Alert archive / Nebraska / Sioux County
Weather alerts in Sioux County, Nebraska, 1991
39 weather alerts in 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sioux County and its neighbors
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Alerts
- 39
- Warnings
- 39
- Watches
- 0
- Advisories
- 0
- Busiest month
- May25 alerts
- Busiest day
- May 11, 19919 alerts
Over time
By month
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, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| May 9, 5:32 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| May 10, 2:21 PM MDT | Severe Thunderstorm Warning | CYS | 69 min |
| May 10, 3:35 PM MDT | Severe Thunderstorm Warning | CYS | 55 min |
| May 10, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| May 10, 5:31 PM MDT | Severe Thunderstorm Warning | CYS | 59 min |
| May 10, 6:03 PM MDT | Flash Flood Warning | CYS | 4 hr |
| May 10, 6:33 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| May 10, 7:34 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| May 10, 8:33 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| May 10, 9:35 PM MDT | Severe Thunderstorm Warning | CYS | 55 min |
| May 10, 9:58 PM MDT | Flash Flood Warning | CYS | 4 hr |
| May 11, 3:46 PM MDT | Severe Thunderstorm Warning | CYS | 59 min |
| May 11, 4:48 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| May 11, 5:41 PM MDT | Severe Thunderstorm Warning | CYS | 34 min |
| May 15, 7:47 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| May 15, 8:38 PM MDT | Flash Flood Warning | CYS | 5 hr |
| May 16, 12:57 AM MDT | Flash Flood Warning | CYS | 2 hr |
| May 16, 2:43 PM MDT | Flash Flood Warning | CYS | 3 hr |
| May 19, 7:57 PM MDT | Severe Thunderstorm Warning | CYS | 28 min |
| May 20, 4:09 PM MDT | Severe Thunderstorm Warning | CYS | 51 min |
| May 27, 6:21 PM MDT | Severe Thunderstorm Warning | CYS | 54 min |
| May 27, 7:16 PM MDT | Severe Thunderstorm Warning | CYS | 19 min |
| May 29, 9:09 PM MDT | Flash Flood Warning | CYS | 3 hr |
| May 30, 7:02 PM MDT | Tornado Warning | CYS | 28 min |
| Jun 3, 1:23 PM MDT | Tornado Warning | CYS | 37 min |
| Jun 5, 6:08 PM MDT | Severe Thunderstorm Warning | CYS | 52 min |
| Jun 9, 12:50 AM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 9, 6:59 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jun 27, 9:47 PM MDT | Severe Thunderstorm Warning | CYS | 58 min |
| Jun 27, 10:48 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| Jun 29, 12:30 AM MDT | Severe Thunderstorm Warning | CYS | 23 min |
| Jun 29, 6:40 PM MDT | Severe Thunderstorm Warning | CYS | 65 min |
| Jul 16, 5:18 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| Jul 17, 7:28 PM MDT | Severe Thunderstorm Warning | CYS | 30 min |
| Aug 6, 6:38 PM MDT | Severe Thunderstorm Warning | CYS | 67 min |
| Aug 10, 7:01 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Aug 11, 7:41 PM MDT | Severe Thunderstorm Warning | CYS | 64 min |
| Aug 11, 8:16 PM MDT | Severe Thunderstorm Warning | CYS | 44 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 | 31 |
| Tornado Warning | 2 |
| Flooding | |
| Flash Flood Warning | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19901992
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.