahontas | 48 min |
| Aug 26, 4:07 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 53 min |
| Aug 26, 4:10 PM CDT | Tornado Watch | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 56 more | 6 hr |
| Aug 26, 4:19 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 41 min |
| Aug 26, 4:20 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 40 min |
| Aug 26, 4:46 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 59 min |
| Aug 26, 4:48 PM CDT | Tornado Warning | DMX | Humboldt | 42 min |
| Aug 26, 4:58 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 62 min |
| Aug 26, 5:04 PM CDT | Tornado Warning | DMX | Wright | 41 min |
| Aug 26, 5:33 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 42 min |
| Aug 26, 5:39 PM CDT | Tornado Warning | OAX | Fremont | 51 min |
| Aug 26, 5:46 PM CDT | Tornado Warning | DMX | Wright | 29 min |
| Aug 26, 6:02 PM CDT | Tornado Warning | OAX | Page | 43 min |
| Aug 26, 6:16 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 44 min |
| Aug 26, 6:36 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 24 min |
| Aug 26, 6:37 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 53 min |
| Aug 26, 6:41 PM CDT | Tornado Warning | DMX | Crawford | 49 min |
| Aug 26, 6:41 PM CDT | Tornado Warning | OAX | Page | 34 min |
| Aug 26, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 48 min |
| Aug 26, 6:52 PM CDT | Tornado Warning | DMX | Taylor | 53 min |
| Aug 26, 6:54 PM CDT | Tornado Warning | DMX | Greene | 51 min |
| Aug 26, 6:55 PM CDT | Tornado Warning | DMX | Sac | 50 min |
| Aug 26, 6:56 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 44 min |
| Aug 26, 7:02 PM CDT | Tornado Warning | DMX | Carroll | 43 min |
| Aug 26, 7:10 PM CDT | Tornado Warning | DMX | Boone | 50 min |
| Aug 26, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 49 min |
| Aug 26, 7:45 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 56 more | 90 min |
| Aug 26, 7:46 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 44 min |
| Aug 26, 7:49 PM CDT | Tornado Warning | DMX | Story | 41 min |
| Aug 26, 7:50 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 40 min |
| Aug 26, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 37 min |
| Aug 26, 8:00 PM CDT | Tornado Warning | DMX | Boone | 30 min |
| Aug 26, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 41 min |
| Aug 26, 8:26 PM CDT | Tornado Warning | DMX | Story | 34 min |
| Aug 26, 8:29 PM CDT | Tornado Warning | DMX | Jasper, Marshall | 46 min |
| Aug 26, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 57 min |
| Aug 26, 8:36 PM CDT | Tornado Warning | DMX | Butler | 54 min |
| Aug 26, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 43 min |
| Aug 26, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 41 min |
| Aug 26, 9:13 PM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 39 more | 62 min |
| Aug 26, 9:15 PM CDT | Tornado Warning | OAX | Page | 30 min |
| Aug 26, 9:17 PM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 6 hr |
| Aug 26, 9:17 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 28 min |
| Aug 26, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Grundy | 40 min |
| Aug 26, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 50 min |
| Aug 26, 9:31 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Iowa | 44 min |
| Aug 26, 9:33 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 42 min |
| Aug 26, 9:37 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 38 min |
| Aug 26, 9:44 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 46 min |
| Aug 26, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Buchanan, Cedar and 36 more | 6 hr |
| Aug 26, 9:49 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 56 min |
| Aug 26, 10:07 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 38 min |
| Aug 26, 10:08 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 52 min |
| Aug 26, 10:14 PM CDT | Tornado Warning | DVN | Linn | 46 min |
| Aug 26, 10:16 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 44 min |
| Aug 26, 10:28 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Wayne | 47 min |
| Aug 26, 10:41 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 64 min |
| Aug 26, 10:47 PM CDT | Tornado Warning | DVN | Jones | 43 min |
| Aug 26, 11:00 PM CDT | Tornado Warning | DVN | Delaware, Dubuque | 45 min |
| Aug 26, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 41 min |
| Aug 26, 11:06 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 54 min |
| Aug 26, 11:10 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 50 min |
| Aug 26, 11:16 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 59 min |
| Aug 26, 11:17 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 43 min |
| Aug 26, 11:22 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 53 min |
| Aug 26, 11:25 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 50 min |
| Aug 26, 11:34 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 56 min |
| Aug 26, 11:47 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 58 min |
| Aug 27, 1:12 AM CDT | Flash Flood Warning | DMX | Appanoose, Davis, Wayne | 6 hr |
| Aug 27, 1:25 AM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 9 hr |
| Aug 27, 1:49 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Lee, Louisa and 1 more | 56 min |
| Aug 27, 4:05 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 55 min |
| Aug 27, 4:10 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 21 more | 2 hr |
| Aug 27, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 47 min |
| Aug 27, 6:05 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 55 min |
| Aug 27, 6:09 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 51 min |
| Aug 27, 6:19 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 56 min |
| Aug 27, 6:29 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 61 min |
| Aug 27, 6:46 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 44 min |
| Aug 27, 7:16 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 59 min |
| Aug 27, 8:31 PM CDT | Mesoscale Discussion | SPC | Appanoose | 59 min |
| Aug 27, 8:51 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 54 min |
| Aug 28, 12:42 AM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 8 hr |
| Aug 29, 6:10 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 50 min |
| Aug 29, 6:48 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 42 min |
| Aug 29, 6:59 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 46 min |
| Aug 29, 7:21 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 54 min |
| Aug 29, 8:12 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 33 min |
| Aug 29, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 58 min |
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 | 190 |
| Tornado Warning | 34 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 53 |
| Flooding | |
| Flash Flood Warning | 12 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Davis County28
- Marshall County27
- Decatur County27
- Jasper County26
- Van Buren County26
- Lucas County25
- Wayne County25
- Boone County24
- Monroe County24
- Appanoose County24
- Franklin County23
- Polk County23
- Ringgold County23
- Grundy County23
- Lyon County22
- Cherokee County22
- O'Brien County22
- Clarke County22
- Greene County22
- Hardin County22
- Taylor County22
- Des Moines County22
- Henry County22
- Osceola County21
- Buena Vista County21
- Calhoun County21
- Guthrie County21
- Page County21
- Story County21
- Wapello County21
- Tama County21
- Sac County20
- Dallas County20
- Marion County20
- Montgomery County20
- Poweshiek County20
- Jefferson County20
- Lee County20
- Wright County19
- Mahaska County19
59 more counties
- Union County19
- Warren County19
- Iowa County19
- Louisa County19
- Dickinson County18
- Plymouth County18
- Webster County18
- Adams County18
- Audubon County18
- Hamilton County18
- Butler County18
- Sioux County17
- Carroll County17
- Cass County17
- Keokuk County17
- Clay County16
- Madison County16
- Fremont County16
- Black Hawk County16
- Hancock County15
- Kossuth County15
- Worth County15
- Cerro Gordo County15
- Floyd County15
- Humboldt County15
- Ida County15
- Shelby County15
- Mills County15
- Pottawattamie County15
- Benton County15
- Buchanan County15
- Emmet County14
- Mitchell County14
- Pocahontas County14
- Winneshiek County14
- Bremer County14
- Johnson County14
- Linn County14
- Winnebago County13
- Palo Alto County13
- Adair County13
- Crawford County13
- Woodbury County13
- Washington County13
- Allamakee County13
- Delaware County13
- Howard County12
- Harrison County12
- Fayette County12
- Jones County12
- Chickasaw County11
- Cedar County11
- Clayton County11
- Clinton County11
- Dubuque County11
- Muscatine County11
- Jackson County10
- Scott County10
- Monona County9
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.