Alert archive / Colorado / Summit County
Weather alerts in Summit County, Colorado, 2021
61 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Summit County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 61
- Warnings
- 19
- Watches
- 21
- Advisories
- 15
- Busiest month
- December15 alerts
- Busiest day
- June 21, 20213 alerts
Over time
By month
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 |
|---|---|---|---|
| Feb 2, 3:09 AM MST | Winter Weather Advisory | BOU | 53 hr |
| Feb 3, 3:27 PM MST | Winter Storm Warning | BOU | 17 hr |
| Feb 4, 2:39 PM MST | Winter Weather Advisory | BOU | 38 hr |
| Feb 6, 3:47 AM MST | High Wind Watch | BOU | 8 hr |
| Feb 6, 11:18 AM MST | High Wind Warning | BOU | 30 hr |
| Feb 12, 8:46 PM MST | Winter Weather Advisory | BOU | 40 hr |
| Feb 19, 2:08 PM MST | Winter Weather Advisory | BOU | 39 hr |
| Mar 3, 2:40 PM MST | Winter Weather Advisory | BOU | 33 hr |
| Mar 10, 2:40 PM MST | Winter Storm Watch | BOU | 48 hr |
| Mar 11, 2:29 PM MST | Winter Storm Warning | BOU | 4 days |
| Mar 12, 2:17 PM MST | Winter Weather Advisory | BOU | 63 hr |
| Mar 13, 12:22 PM MST | Mesoscale Discussion | SPC | 4 hr |
| Mar 20, 2:11 PM MDT | Winter Storm Warning | BOU | 44 hr |
| Mar 28, 2:08 PM MDT | High Wind Watch | BOU | 19 hr |
| Mar 28, 8:44 PM MDT | High Wind Warning | BOU | 19 hr |
| Apr 13, 2:55 AM MDT | Winter Weather Advisory | BOU | 27 hr |
| Apr 14, 3:03 PM MDT | Winter Weather Advisory | BOU | 45 hr |
| Apr 18, 1:56 PM MDT | Winter Weather Advisory | BOU | 37 hr |
| Apr 26, 3:10 PM MDT | Winter Storm Watch | BOU | 12 hr |
| Apr 27, 3:16 AM MDT | Winter Storm Warning | BOU | 30 hr |
| May 1, 3:56 AM MDT | Winter Storm Watch | BOU | 24 hr |
| May 2, 3:42 AM MDT | Winter Storm Warning | BOU | 34 hr |
| May 9, 3:40 AM MDT | Winter Storm Watch | BOU | 11 hr |
| May 9, 2:19 PM MDT | Winter Storm Warning | BOU | 52 hr |
| May 30, 12:53 PM MDT | Special Weather Statement | BOU | 52 min |
| Jun 19, 11:54 AM MDT | Fire Weather Watch | BOU | 15 hr |
| Jun 20, 3:13 AM MDT | Red Flag Warning | BOU | 16 hr |
| Jun 21, 5:10 AM MDT | Fire Weather Watch | BOU | 9 hr |
| Jun 21, 2:18 PM MDT | Fire Weather Watch | BOU | 38 hr |
| Jun 21, 2:18 PM MDT | Red Flag Warning | BOU | 29 hr |
| Jun 23, 4:05 AM MDT | Red Flag Warning | BOU | 15 hr |
| Jul 5, 3:13 AM MDT | Flash Flood Watch | BOU | 21 hr |
| Jul 22, 2:15 PM MDT | Flash Flood Watch | BOU | 30 hr |
| Jul 23, 2:50 PM MDT | Special Weather Statement | BOU | 25 min |
| Jul 28, 5:23 PM MDT | Special Weather Statement | BOU | 37 min |
| Jul 29, 2:03 PM MDT | Flash Flood Watch | BOU | 55 hr |
| Aug 1, 2:04 PM MDT | Flash Flood Watch | BOU | 32 hr |
| Aug 3, 3:41 AM MDT | Flash Flood Watch | BOU | 18 hr |
| Aug 13, 5:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 7:15 PM MDT | Special Weather Statement | BOU | 30 min |
| Aug 23, 1:05 PM MDT | Fire Weather Watch | BOU | 14 hr |
| Aug 23, 2:52 PM MDT | Fire Weather Watch | BOU | 37 hr |
| Sep 15, 2:31 PM MDT | Fire Weather Watch | BOU | 37 hr |
| Sep 15, 2:31 PM MDT | Red Flag Warning | BOU | 28 hr |
| Nov 1, 9:09 AM MDT | Winter Weather Advisory | BOU | 36 hr |
| Nov 22, 2:40 PM MST | Red Flag Warning | BOU | 26 hr |
| 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 |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Watch | 5 |
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 15 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 4 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
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.