Alert archive / Iowa / Severe Thunderstorm Warnings / 2001
Severe Thunderstorm Warnings in Iowa, April 2001
163 severe thunderstorm warnings in April 2001. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in April 2001. Tap one for its archive.
- Severe Thunderstorm Warnings
- 163
- Busiest day
- April 9, 200141 severe thunderstorm warnings
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 5, 6:35 AM CDT | Severe Thunderstorm Warning | DMX | Monroe | 30 min |
| Apr 5, 6:50 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 40 min |
| Apr 5, 8:25 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Washington | 50 min |
| Apr 5, 8:48 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 57 min |
| Apr 5, 10:26 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 49 min |
| Apr 5, 11:30 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 30 min |
| Apr 5, 11:58 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 32 min |
| Apr 5, 11:58 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 32 min |
| Apr 5, 12:09 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 36 min |
| Apr 5, 12:29 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 31 min |
| Apr 5, 12:57 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page, Pottawattamie | 33 min |
| Apr 5, 1:14 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 31 min |
| Apr 5, 1:29 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 31 min |
| Apr 5, 1:39 PM CDT | Severe Thunderstorm Warning | OAX | Page | 36 min |
| Apr 5, 3:30 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 45 min |
| Apr 5, 4:11 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 39 min |
| Apr 6, 2:54 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 36 min |
| Apr 6, 4:31 AM CDT | Severe Thunderstorm Warning | DMX | Audubon | 24 min |
| Apr 6, 6:46 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 29 min |
| Apr 6, 7:14 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 46 min |
| Apr 6, 7:38 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 42 min |
| Apr 6, 8:43 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 32 min |
| Apr 6, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 28 min |
| Apr 6, 8:21 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 39 min |
| Apr 6, 8:51 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 39 min |
| Apr 6, 9:17 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 43 min |
| Apr 7, 2:11 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 34 min |
| Apr 7, 2:22 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 38 min |
| Apr 7, 3:05 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola | 25 min |
| Apr 8, 7:05 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 40 min |
| Apr 8, 7:13 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 32 min |
| Apr 8, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 23 min |
| Apr 8, 7:46 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 39 min |
| Apr 8, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 38 min |
| Apr 8, 8:03 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 42 min |
| Apr 8, 8:06 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 39 min |
| Apr 8, 8:06 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 39 min |
| Apr 8, 8:10 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 50 min |
| Apr 8, 8:13 PM CDT | Severe Thunderstorm Warning | DMX | Story | 42 min |
| Apr 8, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 39 min |
| Apr 8, 8:18 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 42 min |
| Apr 8, 8:21 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 29 min |
| Apr 8, 8:23 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 52 min |
| Apr 8, 8:26 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 49 min |
| Apr 8, 8:34 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Union | 41 min |
| Apr 8, 8:41 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 39 min |
| Apr 8, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 41 min |
| Apr 8, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 31 min |
| Apr 8, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 39 min |
| Apr 8, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 41 min |
| Apr 8, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 48 min |
| Apr 8, 9:30 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 45 min |
| Apr 8, 9:47 PM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall | 28 min |
| Apr 8, 10:02 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 28 min |
| Apr 8, 10:06 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 24 min |
| Apr 8, 10:22 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 38 min |
| Apr 8, 10:26 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 24 min |
| Apr 8, 10:29 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 31 min |
| Apr 8, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 47 min |
| Apr 8, 10:40 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 50 min |
| Apr 8, 10:41 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 29 min |
| Apr 8, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 40 min |
| Apr 8, 10:57 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 38 min |
| Apr 8, 10:58 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 52 min |
| Apr 8, 11:36 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 24 min |
| Apr 8, 11:37 PM CDT | Severe Thunderstorm Warning | DMX | Union | 38 min |
| Apr 9, 1:37 AM CDT | Severe Thunderstorm Warning | DVN | Washington | 38 min |
| Apr 9, 2:21 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 39 min |
| Apr 9, 8:29 AM CDT | Severe Thunderstorm Warning | DVN | Cedar | 46 min |
| Apr 9, 8:54 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 66 min |
| Apr 10, 11:59 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 61 min |
| Apr 10, 12:34 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 41 min |
| Apr 10, 1:03 PM CDT | Severe Thunderstorm Warning | OAX | Page | 42 min |
| Apr 10, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 43 min |
| Apr 10, 1:30 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 45 min |
| Apr 10, 3:12 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 33 min |
| Apr 10, 3:30 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 20 min |
| Apr 10, 4:02 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 28 min |
| Apr 10, 4:07 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 38 min |
| Apr 10, 6:00 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Sioux | 30 min |
| Apr 10, 6:19 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 26 min |
| Apr 11, 12:20 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 40 min |
| Apr 11, 12:38 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 37 min |
| Apr 11, 3:21 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 39 min |
| Apr 11, 3:34 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 41 min |
| Apr 11, 3:45 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 45 min |
| Apr 11, 3:57 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 48 min |
| Apr 11, 4:12 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass, Taylor | 38 min |
| Apr 11, 1:46 PM CDT | Severe Thunderstorm Warning | DMX | Union | 29 min |
| Apr 11, 1:50 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 40 min |
| Apr 11, 1:55 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 35 min |
| Apr 11, 2:36 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 29 min |
| Apr 11, 2:37 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 23 min |
| Apr 11, 2:48 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk | 42 min |
| Apr 11, 2:58 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 32 min |
| Apr 11, 4:02 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Apr 11, 4:23 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 32 min |
| Apr 11, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 28 min |
| Apr 11, 4:31 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 44 min |
| Apr 11, 4:34 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 41 min |
| Apr 11, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 30 min |
| Apr 11, 4:43 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 37 min |
| Apr 11, 4:58 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 47 min |
| Apr 11, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 39 min |
| Apr 11, 5:17 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 28 min |
| Apr 11, 6:26 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 64 min |
| Apr 20, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 24 min |
| Apr 20, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 31 min |
| Apr 20, 9:17 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 28 min |
| Apr 20, 9:48 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 37 min |
| Apr 20, 9:57 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 18 min |
| Apr 20, 9:58 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 47 min |
| Apr 20, 9:59 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 31 min |
| Apr 20, 10:07 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 38 min |
| Apr 20, 10:07 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 38 min |
| Apr 20, 10:26 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 34 min |
| Apr 20, 10:27 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 33 min |
| Apr 20, 10:31 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Cass, Crawford | 44 min |
| Apr 20, 10:32 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 38 min |
| Apr 20, 10:32 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 28 min |
| Apr 20, 10:34 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 41 min |
| Apr 20, 10:34 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 41 min |
| Apr 20, 10:48 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 32 min |
| Apr 20, 10:48 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 27 min |
| Apr 20, 10:57 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 48 min |
| Apr 20, 10:58 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 32 min |
| Apr 20, 10:58 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 32 min |
| Apr 20, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Taylor | 42 min |
| Apr 20, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 42 min |
| Apr 20, 11:09 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 41 min |
| Apr 20, 11:14 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 16 min |
| Apr 20, 11:15 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 30 min |
| Apr 20, 11:17 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 38 min |
| Apr 20, 11:32 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 43 min |
| Apr 20, 11:32 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 43 min |
| Apr 20, 11:40 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 40 min |
| Apr 20, 11:46 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 39 min |
| Apr 20, 11:54 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 31 min |
| Apr 20, 11:59 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 46 min |
| Apr 20, 11:59 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 46 min |
| Apr 21, 12:25 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hardin | 40 min |
| Apr 21, 12:47 AM CDT | Severe Thunderstorm Warning | DMX | Butler | 38 min |
| Apr 21, 12:51 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 24 min |
| Apr 21, 12:57 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 38 min |
| Apr 21, 1:02 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 58 min |
| Apr 21, 1:13 AM CDT | Severe Thunderstorm Warning | DMX | Bremer | 42 min |
| Apr 21, 2:39 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton | 51 min |
| Apr 21, 11:45 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 30 min |
| Apr 21, 11:45 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 45 min |
| Apr 22, 12:31 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 29 min |
| Apr 22, 6:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 31 min |
| Apr 22, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Ida | 31 min |
| Apr 22, 8:41 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Apr 22, 9:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 33 min |
| Apr 22, 10:14 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 31 min |
| Apr 23, 9:03 AM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 27 min |
| Apr 23, 9:26 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 49 min |
| Apr 23, 10:24 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 36 min |
| Apr 30, 5:16 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Plymouth, Sioux | 44 min |
| Apr 30, 5:21 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 24 min |
| Apr 30, 6:04 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 26 min |
| Apr 30, 6:29 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 31 min |
| Apr 30, 6:46 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 29 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County11
- Mills County10
- Woodbury County10
- Polk County7
- Sioux County7
- Montgomery County6
- Cass County6
- O'Brien County6
- Adair County6
- Page County5
- Ringgold County5
- Plymouth County5
- Fremont County4
- Adams County4
- Decatur County4
- Monona County4
- Dallas County4
- Mitchell County4
- Taylor County4
- Union County4
- Cherokee County4
- Guthrie County3
- Jasper County3
- Madison County3
- Story County3
- Marshall County3
- Grundy County3
- Hardin County3
- Clay County3
- Dickinson County3
- Ida County3
- Floyd County3
- Harrison County3
- Washington County2
- Des Moines County2
- Audubon County2
- Howard County2
- Lyon County2
- Osceola County2
- Poweshiek County2
45 more counties
- Tama County2
- Clarke County2
- Linn County2
- Cedar County2
- Crawford County2
- Boone County2
- Cerro Gordo County2
- Franklin County2
- Butler County2
- Bremer County2
- Buena Vista County2
- Pocahontas County2
- Carroll County2
- Monroe County1
- Wapello County1
- Jefferson County1
- Henry County1
- Worth County1
- Winneshiek County1
- Delaware County1
- Benton County1
- Lucas County1
- Buchanan County1
- Marion County1
- Wayne County1
- Appanoose County1
- Scott County1
- Warren County1
- Black Hawk County1
- Chickasaw County1
- Allamakee County1
- Clayton County1
- Humboldt County1
- Shelby County1
- Kossuth County1
- Greene County1
- Emmet County1
- Palo Alto County1
- Webster County1
- Hancock County1
- Hamilton County1
- Clinton County1
- Jones County1
- Dubuque County1
- Jackson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.