Alert archive / South Dakota / Union County
Weather alerts in Union County, South Dakota, 2001
31 weather alerts in 2001, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2001. Tap one for its archive.
- Alerts
- 31
- Warnings
- 20
- Watches
- 11
- Advisories
- 0
- Busiest month
- June11 alerts
- Busiest day
- April 21, 20015 alerts
Over time
By month
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 |
|---|---|---|---|
| Apr 6, 5:50 PM CDT | Severe Thunderstorm Warning | FSD | 15 min |
| Apr 7, 1:45 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 7, 2:11 AM CDT | Severe Thunderstorm Warning | FSD | 34 min |
| Apr 11, 2:28 PM CDT | Tornado Warning | FSD | 32 min |
| Apr 20, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | 31 min |
| Apr 20, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 20, 8:28 PM CDT | Severe Thunderstorm Warning | FSD | 32 min |
| Apr 20, 9:04 PM CDT | Tornado Warning | FSD | 26 min |
| Apr 20, 9:30 PM CDT | Tornado Warning | FSD | 30 min |
| Apr 30, 5:32 PM CDT | Severe Thunderstorm Warning | FSD | 28 min |
| Jun 9, 5:37 PM CDT | Severe Thunderstorm Warning | FSD | 38 min |
| Jun 10, 1:33 AM CDT | Severe Thunderstorm Warning | FSD | 27 min |
| Jun 12, 6:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 13, 12:00 AM CDT | Tornado Watch | SPC | 5 hr |
| Jun 13, 6:11 PM CDT | Severe Thunderstorm Warning | FSD | 49 min |
| Jun 13, 6:15 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 13, 6:59 PM CDT | Severe Thunderstorm Warning | FSD | 31 min |
| Jun 13, 7:10 PM CDT | Severe Thunderstorm Warning | FSD | 35 min |
| Jun 13, 7:43 PM CDT | Severe Thunderstorm Warning | FSD | 32 min |
| Jun 13, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | 31 min |
| Jun 17, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 2, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 7, 8:09 AM CDT | Severe Thunderstorm Warning | FSD | 41 min |
| Jul 16, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 2, 7:29 AM CDT | Severe Thunderstorm Warning | FSD | 31 min |
| Aug 17, 4:43 PM CDT | Severe Thunderstorm Warning | FSD | 32 min |
| Aug 17, 5:12 PM CDT | Severe Thunderstorm Warning | FSD | 33 min |
| Aug 17, 5:28 PM CDT | Tornado Warning | FSD | 32 min |
| Aug 17, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 29, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 7, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 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 | 16 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20002002
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.