Alert archive / Nebraska / Sioux County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Sioux County, Nebraska, 1991
31 severe thunderstorm warnings in 1991. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.
Sioux County and its neighbors
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Severe Thunderstorm Warnings
- 31
- Busiest month
- May18 severe thunderstorm warnings
- Busiest day
- May 11, 19917 severe thunderstorm warnings
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, 6:33 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 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 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 |
| 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 |
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.