Alert archive / Iowa / 2010
Weather alerts in Iowa, April 2010
266 weather alerts in April 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 April 2010. Tap one for its archive.
- Alerts
- 266
- Warnings
- 174
- Watches
- 27
- Advisories
- 17
- Busiest day
- April 6, 201066 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 |
|---|---|---|---|---|
| Apr 1, 4:07 AM CDT | Wind Advisory | OAX | Fremont, Mills | 11 hr |
| Apr 1, 2:15 PM CDT | Red Flag Warning | FSD | 6 hr | |
| Apr 1, 11:31 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux, Woodbury | 89 min |
| Apr 2, 8:28 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Clarke, Dallas, Davis and 25 more | 92 min |
| Apr 2, 10:25 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Jasper, Lucas, Mahaska, Marion and 6 more | 3 hr |
| Apr 2, 11:10 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Clarke, Decatur, Lucas, Monroe, Wayne | 35 min |
| Apr 2, 11:20 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 40 min |
| Apr 2, 11:35 AM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 37 more | 85 min |
| Apr 2, 11:38 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 22 min |
| Apr 2, 11:44 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Mahaska, Marion, Monroe, Polk and 1 more | 31 min |
| Apr 2, 12:40 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Tama | 35 min |
| Apr 2, 12:46 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Linn | 44 min |
| Apr 2, 12:53 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 37 min |
| Apr 2, 12:59 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Chickasaw, Clayton, Delaware and 6 more | 117 min |
| Apr 2, 1:31 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 37 min |
| Apr 2, 9:09 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 31 hr |
| Apr 3, 7:23 PM CDT | River Flood Warning | DMX | Wapello | 21 days |
| Apr 4, 11:02 AM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 88 min |
| Apr 4, 2:22 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Lee, Van Buren | 113 min |
| Apr 4, 3:16 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 45 min |
| Apr 4, 3:34 PM CDT | Tornado Watch | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 9 more | 8 hr |
| Apr 4, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 26 min |
| Apr 4, 5:00 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 44 min |
| Apr 4, 5:05 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk, Washington | 40 min |
| Apr 4, 5:39 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 56 min |
| Apr 4, 6:06 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 54 min |
| Apr 4, 6:23 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 4 more | 67 min |
| Apr 4, 7:25 PM CDT | Special Weather Statement | DVN | Henry, Jefferson, Louisa, Muscatine, Washington | 50 min |
| Apr 4, 7:32 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Muscatine | 47 min |
| Apr 4, 7:52 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 44 min |
| Apr 5, 10:40 AM CDT | River Flood Warning | DVN | Des Moines, Louisa | 7 days |
| Apr 5, 11:11 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 16 more | 64 min |
| Apr 5, 11:37 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas | 38 min |
| Apr 5, 12:12 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 48 min |
| Apr 5, 12:55 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 35 min |
| Apr 5, 1:16 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 44 min |
| Apr 5, 1:22 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Polk | 38 min |
| Apr 5, 1:29 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 34 more | 6 hr |
| Apr 5, 1:50 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor, Union | 40 min |
| Apr 5, 1:54 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold | 51 min |
| Apr 5, 2:02 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 18 hr |
| Apr 5, 2:22 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 38 min |
| Apr 5, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Warren | 38 min |
| Apr 5, 3:28 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Mahaska, Marion | 47 min |
| Apr 5, 3:44 PM CDT | Flash Flood Watch | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 17 more | 18 hr |
| Apr 5, 4:04 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 40 more | 56 min |
| Apr 5, 4:10 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Poweshiek | 50 min |
| Apr 5, 4:20 PM CDT | Special Weather Statement | DVN | Iowa | 70 min |
| Apr 5, 4:29 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 61 min |
| Apr 5, 5:19 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 41 min |
| Apr 5, 5:23 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 26 min |
| Apr 5, 5:23 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 11 more | 67 min |
| Apr 5, 6:22 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 43 min |
| Apr 5, 6:51 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 44 min |
| Apr 5, 7:24 PM CDT | Mesoscale Discussion | SPC | Decatur, Fremont, Page, Ringgold, Taylor | 66 min |
| Apr 5, 7:39 PM CDT | Tornado Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more | 3 hr |
| Apr 5, 9:37 PM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Clayton, Delaware, Dubuque, Fayette and 3 more | 53 min |
| Apr 5, 9:54 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Decatur, Page, Ringgold, Taylor and 2 more | 66 min |
| Apr 5, 10:14 PM CDT | Special Weather Statement | DVN | Benton, Delaware, Dubuque, Jackson, Jones, Linn | 61 min |
| Apr 5, 10:27 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 48 min |
| Apr 5, 10:39 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 30 more | 6 hr |
| Apr 5, 10:58 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 62 min |
| Apr 5, 11:07 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson, Scott | 5 hr |
| Apr 5, 11:13 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 47 min |
| Apr 5, 11:39 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass, Guthrie | 35 min |
| Apr 5, 11:54 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 36 min |
| Apr 6, 12:06 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 39 min |
| Apr 6, 12:09 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 36 min |
| Apr 6, 12:33 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 42 min |
| Apr 6, 1:03 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 42 min |
| Apr 6, 1:11 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 19 min |
| Apr 6, 1:20 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 34 more | 85 min |
| Apr 6, 1:25 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 50 min |
| Apr 6, 3:09 AM CDT | Special Weather Statement | DVN | Benton | 51 min |
| Apr 6, 4:05 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 25 more | 85 min |
| Apr 6, 4:15 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 30 min |
| Apr 6, 4:44 AM CDT | Severe Thunderstorm Watch | SPC | Clinton, Dubuque, Jackson, Scott | 4 hr |
| Apr 6, 5:05 AM CDT | Special Weather Statement | DVN | Scott | 55 min |
| Apr 6, 5:12 AM CDT | Areal Flood Advisory | DMX | Black Hawk, Grundy | 108 min |
| Apr 6, 5:17 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 28 min |
| Apr 6, 6:24 AM CDT | Special Weather Statement | DVN | Jackson, Jones | 51 min |
| Apr 6, 10:01 AM CDT | River Flood Watch | FSD | Sioux | 23 hr |
| Apr 6, 10:01 AM CDT | River Flood Watch | FSD | Plymouth | 23 hr |
| Apr 6, 10:01 AM CDT | River Flood Watch | FSD | Clay, Dickinson | 23 hr |
| Apr 6, 10:01 AM CDT | River Flood Watch | FSD | Buena Vista | 23 hr |
| Apr 6, 12:37 PM CDT | River Flood Warning | DVN | Muscatine, Scott | 22 hr |
| Apr 6, 12:37 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 22 hr |
| Apr 6, 12:37 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 47 hr |
| Apr 6, 12:42 PM CDT | River Flood Warning | DVN | Clinton, Scott | 7 days |
| Apr 6, 12:42 PM CDT | River Flood Warning | DVN | Iowa, Johnson | 5 days |
| Apr 6, 12:42 PM CDT | River Flood Warning | DVN | Louisa | 4 days |
| Apr 6, 12:42 PM CDT | River Flood Warning | DVN | Lee | 22 hr |
| Apr 6, 1:32 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Clarke, Dallas, Decatur and 14 more | 58 min |
| Apr 6, 2:57 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 30 more | 7 hr |
| Apr 6, 3:09 PM CDT | Flood Watch | ARX | Clayton, Fayette | 13 hr |
| Apr 6, 4:22 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 53 min |
| Apr 6, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Grundy | 40 min |
| Apr 6, 4:51 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 39 min |
| Apr 6, 4:55 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 8 more | 65 min |
| Apr 6, 5:03 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Mahaska, Marion, Warren | 42 min |
| Apr 6, 5:06 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 6 hr |
| Apr 6, 5:10 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 65 min |
| Apr 6, 5:11 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 34 min |
| Apr 6, 5:15 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 60 min |
| Apr 6, 5:32 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 58 min |
| Apr 6, 5:44 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek, Tama | 46 min |
| Apr 6, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek, Tama | 48 min |
| Apr 6, 6:01 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 26 min |
| Apr 6, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 39 min |
| Apr 6, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Dubuque | 34 min |
| Apr 6, 6:08 PM CDT | Tornado Warning | DMX | Poweshiek, Tama | 37 min |
| Apr 6, 6:13 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Warren | 32 min |
| Apr 6, 6:16 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clarke, Davis, Decatur and 20 more | 59 min |
| Apr 6, 6:18 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Linn | 57 min |
| Apr 6, 6:29 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Marshall, Polk, Poweshiek | 46 min |
| Apr 6, 6:31 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 36 min |
| Apr 6, 6:44 PM CDT | Areal Flood Advisory | ARX | Clayton, Fayette | 5 hr |
| Apr 6, 6:54 PM CDT | Special Weather Statement | DVN | Buchanan | 51 min |
| Apr 6, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 48 min |
| Apr 6, 6:59 PM CDT | Tornado Warning | DVN | Benton, Buchanan, Delaware, Linn | 43 min |
| Apr 6, 7:24 PM CDT | Tornado Warning | DVN | Delaware, Dubuque, Jones, Linn | 29 min |
| Apr 6, 7:33 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 37 min |
| Apr 6, 7:36 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette | 54 min |
| Apr 6, 7:37 PM CDT | Areal Flood Advisory | DMX | Marion | 3 hr |
| Apr 6, 7:41 PM CDT | Tornado Warning | DMX | Jasper, Mahaska, Poweshiek | 34 min |
| Apr 6, 8:33 PM CDT | Special Weather Statement | DVN | Linn | 27 min |
| Apr 6, 8:46 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 8 more | 59 min |
| Apr 6, 8:55 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 35 min |
| Apr 6, 9:13 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 29 min |
| Apr 6, 9:28 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Des Moines, Dubuque, Henry, Jackson, Lee and 4 more | 6 hr |
| Apr 6, 9:46 PM CDT | River Flood Warning | DVN | Lee | 13 hr |
| Apr 6, 9:46 PM CDT | River Flood Warning | DVN | Johnson, Louisa, Washington | 13 hr |
| Apr 6, 9:46 PM CDT | River Flood Warning | DVN | Louisa | 13 hr |
| Apr 6, 9:51 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Winneshiek | 54 min |
| Apr 7, 1:16 AM CDT | Areal Flood Warning | ARX | Clayton | 5 hr |
| Apr 11, 11:53 AM CDT | Red Flag Warning | FSD | 8 hr | |
| Apr 12, 8:10 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 35 min |
| Apr 12, 10:48 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 27 min |
| Apr 12, 11:13 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 21 min |
| Apr 12, 11:53 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 52 min |
| Apr 12, 12:32 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 22 hr |
| Apr 12, 12:54 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 36 min |
| Apr 12, 1:26 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 34 min |
| Apr 12, 1:54 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 21 min |
| Apr 12, 1:57 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 48 min |
| Apr 12, 2:16 PM CDT | River Flood Warning | FSD | Buena Vista | 20 hr |
| Apr 12, 3:07 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 38 min |
| Apr 12, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 51 min |
| Apr 12, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 48 min |
| Apr 12, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 30 min |
| Apr 12, 5:28 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 62 min |
| Apr 13, 3:15 AM CDT | Wind Advisory | FSD | Lyon | 19 hr |
| Apr 13, 10:04 AM CDT | River Flood Warning | DMX | Humboldt | 4 days |
| Apr 13, 8:10 PM CDT | River Flood Warning | FSD | Buena Vista | 5 days |
| Apr 15, 7:46 PM CDT | River Flood Warning | DMX | Emmet | 15 hr |
| Apr 17, 3:31 AM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 28 hr |
| Apr 22, 6:15 AM CDT | Dense Fog Advisory | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 3 hr |
| Apr 23, 4:10 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Mills, Montgomery, Page and 4 more | 95 min |
| Apr 23, 7:02 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie | 88 min |
| Apr 23, 7:28 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 3 more | 5 hr |
| Apr 23, 9:22 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie | 53 min |
| Apr 23, 10:39 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 36 min |
| Apr 23, 10:58 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 13 more | 5 hr |
| Apr 23, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 40 min |
| Apr 23, 11:43 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 14 min |
| Apr 24, 1:18 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 42 min |
| Apr 24, 2:52 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union | 38 min |
| Apr 24, 3:15 AM CDT | Mesoscale Discussion | SPC | Decatur, Union | 30 min |
| Apr 24, 1:17 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 28 min |
| Apr 24, 1:29 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 30 more | 91 min |
| Apr 24, 3:48 PM CDT | Flash Flood Watch | DVN | Lee, Van Buren | 11 hr |
| Apr 24, 4:17 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 13 min |
| Apr 24, 4:36 PM CDT | Special Weather Statement | DVN | Louisa | 54 min |
| Apr 24, 5:19 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 26 min |
| Apr 24, 5:26 PM CDT | Flash Flood Warning | FSD | Lyon | 102 min |
| Apr 24, 5:37 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 38 min |
| Apr 24, 6:10 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Apr 24, 6:21 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 114 min |
| Apr 24, 6:39 PM CDT | Areal Flood Advisory | DMX | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 13 more | 3 hr |
| Apr 24, 7:11 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 34 min |
| Apr 24, 8:17 PM CDT | Flash Flood Warning | FSD | Plymouth, Sioux | 103 min |
| Apr 24, 8:21 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 114 min |
| Apr 24, 8:43 PM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 49 hr |
| Apr 24, 8:43 PM CDT | River Flood Warning | DVN | Lee | 61 hr |
| Apr 24, 8:53 PM CDT | River Flood Warning | DMX | Mahaska, Wapello | 5 days |
| Apr 24, 8:53 PM CDT | River Flood Warning | DMX | Wapello | 6 days |
| Apr 24, 8:53 PM CDT | River Flood Warning | DMX | Lucas, Wayne | 48 hr |
| Apr 24, 8:53 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 31 hr |
| Apr 24, 9:04 PM CDT | Areal Flood Warning | DMX | Appanoose, Davis, Decatur, Lucas, Monroe, Ringgold and 2 more | 12 hr |
| Apr 24, 9:21 PM CDT | Wind Advisory | DMX | Appanoose, Black Hawk, Bremer, Butler, Davis, Grundy and 14 more | 7 hr |
| Apr 25, 2:01 AM CDT | Areal Flood Warning | DMX | Clarke, Jasper, Lucas, Mahaska, Marion, Monroe and 2 more | 24 hr |
| Apr 25, 2:39 AM CDT | River Flood Warning | DMX | Mahaska, Marion | 37 hr |
| Apr 25, 8:58 AM CDT | River Flood Warning | DVN | Iowa, Johnson | 69 hr |
| Apr 25, 9:03 AM CDT | River Flood Warning | DVN | Lee, Van Buren | 20 hr |
| Apr 25, 9:18 AM CDT | River Flood Warning | DMX | Decatur | 3 hr |
| Apr 25, 9:19 AM CDT | River Flood Warning | DVN | Keokuk | 20 hr |
| Apr 25, 7:34 PM CDT | River Flood Warning | DVN | Johnson, Washington | 32 hr |
| Apr 27, 11:47 AM CDT | Frost Advisory | ARX | Allamakee, Clayton | 20 hr |
| Apr 27, 11:47 AM CDT | Frost Advisory | DVN | Clinton, Delaware, Dubuque, Jackson, Jones, Scott | 19 hr |
| Apr 27, 7:27 PM CDT | River Flood Warning | DVN | Keokuk | 46 hr |
| Apr 28, 3:30 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 17 hr |
| Apr 28, 10:35 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 8 hr |
| Apr 29, 3:16 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 12 hr |
| Apr 29, 3:57 AM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 13 hr |
| Apr 29, 4:00 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 15 hr |
| Apr 29, 10:07 AM CDT | Wind Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 8 hr |
| Apr 29, 3:49 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Harrison, Mills, Montgomery and 3 more | 86 min |
| Apr 29, 4:39 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| Apr 29, 5:18 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Butler, Calhoun, Carroll and 23 more | 57 min |
| Apr 29, 7:12 PM CDT | Mesoscale Discussion | SPC | Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 3 more | 63 min |
| Apr 29, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Webster, Wright | 34 min |
| Apr 29, 7:42 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Webster, Wright | 33 min |
| Apr 29, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Worth, Wright | 49 min |
| Apr 29, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster, Wright | 28 min |
| Apr 29, 8:23 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Butler, Calhoun and 23 more | 67 min |
| Apr 29, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 48 min |
| Apr 29, 8:27 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 33 min |
| Apr 29, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hancock, Worth, Wright | 40 min |
| Apr 29, 9:03 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 42 min |
| Apr 29, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Dallas, Greene, Guthrie | 41 min |
| Apr 29, 9:13 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 47 min |
| Apr 29, 9:13 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 17 min |
| Apr 29, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 13 more | 6 hr |
| Apr 29, 9:30 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 34 min |
| Apr 29, 9:48 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass, Guthrie | 57 min |
| Apr 29, 9:51 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie | 24 min |
| Apr 29, 9:57 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 36 min |
| Apr 29, 10:16 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Hamilton, Webster | 39 min |
| Apr 29, 10:41 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass, Guthrie | 34 min |
| Apr 29, 10:42 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene, Guthrie | 33 min |
| Apr 29, 10:55 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Pottawattamie | 35 min |
| Apr 29, 10:58 PM CDT | Tornado Warning | OAX | Mills, Pottawattamie | 32 min |
| Apr 29, 11:04 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 26 min |
| Apr 29, 11:07 PM CDT | Tornado Warning | OAX | Fremont, Mills | 23 min |
| Apr 29, 11:16 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Guthrie | 44 min |
| Apr 29, 11:21 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 13 more | 54 min |
| Apr 29, 11:29 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 31 min |
| Apr 29, 11:30 PM CDT | Tornado Warning | OAX | Fremont | 16 min |
| Apr 29, 11:44 PM CDT | Tornado Warning | OAX | Fremont | 16 min |
| Apr 29, 11:46 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 4 hr |
| Apr 29, 11:59 PM CDT | Tornado Warning | OAX | Mills, Montgomery | 17 min |
| Apr 30, 2:12 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Dallas, Hardin, Madison, Polk and 3 more | 93 min |
| Apr 30, 9:18 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Des Moines, Henry, Iowa and 16 more | 57 min |
| Apr 30, 9:59 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 31 min |
| Apr 30, 10:09 AM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 36 min |
| Apr 30, 10:20 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 34 more | 5 hr |
| Apr 30, 10:28 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Monroe, Warren | 32 min |
| Apr 30, 11:11 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek, Tama | 34 min |
| Apr 30, 11:35 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 40 min |
| Apr 30, 11:52 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy, Tama | 38 min |
| Apr 30, 12:01 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 29 min |
| Apr 30, 12:09 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 36 min |
| Apr 30, 12:16 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Howard, Winneshiek | 44 min |
| Apr 30, 12:16 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Lee, Van Buren | 59 min |
| Apr 30, 12:21 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 24 min |
| Apr 30, 12:23 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Apr 30, 12:30 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Jefferson, Johnson, Keokuk, Washington | 60 min |
| Apr 30, 1:05 PM CDT | Tornado Watch | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Des Moines and 11 more | 9 hr |
| Apr 30, 1:06 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Louisa, Washington | 54 min |
| Apr 30, 1:22 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Davis, Delaware and 19 more | 53 min |
| Apr 30, 1:24 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn, Louisa, Muscatine | 52 min |
| Apr 30, 1:45 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones, Muscatine, Scott | 60 min |
| Apr 30, 2:24 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Dubuque, Jackson | 38 min |
| Apr 30, 2:41 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 3 more | 64 min |
| Apr 30, 3:00 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 40 min |
| Apr 30, 5:37 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 53 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 | 127 |
| Tornado Warning | 9 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 37 |
| Special Weather Statement | 11 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| River Flood Warning | 31 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| River Flood Watch | 4 |
| Areal Flood Advisory | 4 |
| Cold | |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lucas County31
- Jasper County29
- Marion County28
- Linn County28
- Lee County27
- Poweshiek County27
- Fremont County26
- Mills County26
- Clarke County26
- Johnson County25
- Mahaska County25
- Wapello County25
- Warren County25
- Dubuque County25
- Jackson County25
- Louisa County25
- Appanoose County24
- Decatur County24
- Wayne County24
- Davis County23
- Monroe County23
- Tama County23
- Jones County23
- Muscatine County23
- Pottawattamie County23
- Dallas County22
- Henry County22
- Van Buren County22
- Clinton County22
- Delaware County22
- Scott County22
- Guthrie County22
- Taylor County21
- Benton County21
- Adair County20
- Iowa County20
- Jefferson County20
- Union County20
- Washington County20
- Buchanan County20
59 more counties
- Adams County19
- Polk County19
- Ringgold County19
- Clayton County19
- Fayette County19
- Des Moines County19
- Cass County19
- Montgomery County19
- Page County19
- Audubon County19
- Madison County17
- Cedar County17
- Greene County17
- Keokuk County16
- Black Hawk County16
- Marshall County15
- Grundy County15
- Story County15
- Boone County15
- Carroll County14
- Shelby County14
- Bremer County12
- Hardin County12
- Webster County12
- Wright County12
- Monona County12
- Harrison County12
- Allamakee County11
- Butler County10
- Howard County10
- Winneshiek County10
- Chickasaw County9
- Franklin County9
- Hamilton County9
- Buena Vista County9
- Hancock County9
- Mitchell County8
- Calhoun County8
- Humboldt County8
- Clay County8
- Cerro Gordo County8
- Lyon County7
- Floyd County7
- Crawford County7
- Palo Alto County7
- Sioux County6
- Plymouth County5
- Sac County5
- Pocahontas County5
- Kossuth County5
- Worth County5
- Woodbury County4
- Cherokee County4
- O'Brien County3
- Dickinson County3
- Emmet County3
- Osceola County2
- Ida County2
- Winnebago County2
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. Warning verification from the Mesonet's Cow. Rebuilt daily.