Alert archive / Colorado / Boulder County
Weather alerts in Boulder County, Colorado, 2016
118 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 118
- Warnings
- 35
- Watches
- 26
- Advisories
- 37
- Busiest month
- July19 alerts
- Busiest day
- July 24, 20163 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 7, 3:49 AM MST | Winter Weather Advisory | BOU | 34 hr |
| Jan 9, 8:13 PM MST | Dense Fog Advisory | BOU | 14 hr |
| Jan 15, 3:43 AM MST | Winter Weather Advisory | BOU | 27 hr |
| Jan 16, 4:02 AM MST | Winter Weather Advisory | BOU | 37 hr |
| Jan 20, 8:25 AM MST | Winter Weather Advisory | BOU | 12 hr |
| Jan 23, 1:40 PM MST | Winter Weather Advisory | BOU | 46 hr |
| Jan 28, 3:13 PM MST | Winter Storm Watch | BOU | 25 hr |
| Jan 29, 3:49 AM MST | Winter Storm Warning | BOU | 53 hr |
| Jan 30, 3:14 PM MST | Winter Storm Watch | BOU | 20 hr |
| Jan 31, 11:43 AM MST | Winter Storm Warning | BOU | 52 hr |
| Feb 13, 4:17 AM MST | Dense Fog Advisory | BOU | 5 hr |
| Feb 14, 4:18 AM MST | Winter Weather Advisory | BOU | 44 hr |
| Feb 14, 3:01 PM MST | High Wind Watch | BOU | 19 hr |
| Feb 15, 9:35 AM MST | High Wind Warning | BOU | 14 hr |
| Feb 17, 5:02 AM MST | High Wind Watch | BOU | 16 hr |
| Feb 17, 8:38 PM MST | High Wind Watch | BOU | 20 hr |
| Feb 17, 8:38 PM MST | High Wind Warning | BOU | 32 hr |
| Feb 21, 2:59 PM MST | Winter Weather Advisory | BOU | 44 hr |
| Mar 1, 3:44 AM MST | Fire Weather Watch | BOU | 11 hr |
| Mar 1, 2:41 PM MST | Red Flag Warning | BOU | 28 hr |
| Mar 13, 3:14 PM MDT | Winter Storm Warning | BOU | 39 hr |
| Mar 13, 3:14 PM MDT | Winter Weather Advisory | BOU | 39 hr |
| Mar 14, 2:32 AM MDT | Red Flag Warning | BOU | 16 hr |
| Mar 15, 11:13 AM MDT | Winter Weather Advisory | BOU | 22 hr |
| Mar 16, 1:57 PM MDT | Winter Weather Advisory | BOU | 52 hr |
| Mar 17, 3:55 AM MDT | Winter Weather Advisory | BOU | 31 hr |
| Mar 17, 10:57 AM MDT | Winter Storm Warning | BOU | 31 hr |
| Mar 22, 4:48 AM MDT | Winter Weather Advisory | BOU | 37 hr |
| Mar 22, 7:30 PM MDT | Winter Storm Warning | BOU | 23 hr |
| Mar 23, 4:33 AM MDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 24, 4:04 AM MDT | Dense Fog Advisory | BOU | 4 hr |
| Mar 28, 3:48 PM MDT | Winter Weather Advisory | BOU | 50 hr |
| Apr 13, 3:32 PM MDT | Winter Storm Watch | BOU | 15 hr |
| Apr 14, 6:04 AM MDT | Winter Storm Warning | BOU | 3 days |
| Apr 14, 1:06 PM MDT | Winter Storm Watch | BOU | 16 hr |
| Apr 15, 1:25 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 18, 4:27 AM MDT | Winter Weather Advisory | BOU | 23 hr |
| Apr 27, 10:58 AM MDT | Winter Storm Watch | BOU | 17 hr |
| Apr 28, 4:26 AM MDT | Winter Storm Warning | BOU | 36 hr |
| Apr 28, 12:43 PM MDT | Winter Weather Advisory | BOU | 32 hr |
| May 14, 9:26 AM MDT | Dense Fog Advisory | BOU | 3 hr |
| May 15, 8:17 PM MDT | Winter Weather Advisory | BOU | 32 hr |
| May 16, 3:32 AM MDT | Dense Fog Advisory | BOU | 6 hr |
| May 24, 11:31 AM MDT | Mesoscale Discussion | SPC | 59 min |
| May 26, 11:24 AM MDT | Winter Weather Advisory | BOU | 17 hr |
| Jun 6, 3:29 PM MDT | Special Weather Statement | BOU | 31 min |
| Jun 6, 3:57 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Jun 11, 2:30 PM MDT | Special Weather Statement | BOU | 30 min |
| Jun 13, 11:18 AM MDT | Mesoscale Discussion | SPC | 117 min |
| Jun 20, 2:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 9:31 PM MDT | Special Weather Statement | BOU | 29 min |
| Jun 27, 1:22 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 27, 4:00 PM MDT | Mesoscale Discussion | SPC | 60 min |
| Jun 27, 6:44 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 28, 6:01 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jun 30, 2:13 PM MDT | Flash Flood Watch | BOU | 10 hr |
| Jul 1, 9:57 AM MDT | Flash Flood Watch | BOU | 11 hr |
| Jul 9, 4:13 PM MDT | Fire Weather Watch | BOU | 12 hr |
| Jul 9, 8:31 PM MDT | Red Flag Warning | BOU | 23 hr |
| Jul 10, 4:18 PM MDT | Fire Weather Watch | BOU | 12 hr |
| Jul 11, 3:58 AM MDT | Red Flag Warning | BOU | 16 hr |
| Jul 12, 4:12 PM MDT | Fire Weather Watch | BOU | 12 hr |
| Jul 13, 3:42 AM MDT | Red Flag Warning | BOU | 16 hr |
| Jul 15, 3:00 PM MDT | Red Flag Warning | BOU | 30 hr |
| Jul 17, 2:03 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 18, 5:49 PM MDT | Areal Flood Advisory | BOU | 56 min |
| Jul 19, 6:17 PM MDT | Areal Flood Advisory | BOU | 58 min |
| Jul 19, 6:36 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jul 24, 1:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 24, 3:04 PM MDT | Special Weather Statement | BOU | 41 min |
| Jul 24, 3:26 PM MDT | Special Weather Statement | BOU | 49 min |
| Jul 29, 12:34 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 29, 1:08 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 29, 5:27 PM MDT | Mesoscale Discussion | SPC | 108 min |
| Jul 29, 8:28 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Aug 4, 3:05 PM MDT | Flash Flood Watch | BOU | 28 hr |
| Aug 7, 5:47 AM MDT | Dense Fog Advisory | BOU | 4 hr |
| Aug 16, 4:56 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Aug 30, 8:55 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Aug 30, 9:25 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Sep 10, 2:49 AM MDT | Fire Weather Watch | BOU | 12 hr |
| Sep 10, 2:39 PM MDT | Red Flag Warning | BOU | 28 hr |
| Sep 14, 12:26 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 14, 5:34 PM MDT | Special Weather Statement | BOU | 41 min |
| Sep 17, 3:03 PM MDT | Red Flag Warning | BOU | 28 hr |
| Oct 2, 3:47 PM MDT | Red Flag Warning | BOU | 27 hr |
| Oct 4, 2:56 PM MDT | Freeze Warning | BOU | 18 hr |
| Oct 6, 4:05 AM MDT | Freeze Warning | BOU | 29 hr |
| Oct 15, 1:52 PM MDT | High Wind Watch | BOU | 25 hr |
| Oct 15, 2:14 PM MDT | Fire Weather Watch | BOU | 25 hr |
| Oct 15, 2:14 PM MDT | Red Flag Warning | BOU | 29 hr |
| Oct 16, 2:50 PM MDT | High Wind Warning | BOU | 24 hr |
| Oct 16, 2:51 PM MDT | Red Flag Warning | BOU | 28 hr |
| Oct 19, 6:00 AM MDT | Freeze Watch | BOU | 8 hr |
| Oct 19, 2:04 PM MDT | Freeze Warning | BOU | 18 hr |
| Oct 22, 3:30 AM MDT | Red Flag Warning | BOU | 15 hr |
| Oct 30, 3:36 AM MDT | Dense Fog Advisory | BOU | 6 hr |
| Nov 16, 1:48 AM MST | Red Flag Warning | BOU | 16 hr |
| Nov 16, 3:38 PM MST | Winter Weather Advisory | BOU | 36 hr |
| Nov 20, 2:07 PM MST | Winter Weather Advisory | BOU | 48 hr |
| Nov 23, 2:00 PM MST | Winter Weather Advisory | BOU | 16 hr |
| Nov 26, 4:09 AM MST | Winter Weather Advisory | BOU | 3 days |
| Nov 27, 3:54 AM MST | High Wind Watch | BOU | 15 hr |
| Dec 5, 2:07 AM MST | High Wind Warning | BOU | 7 hr |
| Dec 5, 2:48 PM MST | Winter Storm Watch | BOU | 14 hr |
| Dec 5, 2:48 PM MST | Winter Weather Advisory | BOU | 44 hr |
| Dec 8, 4:06 AM MST | Winter Weather Advisory | BOU | 21 hr |
| Dec 9, 1:32 AM MST | Winter Storm Warning | BOU | 14 hr |
| Dec 9, 3:32 PM MST | Winter Storm Watch | BOU | 13 hr |
| Dec 10, 4:58 AM MST | Winter Storm Warning | BOU | 30 hr |
| Dec 14, 3:21 AM MST | Winter Weather Advisory | BOU | 26 hr |
| Dec 14, 2:57 PM MST | Winter Storm Watch | BOU | 19 hr |
| Dec 15, 10:21 AM MST | Winter Storm Warning | BOU | 47 hr |
| Dec 16, 9:04 PM MST | Winter Weather Advisory | BOU | 11 hr |
| Dec 23, 2:38 PM MST | High Wind Watch | BOU | 24 hr |
| Dec 24, 3:51 AM MST | Winter Weather Advisory | BOU | 44 hr |
| Dec 24, 2:39 PM MST | High Wind Warning | BOU | 33 hr |
| Dec 27, 1:27 PM MST | Winter Weather Advisory | 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 | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 6 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 10 |
| Winter Storm Watch | 8 |
| Winter Weather Advisory | 27 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 6 |
| Fire | |
| Red Flag Warning | 13 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.