Alert archive / Iowa / Sioux County / 2011
Weather alerts in Sioux County, Iowa, June 2011
20 weather alerts in June 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 13
- Watches
- 3
- Advisories
- 1
- Busiest day
- June 21, 20116 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 |
|---|---|---|---|
| Jun 1, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | 29 min |
| Jun 1, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | 29 min |
| Jun 1, 6:08 PM CDT | Severe Thunderstorm Warning | FSD | 37 min |
| Jun 9, 5:09 PM CDT | Severe Thunderstorm Warning | FSD | 36 min |
| Jun 14, 7:58 PM CDT | River Flood Warning | FSD | 17 days |
| Jun 17, 6:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 17, 7:09 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 19, 3:40 AM CDT | Flash Flood Watch | FSD | 55 hr |
| Jun 20, 6:53 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 20, 9:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 20, 9:18 PM CDT | Flash Flood Warning | FSD | 2 hr |
| Jun 20, 9:34 PM CDT | Severe Thunderstorm Warning | FSD | 41 min |
| Jun 20, 9:39 PM CDT | Flash Flood Warning | FSD | 3 hr |
| Jun 20, 10:14 PM CDT | Severe Thunderstorm Warning | FSD | 46 min |
| Jun 21, 6:34 AM CDT | River Flood Warning | FSD | 30 hr |
| Jun 26, 6:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 26, 7:56 PM CDT | Flash Flood Warning | FSD | 3 hr |
| Jun 26, 8:58 PM CDT | High Wind Warning | FSD | 4 hr |
| Jun 26, 10:54 PM CDT | Areal Flood Warning | FSD | 36 hr |
| Jun 29, 3:18 PM CDT | Heat Advisory | FSD | 28 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 | 6 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| River Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Heat | |
| Heat Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.