Alert archive / Colorado / Boulder County
Weather alerts in Boulder County, Colorado, 2017
113 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Boulder County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 113
- Warnings
- 40
- Watches
- 33
- Advisories
- 29
- Busiest month
- March26 alerts
- Busiest day
- January 8, 20174 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 |
|---|---|---|---|
| Jan 2, 3:24 AM MST | Winter Weather Advisory | BOU | 39 hr |
| Jan 3, 5:08 AM MST | Winter Storm Watch | BOU | 10 hr |
| Jan 3, 5:08 AM MST | Winter Storm Warning | BOU | 54 hr |
| Jan 3, 3:08 PM MST | Winter Storm Watch | BOU | 14 hr |
| Jan 5, 11:10 AM MST | Winter Storm Warning | BOU | 4 hr |
| Jan 5, 3:19 PM MST | Winter Weather Advisory | BOU | 6 hr |
| Jan 7, 3:11 PM MST | Winter Storm Watch | BOU | 20 hr |
| Jan 7, 3:22 PM MST | High Wind Watch | BOU | 20 hr |
| Jan 8, 5:49 AM MST | Winter Weather Advisory | BOU | 5 hr |
| Jan 8, 11:14 AM MST | Winter Storm Warning | BOU | 42 hr |
| Jan 8, 11:24 AM MST | High Wind Watch | BOU | 9 hr |
| Jan 8, 11:24 AM MST | High Wind Warning | BOU | 28 hr |
| Jan 10, 4:29 AM MST | High Wind Watch | BOU | 5 hr |
| Jan 10, 4:53 AM MST | Winter Weather Advisory | BOU | 19 hr |
| Jan 10, 9:38 AM MST | High Wind Warning | BOU | 19 hr |
| Jan 10, 11:53 AM MST | Winter Storm Warning | BOU | 36 hr |
| Jan 12, 3:26 PM MST | Winter Weather Advisory | BOU | 3 hr |
| Jan 24, 11:45 AM MST | Freezing Fog Advisory | BOU | 2 hr |
| Feb 1, 1:44 PM MST | Winter Weather Advisory | BOU | 19 hr |
| Feb 3, 3:14 PM MST | Winter Weather Advisory | BOU | 18 hr |
| Feb 4, 3:16 PM MST | Winter Storm Watch | BOU | 38 hr |
| Feb 6, 4:58 AM MST | Winter Storm Warning | BOU | 55 hr |
| Feb 10, 2:22 AM MST | High Wind Warning | BOU | 9 hr |
| Feb 20, 3:49 AM MST | Fire Weather Watch | BOU | 11 hr |
| Feb 20, 2:28 PM MST | Red Flag Warning | BOU | 28 hr |
| Feb 21, 2:25 PM MST | Winter Storm Watch | BOU | 24 hr |
| Feb 22, 2:20 PM MST | Winter Weather Advisory | BOU | 39 hr |
| Feb 27, 8:46 PM MST | Winter Weather Advisory | BOU | 20 hr |
| Mar 4, 3:26 PM MST | Fire Weather Watch | BOU | 13 hr |
| Mar 4, 3:26 PM MST | Red Flag Warning | BOU | 28 hr |
| Mar 5, 4:02 AM MST | Red Flag Warning | BOU | 38 hr |
| Mar 5, 4:02 AM MST | High Wind Watch | BOU | 10 hr |
| Mar 5, 9:47 AM MST | Winter Weather Advisory | BOU | 32 hr |
| Mar 5, 2:28 PM MST | High Wind Warning | BOU | 29 hr |
| Mar 6, 4:16 AM MST | High Wind Watch | BOU | 11 hr |
| Mar 6, 5:44 AM MST | Fire Weather Watch | BOU | 10 hr |
| Mar 6, 3:33 PM MST | High Wind Warning | BOU | 25 hr |
| Mar 6, 3:35 PM MST | Red Flag Warning | BOU | 25 hr |
| Mar 8, 12:43 AM MST | High Wind Warning | BOU | 10 hr |
| Mar 9, 3:12 AM MST | Red Flag Warning | BOU | 15 hr |
| Mar 11, 4:29 AM MST | Fire Weather Watch | BOU | 8 hr |
| Mar 11, 12:56 PM MST | Red Flag Warning | BOU | 28 hr |
| Mar 15, 2:15 PM MDT | Fire Weather Watch | BOU | 17 hr |
| Mar 15, 9:29 PM MDT | Red Flag Warning | BOU | 22 hr |
| Mar 17, 4:49 PM MDT | Fire Weather Watch | BOU | 35 hr |
| Mar 18, 3:49 AM MDT | Red Flag Warning | BOU | 39 hr |
| Mar 20, 5:24 AM MDT | Red Flag Warning | BOU | 12 hr |
| Mar 22, 10:47 AM MDT | Red Flag Warning | BOU | 31 hr |
| Mar 22, 3:58 PM MDT | Winter Storm Watch | BOU | 24 hr |
| Mar 23, 5:00 AM MDT | Winter Weather Advisory | BOU | 29 hr |
| Mar 28, 6:04 AM MDT | Winter Weather Advisory | BOU | 22 hr |
| Mar 30, 9:36 AM MDT | Winter Storm Watch | BOU | 24 hr |
| Mar 31, 4:37 AM MDT | Winter Storm Warning | BOU | 23 hr |
| Mar 31, 4:37 AM MDT | Winter Weather Advisory | BOU | 29 hr |
| Apr 2, 2:52 PM MDT | Winter Storm Watch | BOU | 13 hr |
| Apr 3, 4:10 AM MDT | Winter Weather Advisory | BOU | 44 hr |
| Apr 9, 4:40 AM MDT | High Wind Watch | BOU | 5 hr |
| Apr 9, 9:39 AM MDT | High Wind Warning | BOU | 12 hr |
| Apr 20, 3:52 AM MDT | Winter Weather Advisory | BOU | 29 hr |
| Apr 26, 4:17 AM MDT | Winter Weather Advisory | BOU | 38 hr |
| Apr 27, 4:46 AM MDT | Winter Storm Watch | BOU | 24 hr |
| Apr 28, 4:49 AM MDT | Winter Storm Warning | BOU | 37 hr |
| Apr 28, 4:49 AM MDT | Winter Weather Advisory | BOU | 24 hr |
| Apr 29, 3:25 PM MDT | Freeze Warning | BOU | 17 hr |
| May 3, 4:17 AM MDT | Frost Advisory | BOU | 27 hr |
| May 8, 12:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| May 8, 12:35 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 8, 2:45 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| May 8, 2:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| May 16, 4:27 PM MDT | Winter Storm Watch | BOU | 19 hr |
| May 17, 4:41 AM MDT | Winter Storm Warning | BOU | 53 hr |
| May 17, 11:40 AM MDT | Winter Storm Watch | BOU | 23 hr |
| May 19, 4:01 AM MDT | Freeze Warning | BOU | 28 hr |
| May 26, 11:43 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 1:00 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 26, 2:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 7, 2:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 3:36 PM MDT | Special Weather Statement | BOU | 24 min |
| Jun 22, 12:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 3:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 26, 7:26 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 4, 7:11 PM MDT | Special Weather Statement | BOU | 49 min |
| Aug 4, 7:23 PM MDT | Special Weather Statement | BOU | 37 min |
| Aug 4, 7:40 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Aug 4, 7:43 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Aug 5, 6:59 PM MDT | Special Weather Statement | BOU | 31 min |
| Sep 18, 3:22 AM MDT | Fire Weather Watch | BOU | 7 hr |
| Sep 18, 10:47 AM MDT | Fire Weather Watch | BOU | 16 hr |
| Sep 18, 10:47 AM MDT | Red Flag Warning | BOU | 33 hr |
| Sep 30, 3:07 PM MDT | Winter Storm Watch | BOU | 20 hr |
| Oct 1, 3:20 AM MDT | Winter Storm Warning | BOU | 45 hr |
| Oct 1, 3:20 AM MDT | Winter Weather Advisory | BOU | 45 hr |
| Oct 2, 8:14 PM MDT | Frost Advisory | BOU | 13 hr |
| Oct 7, 4:53 AM MDT | Winter Storm Watch | BOU | 23 hr |
| Oct 8, 4:14 AM MDT | Winter Storm Warning | BOU | 35 hr |
| Oct 8, 4:18 AM MDT | Freeze Warning | BOU | 54 hr |
| Oct 28, 9:20 AM MDT | Winter Weather Advisory | BOU | 4 hr |
| Oct 31, 4:41 AM MDT | High Wind Watch | BOU | 6 hr |
| Oct 31, 11:06 AM MDT | High Wind Warning | BOU | 33 hr |
| Nov 3, 2:12 PM MDT | Winter Storm Watch | BOU | 15 hr |
| Nov 4, 4:46 AM MDT | Winter Storm Warning | BOU | 48 hr |
| Nov 6, 6:37 AM MST | Dense Fog Advisory | BOU | 3 hr |
| Nov 6, 2:35 PM MST | Winter Weather Advisory | BOU | 19 hr |
| Nov 15, 3:20 PM MST | Winter Storm Watch | BOU | 24 hr |
| Nov 16, 4:32 AM MST | Winter Storm Warning | BOU | 47 hr |
| Dec 3, 3:25 AM MST | Winter Weather Advisory | BOU | 33 hr |
| Dec 20, 4:03 AM MST | Winter Weather Advisory | BOU | 38 hr |
| Dec 22, 5:05 AM MST | Winter Storm Warning | BOU | 42 hr |
| Dec 22, 5:05 AM MST | Winter Weather Advisory | BOU | 42 hr |
| Dec 24, 4:23 AM MST | Winter Storm Warning | BOU | 50 hr |
| Dec 24, 4:23 AM MST | Winter Weather Advisory | BOU | 50 hr |
| Dec 28, 2:30 AM MST | High Wind Watch | BOU | 8 hr |
| Dec 28, 10:07 AM MST | High Wind Warning | BOU | 29 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 | |
| Severe Thunderstorm Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 4 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 14 |
| Winter Storm Watch | 15 |
| Winter Weather Advisory | 24 |
| Cold | |
| Freeze Warning | 3 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 9 |
| High Wind Watch | 8 |
| Fire | |
| Red Flag Warning | 11 |
| Fire Weather Watch | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.