Alert archive / Iowa / Tornado Warnings
Tornado Warnings in Iowa, 2019
76 tornado warnings in 2019. 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 2019. Tap one for its archive.
- Tornado Warnings
- 76
- Busiest month
- May38 tornado warnings
- Busiest day
- May 30, 201916 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 |
|---|---|---|---|---|
| May 21, 8:30 PM CDT | Tornado Warning | OAX | Fremont | 11 min |
| May 22, 12:02 AM CDT | Tornado Warning | OAX | Montgomery, Page | 15 min |
| May 24, 5:01 AM CDT | Tornado Warning | OAX | Fremont, Montgomery, Page | 29 min |
| May 24, 6:18 PM CDT | Tornado Warning | DVN | Iowa, Johnson, Keokuk, Washington | 42 min |
| May 24, 6:52 PM CDT | Tornado Warning | DVN | Cedar, Johnson, Muscatine | 53 min |
| May 24, 8:15 PM CDT | Tornado Warning | DVN | Dubuque | 27 min |
| May 24, 8:30 PM CDT | Tornado Warning | ARX | Allamakee | 45 min |
| May 27, 12:32 PM CDT | Tornado Warning | ARX | Floyd, Howard, Mitchell | 43 min |
| May 27, 1:00 PM CDT | Tornado Warning | ARX | Howard | 45 min |
| May 27, 1:07 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd, Howard | 38 min |
| May 27, 1:08 PM CDT | Tornado Warning | DVN | Henry, Lee, Van Buren | 52 min |
| May 27, 1:17 PM CDT | Tornado Warning | DVN | Henry, Lee, Van Buren | 58 min |
| May 27, 1:35 PM CDT | Tornado Warning | DVN | Des Moines, Lee | 40 min |
| May 27, 1:40 PM CDT | Tornado Warning | ARX | Howard | 50 min |
| May 27, 2:04 PM CDT | Tornado Warning | DVN | Des Moines, Lee | 41 min |
| May 27, 2:20 PM CDT | Tornado Warning | ARX | Winneshiek | 23 min |
| May 29, 4:46 PM CDT | Tornado Warning | DMX | Pocahontas | 14 min |
| May 29, 4:59 PM CDT | Tornado Warning | DMX | Pocahontas | 16 min |
| May 29, 5:14 PM CDT | Tornado Warning | DMX | Pocahontas | 31 min |
| May 29, 5:54 PM CDT | Tornado Warning | DMX | Poweshiek | 25 min |
| May 29, 6:20 PM CDT | Tornado Warning | DVN | Benton, Iowa | 40 min |
| May 29, 6:24 PM CDT | Tornado Warning | DMX | Humboldt, Pocahontas | 21 min |
| May 29, 7:06 PM CDT | Tornado Warning | DMX | Poweshiek | 24 min |
| May 29, 7:11 PM CDT | Tornado Warning | DVN | Benton, Iowa, Johnson, Linn | 49 min |
| May 29, 7:18 PM CDT | Tornado Warning | DVN | Iowa | 42 min |
| May 29, 7:28 PM CDT | Tornado Warning | DMX | Poweshiek | 17 min |
| May 29, 7:45 PM CDT | Tornado Warning | DMX | Wright | 30 min |
| May 29, 7:48 PM CDT | Tornado Warning | DMX | Hardin | 27 min |
| May 29, 7:53 PM CDT | Tornado Warning | DMX | Grundy, Hardin, Marshall | 37 min |
| May 29, 7:53 PM CDT | Tornado Warning | DVN | Iowa, Johnson, Linn | 52 min |
| May 29, 8:02 PM CDT | Tornado Warning | DMX | Cerro Gordo, Franklin, Hancock, Wright | 28 min |
| May 29, 8:04 PM CDT | Tornado Warning | DVN | Iowa | 22 min |
| May 29, 8:08 PM CDT | Tornado Warning | DVN | Iowa, Johnson, Washington | 52 min |
| May 29, 8:20 PM CDT | Tornado Warning | DMX | Grundy, Hardin | 40 min |
| May 29, 8:29 PM CDT | Tornado Warning | DMX | Hardin | 16 min |
| May 29, 8:31 PM CDT | Tornado Warning | DVN | Johnson, Linn | 32 min |
| May 29, 8:42 PM CDT | Tornado Warning | DMX | Franklin, Grundy, Hardin | 48 min |
| May 29, 9:13 PM CDT | Tornado Warning | DMX | Butler, Franklin | 32 min |
| Jun 9, 4:34 PM CDT | Tornado Warning | DVN | Delaware, Jones, Linn | 41 min |
| Jun 9, 5:06 PM CDT | Tornado Warning | DVN | Cedar, Jones | 54 min |
| Jun 15, 8:24 PM CDT | Tornado Warning | DVN | Des Moines, Louisa | 17 min |
| Jun 30, 5:35 PM CDT | Tornado Warning | DVN | Dubuque, Jackson | 25 min |
| Jul 5, 8:00 PM CDT | Tornado Warning | ARX | Howard, Mitchell | 18 min |
| Jul 16, 2:37 PM CDT | Tornado Warning | DMX | Cass | 38 min |
| Jul 16, 3:40 PM CDT | Tornado Warning | DMX | Cass | 24 min |
| Jul 16, 6:00 PM CDT | Tornado Warning | DVN | Delaware | 32 min |
| Aug 11, 7:27 PM CDT | Tornado Warning | DVN | Linn | 18 min |
| Aug 13, 5:48 PM CDT | Tornado Warning | ARX | Howard, Mitchell | 23 min |
| Aug 17, 10:41 PM CDT | Tornado Warning | FSD | Lyon, Osceola | 9 min |
| Aug 20, 3:03 AM CDT | Tornado Warning | OAX | Shelby | 15 min |
| Aug 20, 5:29 AM CDT | Tornado Warning | DMX | Madison, Warren | 31 min |
| Aug 20, 5:59 AM CDT | Tornado Warning | DMX | Lucas, Marion, Warren | 16 min |
| Sep 9, 9:38 PM CDT | Tornado Warning | DVN | Benton, Buchanan | 15 min |
| Sep 10, 11:27 PM CDT | Tornado Warning | FSD | Lyon | 33 min |
| Sep 12, 3:24 PM CDT | Tornado Warning | ARX | Howard, Mitchell | 22 min |
| Sep 12, 3:50 PM CDT | Tornado Warning | ARX | Chickasaw, Howard | 25 min |
| Sep 12, 4:39 PM CDT | Tornado Warning | ARX | Fayette, Winneshiek | 36 min |
| Sep 12, 4:45 PM CDT | Tornado Warning | ARX | Fayette, Winneshiek | 30 min |
| Sep 12, 5:38 PM CDT | Tornado Warning | ARX | Allamakee | 37 min |
| Sep 24, 5:29 PM CDT | Tornado Warning | FSD | Ida | 31 min |
| Sep 24, 5:50 PM CDT | Tornado Warning | OAX | Harrison | 25 min |
| Sep 24, 5:54 PM CDT | Tornado Warning | DMX | Sac | 36 min |
| Sep 24, 6:14 PM CDT | Tornado Warning | OAX | Harrison, Shelby | 33 min |
| Sep 24, 6:29 PM CDT | Tornado Warning | DMX | Kossuth | 31 min |
| Sep 24, 7:37 PM CDT | Tornado Warning | OAX | Pottawattamie | 38 min |
| Sep 27, 6:30 PM CDT | Tornado Warning | DVN | Lee | 25 min |
| Sep 27, 6:55 PM CDT | Tornado Warning | DMX | Decatur, Wayne | 37 min |
| Oct 1, 2:50 PM CDT | Tornado Warning | OAX | Fremont, Mills, Montgomery, Page | 40 min |
| Oct 1, 3:02 PM CDT | Tornado Warning | OAX | Fremont | 43 min |
| Oct 1, 3:25 PM CDT | Tornado Warning | OAX | Montgomery | 18 min |
| Oct 1, 3:29 PM CDT | Tornado Warning | OAX | Page | 32 min |
| Oct 1, 4:20 PM CDT | Tornado Warning | DMX | Adair, Madison, Union | 40 min |
| Oct 1, 4:58 PM CDT | Tornado Warning | DMX | Dallas, Madison, Polk, Warren | 32 min |
| Oct 1, 5:53 PM CDT | Tornado Warning | DMX | Jasper | 38 min |
| Oct 1, 6:46 PM CDT | Tornado Warning | DVN | Benton, Linn | 29 min |
| Nov 30, 4:25 PM CST | Tornado Warning | DMX | Dallas, Guthrie | 20 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Howard County8
- Iowa County7
- Johnson County6
- Linn County6
- Lee County5
- Hardin County5
- Fremont County4
- Montgomery County4
- Page County4
- Mitchell County4
- Pocahontas County4
- Benton County4
- Des Moines County3
- Winneshiek County3
- Poweshiek County3
- Grundy County3
- Franklin County3
- Madison County3
- Warren County3
- Washington County2
- Cedar County2
- Dubuque County2
- Allamakee County2
- Floyd County2
- Chickasaw County2
- Henry County2
- Van Buren County2
- Wright County2
- Delaware County2
- Jones County2
- Cass County2
- Lyon County2
- Shelby County2
- Fayette County2
- Harrison County2
- Dallas County2
- Keokuk County1
- Muscatine County1
- Humboldt County1
- Marshall County1
21 more counties
- Cerro Gordo County1
- Hancock County1
- Butler County1
- Louisa County1
- Jackson County1
- Osceola County1
- Lucas County1
- Marion County1
- Buchanan County1
- Ida County1
- Sac County1
- Kossuth County1
- Pottawattamie County1
- Decatur County1
- Wayne County1
- Mills County1
- Adair County1
- Union County1
- Polk County1
- Jasper County1
- Guthrie County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.