Alert archive / Iowa / Tornado Warnings
Tornado Warnings in Iowa, 1991
53 tornado warnings in 1991. 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 1991. Tap one for its archive.
- Tornado Warnings
- 53
- Busiest month
- April15 tornado warnings
- Busiest day
- April 29, 19918 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 22, 3:58 PM CST | Tornado Warning | DMX | Boone | 32 min |
| Mar 22, 4:14 PM CST | Tornado Warning | DMX | Boone | 29 min |
| Mar 22, 4:34 PM CST | Tornado Warning | DMX | Story | 26 min |
| Mar 22, 5:02 PM CST | Tornado Warning | DMX | Hardin | 28 min |
| Mar 22, 5:28 PM CST | Tornado Warning | DMX | Grundy | 47 min |
| Mar 27, 12:13 PM CST | Tornado Warning | DVN | Dubuque, Jackson | 32 min |
| Apr 8, 3:28 PM CDT | Tornado Warning | DVN | Dubuque, Jones | 32 min |
| Apr 26, 7:49 PM CDT | Tornado Warning | DMX | Crawford | 26 min |
| Apr 26, 8:19 PM CDT | Tornado Warning | DMX | Sac | 56 min |
| Apr 26, 11:18 PM CDT | Tornado Warning | DMX | Wayne | 27 min |
| Apr 26, 11:23 PM CDT | Tornado Warning | DMX | Lucas | 37 min |
| Apr 27, 2:04 AM CDT | Tornado Warning | DMX | Iowa | 41 min |
| Apr 27, 2:04 AM CDT | Tornado Warning | DMX | Keokuk | 15 min |
| Apr 29, 1:23 PM CDT | Tornado Warning | OAX | Pottawattamie | 37 min |
| Apr 29, 1:25 PM CDT | Tornado Warning | DMX | Crawford, Sac | 35 min |
| Apr 29, 1:52 PM CDT | Tornado Warning | DMX | Crawford | 53 min |
| Apr 29, 1:54 PM CDT | Tornado Warning | OAX | Harrison, Pottawattamie, Shelby | 36 min |
| Apr 29, 1:57 PM CDT | Tornado Warning | DMX | Buena Vista | 33 min |
| Apr 29, 2:19 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 36 min |
| Apr 29, 2:31 PM CDT | Tornado Warning | DMX | Pocahontas | 44 min |
| Apr 29, 3:05 PM CDT | Tornado Warning | DMX | Palo Alto | 40 min |
| May 14, 1:38 PM CDT | Tornado Warning | DVN | Delaware | 37 min |
| May 14, 1:40 PM CDT | Tornado Warning | DMX | Linn | 35 min |
| May 14, 2:01 PM CDT | Tornado Warning | DVN | Dubuque | 29 min |
| May 14, 2:45 PM CDT | Tornado Warning | DVN | Cedar | 30 min |
| May 14, 6:56 PM CDT | Tornado Warning | DMX | Polk | 34 min |
| May 17, 2:05 PM CDT | Tornado Warning | DMX | Hamilton, Wright | 25 min |
| May 17, 3:53 PM CDT | Tornado Warning | DMX | Johnson | 37 min |
| May 17, 3:59 PM CDT | Tornado Warning | DVN | Muscatine | 31 min |
| May 17, 4:12 PM CDT | Tornado Warning | DMX | Hamilton, Webster | 33 min |
| May 17, 4:19 PM CDT | Tornado Warning | DVN | Scott | 41 min |
| May 17, 4:48 PM CDT | Tornado Warning | DVN | Muscatine | 27 min |
| May 17, 4:55 PM CDT | Tornado Warning | DMX | Wright | 50 min |
| May 17, 5:02 PM CDT | Tornado Warning | DVN | Scott | 28 min |
| May 27, 8:14 PM CDT | Tornado Warning | DMX | Mitchell | 41 min |
| Jun 1, 3:13 PM CDT | Tornado Warning | OAX | Pottawattamie | 62 min |
| Jun 1, 4:24 PM CDT | Tornado Warning | OAX | Mills | 36 min |
| Jun 10, 3:43 PM CDT | Tornado Warning | DMX | Tama | 11 min |
| Jun 14, 8:24 PM CDT | Tornado Warning | OAX | Pottawattamie | 36 min |
| Jun 14, 8:24 PM CDT | Tornado Warning | OAX | Mills | 36 min |
| Jun 14, 8:59 PM CDT | Tornado Warning | OAX | Harrison | 31 min |
| Jun 14, 9:32 PM CDT | Tornado Warning | OAX | Harrison | 43 min |
| Jun 15, 12:21 AM CDT | Tornado Warning | DMX | Bremer | 39 min |
| Jun 18, 9:00 PM CDT | Tornado Warning | DMX | Chickasaw | 45 min |
| Jul 17, 9:45 PM CDT | Tornado Warning | DMX | Howard | 30 min |
| Jul 22, 8:58 PM CDT | Tornado Warning | DVN | Des Moines, Henry | 32 min |
| Aug 7, 6:09 PM CDT | Tornado Warning | FSD | Cherokee, Plymouth | 36 min |
| Sep 12, 4:19 PM CDT | Tornado Warning | DMX | Benton | 26 min |
| Sep 12, 4:19 PM CDT | Tornado Warning | DMX | Tama | 19 min |
| Sep 12, 4:58 PM CDT | Tornado Warning | DMX | Johnson | 32 min |
| Sep 12, 5:01 PM CDT | Tornado Warning | DMX | Linn | 24 min |
| Sep 12, 5:18 PM CDT | Tornado Warning | DVN | Jones | 27 min |
| Sep 13, 8:37 PM CDT | Tornado Warning | DMX | Winnebago | 38 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County4
- Dubuque County3
- Crawford County3
- Harrison County3
- Hamilton County3
- Boone County2
- Hardin County2
- Jones County2
- Sac County2
- Linn County2
- Wright County2
- Johnson County2
- Muscatine County2
- Scott County2
- Mills County2
- Tama County2
- Story County1
- Grundy County1
- Jackson County1
- Wayne County1
- Lucas County1
- Iowa County1
- Keokuk County1
- Shelby County1
- Buena Vista County1
- Pocahontas County1
- Palo Alto County1
- Delaware County1
- Cedar County1
- Polk County1
- Webster County1
- Mitchell County1
- Bremer County1
- Chickasaw County1
- Howard County1
- Des Moines County1
- Henry County1
- Cherokee County1
- Plymouth County1
- Benton County1
1 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.