Alert archive / Nebraska / Sioux County / 2011
Weather alerts in Sioux County, Nebraska, May 2011
11 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
- 11
- Warnings
- 4
- Watches
- 3
- Advisories
- 2
- Busiest day
- May 10, 20115 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 9, 2:26 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 9, 4:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 9, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| May 9, 6:55 PM MDT | Tornado Warning | CYS | 35 min |
| May 9, 7:32 PM MDT | Tornado Warning | CYS | 43 min |
| May 9, 7:53 PM MDT | Tornado Warning | CYS | 28 min |
| May 9, 8:16 PM MDT | Mesoscale Discussion | SPC | 29 min |
| May 12, 1:05 AM MDT | Wind Advisory | CYS | 14 hr |
| May 17, 3:26 PM MDT | Flood Watch | CYS | 64 hr |
| May 23, 3:01 PM MDT | Flash Flood Watch | CYS | 38 hr |
| May 29, 4:48 PM MDT | Dense Fog Advisory | CYS | 16 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 | 1 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 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. Rebuilt daily.