Alert archive / Nebraska / Sioux County
Weather alerts in Sioux County, Nebraska, 1999
27 weather alerts in 1999, 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 1999. Tap one for its archive.
- Alerts
- 27
- Warnings
- 17
- Watches
- 10
- Advisories
- 0
- Busiest month
- June20 alerts
- Busiest day
- June 4, 19995 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 21, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 21, 4:24 PM MDT | Severe Thunderstorm Warning | CYS | 31 min |
| Jun 2, 8:03 PM MDT | Severe Thunderstorm Warning | CYS | 17 min |
| Jun 4, 3:00 PM MDT | Tornado Watch | SPC | 5 hr |
| Jun 4, 4:17 PM MDT | Severe Thunderstorm Warning | CYS | 28 min |
| Jun 4, 4:46 PM MDT | Severe Thunderstorm Warning | CYS | 19 min |
| Jun 4, 5:07 PM MDT | Severe Thunderstorm Warning | CYS | 13 min |
| Jun 4, 5:15 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 5, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 10, 7:00 PM MDT | Tornado Warning | CYS | 15 min |
| Jun 10, 7:29 PM MDT | Tornado Warning | CYS | 16 min |
| Jun 10, 7:46 PM MDT | Tornado Warning | CYS | 29 min |
| Jun 10, 8:20 PM MDT | Tornado Warning | CYS | 30 min |
| Jun 12, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 4:48 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jun 14, 4:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 19, 3:15 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 22, 2:29 PM MDT | Severe Thunderstorm Warning | CYS | 66 min |
| Jun 22, 3:22 PM MDT | Severe Thunderstorm Warning | CYS | 48 min |
| Jun 26, 3:30 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 27, 2:30 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 27, 4:42 PM MDT | Tornado Warning | CYS | 33 min |
| Jul 2, 7:45 PM MDT | Tornado Warning | CYS | 30 min |
| Sep 1, 3:45 PM MDT | Severe Thunderstorm Warning | CYS | 65 min |
| Sep 3, 4:15 PM MDT | Tornado Watch | SPC | 6 hr |
| Sep 3, 6:14 PM MDT | Severe Thunderstorm Warning | CYS | 61 min |
| Sep 3, 6:35 PM MDT | Tornado Warning | CYS | 35 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 | 10 |
| Tornado Warning | 7 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.