Alert archive / Montana / Yellowstone County / 2021
Weather alerts in Yellowstone County, Montana, August 2021
15 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 4
- Watches
- 3
- Advisories
- 1
- Busiest day
- August 16, 20214 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 |
|---|---|---|---|
| Aug 3, 3:14 PM MDT | Special Weather Statement | BYZ | 46 min |
| Aug 7, 3:06 AM MDT | Fire Weather Watch | BYZ | 11 hr |
| Aug 7, 2:26 PM MDT | Red Flag Warning | BYZ | 34 hr |
| Aug 9, 2:58 AM MDT | Fire Weather Watch | BYZ | 10 hr |
| Aug 9, 12:55 PM MDT | Red Flag Warning | BYZ | 57 hr |
| Aug 14, 3:08 AM MDT | Fire Weather Watch | BYZ | 11 hr |
| Aug 14, 2:07 PM MDT | Red Flag Warning | BYZ | 3 days |
| Aug 15, 1:30 PM MDT | Heat Advisory | BYZ | 55 hr |
| Aug 16, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Aug 16, 4:34 PM MDT | Special Weather Statement | BYZ | 41 min |
| Aug 16, 4:56 PM MDT | Severe Thunderstorm Warning | BYZ | 50 min |
| Aug 16, 5:45 PM MDT | Special Weather Statement | BYZ | 45 min |
| Aug 17, 2:21 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Aug 26, 2:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Aug 27, 2:48 PM MDT | Special Weather Statement | BYZ | 42 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 | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 4 |
| Heat | |
| Heat Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 3 |
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.