Alert archive / Iowa / 2011
Weather alerts in Iowa, July 2011
256 weather alerts in July 2011, 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 July 2011. Tap one for its archive.
- Alerts
- 256
- Warnings
- 153
- Watches
- 23
- Advisories
- 25
- Busiest day
- July 11, 201141 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 1, 8:37 AM CDT | Excessive Heat Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 12 hr |
| Jul 1, 12:59 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 61 min |
| Jul 1, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | Lyon | 9 hr |
| Jul 1, 6:51 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 39 min |
| Jul 1, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 38 min |
| Jul 1, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Sac | 41 min |
| Jul 1, 7:35 PM CDT | Mesoscale Discussion | SPC | Allamakee, Boone, Bremer, Butler, Calhoun, Carroll and 22 more | 55 min |
| Jul 1, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 49 min |
| Jul 1, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 45 min |
| Jul 1, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Floyd and 13 more | 5 hr |
| Jul 1, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago, Worth | 36 min |
| Jul 1, 9:11 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 49 min |
| Jul 1, 9:13 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Hamilton, Webster | 47 min |
| Jul 1, 9:33 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Worth | 42 min |
| Jul 1, 9:39 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 66 min |
| Jul 1, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 48 min |
| Jul 1, 10:04 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 11 more | 116 min |
| Jul 1, 10:05 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Wright | 40 min |
| Jul 1, 10:23 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 37 min |
| Jul 1, 10:50 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 40 min |
| Jul 1, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 40 min |
| Jul 1, 11:19 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 41 min |
| Jul 1, 11:38 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 5 more | 97 min |
| Jul 3, 5:41 AM CDT | Areal Flood Advisory | OAX | Fremont | 3 hr |
| Jul 5, 2:49 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 86 min |
| Jul 5, 3:10 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth | 27 min |
| Jul 5, 3:32 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 23 more | 88 min |
| Jul 5, 3:36 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 39 min |
| Jul 5, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 45 min |
| Jul 5, 4:47 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 8 hr |
| Jul 5, 4:50 PM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Jul 5, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 47 min |
| Jul 5, 5:52 PM CDT | Tornado Warning | DMX | Boone, Webster | 23 min |
| Jul 5, 6:10 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 24 more | 4 hr |
| Jul 5, 6:28 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 47 min |
| Jul 5, 7:07 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 113 min |
| Jul 5, 7:49 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Carroll, Clarke, Dallas, Decatur and 11 more | 56 min |
| Jul 7, 7:57 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 25 hr |
| Jul 9, 3:44 PM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 52 hr |
| Jul 10, 1:03 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more | 117 min |
| Jul 10, 9:55 AM CDT | River Flood Warning | FSD | Lyon | 25 hr |
| Jul 10, 9:55 AM CDT | River Flood Warning | FSD | Sioux | 14 days |
| Jul 10, 9:55 AM CDT | River Flood Warning | FSD | Plymouth | 13 days |
| Jul 10, 10:35 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Dubuque, Iowa, Johnson and 2 more | 55 min |
| Jul 10, 1:58 PM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 5 hr |
| Jul 10, 2:06 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 16 more | 29 hr |
| Jul 10, 2:45 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 9 more | 2 hr |
| Jul 10, 7:51 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 84 min |
| Jul 10, 9:53 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cerro Gordo, Chickasaw, Dickinson, Emmet, Floyd and 9 more | 67 min |
| Jul 10, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 13 more | 6 hr |
| Jul 10, 10:27 PM CDT | Mesoscale Discussion | SPC | Cherokee, Harrison, Monona, Plymouth, Sioux, Woodbury | 63 min |
| Jul 10, 10:57 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Mills, Monona, Montgomery, Pottawattamie, Shelby | 4 hr |
| Jul 10, 11:45 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Cerro Gordo, Chickasaw, Clayton, Delaware and 8 more | 90 min |
| Jul 10, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 4 hr |
| Jul 11, 1:04 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 41 min |
| Jul 11, 1:08 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 38 more | 13 min |
| Jul 11, 1:09 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 36 min |
| Jul 11, 1:12 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 48 min |
| Jul 11, 1:19 AM CDT | Flash Flood Warning | FSD | Dickinson, Osceola | 4 hr |
| Jul 11, 1:21 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 38 more | 4 hr |
| Jul 11, 1:27 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 33 min |
| Jul 11, 1:53 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 37 min |
| Jul 11, 2:00 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 30 min |
| Jul 11, 2:10 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 50 min |
| Jul 11, 2:24 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 51 min |
| Jul 11, 2:36 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Benton, Black Hawk, Boone, Bremer and 52 more | 114 min |
| Jul 11, 2:41 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison, Polk, Warren | 49 min |
| Jul 11, 2:52 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 38 min |
| Jul 11, 3:12 AM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 16 hr |
| Jul 11, 3:25 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Marshall, Story | 50 min |
| Jul 11, 3:30 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Cedar, Chickasaw, Clayton and 18 more | 6 hr |
| Jul 11, 3:34 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Marshall, Polk, Story, Warren | 41 min |
| Jul 11, 3:53 AM CDT | Tornado Warning | DMX | Marshall, Story | 37 min |
| Jul 11, 4:02 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Poweshiek, Tama | 43 min |
| Jul 11, 4:18 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Tama | 42 min |
| Jul 11, 4:20 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn | 55 min |
| Jul 11, 4:32 AM CDT | Tornado Warning | DMX | Marshall, Tama | 28 min |
| Jul 11, 4:49 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 56 min |
| Jul 11, 4:55 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Cedar, Delaware, Iowa, Johnson, Jones and 1 more | 65 min |
| Jul 11, 4:57 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 18 min |
| Jul 11, 5:07 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 15 more | 113 min |
| Jul 11, 5:24 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Dubuque, Jackson, Jones, Linn | 66 min |
| Jul 11, 5:35 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Dubuque, Jackson, Jones | 55 min |
| Jul 11, 5:38 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 58 min |
| Jul 11, 6:11 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Scott | 64 min |
| Jul 11, 11:22 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 18 days |
| Jul 11, 4:13 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 16 days |
| Jul 11, 4:13 PM CDT | River Flood Warning | FSD | Clay | 18 days |
| Jul 12, 2:09 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Carroll, Cass, Cherokee, Crawford and 11 more | 66 min |
| Jul 12, 1:00 PM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 2 hr |
| Jul 12, 3:52 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 14 days |
| Jul 12, 8:18 PM CDT | River Flood Warning | FSD | Clay | 18 hr |
| Jul 13, 10:47 AM CDT | River Flood Warning | DMX | Humboldt | 11 days |
| Jul 14, 3:09 AM CDT | Excessive Heat Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 36 hr |
| Jul 14, 7:41 AM CDT | Flash Flood Warning | FSD | Buena Vista, Clay, Dickinson, O'Brien, Osceola | 3 hr |
| Jul 14, 8:16 AM CDT | River Flood Warning | FSD | Lyon | 4 hr |
| Jul 14, 8:16 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Jul 14, 8:16 AM CDT | River Flood Warning | FSD | Clay | 6 days |
| Jul 14, 11:06 AM CDT | River Flood Warning | FSD | Cherokee | 11 days |
| Jul 14, 2:30 PM CDT | Excessive Heat Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 days |
| Jul 14, 3:31 PM CDT | Excessive Heat Watch | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 12 hr |
| Jul 14, 3:37 PM CDT | Excessive Heat Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 24 hr |
| Jul 14, 3:40 PM CDT | Excessive Heat Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 24 hr |
| Jul 14, 3:50 PM CDT | River Flood Warning | DMX | Palo Alto | 7 days |
| Jul 15, 3:42 AM CDT | Excessive Heat Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 days |
| Jul 15, 3:57 AM CDT | Excessive Heat Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 36 hr |
| Jul 15, 8:26 AM CDT | River Flood Warning | DMX | Mahaska, Wapello | 55 hr |
| Jul 15, 9:00 AM CDT | River Flood Warning | FSD | Woodbury | 8 days |
| Jul 15, 9:46 AM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 57 hr |
| Jul 15, 11:20 AM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Worth | 85 min |
| Jul 15, 2:21 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 38 more | 114 min |
| Jul 15, 3:32 PM CDT | Excessive Heat Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 6 days |
| Jul 15, 3:42 PM CDT | Excessive Heat Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 9 days |
| Jul 15, 4:41 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago, Worth | 49 min |
| Jul 15, 5:31 PM CDT | Flash Flood Warning | DMX | Winnebago, Worth | 6 hr |
| Jul 15, 5:35 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 40 min |
| Jul 15, 5:49 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 3 hr |
| Jul 15, 7:20 PM CDT | Flash Flood Warning | DMX | Cerro Gordo, Worth | 4 hr |
| Jul 15, 8:18 PM CDT | Special Weather Statement | DVN | Buchanan | 57 min |
| Jul 15, 9:15 PM CDT | River Flood Warning | DMX | Black Hawk | 6 days |
| Jul 15, 9:15 PM CDT | River Flood Warning | DMX | Black Hawk | 5 days |
| Jul 15, 9:15 PM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 5 days |
| Jul 15, 9:17 PM CDT | River Flood Warning | ARX | Floyd, Mitchell | 47 hr |
| Jul 15, 11:25 PM CDT | Areal Flood Warning | DMX | Cerro Gordo, Worth | 24 hr |
| Jul 16, 12:58 AM CDT | Flash Flood Warning | OAX | Pottawattamie, Shelby | 3 hr |
| Jul 16, 2:22 AM CDT | Flash Flood Warning | DMX | Cass | 6 hr |
| Jul 16, 3:27 PM CDT | Excessive Heat Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 days |
| Jul 18, 8:05 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton | 4 hr |
| Jul 19, 1:04 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Clinton, Delaware, Dubuque, Fayette and 5 more | 86 min |
| Jul 21, 2:14 AM CDT | Mesoscale Discussion | SPC | Monona | 2 hr |
| Jul 21, 9:38 AM CDT | Special Weather Statement | DVN | Delaware | 22 min |
| Jul 21, 10:22 AM CDT | River Flood Warning | DMX | Mahaska, Wapello | 8 days |
| Jul 21, 3:45 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Dallas, Fremont and 15 more | 90 min |
| Jul 21, 6:54 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 37 min |
| Jul 21, 7:09 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 18 more | 96 min |
| Jul 21, 7:16 PM CDT | Special Weather Statement | DVN | Louisa | 59 min |
| Jul 21, 8:00 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 16 min |
| Jul 21, 10:44 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 89 min |
| Jul 22, 3:40 AM CDT | Excessive Heat Warning | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 15 more | 41 hr |
| Jul 22, 3:43 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Marshall, Tama | 50 min |
| Jul 22, 4:18 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Linn | 57 min |
| Jul 22, 4:29 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 15 hr |
| Jul 22, 4:52 AM CDT | Flash Flood Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 4 hr |
| Jul 22, 3:00 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 61 more | 90 min |
| Jul 22, 3:01 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 29 hr |
| Jul 22, 3:31 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 28 hr |
| Jul 22, 3:59 PM CDT | Heat Advisory | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 23 hr |
| Jul 22, 4:12 PM CDT | Heat Advisory | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 24 more | 24 hr |
| Jul 22, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy, Hardin | 56 min |
| Jul 22, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy | 46 min |
| Jul 22, 7:38 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 19 more | 97 min |
| Jul 22, 7:45 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 60 min |
| Jul 22, 7:54 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Marshall, Tama | 66 min |
| Jul 22, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 43 min |
| Jul 22, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 42 min |
| Jul 22, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 43 min |
| Jul 22, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones, Linn | 61 min |
| Jul 22, 9:08 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 50 min |
| Jul 22, 9:43 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones, Linn | 62 min |
| Jul 22, 9:53 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 67 min |
| Jul 22, 10:11 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones, Scott | 64 min |
| Jul 22, 10:17 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 43 min |
| Jul 22, 10:54 PM CDT | Special Weather Statement | DVN | Benton, Cedar, Iowa, Johnson, Jones, Linn | 51 min |
| Jul 23, 1:19 AM CDT | Special Weather Statement | DVN | Buchanan, Delaware, Dubuque | 116 min |
| Jul 23, 3:00 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 6 hr |
| Jul 23, 3:23 AM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 12 hr |
| Jul 23, 3:34 AM CDT | Special Weather Statement | DVN | Clinton, Jackson, Jones, Linn | 86 min |
| Jul 23, 6:29 AM CDT | Areal Flood Advisory | ARX | Fayette | 4 hr |
| Jul 23, 10:14 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Howard, Winneshiek | 4 hr |
| Jul 23, 1:10 PM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 65 min |
| Jul 23, 1:52 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Hancock, Kossuth, Lyon and 6 more | 83 min |
| Jul 23, 2:32 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 14 hr |
| Jul 23, 4:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 26 more | 93 min |
| Jul 23, 4:59 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 46 min |
| Jul 23, 5:16 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 25 more | 4 hr |
| Jul 23, 5:24 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 51 min |
| Jul 23, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 47 min |
| Jul 23, 6:10 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Van Buren | 50 min |
| Jul 23, 6:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 45 min |
| Jul 23, 6:34 PM CDT | Tornado Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 26 min |
| Jul 23, 6:34 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 45 min |
| Jul 23, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 48 min |
| Jul 23, 6:47 PM CDT | Tornado Warning | DMX | Appanoose, Wayne | 17 min |
| Jul 23, 7:08 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 52 min |
| Jul 23, 8:40 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Dickinson, Emmet, Floyd, Hancock, Howard and 6 more | 95 min |
| Jul 24, 4:01 AM CDT | Areal Flood Advisory | OAX | Montgomery, Page | 3 hr |
| Jul 24, 4:29 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 37 min |
| Jul 24, 4:44 AM CDT | Severe Thunderstorm Warning | DVN | Washington | 31 min |
| Jul 24, 5:21 AM CDT | Special Weather Statement | DVN | Clinton, Jackson | 54 min |
| Jul 24, 7:17 AM CDT | Special Weather Statement | DVN | Keokuk, Louisa, Muscatine, Washington | 58 min |
| Jul 24, 10:12 AM CDT | Special Weather Statement | DVN | Buchanan, Linn | 63 min |
| Jul 24, 11:03 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 42 min |
| Jul 24, 6:36 PM CDT | Special Weather Statement | DVN | Benton, Delaware, Dubuque, Jones, Linn | 54 min |
| Jul 25, 8:53 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Jul 26, 4:28 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 39 hr |
| Jul 26, 10:53 AM CDT | Heat Advisory | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 10 hr |
| Jul 26, 11:30 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 35 hr |
| Jul 26, 4:27 PM CDT | Special Weather Statement | DVN | Des Moines, Henry | 48 min |
| Jul 26, 4:39 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 40 min |
| Jul 26, 5:43 PM CDT | Special Weather Statement | DVN | Lee | 62 min |
| Jul 27, 2:49 AM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola | 56 min |
| Jul 27, 3:44 AM CDT | Heat Advisory | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 11 more | 18 hr |
| Jul 27, 4:17 AM CDT | Flash Flood Warning | FSD | Lyon | 2 hr |
| Jul 27, 5:02 AM CDT | Flash Flood Warning | FSD | Osceola | 3 hr |
| Jul 27, 9:39 AM CDT | River Flood Warning | FSD | Sioux | 3 days |
| Jul 27, 9:39 AM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| Jul 27, 2:02 PM CDT | Flash Flood Watch | ARX | Clayton, Fayette | 31 hr |
| Jul 27, 3:42 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 31 hr |
| Jul 27, 6:48 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 57 min |
| Jul 27, 6:54 PM CDT | Mesoscale Discussion | SPC | Clayton, Clinton, Delaware, Dubuque, Jackson, Jones | 66 min |
| Jul 27, 7:10 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson | 9 hr |
| Jul 27, 7:35 PM CDT | Tornado Warning | DVN | Dubuque, Jackson | 40 min |
| Jul 27, 7:43 PM CDT | Tornado Watch | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones | 5 hr |
| Jul 27, 8:29 PM CDT | Tornado Warning | DVN | Dubuque, Jackson | 46 min |
| Jul 27, 9:16 PM CDT | Tornado Warning | DVN | Jackson | 31 min |
| Jul 27, 9:43 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones | 62 min |
| Jul 27, 11:55 PM CDT | Flash Flood Warning | DVN | Jackson | 4 hr |
| Jul 28, 12:36 AM CDT | Mesoscale Discussion | SPC | Buchanan, Clinton, Delaware, Dubuque, Jackson, Jones and 1 more | 84 min |
| Jul 28, 12:50 AM CDT | Special Weather Statement | DVN | Delaware, Dubuque, Jackson | 55 min |
| Jul 28, 1:13 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 5 hr |
| Jul 28, 2:36 AM CDT | Flash Flood Warning | ARX | Clayton | 5 hr |
| Jul 28, 3:59 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 46 min |
| Jul 28, 4:10 AM CDT | Areal Flood Warning | DVN | Delaware, Dubuque, Jackson, Jones | 12 hr |
| Jul 28, 4:23 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 52 min |
| Jul 28, 4:24 AM CDT | Flash Flood Warning | ARX | Fayette | 3 hr |
| Jul 28, 5:12 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 33 min |
| Jul 28, 5:18 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 57 min |
| Jul 28, 6:08 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Calhoun, Carroll, Greene, Webster | 52 min |
| Jul 28, 7:27 AM CDT | Areal Flood Warning | ARX | Clayton, Fayette | 6 hr |
| Jul 28, 7:58 AM CDT | River Flood Warning | ARX | Clayton | 13 hr |
| Jul 28, 9:26 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Linn | 64 min |
| Jul 28, 9:40 AM CDT | Special Weather Statement | DVN | Muscatine, Scott | 50 min |
| Jul 28, 10:15 AM CDT | River Flood Warning | DVN | Dubuque, Jackson | 6 hr |
| Jul 28, 10:15 AM CDT | River Flood Warning | DVN | Jackson | 6 hr |
| Jul 28, 10:56 AM CDT | Heat Advisory | DMX | Appanoose, Clarke, Davis, Decatur, Jasper, Lucas and 8 more | 11 hr |
| Jul 28, 12:03 PM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 10 hr |
| Jul 28, 2:47 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Crawford and 18 more | 118 min |
| Jul 28, 3:18 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 27 min |
| Jul 28, 5:40 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 14 more | 95 min |
| Jul 28, 9:50 PM CDT | River Flood Warning | DVN | Clinton, Scott | 37 hr |
| Jul 28, 9:50 PM CDT | River Flood Warning | DVN | Clinton, Scott | 47 hr |
| Jul 29, 4:14 AM CDT | Special Weather Statement | DVN | Lee | 61 min |
| Jul 29, 8:48 AM CDT | River Flood Warning | DVN | Jackson | 23 hr |
| Jul 29, 11:09 AM CDT | River Flood Warning | DVN | Muscatine, Scott | 23 hr |
| Jul 29, 11:09 AM CDT | River Flood Warning | DVN | Muscatine, Scott | 47 hr |
| Jul 29, 4:56 PM CDT | Areal Flood Advisory | OAX | Page | 4 hr |
| Jul 30, 4:17 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 16 hr |
| Jul 30, 4:17 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 30 hr |
| Jul 30, 3:26 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 60 hr |
| Jul 30, 3:33 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 52 hr |
| Jul 30, 3:47 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 72 hr |
| Jul 30, 8:31 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 24 hr |
| Jul 30, 8:31 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 33 hr |
| Jul 30, 8:31 PM CDT | River Flood Warning | DVN | Des Moines | 56 hr |
| Jul 31, 3:54 AM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 66 hr |
| Jul 31, 9:45 AM CDT | River Flood Warning | DVN | Des Moines, Lee | 35 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jackson County32
- Delaware County30
- Jones County29
- Worth County28
- Dubuque County27
- Linn County27
- Kossuth County25
- Clinton County24
- Howard County23
- Buchanan County23
- Mahaska County23
- Mitchell County22
- Black Hawk County22
- Cerro Gordo County21
- Winnebago County21
- Pottawattamie County21
- Lucas County21
- Des Moines County21
- Clayton County20
- Floyd County20
- Winneshiek County20
- Palo Alto County20
- Hancock County20
- Humboldt County20
- Webster County20
- Mills County20
- Jasper County20
- Marion County20
- Monroe County20
- Benton County20
- Louisa County20
- Cedar County20
- Scott County20
- Fayette County19
- Butler County19
- Grundy County19
- Dallas County19
- Adair County19
- Warren County19
- Keokuk County19
59 more counties
- Allamakee County18
- Dickinson County18
- Bremer County18
- Franklin County18
- Hamilton County18
- Fremont County18
- Cass County18
- Appanoose County18
- Madison County18
- Polk County18
- Wayne County18
- Lee County18
- Muscatine County18
- Marshall County18
- Tama County18
- Chickasaw County17
- Carroll County17
- Emmet County17
- Boone County17
- Hardin County17
- Wright County17
- Guthrie County17
- Montgomery County17
- Page County17
- Clay County17
- Clarke County17
- Henry County17
- Washington County17
- Poweshiek County17
- Lyon County16
- Calhoun County16
- Adams County16
- Union County16
- Wapello County16
- Johnson County16
- Osceola County15
- Iowa County15
- O'Brien County14
- Plymouth County14
- Sioux County14
- Sac County14
- Pocahontas County14
- Greene County14
- Audubon County14
- Story County14
- Van Buren County14
- Crawford County13
- Buena Vista County13
- Woodbury County13
- Decatur County13
- Ringgold County13
- Jefferson County13
- Harrison County13
- Cherokee County12
- Shelby County12
- Davis County12
- Monona County11
- Taylor County11
- Ida County9
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.