Alert archive / Iowa / 2010
Weather alerts in Iowa, September 2010
209 weather alerts in September 2010, 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 September 2010. Tap one for its archive.
- Alerts
- 209
- Warnings
- 124
- Watches
- 17
- Advisories
- 20
- Busiest day
- September 19, 201029 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 31, 7:13 PM CDT | Areal Flood Advisory | OAX | Fremont, Page | 3 hr |
| Aug 31, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 47 min |
| Aug 31, 7:29 PM CDT | Mesoscale Discussion | SPC | Decatur, Ringgold, Taylor, Wayne | 61 min |
| Aug 31, 7:50 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 55 min |
| Aug 31, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 45 min |
| Aug 31, 8:11 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Clayton, Fayette and 6 more | 94 min |
| Aug 31, 9:35 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Linn | 55 min |
| Aug 31, 9:46 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Clayton, Davis, Delaware and 11 more | 59 min |
| Aug 31, 10:03 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Iowa, Johnson, Linn | 57 min |
| Aug 31, 10:05 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 40 min |
| Aug 31, 10:30 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 60 min |
| Aug 31, 10:41 PM CDT | Special Weather Statement | DVN | Delaware, Dubuque, Jones, Linn | 64 min |
| Aug 31, 11:01 PM CDT | Special Weather Statement | DVN | Cedar, Clinton, Jackson, Johnson, Jones, Scott | 59 min |
| Aug 31, 11:16 PM CDT | Areal Flood Advisory | ARX | Allamakee, Clayton | 104 min |
| Sep 1, 12:58 AM CDT | Areal Flood Advisory | DMX | Davis, Wapello | 3 hr |
| Sep 1, 2:57 PM CDT | River Flood Warning | DVN | Johnson, Washington | 28 hr |
| Sep 1, 2:57 PM CDT | River Flood Warning | DVN | Keokuk | 43 hr |
| Sep 1, 6:19 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Crawford, Fremont and 9 more | 116 min |
| Sep 1, 8:43 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 24 min |
| Sep 1, 10:59 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 46 min |
| Sep 1, 11:28 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Sioux | 62 min |
| Sep 2, 12:24 AM CDT | Areal Flood Advisory | OAX | Fremont | 3 hr |
| Sep 2, 1:11 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 5 hr |
| Sep 2, 3:15 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more | 90 min |
| Sep 2, 2:34 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton | 86 min |
| Sep 2, 3:46 PM CDT | Special Weather Statement | DVN | Buchanan, Delaware | 59 min |
| Sep 2, 5:03 PM CDT | Special Weather Statement | DVN | Iowa, Johnson, Keokuk, Washington | 57 min |
| Sep 2, 5:38 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Louisa, Washington | 40 min |
| Sep 3, 3:33 AM CDT | Wind Advisory | DMX | Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more | 14 hr |
| Sep 3, 3:48 AM CDT | Wind Advisory | FSD | Clay, Dickinson, Osceola | 13 hr |
| Sep 3, 3:52 AM CDT | Wind Advisory | ARX | Chickasaw, Floyd, Howard, Mitchell | 14 hr |
| Sep 5, 2:19 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 41 hr |
| Sep 5, 9:45 PM CDT | Special Weather Statement | DVN | Benton, Cedar, Johnson, Jones, Linn, Muscatine and 1 more | 45 min |
| Sep 5, 10:22 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 53 min |
| Sep 5, 11:05 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Iowa and 7 more | 55 min |
| Sep 6, 12:20 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 12 more | 55 min |
| Sep 6, 4:12 AM CDT | Wind Advisory | OAX | Monona | 15 hr |
| Sep 6, 4:31 AM CDT | Wind Advisory | DMX | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 14 more | 35 hr |
| Sep 6, 3:22 PM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 25 hr |
| Sep 6, 5:38 PM CDT | Mesoscale Discussion | SPC | Adair, Allamakee, Appanoose, Benton, Black Hawk, Boone and 43 more | 97 min |
| Sep 6, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Bremer, Butler, Franklin, Grundy, Hardin | 48 min |
| Sep 6, 7:29 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard | 46 min |
| Sep 6, 7:31 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Iowa, Jefferson, Johnson and 4 more | 59 min |
| Sep 6, 7:50 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 3 hr |
| Sep 6, 9:45 PM CDT | Special Weather Statement | DVN | Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 8 more | 60 min |
| Sep 7, 3:56 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 11 hr |
| Sep 7, 5:42 AM CDT | Wind Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 10 hr |
| Sep 10, 3:38 PM CDT | Special Weather Statement | DVN | Benton, Henry, Iowa, Jefferson, Johnson, Keokuk and 3 more | 2 hr |
| Sep 10, 4:43 PM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 92 min |
| Sep 10, 5:07 PM CDT | Areal Flood Advisory | DMX | Appanoose, Decatur, Wayne | 3 hr |
| Sep 10, 5:52 PM CDT | Areal Flood Advisory | DMX | Appanoose, Davis | 3 hr |
| Sep 10, 6:11 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 12 min |
| Sep 10, 6:17 PM CDT | Special Weather Statement | DVN | Lee | 58 min |
| Sep 12, 4:48 PM CDT | Special Weather Statement | DVN | Dubuque | 57 min |
| Sep 12, 4:55 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 65 min |
| Sep 12, 6:08 PM CDT | Mesoscale Discussion | SPC | Dubuque, Jackson | 67 min |
| Sep 13, 2:27 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 46 min |
| Sep 13, 2:38 PM CDT | Tornado Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 7 hr |
| Sep 13, 3:40 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 50 min |
| Sep 13, 4:04 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 26 min |
| Sep 13, 5:02 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Union | 43 min |
| Sep 13, 5:45 PM CDT | Flash Flood Warning | DMX | Cass | 4 hr |
| Sep 13, 5:45 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Montgomery, Page, Ringgold, Taylor | 60 min |
| Sep 13, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Lucas, Wayne | 39 min |
| Sep 13, 6:09 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Clarke, Decatur, Ringgold, Taylor, Union and 1 more | 4 hr |
| Sep 13, 6:23 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 52 min |
| Sep 13, 7:20 PM CDT | Flash Flood Warning | DMX | Appanoose | 4 hr |
| Sep 13, 8:08 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 25 hr |
| Sep 15, 1:50 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more | 55 min |
| Sep 15, 2:19 PM CDT | Tornado Watch | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 14 more | 6 hr |
| Sep 15, 3:42 PM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Cherokee, Crawford, Guthrie, Harrison and 8 more | 93 min |
| Sep 15, 5:17 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Sep 15, 5:38 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 27 min |
| Sep 15, 5:39 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 51 min |
| Sep 15, 6:07 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 26 more | 53 min |
| Sep 15, 6:21 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Ida | 54 min |
| Sep 15, 7:01 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 44 min |
| Sep 15, 7:32 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 28 min |
| Sep 15, 8:19 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 26 min |
| Sep 17, 6:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 16 more | 85 min |
| Sep 17, 11:12 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 16 more | 7 hr |
| Sep 18, 1:00 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 10 more | 60 min |
| Sep 18, 2:16 AM CDT | Mesoscale Discussion | SPC | Bremer, Butler, Calhoun, Cerro Gordo, Chickasaw, Floyd and 11 more | 59 min |
| Sep 18, 4:42 AM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Dallas and 7 more | 63 min |
| Sep 18, 5:43 AM CDT | Special Weather Statement | DVN | Benton, Linn | 62 min |
| Sep 18, 6:52 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Jackson, Jones, Scott | 53 min |
| Sep 18, 7:49 AM CDT | Special Weather Statement | DVN | Henry, Louisa | 56 min |
| Sep 18, 8:23 AM CDT | Special Weather Statement | DVN | Des Moines | 52 min |
| Sep 18, 11:20 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 25 min |
| Sep 18, 8:26 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 51 more | 94 min |
| Sep 18, 8:54 PM CDT | Severe Thunderstorm Warning | OAX | Page | 36 min |
| Sep 18, 9:25 PM CDT | Severe Thunderstorm Warning | OAX | Page | 35 min |
| Sep 18, 9:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 10 more | 8 hr |
| Sep 18, 9:32 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 43 min |
| Sep 18, 9:59 PM CDT | Severe Thunderstorm Warning | OAX | Page | 31 min |
| Sep 18, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 46 min |
| Sep 18, 10:46 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 44 min |
| Sep 18, 10:58 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 47 min |
| Sep 18, 11:01 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 44 min |
| Sep 18, 11:18 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 42 min |
| Sep 18, 11:30 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 45 min |
| Sep 18, 11:41 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 49 min |
| Sep 18, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 45 min |
| Sep 19, 12:10 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Washington | 65 min |
| Sep 19, 12:15 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Union | 45 min |
| Sep 19, 12:28 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 47 min |
| Sep 19, 12:32 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 43 min |
| Sep 19, 12:40 AM CDT | Flash Flood Warning | DMX | Adams, Cass, Union | 6 hr |
| Sep 19, 1:01 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Ringgold, Union | 44 min |
| Sep 19, 1:16 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 44 min |
| Sep 19, 1:19 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 26 min |
| Sep 19, 1:21 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 39 min |
| Sep 19, 2:04 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 41 min |
| Sep 19, 2:17 AM CDT | Flash Flood Warning | DMX | Decatur, Ringgold, Union, Wayne | 5 hr |
| Sep 19, 2:27 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 48 min |
| Sep 19, 3:15 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor | 60 min |
| Sep 19, 9:02 AM CDT | River Flood Warning | DMX | Taylor | 4 hr |
| Sep 19, 2:09 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 16 hr |
| Sep 20, 1:44 AM CDT | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 32 more | 7 hr |
| Sep 20, 2:07 AM CDT | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 7 hr |
| Sep 20, 4:11 AM CDT | Wind Advisory | OAX | Harrison, Monona | 15 hr |
| Sep 20, 10:19 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 9 hr |
| Sep 21, 9:21 AM CDT | Special Weather Statement | DVN | Buchanan | 54 min |
| Sep 21, 9:57 AM CDT | Special Weather Statement | DVN | Buchanan | 63 min |
| Sep 21, 10:43 AM CDT | Flash Flood Warning | DMX | Audubon, Boone, Dallas, Greene, Guthrie, Polk and 1 more | 3 hr |
| Sep 21, 11:10 AM CDT | Flash Flood Warning | DMX | Marshall, Tama | 3 hr |
| Sep 21, 12:55 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 54 min |
| Sep 21, 1:02 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 16 more | 88 min |
| Sep 21, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 33 min |
| Sep 21, 1:31 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Iowa and 12 more | 7 hr |
| Sep 21, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 54 min |
| Sep 21, 1:40 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones | 65 min |
| Sep 21, 1:46 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Union | 59 min |
| Sep 21, 1:54 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 4 more | 7 hr |
| Sep 21, 2:04 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 45 min |
| Sep 21, 2:04 PM CDT | Special Weather Statement | DVN | Benton, Linn | 56 min |
| Sep 21, 2:08 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 45 min |
| Sep 21, 2:31 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 43 min |
| Sep 21, 2:47 PM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 4 more | 7 hr |
| Sep 21, 2:59 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Louisa, Muscatine, Scott | 61 min |
| Sep 21, 3:09 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 39 min |
| Sep 21, 3:18 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 57 min |
| Sep 21, 3:25 PM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 13 hr |
| Sep 21, 3:40 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 95 min |
| Sep 21, 3:45 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 50 min |
| Sep 21, 3:50 PM CDT | Areal Flood Advisory | DMX | Decatur, Wayne | 3 hr |
| Sep 21, 4:26 PM CDT | Flash Flood Warning | DMX | Decatur, Wayne | 5 hr |
| Sep 21, 5:59 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Lucas, Monroe, Ringgold and 3 more | 91 min |
| Sep 21, 7:50 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 32 hr |
| Sep 22, 8:48 AM CDT | Mesoscale Discussion | SPC | Lyon, Sioux | 87 min |
| Sep 22, 9:33 AM CDT | River Flood Watch | FSD | Sioux | 12 days |
| Sep 22, 9:33 AM CDT | River Flood Watch | FSD | Plymouth | 12 days |
| Sep 22, 11:03 AM CDT | River Flood Warning | DVN | Lee | 19 hr |
| Sep 22, 11:12 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Humboldt and 10 more | 9 hr |
| Sep 22, 11:29 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 46 min |
| Sep 22, 12:05 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 40 min |
| Sep 22, 12:40 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 50 min |
| Sep 22, 2:04 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Kossuth and 6 more | 86 min |
| Sep 22, 2:30 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 45 min |
| Sep 22, 3:00 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola, Sioux | 45 min |
| Sep 22, 3:08 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 23 min |
| Sep 22, 3:39 PM CDT | Flash Flood Watch | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 23 hr |
| Sep 22, 4:09 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 36 min |
| Sep 22, 4:40 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 35 min |
| Sep 22, 5:11 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 34 min |
| Sep 22, 5:36 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay, Dickinson and 22 more | 54 min |
| Sep 22, 5:41 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay, O'Brien | 34 min |
| Sep 22, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 10 min |
| Sep 22, 10:02 PM CDT | Flash Flood Watch | DMX | Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Palo Alto and 3 more | 18 hr |
| Sep 22, 10:35 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 3 more | 55 min |
| Sep 22, 11:47 PM CDT | River Flood Warning | FSD | Lyon | 11 days |
| Sep 22, 11:47 PM CDT | River Flood Warning | FSD | Sioux | 16 days |
| Sep 22, 11:47 PM CDT | River Flood Warning | FSD | Plymouth | 17 days |
| Sep 22, 11:47 PM CDT | River Flood Warning | FSD | Clay | 15 days |
| Sep 22, 11:47 PM CDT | River Flood Warning | FSD | Buena Vista, Clay | 13 days |
| Sep 23, 1:30 AM CDT | Areal Flood Warning | FSD | Dickinson, Osceola | 15 hr |
| Sep 23, 3:15 AM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 8 hr |
| Sep 23, 8:00 AM CDT | River Flood Warning | FSD | Lyon | 5 days |
| Sep 23, 9:20 AM CDT | River Flood Warning | DMX | Emmet | 27 days |
| Sep 23, 9:20 AM CDT | River Flood Warning | DMX | Palo Alto | 18 days |
| Sep 23, 9:20 AM CDT | River Flood Warning | DMX | Humboldt | 23 days |
| Sep 23, 10:24 AM CDT | River Flood Warning | DMX | Wapello | 9 hr |
| Sep 23, 10:44 AM CDT | River Flood Warning | OAX | Fremont | 15 days |
| Sep 23, 10:46 AM CDT | River Flood Warning | FSD | Clay | 5 days |
| Sep 23, 9:58 PM CDT | River Flood Warning | FSD | Lyon | 44 hr |
| Sep 24, 4:13 AM CDT | River Flood Warning | DMX | Appanoose, Wayne | 17 hr |
| Sep 24, 4:53 AM CDT | River Flood Warning | FSD | Lyon, Sioux | 3 days |
| Sep 24, 4:59 AM CDT | River Flood Warning | ARX | Floyd, Mitchell | 65 hr |
| Sep 24, 5:57 AM CDT | River Flood Warning | DVN | Keokuk | 52 hr |
| Sep 24, 7:22 AM CDT | River Flood Warning | DMX | Wapello | 20 hr |
| Sep 24, 12:05 PM CDT | River Flood Warning | DVN | Iowa, Johnson | 22 hr |
| Sep 24, 12:05 PM CDT | River Flood Warning | DVN | Johnson, Washington | 22 hr |
| Sep 24, 12:44 PM CDT | River Flood Warning | ARX | Clayton | 16 days |
| Sep 24, 12:44 PM CDT | River Flood Warning | ARX | Clayton | 15 days |
| Sep 24, 2:33 PM CDT | River Flood Warning | DVN | Lee | 17 hr |
| Sep 25, 7:39 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 51 min |
| Sep 25, 8:34 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 9 days |
| Sep 28, 9:51 AM CDT | River Flood Warning | DMX | Wapello | 44 hr |
| Sep 28, 10:01 AM CDT | River Flood Warning | OAX | Mills | 4 days |
| Sep 28, 10:54 AM CDT | River Flood Warning | DVN | Dubuque, Jackson | 14 days |
| Sep 29, 9:00 PM CDT | River Flood Warning | DVN | Dubuque, Jackson | 10 days |
| Sep 29, 9:00 PM CDT | River Flood Warning | DVN | Jackson | 8 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Clinton, Scott | 11 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Clinton, Scott | 13 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Muscatine, Scott | 9 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Muscatine, Scott | 13 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 11 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 12 days |
| Sep 30, 11:18 AM CDT | River Flood Warning | DVN | Des Moines, Louisa | 14 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 73 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 7 |
| River Flood Warning | 43 |
| Flash Flood Watch | 5 |
| River Flood Watch | 2 |
| Areal Flood Advisory | 7 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sioux County23
- Lyon County22
- Wayne County20
- Clay County20
- Taylor County19
- Johnson County19
- Plymouth County18
- Decatur County17
- Ringgold County17
- Linn County17
- Scott County16
- Adams County16
- O'Brien County16
- Osceola County16
- Benton County15
- Appanoose County15
- Pottawattamie County15
- Dickinson County15
- Woodbury County15
- Union County14
- Iowa County14
- Jackson County14
- Harrison County14
- Buena Vista County14
- Cherokee County14
- Ida County14
- Louisa County14
- Muscatine County14
- Fremont County13
- Dubuque County13
- Washington County13
- Adair County13
- Cass County13
- Shelby County13
- Buchanan County12
- Delaware County12
- Jones County12
- Keokuk County12
- Wapello County12
- Clinton County12
59 more counties
- Guthrie County12
- Monona County12
- Henry County12
- Jefferson County12
- Page County11
- Davis County11
- Audubon County11
- Crawford County11
- Emmet County11
- Palo Alto County11
- Dallas County11
- Carroll County10
- Greene County10
- Clayton County10
- Mills County10
- Montgomery County10
- Pocahontas County10
- Chickasaw County10
- Floyd County10
- Howard County10
- Clarke County10
- Cedar County9
- Cerro Gordo County9
- Kossuth County9
- Humboldt County9
- Lucas County9
- Van Buren County9
- Des Moines County9
- Polk County8
- Monroe County8
- Sac County8
- Worth County8
- Mitchell County8
- Winneshiek County8
- Lee County8
- Boone County7
- Allamakee County7
- Bremer County7
- Grundy County7
- Calhoun County7
- Hancock County7
- Franklin County7
- Madison County7
- Fayette County6
- Jasper County6
- Story County6
- Webster County6
- Winnebago County6
- Butler County6
- Hamilton County6
- Hardin County6
- Wright County6
- Marshall County5
- Tama County5
- Mahaska County5
- Poweshiek County5
- Warren County5
- Black Hawk County4
- Marion County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.