Alert archive / Iowa / Tornado Warnings
Tornado Warnings in Iowa, 2001
158 tornado warnings in 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 2001. Tap one for its archive.
- Tornado Warnings
- 158
- Busiest month
- April55 tornado warnings
- Busiest day
- April 11, 200135 tornado warnings
Over time
By month
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 8, 8:16 PM CDT | Tornado Warning | DMX | Jasper | 29 min |
| Apr 8, 8:29 PM CDT | Tornado Warning | DMX | Polk | 31 min |
| Apr 8, 8:30 PM CDT | Tornado Warning | DMX | Adair | 20 min |
| Apr 8, 8:46 PM CDT | Tornado Warning | DMX | Jasper | 29 min |
| Apr 8, 8:52 PM CDT | Tornado Warning | DMX | Dallas | 38 min |
| Apr 8, 9:01 PM CDT | Tornado Warning | DMX | Jasper, Marshall | 29 min |
| Apr 8, 9:25 PM CDT | Tornado Warning | DMX | Polk | 40 min |
| Apr 8, 9:29 PM CDT | Tornado Warning | DMX | Marshall, Tama | 31 min |
| Apr 8, 9:31 PM CDT | Tornado Warning | DMX | Clarke, Decatur | 49 min |
| Apr 8, 9:34 PM CDT | Tornado Warning | DMX | Ringgold | 31 min |
| Apr 8, 10:20 PM CDT | Tornado Warning | DVN | Benton | 40 min |
| Apr 8, 11:39 PM CDT | Tornado Warning | DMX | Wayne | 46 min |
| Apr 11, 11:32 AM CDT | Tornado Warning | DMX | Ringgold | 33 min |
| Apr 11, 12:00 PM CDT | Tornado Warning | DMX | Ringgold, Union | 40 min |
| Apr 11, 12:19 PM CDT | Tornado Warning | DMX | Clarke | 31 min |
| Apr 11, 12:29 PM CDT | Tornado Warning | DMX | Madison | 46 min |
| Apr 11, 12:38 PM CDT | Tornado Warning | OAX | Mills | 37 min |
| Apr 11, 12:39 PM CDT | Tornado Warning | DMX | Dallas, Polk, Warren | 51 min |
| Apr 11, 12:45 PM CDT | Tornado Warning | OAX | Pottawattamie | 30 min |
| Apr 11, 1:04 PM CDT | Tornado Warning | OAX | Harrison | 26 min |
| Apr 11, 1:12 PM CDT | Tornado Warning | OAX | Pottawattamie | 18 min |
| Apr 11, 1:28 PM CDT | Tornado Warning | DMX | Polk | 2 min |
| Apr 11, 1:29 PM CDT | Tornado Warning | OAX | Shelby | 31 min |
| Apr 11, 1:30 PM CDT | Tornado Warning | OAX | Harrison | 30 min |
| Apr 11, 1:40 PM CDT | Tornado Warning | OAX | Monona | 35 min |
| Apr 11, 1:56 PM CDT | Tornado Warning | FSD | Woodbury | 34 min |
| Apr 11, 1:59 PM CDT | Tornado Warning | DMX | Audubon | 31 min |
| Apr 11, 2:28 PM CDT | Tornado Warning | FSD | Woodbury | 32 min |
| Apr 11, 2:32 PM CDT | Tornado Warning | DMX | Greene, Guthrie | 28 min |
| Apr 11, 2:58 PM CDT | Tornado Warning | DMX | Boone | 32 min |
| Apr 11, 3:02 PM CDT | Tornado Warning | DMX | Calhoun, Greene, Webster | 43 min |
| Apr 11, 3:02 PM CDT | Tornado Warning | DMX | Lucas, Marion | 28 min |
| Apr 11, 3:18 PM CDT | Tornado Warning | DMX | Hamilton | 32 min |
| Apr 11, 3:43 PM CDT | Tornado Warning | DMX | Jasper, Marshall | 32 min |
| Apr 11, 3:45 PM CDT | Tornado Warning | DMX | Wright | 45 min |
| Apr 11, 3:51 PM CDT | Tornado Warning | DMX | Franklin, Hamilton, Hardin | 44 min |
| Apr 11, 4:05 PM CDT | Tornado Warning | DMX | Wapello | 20 min |
| Apr 11, 4:17 PM CDT | Tornado Warning | DVN | Keokuk | 28 min |
| Apr 11, 4:38 PM CDT | Tornado Warning | DVN | Washington | 22 min |
| Apr 11, 4:42 PM CDT | Tornado Warning | DVN | Benton | 18 min |
| Apr 11, 4:51 PM CDT | Tornado Warning | DVN | Iowa, Johnson | 24 min |
| Apr 11, 5:07 PM CDT | Tornado Warning | DMX | Black Hawk | 23 min |
| Apr 11, 5:10 PM CDT | Tornado Warning | DVN | Johnson, Linn | 35 min |
| Apr 11, 5:11 PM CDT | Tornado Warning | ARX | Fayette | 64 min |
| Apr 11, 5:15 PM CDT | Tornado Warning | DVN | Buchanan | 30 min |
| Apr 11, 5:43 PM CDT | Tornado Warning | DVN | Linn | 32 min |
| Apr 11, 6:00 PM CDT | Tornado Warning | ARX | Winneshiek | 45 min |
| Apr 20, 9:09 PM CDT | Tornado Warning | FSD | O'Brien, Sioux | 36 min |
| Apr 20, 9:28 PM CDT | Tornado Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 47 min |
| Apr 20, 9:30 PM CDT | Tornado Warning | FSD | Plymouth | 30 min |
| Apr 20, 10:14 PM CDT | Tornado Warning | FSD | Dickinson, Osceola | 31 min |
| Apr 22, 8:26 PM CDT | Tornado Warning | OAX | Monona | 34 min |
| Apr 23, 8:34 AM CDT | Tornado Warning | DVN | Buchanan, Delaware | 26 min |
| Apr 30, 5:35 PM CDT | Tornado Warning | FSD | O'Brien | 25 min |
| Apr 30, 6:01 PM CDT | Tornado Warning | FSD | O'Brien, Sioux | 29 min |
| Apr 30, 7:59 PM CDT | Tornado Warning | FSD | Woodbury | 31 min |
| Apr 30, 8:07 PM CDT | Tornado Warning | OAX | Monona | 23 min |
| Apr 30, 8:28 PM CDT | Tornado Warning | OAX | Monona | 32 min |
| May 1, 6:58 PM CDT | Tornado Warning | OAX | Harrison | 47 min |
| May 1, 7:35 PM CDT | Tornado Warning | DMX | Carroll, Greene, Guthrie | 30 min |
| May 1, 7:36 PM CDT | Tornado Warning | OAX | Shelby | 24 min |
| May 1, 8:04 PM CDT | Tornado Warning | DMX | Guthrie | 31 min |
| May 10, 4:05 PM CDT | Tornado Warning | DMX | Hardin | 30 min |
| May 10, 4:37 PM CDT | Tornado Warning | DMX | Greene | 28 min |
| May 10, 4:56 PM CDT | Tornado Warning | DMX | Boone | 29 min |
| May 10, 5:01 PM CDT | Tornado Warning | DMX | Marshall | 19 min |
| May 10, 5:07 PM CDT | Tornado Warning | DMX | Grundy | 13 min |
| May 10, 5:15 PM CDT | Tornado Warning | DMX | Greene, Guthrie | 40 min |
| May 10, 5:19 PM CDT | Tornado Warning | DMX | Tama | 31 min |
| May 10, 5:25 PM CDT | Tornado Warning | DMX | Boone, Story | 45 min |
| May 10, 5:39 PM CDT | Tornado Warning | DMX | Tama | 31 min |
| May 10, 5:54 PM CDT | Tornado Warning | DMX | Guthrie | 41 min |
| May 10, 6:00 PM CDT | Tornado Warning | ARX | Clayton | 45 min |
| May 10, 6:01 PM CDT | Tornado Warning | DVN | Benton | 44 min |
| May 10, 6:05 PM CDT | Tornado Warning | DMX | Marshall | 40 min |
| May 10, 6:05 PM CDT | Tornado Warning | DVN | Delaware | 40 min |
| May 10, 6:24 PM CDT | Tornado Warning | DMX | Jasper | 31 min |
| May 10, 6:27 PM CDT | Tornado Warning | DMX | Dallas | 43 min |
| May 10, 6:28 PM CDT | Tornado Warning | DVN | Iowa | 47 min |
| May 10, 6:33 PM CDT | Tornado Warning | DVN | Johnson, Linn | 57 min |
| May 10, 6:42 PM CDT | Tornado Warning | DVN | Benton | 63 min |
| May 10, 7:11 PM CDT | Tornado Warning | DVN | Jones | 64 min |
| May 10, 7:20 PM CDT | Tornado Warning | OAX | Fremont, Page | 25 min |
| May 10, 7:28 PM CDT | Tornado Warning | DVN | Johnson, Linn | 62 min |
| May 10, 7:48 PM CDT | Tornado Warning | DVN | Cedar | 42 min |
| May 10, 8:02 PM CDT | Tornado Warning | DVN | Clinton, Jackson | 58 min |
| May 10, 8:10 PM CDT | Tornado Warning | DMX | Marion | 30 min |
| May 10, 8:11 PM CDT | Tornado Warning | DVN | Jones | 34 min |
| May 10, 8:27 PM CDT | Tornado Warning | DVN | Muscatine | 63 min |
| May 10, 8:28 PM CDT | Tornado Warning | DVN | Cedar | 62 min |
| May 10, 8:39 PM CDT | Tornado Warning | DVN | Scott | 66 min |
| May 10, 8:58 PM CDT | Tornado Warning | DVN | Clinton | 47 min |
| Jun 1, 1:42 PM CDT | Tornado Warning | DMX | Crawford | 18 min |
| Jun 1, 2:48 PM CDT | Tornado Warning | DMX | Butler | 32 min |
| Jun 1, 3:22 PM CDT | Tornado Warning | DMX | Black Hawk, Butler | 38 min |
| Jun 1, 4:00 PM CDT | Tornado Warning | DMX | Black Hawk | 30 min |
| Jun 1, 4:13 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer, Butler | 42 min |
| Jun 1, 4:35 PM CDT | Tornado Warning | DVN | Buchanan | 40 min |
| Jun 1, 4:51 PM CDT | Tornado Warning | DMX | Black Hawk | 14 min |
| Jun 1, 5:11 PM CDT | Tornado Warning | DVN | Delaware | 64 min |
| Jun 1, 5:14 PM CDT | Tornado Warning | DVN | Buchanan | 46 min |
| Jun 1, 5:51 PM CDT | Tornado Warning | DVN | Dubuque, Jones | 24 min |
| Jun 1, 6:13 PM CDT | Tornado Warning | DVN | Dubuque, Jones | 47 min |
| Jun 1, 6:24 PM CDT | Tornado Warning | DVN | Jackson | 51 min |
| Jun 12, 11:17 AM CDT | Tornado Warning | DMX | Poweshiek | 28 min |
| Jun 12, 12:02 PM CDT | Tornado Warning | DMX | Crawford | 28 min |
| Jun 12, 12:28 PM CDT | Tornado Warning | DMX | Crawford | 32 min |
| Jun 12, 6:35 PM CDT | Tornado Warning | FSD | Sioux | 25 min |
| Jun 12, 6:58 PM CDT | Tornado Warning | FSD | Sioux | 32 min |
| Jun 12, 7:58 PM CDT | Tornado Warning | FSD | Lyon | 32 min |
| Jun 12, 8:08 PM CDT | Tornado Warning | FSD | O'Brien, Osceola | 37 min |
| Jun 12, 8:27 PM CDT | Tornado Warning | FSD | Lyon | 48 min |
| Jun 12, 8:30 PM CDT | Tornado Warning | FSD | Osceola | 30 min |
| Jun 12, 9:01 PM CDT | Tornado Warning | FSD | Dickinson | 29 min |
| Jun 12, 9:11 PM CDT | Tornado Warning | FSD | Lyon, Osceola | 34 min |
| Jun 12, 9:30 PM CDT | Tornado Warning | FSD | Dickinson | 30 min |
| Jun 12, 9:43 PM CDT | Tornado Warning | FSD | Osceola | 47 min |
| Jun 12, 10:29 PM CDT | Tornado Warning | FSD | Osceola | 31 min |
| Jun 12, 10:44 PM CDT | Tornado Warning | FSD | Dickinson | 31 min |
| Jun 13, 8:32 PM CDT | Tornado Warning | FSD | O'Brien, Osceola | 28 min |
| Jun 13, 8:58 PM CDT | Tornado Warning | FSD | Dickinson | 32 min |
| Jun 13, 9:16 PM CDT | Tornado Warning | FSD | Clay, O'Brien | 29 min |
| Jun 13, 9:41 PM CDT | Tornado Warning | DMX | Emmet | 24 min |
| Jun 13, 9:58 PM CDT | Tornado Warning | FSD | Cherokee, Ida | 32 min |
| Jun 14, 2:59 PM CDT | Tornado Warning | DMX | Decatur, Ringgold | 31 min |
| Jun 14, 5:57 PM CDT | Tornado Warning | DVN | Cedar, Muscatine, Scott | 33 min |
| Jun 18, 7:09 PM CDT | Tornado Warning | FSD | Woodbury | 36 min |
| Jun 18, 7:31 PM CDT | Tornado Warning | OAX | Harrison | 29 min |
| Jun 18, 7:57 PM CDT | Tornado Warning | OAX | Harrison | 33 min |
| Jun 18, 8:59 PM CDT | Tornado Warning | DMX | Humboldt, Webster, Wright | 31 min |
| Jun 18, 9:15 PM CDT | Tornado Warning | DMX | Carroll | 30 min |
| Jul 17, 11:15 PM CDT | Tornado Warning | OAX | Pottawattamie | 30 min |
| Jul 18, 12:59 AM CDT | Tornado Warning | OAX | Page | 31 min |
| Jul 24, 4:38 PM CDT | Tornado Warning | DMX | Polk | 32 min |
| Aug 17, 5:15 PM CDT | Tornado Warning | FSD | Sioux | 30 min |
| Aug 17, 5:28 PM CDT | Tornado Warning | FSD | Woodbury | 32 min |
| Aug 17, 5:30 PM CDT | Tornado Warning | FSD | Plymouth | 30 min |
| Aug 17, 5:37 PM CDT | Tornado Warning | FSD | Cherokee | 23 min |
| Aug 17, 5:43 PM CDT | Tornado Warning | FSD | Sioux | 32 min |
| Aug 17, 5:55 PM CDT | Tornado Warning | FSD | Cherokee, Plymouth | 50 min |
| Aug 17, 5:55 PM CDT | Tornado Warning | FSD | Woodbury | 35 min |
| Aug 17, 6:27 PM CDT | Tornado Warning | OAX | Monona | 48 min |
| Aug 17, 6:30 PM CDT | Tornado Warning | FSD | Woodbury | 15 min |
| Aug 17, 6:39 PM CDT | Tornado Warning | FSD | Ida, Woodbury | 51 min |
| Aug 17, 7:28 PM CDT | Tornado Warning | FSD | Ida, Woodbury | 32 min |
| Aug 17, 7:51 PM CDT | Tornado Warning | OAX | Monona | 24 min |
| Aug 17, 8:14 PM CDT | Tornado Warning | OAX | Harrison, Monona | 31 min |
| Aug 17, 8:23 PM CDT | Tornado Warning | OAX | Shelby | 37 min |
| Sep 6, 3:40 PM CDT | Tornado Warning | DMX | Polk | 30 min |
| Sep 6, 3:50 PM CDT | Tornado Warning | DMX | Polk | 30 min |
| Sep 6, 6:21 PM CDT | Tornado Warning | ARX | Clayton, Fayette | 24 min |
| Sep 6, 7:23 PM CDT | Tornado Warning | ARX | Allamakee | 37 min |
| Sep 7, 7:00 PM CDT | Tornado Warning | OAX | Page | 45 min |
| Sep 20, 3:18 PM CDT | Tornado Warning | DMX | Hancock | 42 min |
| Sep 20, 4:55 PM CDT | Tornado Warning | DMX | Warren | 35 min |
| Sep 20, 5:07 PM CDT | Tornado Warning | DMX | Lucas | 28 min |
| Sep 20, 5:29 PM CDT | Tornado Warning | DMX | Lucas | 31 min |
| Sep 20, 6:05 PM CDT | Tornado Warning | DMX | Appanoose | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Woodbury County9
- Osceola County8
- Polk County7
- Monona County7
- O'Brien County7
- Sioux County7
- Harrison County6
- Jasper County5
- Marshall County5
- Greene County5
- Guthrie County5
- Black Hawk County5
- Dickinson County5
- Ringgold County4
- Benton County4
- Johnson County4
- Linn County4
- Buchanan County4
- Lyon County4
- Jones County4
- Dallas County3
- Tama County3
- Pottawattamie County3
- Shelby County3
- Boone County3
- Lucas County3
- Plymouth County3
- Delaware County3
- Page County3
- Cedar County3
- Crawford County3
- Butler County3
- Cherokee County3
- Ida County3
- Clarke County2
- Decatur County2
- Warren County2
- Webster County2
- Marion County2
- Hamilton County2
34 more counties
- Wright County2
- Hardin County2
- Iowa County2
- Fayette County2
- Carroll County2
- Clayton County2
- Clinton County2
- Jackson County2
- Muscatine County2
- Scott County2
- Dubuque County2
- Adair County1
- Wayne County1
- Union County1
- Madison County1
- Mills County1
- Audubon County1
- Calhoun County1
- Franklin County1
- Wapello County1
- Keokuk County1
- Washington County1
- Winneshiek County1
- Grundy County1
- Story County1
- Fremont County1
- Bremer County1
- Poweshiek County1
- Clay County1
- Emmet County1
- Humboldt County1
- Allamakee County1
- Hancock County1
- Appanoose County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.