Alert archive / Montana / Yellowstone County / 2021
Weather alerts in Yellowstone County, Montana, July 2021
27 weather alerts in July 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 27
- Warnings
- 11
- Watches
- 5
- Advisories
- 0
- Busiest day
- July 6, 20216 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 |
|---|---|---|---|
| Jul 3, 7:30 PM MDT | Special Weather Statement | BYZ | 45 min |
| Jul 6, 2:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 6, 4:43 PM MDT | Severe Thunderstorm Warning | BYZ | 32 min |
| Jul 6, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 5:12 PM MDT | Severe Thunderstorm Warning | BYZ | 48 min |
| Jul 6, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Jul 6, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | 50 min |
| Jul 6, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Jul 6, 6:40 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jul 7, 2:03 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 7, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 7, 5:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 7, 6:35 PM MDT | Severe Thunderstorm Warning | BYZ | 55 min |
| Jul 7, 7:24 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jul 9, 2:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 9, 3:36 PM MDT | Special Weather Statement | BYZ | 39 min |
| Jul 13, 2:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 14, 12:51 PM MDT | Excessive Heat Watch | BYZ | 46 hr |
| Jul 16, 11:06 AM MDT | Excessive Heat Warning | BYZ | 6 days |
| Jul 16, 4:28 PM MDT | Special Weather Statement | BYZ | 47 min |
| Jul 16, 4:49 PM MDT | Severe Thunderstorm Warning | BYZ | 41 min |
| Jul 16, 6:22 PM MDT | Special Weather Statement | BYZ | 38 min |
| Jul 18, 2:06 AM MDT | Fire Weather Watch | BYZ | 13 hr |
| Jul 18, 3:10 PM MDT | Red Flag Warning | BYZ | 57 hr |
| Jul 21, 5:11 PM MDT | Special Weather Statement | BYZ | 49 min |
| Jul 24, 12:18 PM MDT | Excessive Heat Watch | BYZ | 25 hr |
| Jul 25, 1:39 PM MDT | Excessive Heat Warning | BYZ | 58 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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.