Alert archive / Iowa / Severe Thunderstorm Warnings / 1986
Severe Thunderstorm Warnings in Iowa, April 1986
32 severe thunderstorm warnings in April 1986. 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 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 32
- Busiest day
- April 30, 198610 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 4, 6:42 PM CST | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 48 min |
| Apr 4, 7:19 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Greene | 41 min |
| Apr 4, 7:40 PM CST | Severe Thunderstorm Warning | DMX | Webster | 25 min |
| Apr 24, 10:37 PM CST | Severe Thunderstorm Warning | DMX | Madison, Warren | 33 min |
| Apr 24, 11:07 PM CST | Severe Thunderstorm Warning | DMX | Warren | 38 min |
| Apr 24, 11:39 PM CST | Severe Thunderstorm Warning | DMX | Marion | 36 min |
| Apr 25, 1:17 AM CST | Severe Thunderstorm Warning | DMX | Keokuk, Mahaska, Wapello | 58 min |
| Apr 25, 4:24 PM CST | Severe Thunderstorm Warning | DMX | Floyd | 41 min |
| Apr 25, 4:42 PM CST | Severe Thunderstorm Warning | DMX | Allamakee | 53 min |
| Apr 26, 6:23 PM CST | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 67 min |
| Apr 26, 7:58 PM CST | Severe Thunderstorm Warning | FSD | Osceola | 62 min |
| Apr 26, 8:01 PM CST | Severe Thunderstorm Warning | FSD | Monona | 59 min |
| Apr 26, 8:12 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 33 min |
| Apr 26, 8:41 PM CST | Severe Thunderstorm Warning | DMX | Sac | 34 min |
| Apr 26, 8:45 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 25 min |
| Apr 26, 9:15 PM CST | Severe Thunderstorm Warning | DMX | Sac | 30 min |
| Apr 26, 9:45 PM CST | Severe Thunderstorm Warning | DMX | Sac | 45 min |
| Apr 29, 3:33 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 27 min |
| Apr 29, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 39 min |
| Apr 29, 5:23 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 37 min |
| Apr 29, 6:08 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Iowa | 32 min |
| Apr 29, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 35 min |
| Apr 29, 7:00 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 35 min |
| Apr 29, 10:45 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 30 min |
| Apr 29, 10:56 PM CDT | Severe Thunderstorm Warning | DMX | Iowa, Poweshiek | 44 min |
| Apr 30, 1:02 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Union | 53 min |
| Apr 30, 7:06 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 59 min |
| Apr 30, 7:59 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 56 min |
| Apr 30, 8:03 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 27 min |
| Apr 30, 8:20 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 40 min |
| Apr 30, 8:20 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 20 min |
| Apr 30, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 24 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Greene County3
- Guthrie County3
- Sac County3
- Warren County2
- Crawford County2
- Iowa County2
- Harrison County2
- Calhoun County1
- Webster County1
- Madison County1
- Marion County1
- Keokuk County1
- Mahaska County1
- Wapello County1
- Floyd County1
- Allamakee County1
- Lyon County1
- Sioux County1
- Osceola County1
- Monona County1
- Marshall County1
- Tama County1
- Benton County1
- Linn County1
- Jones County1
- Montgomery County1
- Poweshiek County1
- Adams County1
- Union County1
- Audubon County1
- Carroll County1
- Dallas County1
Nearby
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.