Alert archive / Iowa / Polk County
Weather alerts in Polk County, Iowa, 1986
19 weather alerts in 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Polk County and its neighbors
Each county as a circle sized by its count in 1986. Tap one for its archive.
- Alerts
- 19
- Warnings
- 19
- Watches
- 0
- Advisories
- 0
- Busiest month
- May8 alerts
- Busiest day
- May 10, 19866 alerts
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 | Lasted |
|---|---|---|---|
| May 8, 4:44 PM CDT | Tornado Warning | DMX | 36 min |
| May 9, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | 29 min |
| May 9, 7:09 PM CDT | Severe Thunderstorm Warning | DMX | 21 min |
| May 9, 7:15 PM CDT | Tornado Warning | DMX | 30 min |
| May 9, 7:45 PM CDT | Tornado Warning | DMX | 30 min |
| May 9, 8:16 PM CDT | Tornado Warning | DMX | 44 min |
| May 9, 8:29 PM CDT | Flash Flood Warning | DMX | 3 hr |
| May 9, 9:02 PM CDT | Tornado Warning | DMX | 28 min |
| Jun 29, 5:14 AM CDT | Severe Thunderstorm Warning | DMX | 46 min |
| Jun 29, 10:25 PM CDT | Flash Flood Warning | DMX | 6 hr |
| Jun 29, 11:50 PM CDT | Tornado Warning | DMX | 25 min |
| Jun 30, 3:45 AM CDT | Flash Flood Warning | DMX | 6 hr |
| Jul 24, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | 27 min |
| Jul 27, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | 44 min |
| Jul 28, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | 46 min |
| Jul 28, 10:27 PM CDT | Tornado Warning | DMX | 53 min |
| Aug 13, 12:13 PM CDT | Flash Flood Warning | DMX | 3 hr |
| Sep 28, 8:34 PM CDT | Severe Thunderstorm Warning | DMX | 26 min |
| Sep 28, 8:51 PM CDT | Tornado Warning | DMX | 29 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 | 7 |
| Tornado Warning | 8 |
| Flooding | |
| Flash Flood Warning | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive1987
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.