Alert archive / Iowa / Union County / 2011
Weather alerts in Union County, Iowa, May 2011
21 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 7
- Watches
- 4
- Advisories
- 5
- Busiest day
- May 11, 20117 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 | Lasted |
|---|---|---|---|
| May 1, 3:36 PM CDT | Frost Advisory | DMX | 16 hr |
| May 2, 3:48 PM CDT | Frost Advisory | DMX | 15 hr |
| May 3, 4:05 PM CDT | Frost Advisory | DMX | 15 hr |
| May 11, 2:53 PM CDT | Tornado Watch | SPC | 6 hr |
| May 11, 4:50 PM CDT | Tornado Warning | DMX | 40 min |
| May 11, 5:32 PM CDT | Severe Thunderstorm Warning | DMX | 43 min |
| May 11, 5:42 PM CDT | Tornado Warning | DMX | 33 min |
| May 11, 6:03 PM CDT | Flash Flood Warning | DMX | 6 hr |
| May 11, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | 54 min |
| May 11, 6:17 PM CDT | Mesoscale Discussion | SPC | 28 min |
| May 12, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 12, 10:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 21, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| May 21, 5:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 21, 6:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 21, 8:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 24, 9:45 PM CDT | Flash Flood Watch | DMX | 24 hr |
| May 25, 12:38 AM CDT | Flash Flood Warning | DMX | 6 hr |
| May 25, 4:22 AM CDT | Wind Advisory | DMX | 17 hr |
| May 29, 8:48 AM CDT | Severe Thunderstorm Warning | DMX | 42 min |
| May 30, 3:41 AM CDT | Wind Advisory | DMX | 15 hr |
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 | 3 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 5 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Cold | |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.