Alert archive / Iowa / 2009
Weather alerts in Iowa, April 2009
173 weather alerts in April 2009, 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 2009. Tap one for its archive.
- Alerts
- 173
- Warnings
- 107
- Watches
- 21
- Advisories
- 20
- Busiest day
- April 26, 200970 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 2, 3:15 PM CDT | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 44 hr |
| Apr 2, 3:19 PM CDT | Winter Storm Watch | DMX | Audubon, Boone, Bremer, Butler, Calhoun, Carroll and 18 more | 37 hr |
| Apr 2, 3:20 PM CDT | Winter Storm Watch | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 36 hr |
| Apr 2, 3:24 PM CDT | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 30 hr |
| Apr 3, 10:40 AM CDT | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 41 hr |
| Apr 3, 2:49 PM CDT | Blizzard Watch | OAX | Monona | 13 hr |
| Apr 3, 3:54 PM CDT | Blizzard Watch | DMX | Calhoun, Crawford, Emmet, Humboldt, Kossuth, Palo Alto and 2 more | 12 hr |
| Apr 3, 4:05 PM CDT | Blizzard Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 3 more | 6 hr |
| Apr 3, 9:45 PM CDT | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 39 hr |
| Apr 4, 3:00 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 16 hr |
| Apr 4, 3:20 AM CDT | Blizzard Warning | OAX | Monona | 28 hr |
| Apr 4, 3:20 AM CDT | Winter Storm Warning | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 32 hr |
| Apr 4, 4:00 AM CDT | Winter Storm Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 12 hr |
| Apr 4, 4:23 AM CDT | Blizzard Warning | DMX | Calhoun, Carroll, Cerro Gordo, Crawford, Emmet, Hancock and 9 more | 24 hr |
| Apr 4, 4:23 AM CDT | Winter Storm Watch | DMX | Adair, Adams, Cass, Dallas, Jasper, Madison and 9 more | 11 hr |
| Apr 4, 4:23 AM CDT | Winter Storm Warning | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 23 more | 39 hr |
| Apr 4, 10:53 AM CDT | Winter Storm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 24 hr |
| Apr 4, 10:53 AM CDT | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Winneshiek | 29 hr |
| Apr 4, 3:26 PM CDT | Winter Weather Advisory | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more | 28 hr |
| Apr 4, 3:43 PM CDT | Winter Storm Warning | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 28 hr |
| Apr 4, 3:43 PM CDT | Winter Weather Advisory | DVN | Cedar, Clinton, Iowa, Jackson, Johnson, Jones and 4 more | 28 hr |
| Apr 4, 6:20 PM CDT | Mesoscale Discussion | SPC | Decatur, Page, Ringgold, Taylor, Wayne | 115 min |
| Apr 4, 9:11 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 4 more | 4 hr |
| Apr 5, 3:30 AM CDT | Winter Weather Advisory | OAX | Fremont, Harrison, Monona, Montgomery, Page, Shelby | 13 hr |
| Apr 5, 11:39 AM CDT | Wind Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 7 hr |
| Apr 14, 3:18 PM CDT | Fire Weather Watch | FSD | 13 hr | |
| Apr 15, 4:13 AM CDT | Red Flag Warning | FSD | 15 hr | |
| Apr 20, 10:33 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 8 hr |
| Apr 20, 11:02 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 8 hr |
| Apr 21, 10:50 AM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 8 hr |
| Apr 21, 11:03 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 8 hr |
| Apr 23, 3:29 AM CDT | Wind Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 16 hr |
| Apr 23, 3:44 AM CDT | Red Flag Warning | FSD | 16 hr | |
| Apr 23, 11:42 PM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 8 hr |
| Apr 24, 3:18 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 25 more | 2 hr |
| Apr 24, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Audubon, Black Hawk, Boone and 34 more | 6 hr |
| Apr 24, 5:16 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 44 min |
| Apr 24, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Wright | 42 min |
| Apr 24, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 47 min |
| Apr 24, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hancock, Wright | 45 min |
| Apr 24, 6:16 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 44 min |
| Apr 24, 6:24 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 36 min |
| Apr 24, 6:32 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 58 min |
| Apr 24, 6:37 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 38 min |
| Apr 24, 6:44 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 46 min |
| Apr 24, 6:48 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 24 min |
| Apr 24, 6:52 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 25 min |
| Apr 24, 7:03 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 42 min |
| Apr 24, 7:09 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Hardin, Webster | 51 min |
| Apr 24, 7:14 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 46 min |
| Apr 24, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass, Dallas, Guthrie | 46 min |
| Apr 24, 7:42 PM CDT | Severe Thunderstorm Warning | DMX | Bremer, Butler | 63 min |
| Apr 24, 7:42 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Benton, Black Hawk, Boone and 35 more | 63 min |
| Apr 24, 8:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 48 min |
| Apr 24, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Union | 48 min |
| Apr 24, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 46 min |
| Apr 24, 9:17 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 43 min |
| Apr 24, 9:40 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Black Hawk, Boone, Bremer and 23 more | 65 min |
| Apr 24, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 41 min |
| Apr 25, 1:08 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 52 min |
| Apr 25, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Decatur, Monroe, Wapello, Wayne | 6 hr |
| Apr 25, 5:32 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 11 more | 73 min |
| Apr 25, 7:17 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Wapello, Wayne | 58 min |
| Apr 25, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Warren | 24 min |
| Apr 25, 8:25 PM CDT | Special Weather Statement | DVN | Henry, Jefferson, Washington | 50 min |
| Apr 25, 9:02 PM CDT | River Flood Warning | DMX | Decatur | 48 hr |
| Apr 25, 9:02 PM CDT | River Flood Warning | DMX | Lucas, Wayne | 5 days |
| Apr 25, 9:02 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 55 hr |
| Apr 25, 9:19 PM CDT | Areal Flood Advisory | DMX | Appanoose, Davis, Wapello | 6 hr |
| Apr 25, 9:23 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Lee, Van Buren | 67 min |
| Apr 25, 9:32 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 58 min |
| Apr 25, 9:45 PM CDT | Special Weather Statement | DVN | Cedar, Clinton, Des Moines, Henry, Lee, Louisa and 2 more | 90 min |
| Apr 25, 10:09 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Page | 6 hr |
| Apr 26, 2:20 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Cedar, Delaware, Dubuque, Iowa and 4 more | 3 hr |
| Apr 26, 3:04 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 8 more | 24 hr |
| Apr 26, 3:30 AM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page | 14 hr |
| Apr 26, 3:38 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 34 more | 24 hr |
| Apr 26, 3:45 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 24 hr |
| Apr 26, 4:32 AM CDT | Special Weather Statement | DVN | Clinton, Scott | 118 min |
| Apr 26, 4:34 AM CDT | Special Weather Statement | DVN | Clinton, Scott | 116 min |
| Apr 26, 7:10 AM CDT | River Flood Warning | DMX | Taylor | 24 hr |
| Apr 26, 9:06 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 39 min |
| Apr 26, 9:18 AM CDT | Mesoscale Discussion | SPC | Audubon, Crawford, Harrison, Mills, Monona, Pottawattamie and 2 more | 27 min |
| Apr 26, 9:34 AM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 29 more | 6 hr |
| Apr 26, 9:49 AM CDT | River Flood Warning | DVN | Jones, Linn | 5 days |
| Apr 26, 9:49 AM CDT | River Flood Warning | DVN | Clinton, Scott | 10 days |
| Apr 26, 9:56 AM CDT | River Flood Warning | DVN | Keokuk | 6 days |
| Apr 26, 10:01 AM CDT | River Flood Warning | DVN | Lee | 35 hr |
| Apr 26, 10:40 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Madison, Union | 32 min |
| Apr 26, 10:52 AM CDT | River Flood Warning | DVN | Iowa, Johnson | 12 days |
| Apr 26, 12:30 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Cass, Dallas and 13 more | 60 min |
| Apr 26, 12:48 PM CDT | Areal Flood Advisory | OAX | Fremont, Mills | 6 hr |
| Apr 26, 12:48 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Butler, Calhoun and 33 more | 4 hr |
| Apr 26, 12:59 PM CDT | Areal Flood Advisory | OAX | Fremont, Mills | 6 hr |
| Apr 26, 1:15 PM CDT | River Flood Warning | DMX | Polk, Story | 27 hr |
| Apr 26, 1:24 PM CDT | River Flood Warning | DMX | Madison, Warren | 48 hr |
| Apr 26, 1:49 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 41 min |
| Apr 26, 2:09 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 51 min |
| Apr 26, 2:41 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 35 more | 3 hr |
| Apr 26, 2:50 PM CDT | Areal Flood Advisory | OAX | Pottawattamie | 4 hr |
| Apr 26, 3:01 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 59 min |
| Apr 26, 3:19 PM CDT | River Flood Warning | DMX | Madison, Warren | 4 days |
| Apr 26, 3:42 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 48 min |
| Apr 26, 3:51 PM CDT | Areal Flood Advisory | DMX | Black Hawk, Grundy, Marshall, Tama | 3 hr |
| Apr 26, 3:51 PM CDT | River Flood Warning | DMX | Story | 20 hr |
| Apr 26, 4:08 PM CDT | Flash Flood Warning | DMX | Black Hawk | 6 hr |
| Apr 26, 4:08 PM CDT | River Flood Warning | DMX | Warren | 19 hr |
| Apr 26, 4:14 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Cedar, Delaware, Johnson, Jones and 1 more | 61 min |
| Apr 26, 4:23 PM CDT | Flash Flood Warning | ARX | Fayette | 3 hr |
| Apr 26, 4:34 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 28 min |
| Apr 26, 4:40 PM CDT | Flash Flood Warning | DMX | Adair, Audubon, Cass, Guthrie | 6 hr |
| Apr 26, 4:41 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 23 min |
| Apr 26, 4:52 PM CDT | Tornado Warning | DVN | Delaware, Linn | 23 min |
| Apr 26, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 47 min |
| Apr 26, 5:02 PM CDT | Tornado Watch | SPC | Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 41 more | 6 hr |
| Apr 26, 5:12 PM CDT | Tornado Warning | DVN | Delaware, Dubuque, Jones, Linn | 48 min |
| Apr 26, 5:14 PM CDT | Mesoscale Discussion | SPC | Clayton, Delaware, Dubuque, Jackson | 61 min |
| Apr 26, 5:17 PM CDT | Areal Flood Advisory | DMX | Dallas, Madison, Polk, Warren | 3 hr |
| Apr 26, 5:48 PM CDT | Tornado Warning | DVN | Delaware, Dubuque | 42 min |
| Apr 26, 6:04 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 41 min |
| Apr 26, 6:08 PM CDT | Tornado Warning | DMX | Black Hawk, Tama | 37 min |
| Apr 26, 6:14 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 40 more | 61 min |
| Apr 26, 6:23 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Poweshiek, Tama | 37 min |
| Apr 26, 6:27 PM CDT | Tornado Warning | DVN | Dubuque | 18 min |
| Apr 26, 6:29 PM CDT | Flash Flood Warning | DMX | Marshall | 6 hr |
| Apr 26, 6:30 PM CDT | Flash Flood Warning | DVN | Delaware | 5 hr |
| Apr 26, 6:36 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Marion, Warren | 39 min |
| Apr 26, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Polk, Warren | 51 min |
| Apr 26, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Decatur, Lucas, Monroe, Wayne | 40 min |
| Apr 26, 6:56 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 26 min |
| Apr 26, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 47 min |
| Apr 26, 6:59 PM CDT | Flash Flood Warning | DMX | Grundy, Marshall, Tama | 6 hr |
| Apr 26, 7:11 PM CDT | Flash Flood Warning | ARX | Clayton, Fayette | 6 hr |
| Apr 26, 7:16 PM CDT | Flash Flood Warning | DVN | Benton, Buchanan | 5 hr |
| Apr 26, 8:21 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 33 more | 54 min |
| Apr 26, 8:23 PM CDT | Special Weather Statement | DVN | Delaware, Dubuque, Jones, Linn | 52 min |
| Apr 26, 9:15 PM CDT | River Flood Warning | ARX | Clayton | 24 hr |
| Apr 26, 9:15 PM CDT | River Flood Warning | ARX | Clayton | 24 hr |
| Apr 26, 9:16 PM CDT | River Flood Warning | DMX | Jasper, Marion, Polk | 23 hr |
| Apr 26, 9:16 PM CDT | River Flood Warning | DMX | Mahaska, Marion | 7 days |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Polk | 37 hr |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Polk | 47 hr |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Dallas, Greene | 13 hr |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Dallas, Polk | 31 hr |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Polk | 43 hr |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Polk | 43 hr |
| Apr 26, 9:27 PM CDT | River Flood Warning | DMX | Mahaska, Marion | 35 hr |
| Apr 26, 9:29 PM CDT | Special Weather Statement | DVN | Clinton, Jackson, Muscatine, Scott | 61 min |
| Apr 26, 9:45 PM CDT | River Flood Warning | DMX | Marshall | 42 hr |
| Apr 26, 9:45 PM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 59 hr |
| Apr 26, 9:45 PM CDT | River Flood Warning | DMX | Black Hawk, Butler | 6 hr |
| Apr 26, 10:00 PM CDT | Areal Flood Warning | DMX | Black Hawk | 13 hr |
| Apr 26, 10:25 PM CDT | Areal Flood Warning | DMX | Adair, Audubon, Cass, Guthrie | 12 hr |
| Apr 26, 11:01 PM CDT | Special Weather Statement | DVN | Cedar, Johnson, Jones, Louisa, Muscatine, Washington | 119 min |
| Apr 26, 11:15 PM CDT | Mesoscale Discussion | SPC | Davis, Iowa, Jefferson, Johnson, Keokuk, Linn and 3 more | 60 min |
| Apr 26, 11:38 PM CDT | Areal Flood Warning | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 10 hr |
| Apr 27, 12:27 AM CDT | Areal Flood Warning | DMX | Marshall | 11 hr |
| Apr 27, 12:53 AM CDT | Areal Flood Warning | DMX | Grundy, Marshall, Tama | 10 hr |
| Apr 27, 1:05 AM CDT | Areal Flood Warning | ARX | Clayton, Fayette | 3 hr |
| Apr 27, 1:30 AM CDT | River Flood Warning | DMX | Polk | 10 hr |
| Apr 27, 9:20 AM CDT | River Flood Warning | OAX | Montgomery | 10 hr |
| Apr 27, 11:21 AM CDT | River Flood Warning | DMX | Wapello | 23 hr |
| Apr 27, 1:38 PM CDT | River Flood Warning | DVN | Delaware, Jones | 13 hr |
| Apr 27, 7:35 PM CDT | River Flood Warning | DMX | Black Hawk, Butler | 28 hr |
| Apr 29, 8:56 AM CDT | River Flood Warning | DVN | Louisa | 6 days |
| Apr 29, 3:35 PM CDT | Flash Flood Watch | DVN | Lee, Van Buren | 19 hr |
| Apr 29, 7:42 PM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 4 days |
| Apr 30, 4:49 AM CDT | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 5 hr |
| Apr 30, 6:06 AM CDT | River Flood Warning | DMX | Wapello | 15 hr |
| Apr 30, 8:40 AM CDT | River Flood Warning | DVN | Lee | 63 hr |
| Apr 30, 9:26 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 43 hr |
| Apr 30, 10:29 AM CDT | River Flood Warning | DVN | Des Moines | 4 days |
| Apr 30, 10:29 AM CDT | River Flood Warning | DVN | Des Moines, Lee | 6 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 | 39 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 10 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 8 |
| River Flood Warning | 40 |
| Flash Flood Watch | 5 |
| Areal Flood Advisory | 6 |
| Winter | |
| Blizzard Warning | 3 |
| Winter Storm Warning | 4 |
| Blizzard Watch | 3 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| 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.
- Delaware County23
- Polk County22
- Madison County21
- Jones County19
- Linn County19
- Adair County19
- Marshall County19
- Warren County19
- Dubuque County18
- Cass County18
- Clayton County17
- Butler County17
- Guthrie County17
- Mills County17
- Montgomery County17
- Buchanan County17
- Dallas County17
- Union County17
- Black Hawk County17
- Audubon County16
- Pottawattamie County16
- Tama County16
- Fayette County15
- Boone County15
- Franklin County15
- Benton County15
- Story County15
- Fremont County14
- Page County14
- Jackson County14
- Adams County14
- Marion County14
- Grundy County14
- Bremer County13
- Greene County13
- Hardin County13
- Wright County13
- Cedar County13
- Johnson County13
- Taylor County13
59 more counties
- Decatur County13
- Chickasaw County12
- Cerro Gordo County12
- Hancock County12
- Humboldt County12
- Webster County12
- Jasper County12
- Floyd County11
- Hamilton County11
- Clinton County11
- Iowa County11
- Wayne County11
- Clarke County11
- Wapello County11
- Allamakee County10
- Calhoun County10
- Carroll County10
- Crawford County10
- Monona County10
- Ringgold County10
- Washington County10
- Lee County10
- Appanoose County10
- Davis County10
- Howard County9
- Winneshiek County9
- Kossuth County9
- Pocahontas County9
- Sac County9
- Harrison County9
- Shelby County9
- Clay County9
- O'Brien County9
- Sioux County9
- Mahaska County9
- Poweshiek County9
- Keokuk County9
- Scott County9
- Lucas County9
- Palo Alto County8
- Buena Vista County8
- Cherokee County8
- Dickinson County8
- Osceola County8
- Plymouth County8
- Woodbury County8
- Muscatine County8
- Des Moines County8
- Jefferson County8
- Mitchell County7
- Emmet County7
- Winnebago County7
- Worth County7
- Ida County7
- Lyon County7
- Henry County7
- Louisa County7
- Van Buren County7
- Monroe County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.