Alert archive / Wyoming / Niobrara County / 2021
Weather alerts in Niobrara County, Wyoming, May 2021
17 weather alerts in May 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 17
- Warnings
- 4
- Watches
- 2
- Advisories
- 1
- Busiest day
- May 26, 20215 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 1, 6:29 PM MDT | Special Weather Statement | CYS | 46 min |
| May 13, 3:56 PM MDT | Special Weather Statement | CYS | 49 min |
| May 20, 12:58 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 20, 7:27 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| May 23, 10:53 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 12:06 PM MDT | Tornado Watch | SPC | 8 hr |
| May 23, 1:59 PM MDT | Severe Thunderstorm Warning | CYS | 19 min |
| May 23, 5:25 PM MDT | Mesoscale Discussion | SPC | 95 min |
| May 26, 11:45 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 26, 4:14 PM MDT | Special Weather Statement | CYS | 46 min |
| May 26, 4:30 PM MDT | Severe Thunderstorm Warning | CYS | 25 min |
| May 26, 5:02 PM MDT | Special Weather Statement | CYS | 28 min |
| May 28, 6:58 PM MDT | Special Weather Statement | CYS | 47 min |
| May 28, 8:44 PM MDT | Special Weather Statement | CYS | 46 min |
| May 28, 9:05 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| May 28, 9:15 PM MDT | Areal Flood Advisory | CYS | 72 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 | 4 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 6 |
| Flooding | |
| Areal Flood Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.