Alert archive / Iowa / 1986
Weather alerts in Iowa, May 1986
47 weather alerts in May 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in May 1986. Tap one for its archive.
- Alerts
- 47
- Warnings
- 47
- Watches
- 0
- Advisories
- 0
- Busiest day
- May 12, 198614 alerts
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 30, 7:59 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 56 min |
| May 6, 12:12 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 18 min |
| May 8, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 45 min |
| May 8, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 45 min |
| May 8, 3:48 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 42 min |
| May 8, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 44 min |
| May 8, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 28 min |
| May 8, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 32 min |
| May 8, 4:44 PM CDT | Tornado Warning | DMX | Polk | 36 min |
| May 8, 5:04 PM CDT | Tornado Warning | DMX | Jasper | 16 min |
| May 8, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Lee | 30 min |
| May 8, 6:07 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 43 min |
| May 9, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 29 min |
| May 9, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 28 min |
| May 9, 7:09 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 21 min |
| May 9, 7:15 PM CDT | Tornado Warning | DMX | Dallas, Polk | 30 min |
| May 9, 7:45 PM CDT | Tornado Warning | DMX | Dallas, Polk | 30 min |
| May 9, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 37 min |
| May 9, 7:58 PM CDT | Tornado Warning | DMX | Webster | 32 min |
| May 9, 8:16 PM CDT | Tornado Warning | DMX | Dallas, Polk | 44 min |
| May 9, 8:29 PM CDT | Flash Flood Warning | DMX | Dallas, Polk | 3 hr |
| May 9, 8:47 PM CDT | Tornado Warning | DMX | Boone | 43 min |
| May 9, 9:02 PM CDT | Tornado Warning | DMX | Dallas, Polk | 28 min |
| May 9, 10:08 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 22 min |
| May 10, 1:22 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 53 min |
| May 10, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 60 min |
| May 12, 4:18 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 57 min |
| May 12, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 40 min |
| May 12, 5:07 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 68 min |
| May 12, 5:15 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 30 min |
| May 12, 5:15 PM CDT | Tornado Warning | OAX | Pottawattamie | 30 min |
| May 12, 5:36 PM CDT | Tornado Warning | OAX | Mills | 39 min |
| May 12, 5:50 PM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 40 min |
| May 12, 5:50 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 55 min |
| May 12, 6:05 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 55 min |
| May 12, 6:10 PM CDT | Tornado Warning | OAX | Harrison | 35 min |
| May 12, 6:30 PM CDT | Tornado Warning | OAX | Mills | 30 min |
| May 12, 6:31 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista, Clay | 24 min |
| May 12, 6:45 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 60 min |
| May 12, 6:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 61 min |
| May 12, 7:10 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 65 min |
| May 12, 7:20 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 23 min |
| May 12, 7:31 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 59 min |
| May 12, 7:36 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 69 min |
| May 12, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 52 min |
| May 12, 9:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 50 min |
| May 13, 12:36 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Wapello | 39 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 34 |
| Tornado Warning | 12 |
| Flooding | |
| Flash Flood Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Polk County8
- Dallas County6
- Pottawattamie County5
- Mills County5
- Harrison County4
- Clay County3
- Dickinson County3
- Lee County2
- Warren County2
- Webster County2
- Taylor County2
- Appanoose County1
- Davis County1
- Decatur County1
- Wayne County1
- Lucas County1
- Monroe County1
- Marion County1
- Madison County1
- Jasper County1
- Henry County1
- Lyon County1
- Boone County1
- Ringgold County1
- Osceola County1
- Buena Vista County1
- Fremont County1
- Crawford County1
- Montgomery County1
- Page County1
- Calhoun County1
- Pocahontas County1
- Jefferson County1
- Wapello 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. Rebuilt daily.