Alert archive / Colorado / Washington County
Weather alerts in Washington County, Colorado, 2011
196 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Washington County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 196
- Warnings
- 68
- Watches
- 38
- Advisories
- 32
- Busiest month
- July51 alerts
- Busiest day
- July 6, 20119 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, 2:53 PM MST | Winter Storm Watch | BOU | 25 hr |
| Jan 8, 3:52 PM MST | Winter Weather Advisory | BOU | 41 hr |
| Jan 30, 3:13 PM MST | Winter Weather Advisory | BOU | 33 hr |
| Jan 31, 4:10 PM MST | Wind Chill Warning | BOU | 44 hr |
| Feb 2, 2:47 PM MST | Wind Chill Advisory | BOU | 17 hr |
| Feb 6, 3:52 PM MST | Winter Weather Advisory | BOU | 44 hr |
| Mar 10, 4:37 AM MST | Fire Weather Watch | BOU | 11 hr |
| Mar 15, 2:43 PM MDT | Fire Weather Watch | BOU | 34 hr |
| Mar 20, 3:57 AM MDT | Fire Weather Watch | BOU | 9 hr |
| Mar 20, 12:41 PM MDT | Red Flag Warning | BOU | 33 hr |
| Mar 21, 4:31 AM MDT | Fire Weather Watch | BOU | 10 hr |
| Mar 21, 2:45 PM MDT | Red Flag Warning | BOU | 31 hr |
| Mar 27, 8:18 PM MDT | Dense Fog Advisory | BOU | 13 hr |
| Apr 1, 4:20 AM MDT | Fire Weather Watch | BOU | 11 hr |
| Apr 1, 3:34 PM MDT | Red Flag Warning | BOU | 44 hr |
| Apr 4, 3:51 PM MDT | Red Flag Warning | BOU | 28 hr |
| Apr 6, 2:28 PM MDT | Fire Weather Watch | BOU | 24 hr |
| Apr 7, 2:47 PM MDT | Fire Weather Watch | BOU | 23 hr |
| Apr 7, 2:47 PM MDT | Red Flag Warning | BOU | 29 hr |
| Apr 7, 6:08 PM MDT | Special Weather Statement | BOU | 37 min |
| Apr 8, 1:12 AM MDT | Dense Fog Advisory | BOU | 7 hr |
| Apr 8, 2:01 PM MDT | Red Flag Warning | BOU | 31 hr |
| Apr 14, 11:04 AM MDT | High Wind Warning | BOU | 29 hr |
| Apr 14, 1:18 PM MDT | Winter Weather Advisory | BOU | 7 hr |
| Apr 21, 10:54 PM MDT | Severe Thunderstorm Warning | BOU | 66 min |
| May 8, 4:02 PM MDT | Red Flag Warning | BOU | 28 hr |
| May 11, 3:52 PM MDT | Tornado Watch | SPC | 6 hr |
| May 11, 4:08 PM MDT | Special Weather Statement | BOU | 37 min |
| May 17, 4:14 PM MDT | Mesoscale Discussion | SPC | 61 min |
| May 17, 5:57 PM MDT | Tornado Warning | BOU | 33 min |
| May 17, 6:11 PM MDT | Tornado Warning | BOU | 34 min |
| May 17, 6:13 PM MDT | Tornado Warning | BOU | 15 min |
| May 17, 6:26 PM MDT | Tornado Warning | BOU | 34 min |
| May 17, 6:32 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| May 17, 6:39 PM MDT | Mesoscale Discussion | SPC | 36 min |
| May 17, 6:59 PM MDT | Tornado Warning | BOU | 31 min |
| May 23, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| May 23, 4:30 PM MDT | Special Weather Statement | BOU | 30 min |
| May 24, 9:27 AM MDT | Flash Flood Watch | BOU | 19 hr |
| May 24, 9:37 AM MDT | Mesoscale Discussion | SPC | 83 min |
| May 24, 2:55 PM MDT | Flash Flood Warning | BOU | 6 hr |
| May 24, 6:07 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| May 24, 9:10 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| May 25, 7:32 AM MDT | Areal Flood Advisory | BOU | 5 hr |
| May 28, 8:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 3:53 PM MDT | Tornado Warning | BOU | 22 min |
| Jun 1, 4:12 PM MDT | Red Flag Warning | BOU | 28 hr |
| Jun 11, 3:04 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 11, 3:35 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 4:23 PM MDT | Severe Thunderstorm Warning | BOU | 23 min |
| Jun 11, 4:30 PM MDT | Severe Thunderstorm Warning | BOU | 60 min |
| Jun 11, 5:12 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Jun 11, 6:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 12, 3:53 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jun 13, 4:24 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | 16 min |
| Jun 13, 4:49 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| Jun 13, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| Jun 13, 8:44 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 13, 11:46 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jun 14, 12:48 AM MDT | Special Weather Statement | BOU | 27 min |
| Jun 14, 12:50 AM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 14, 12:57 AM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Jun 14, 3:58 AM MDT | Special Weather Statement | BOU | 32 min |
| Jun 16, 1:55 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 4:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 16, 5:03 PM MDT | Severe Thunderstorm Warning | BOU | 23 min |
| Jun 16, 5:24 PM MDT | Severe Thunderstorm Warning | BOU | 66 min |
| Jun 17, 12:58 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 2:27 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Jun 17, 3:08 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Jun 17, 3:18 PM MDT | Special Weather Statement | GLD | 27 min |
| Jun 18, 11:45 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 12:31 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 12:32 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Jun 18, 1:20 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Jun 18, 1:39 PM MDT | Severe Thunderstorm Warning | BOU | 66 min |
| Jun 19, 1:09 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 2:04 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 19, 6:44 PM MDT | Severe Thunderstorm Warning | BOU | 61 min |
| Jun 19, 7:39 PM MDT | Severe Thunderstorm Warning | BOU | 27 min |
| Jun 19, 9:44 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jun 19, 10:29 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jun 24, 1:52 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 2:29 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 29, 3:48 PM MDT | Red Flag Warning | BOU | 28 hr |
| Jun 30, 12:18 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 30, 1:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jun 30, 4:17 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jun 30, 7:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 1:23 AM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| Jul 2, 12:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 3:20 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 2, 5:05 PM MDT | Tornado Warning | BOU | 25 min |
| Jul 2, 5:16 PM MDT | Severe Thunderstorm Warning | BOU | 59 min |
| Jul 2, 5:26 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 5:31 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jul 2, 5:44 PM MDT | Tornado Warning | BOU | 31 min |
| Jul 2, 6:16 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jul 2, 6:20 PM MDT | Areal Flood Advisory | BOU | 85 min |
| Jul 2, 7:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 3:15 AM MDT | Flash Flood Watch | BOU | 23 hr |
| Jul 5, 5:19 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 5, 6:01 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 5, 7:12 PM MDT | Special Weather Statement | BOU | 33 min |
| Jul 5, 7:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 7:47 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Jul 6, 2:38 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 6, 2:56 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 5:00 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Jul 6, 5:06 PM MDT | Severe Thunderstorm Warning | BOU | 39 min |
| Jul 6, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 8, 1:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 8, 3:29 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 3:48 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 7:57 PM MDT | Mesoscale Discussion | SPC | 63 min |
| Jul 8, 10:33 PM MDT | Flash Flood Warning | BOU | 4 hr |
| Jul 9, 2:34 AM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jul 9, 1:52 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 9, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 9, 4:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 9, 7:11 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 10, 2:04 AM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jul 10, 3:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 10, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | 54 min |
| Jul 11, 7:12 PM MDT | Areal Flood Advisory | BOU | 93 min |
| Jul 12, 3:49 AM MDT | Flash Flood Watch | BOU | 25 hr |
| Jul 12, 2:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 13, 2:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 11:48 PM MDT | Areal Flood Advisory | BOU | 87 min |
| Jul 14, 12:35 AM MDT | Areal Flood Advisory | BOU | 81 min |
| Jul 14, 1:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 14, 8:05 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 16, 6:33 PM MDT | River Flood Advisory | BOU | 63 hr |
| Jul 24, 4:31 PM MDT | Severe Thunderstorm Warning | BOU | 21 min |
| Jul 26, 5:04 PM MDT | Areal Flood Advisory | BOU | 86 min |
| Jul 26, 5:17 PM MDT | Special Weather Statement | BOU | 28 min |
| Jul 26, 6:29 PM MDT | Areal Flood Advisory | BOU | 61 min |
| Jul 28, 8:22 PM MDT | Areal Flood Advisory | BOU | 83 min |
| Aug 4, 1:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Aug 4, 9:26 PM MDT | Areal Flood Advisory | BOU | 94 min |
| Aug 6, 7:30 PM MDT | Special Weather Statement | BOU | 30 min |
| Aug 6, 7:38 PM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| Aug 6, 8:02 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| Aug 8, 3:52 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 9, 1:51 PM MDT | Tornado Watch | SPC | 7 hr |
| Aug 9, 5:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Aug 9, 8:26 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Aug 9, 8:51 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 4:03 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 5:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Aug 10, 5:57 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Aug 10, 6:40 PM MDT | Severe Thunderstorm Warning | BOU | 65 min |
| Aug 14, 1:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 14, 2:29 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 14, 5:02 PM MDT | Areal Flood Advisory | BOU | 118 min |
| Aug 14, 6:44 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 17, 2:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 17, 2:43 PM MDT | Special Weather Statement | BOU | 47 min |
| Aug 17, 4:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 25, 3:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 29, 1:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Aug 29, 5:20 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Sep 17, 3:49 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Sep 17, 4:40 PM MDT | Special Weather Statement | BOU | 50 min |
| Sep 17, 6:03 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Sep 21, 4:00 PM MDT | Frost Advisory | BOU | 16 hr |
| Oct 4, 2:50 AM MDT | Red Flag Warning | BOU | 15 hr |
| Oct 6, 2:48 AM MDT | High Wind Warning | BOU | 16 hr |
| Oct 6, 4:27 AM MDT | Red Flag Warning | BOU | 16 hr |
| Oct 12, 7:35 PM MDT | Frost Advisory | BOU | 12 hr |
| Oct 14, 2:23 PM MDT | Fire Weather Watch | BOU | 14 hr |
| Oct 17, 4:49 AM MDT | Freeze Warning | BOU | 27 hr |
| Oct 18, 10:40 AM MDT | Freeze Warning | BOU | 21 hr |
| Oct 25, 8:51 PM MDT | Winter Weather Advisory | BOU | 15 hr |
| Oct 31, 5:02 AM MDT | Winter Storm Watch | BOU | 24 hr |
| Nov 1, 5:12 AM MDT | Winter Weather Advisory | BOU | 29 hr |
| Nov 1, 10:54 AM MDT | Blizzard Warning | BOU | 25 hr |
| Nov 1, 10:54 AM MDT | Winter Storm Warning | BOU | 25 hr |
| Nov 1, 7:13 PM MDT | Mesoscale Discussion | SPC | 5 hr |
| Nov 6, 2:14 PM MST | Winter Storm Watch | BOU | 14 hr |
| Nov 7, 4:06 AM MST | Winter Storm Warning | BOU | 27 hr |
| Nov 8, 3:46 AM MST | Winter Weather Advisory | BOU | 4 hr |
| Nov 14, 9:46 AM MST | Red Flag Warning | BOU | 7 hr |
| Nov 25, 11:45 AM MST | High Wind Warning | BOU | 24 hr |
| Nov 25, 1:34 PM MST | Fire Weather Watch | BOU | 14 hr |
| Nov 29, 12:14 PM MST | Winter Storm Watch | BOU | 23 hr |
| Nov 30, 11:27 AM MST | Winter Weather Advisory | BOU | 27 hr |
| Dec 2, 7:57 PM MST | Winter Weather Advisory | BOU | 18 hr |
| Dec 13, 2:18 AM MST | Dense Fog Advisory | BOU | 9 hr |
| Dec 19, 4:58 AM MST | Winter Weather Advisory | BOU | 23 hr |
| Dec 21, 4:33 AM MST | Winter Weather Advisory | BOU | 30 hr |
| Dec 29, 3:03 PM MST | High Wind Watch | BOU | 19 hr |
| Dec 30, 10:15 AM MST | High Wind Warning | BOU | 31 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.