Alert archive / Colorado / Summit County / 2021
Weather alerts in Summit County, Colorado, December 2021
15 weather alerts in December 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 6
- Watches
- 4
- Advisories
- 5
- Busiest day
- December 4, 20212 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 |
|---|---|---|---|
| Dec 4, 2:49 AM MST | High Wind Watch | BOU | 12 hr |
| Dec 4, 2:41 PM MST | High Wind Warning | BOU | 20 hr |
| Dec 8, 11:25 AM MST | Winter Weather Advisory | BOU | 54 hr |
| Dec 10, 4:05 AM MST | High Wind Watch | BOU | 10 hr |
| Dec 10, 1:56 PM MST | High Wind Warning | BOU | 37 hr |
| Dec 14, 11:54 AM MST | Winter Weather Advisory | BOU | 32 hr |
| Dec 15, 6:03 AM MST | Snow Squall Warning | BOU | 57 min |
| Dec 15, 6:49 AM MST | Snow Squall Warning | BOU | 56 min |
| Dec 22, 2:33 PM MST | Winter Storm Warning | BOU | 68 hr |
| Dec 22, 2:33 PM MST | Winter Weather Advisory | BOU | 66 hr |
| Dec 25, 3:46 AM MST | Winter Storm Watch | BOU | 10 hr |
| Dec 25, 1:48 PM MST | Winter Weather Advisory | BOU | 66 hr |
| Dec 28, 1:59 PM MST | Winter Storm Watch | BOU | 23 hr |
| Dec 29, 1:18 PM MST | Winter Storm Warning | BOU | 70 hr |
| Dec 30, 3:00 AM MST | Winter Weather Advisory | BOU | 11 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
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. Rebuilt daily.