Alert archive / Colorado / Dense Fog Advisories
Dense Fog Advisories in Colorado, 2012
20 dense fog advisories in 2012. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of dense fog advisories reaches back to 2005.
Dense Fog Advisories by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Dense Fog Advisories
- 20
- Busiest month
- April5 dense fog advisories
- Busiest day
- March 25, 20122 dense fog advisories
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 | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 3:26 AM MST | Dense Fog Advisory | GJT | Garfield, Mesa | 6 hr |
| Feb 11, 7:45 AM MST | Dense Fog Advisory | GJT | Routt | 2 hr |
| Feb 19, 7:36 AM MST | Dense Fog Advisory | GLD | Cheyenne, Kit Carson | 2 hr |
| Mar 24, 8:55 PM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 14 hr |
| Mar 24, 9:14 PM MDT | Dense Fog Advisory | PUB | Kiowa | 11 hr |
| Apr 4, 10:15 PM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 11 hr |
| Apr 6, 7:19 AM MDT | Dense Fog Advisory | PUB | Custer, El Paso, Fremont, Pueblo, Teller | 3 hr |
| Apr 10, 4:50 AM MDT | Dense Fog Advisory | PUB | El Paso | 4 hr |
| Apr 16, 7:36 AM MDT | Dense Fog Advisory | GJT | Routt | 2 hr |
| Apr 30, 6:30 AM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson | 3 hr |
| May 1, 7:01 AM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 3 hr |
| May 4, 2:28 AM MDT | Dense Fog Advisory | BOU | Phillips, Sedgwick | 6 hr |
| May 12, 5:02 AM MDT | Dense Fog Advisory | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 3 more | 4 hr |
| May 26, 6:33 AM MDT | Dense Fog Advisory | GLD | Yuma | 87 min |
| Sep 28, 8:50 AM MDT | Dense Fog Advisory | BOU | Logan, Morgan, Weld | 2 hr |
| Oct 22, 7:59 AM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 3 hr |
| Oct 22, 11:29 PM MDT | Dense Fog Advisory | GLD | Kit Carson, Yuma | 11 hr |
| Nov 9, 11:40 PM MST | Dense Fog Advisory | BOU | Logan, Phillips, Sedgwick | 9 hr |
| Dec 16, 4:32 AM MST | Dense Fog Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more | 4 hr |
| Dec 28, 2:57 AM MST | Dense Fog Advisory | GJT | Garfield, Mesa | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County7
- Cheyenne County6
- Yuma County6
- Garfield County2
- Mesa County2
- Routt County2
- El Paso County2
- Phillips County2
- Sedgwick County2
- Arapahoe County2
- Boulder County2
- Douglas County2
- Elbert County2
- Jefferson County2
- Logan County2
- Weld County2
- Kiowa County1
- Custer County1
- Fremont County1
- Pueblo County1
- Teller County1
- Clear Creek County1
- Gilpin County1
- Larimer County1
- Park County1
- Morgan County1
- Adams County1
- Broomfield County1
- Denver County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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. Warning verification from the Mesonet's Cow. Rebuilt daily.