Alert archive / Colorado / Denver County
Weather alerts in Denver County, Colorado, 2017
75 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Denver County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 75
- Warnings
- 26
- Watches
- 15
- Advisories
- 13
- Busiest month
- March19 alerts
- Busiest day
- May 8, 20176 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 3, 5:08 AM MST | Winter Storm Warning | BOU | 54 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 20, 3:49 AM MST | Fire Weather Watch | BOU | 11 hr |
| Feb 20, 2:28 PM MST | Red Flag Warning | BOU | 28 hr |
| Mar 3, 3:14 PM MST | Fire Weather Watch | BOU | 24 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, 2:28 PM MST | High Wind Warning | BOU | 29 hr |
| Mar 6, 5:44 AM MST | Fire Weather Watch | BOU | 10 hr |
| Mar 6, 3:35 PM MST | Red Flag Warning | BOU | 25 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, 12:41 PM MDT | Red Flag Warning | BOU | 6 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 22, 3:57 AM MDT | Fire Weather Watch | BOU | 7 hr |
| Mar 22, 10:47 AM MDT | Red Flag Warning | BOU | 31 hr |
| Mar 23, 5:00 AM MDT | Winter Weather Advisory | BOU | 29 hr |
| Apr 15, 3:00 PM MDT | Fire Weather 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 7, 3:37 PM MDT | Special Weather Statement | BOU | 38 min |
| May 7, 3:41 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| 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 8, 3:21 PM MDT | Severe Thunderstorm Warning | BOU | 39 min |
| May 8, 3:33 PM MDT | Areal Flood Advisory | BOU | 57 min |
| 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, 1:16 PM MDT | Special Weather Statement | BOU | 44 min |
| May 26, 2:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| May 26, 5:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 2:55 PM MDT | Special Weather Statement | BOU | 50 min |
| May 29, 3:20 PM MDT | Special Weather Statement | BOU | 40 min |
| Jun 2, 2:41 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 7, 2:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 3:21 PM MDT | Special Weather Statement | BOU | 39 min |
| Jun 11, 2:49 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 12:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 3:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 2, 3:19 PM MDT | Special Weather Statement | BOU | 41 min |
| Jul 4, 3:59 PM MDT | Special Weather Statement | BOU | 46 min |
| Jul 4, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| Jul 8, 3:37 PM MDT | Severe Thunderstorm Warning | BOU | 20 min |
| Jul 10, 5:59 PM MDT | Special Weather Statement | BOU | 46 min |
| Jul 20, 2:35 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 9:13 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Jul 30, 5:56 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Aug 4, 2:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 10, 3:18 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Aug 10, 4:06 PM MDT | Special Weather Statement | BOU | 39 min |
| Aug 13, 3:12 PM MDT | Severe Thunderstorm Warning | BOU | 22 min |
| Aug 19, 6:31 PM MDT | Special Weather Statement | BOU | 29 min |
| Sep 18, 10:47 AM MDT | Fire Weather Watch | BOU | 16 hr |
| Sep 18, 10:47 AM MDT | Red Flag Warning | BOU | 33 hr |
| Oct 2, 8:14 PM MDT | Frost Advisory | BOU | 13 hr |
| Oct 5, 2:19 AM MDT | Dense Fog Advisory | BOU | 7 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 |
| Nov 6, 6:37 AM MST | Dense Fog Advisory | BOU | 3 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 | 7 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 10 |
| Flooding | |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 4 |
| Cold | |
| Freeze Warning | 3 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Fire | |
| Red Flag Warning | 11 |
| Fire Weather Watch | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| 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.