Alert archive / Iowa / Tornado Warnings
Tornado Warnings in Iowa, 2016
54 tornado warnings in 2016. 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 2016. Tap one for its archive.
- Tornado Warnings
- 54
- Busiest month
- September11 tornado warnings
- Busiest day
- April 27, 20167 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 |
|---|---|---|---|---|
| Mar 15, 5:27 PM CDT | Tornado Warning | DVN | Lee | 48 min |
| Mar 15, 6:05 PM CDT | Tornado Warning | DVN | Des Moines, Lee | 31 min |
| Mar 15, 7:11 PM CDT | Tornado Warning | DVN | Scott | 49 min |
| Mar 15, 7:31 PM CDT | Tornado Warning | DVN | Clinton, Scott | 44 min |
| Mar 15, 7:38 PM CDT | Tornado Warning | DVN | Clinton | 37 min |
| Mar 15, 8:00 PM CDT | Tornado Warning | DVN | Clinton, Jackson | 19 min |
| Apr 27, 2:36 PM CDT | Tornado Warning | OAX | Montgomery, Page | 24 min |
| Apr 27, 2:45 PM CDT | Tornado Warning | OAX | Fremont | 45 min |
| Apr 27, 2:59 PM CDT | Tornado Warning | OAX | Montgomery, Page | 31 min |
| Apr 27, 3:23 PM CDT | Tornado Warning | OAX | Montgomery | 37 min |
| Apr 27, 4:38 PM CDT | Tornado Warning | DMX | Taylor | 37 min |
| Apr 27, 5:14 PM CDT | Tornado Warning | DMX | Adams, Ringgold, Taylor, Union | 34 min |
| Apr 27, 5:45 PM CDT | Tornado Warning | DMX | Adair, Madison, Union | 27 min |
| May 9, 8:05 PM CDT | Tornado Warning | DMX | Guthrie | 25 min |
| Jun 14, 1:56 PM CDT | Tornado Warning | FSD | Osceola | 34 min |
| Jun 14, 2:14 PM CDT | Tornado Warning | FSD | Osceola | 31 min |
| Jun 14, 2:30 PM CDT | Tornado Warning | FSD | Dickinson | 30 min |
| Jun 29, 5:57 PM CDT | Tornado Warning | OAX | Harrison, Pottawattamie | 33 min |
| Jun 29, 6:24 PM CDT | Tornado Warning | OAX | Pottawattamie | 36 min |
| Jul 7, 3:25 PM CDT | Tornado Warning | FSD | Sioux | 16 min |
| Jul 17, 6:36 AM CDT | Tornado Warning | DVN | Scott | 24 min |
| Jul 19, 2:08 PM CDT | Tornado Warning | DMX | Lucas, Monroe | 52 min |
| Jul 19, 3:11 PM CDT | Tornado Warning | DMX | Monroe | 34 min |
| Jul 23, 3:18 PM CDT | Tornado Warning | DVN | Buchanan | 57 min |
| Jul 23, 4:00 PM CDT | Tornado Warning | DVN | Delaware | 45 min |
| Jul 23, 4:26 PM CDT | Tornado Warning | DVN | Delaware | 20 min |
| Jul 23, 4:35 PM CDT | Tornado Warning | DVN | Dubuque, Jackson | 55 min |
| Jul 23, 5:12 PM CDT | Tornado Warning | DVN | Jackson, Jones | 63 min |
| Jul 27, 5:23 PM CDT | Tornado Warning | DMX | Kossuth | 37 min |
| Aug 4, 5:25 PM CDT | Tornado Warning | OAX | Mills, Pottawattamie | 13 min |
| Aug 4, 5:35 PM CDT | Tornado Warning | OAX | Pottawattamie | 3 min |
| Aug 4, 8:54 PM CDT | Tornado Warning | DVN | Clinton, Scott | 36 min |
| Aug 28, 4:33 PM CDT | Tornado Warning | DVN | Buchanan, Delaware, Linn | 27 min |
| Sep 7, 8:01 PM CDT | Tornado Warning | DVN | Des Moines | 29 min |
| Sep 15, 4:42 PM CDT | Tornado Warning | OAX | Harrison, Pottawattamie | 33 min |
| Sep 21, 5:19 PM CDT | Tornado Warning | DMX | Butler | 56 min |
| Sep 21, 5:20 PM CDT | Tornado Warning | ARX | Floyd | 40 min |
| Sep 21, 6:17 PM CDT | Tornado Warning | DMX | Butler | 43 min |
| Sep 21, 6:18 PM CDT | Tornado Warning | ARX | Floyd | 42 min |
| Sep 21, 6:53 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 32 min |
| Sep 21, 6:59 PM CDT | Tornado Warning | DMX | Bremer, Butler | 46 min |
| Sep 21, 7:16 PM CDT | Tornado Warning | DMX | Cerro Gordo | 13 min |
| Sep 21, 7:34 PM CDT | Tornado Warning | ARX | Floyd | 41 min |
| Sep 21, 7:43 PM CDT | Tornado Warning | DMX | Bremer, Butler | 47 min |
| Oct 6, 10:15 PM CDT | Tornado Warning | DVN | Muscatine, Scott | 15 min |
| Oct 6, 10:33 PM CDT | Tornado Warning | DVN | Scott | 27 min |
| Oct 6, 10:55 PM CDT | Tornado Warning | DVN | Scott | 35 min |
| Nov 28, 3:33 PM CST | Tornado Warning | DMX | Butler, Grundy | 27 min |
| Nov 28, 3:43 PM CST | Tornado Warning | DMX | Grundy | 32 min |
| Nov 28, 3:53 PM CST | Tornado Warning | DMX | Mahaska, Poweshiek | 37 min |
| Nov 28, 3:54 PM CST | Tornado Warning | DMX | Marshall, Tama | 18 min |
| Nov 28, 3:59 PM CST | Tornado Warning | DMX | Bremer, Butler | 46 min |
| Nov 28, 4:19 PM CST | Tornado Warning | DMX | Poweshiek | 41 min |
| Nov 28, 4:41 PM CST | Tornado Warning | DMX | Davis | 13 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Scott County7
- Butler County6
- Pottawattamie County5
- Clinton County4
- Floyd County4
- Jackson County3
- Montgomery County3
- Delaware County3
- Bremer County3
- Lee County2
- Des Moines County2
- Page County2
- Taylor County2
- Union County2
- Osceola County2
- Harrison County2
- Monroe County2
- Buchanan County2
- Grundy County2
- Poweshiek County2
- Fremont County1
- Adams County1
- Ringgold County1
- Adair County1
- Madison County1
- Guthrie County1
- Dickinson County1
- Sioux County1
- Lucas County1
- Dubuque County1
- Jones County1
- Kossuth County1
- Mills County1
- Linn County1
- Chickasaw County1
- Cerro Gordo County1
- Muscatine County1
- Mahaska County1
- Marshall County1
- Tama County1
1 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.