Alert archive / Colorado / Dense Fog Advisories in 2021
Dense Fog Advisory 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this dense fog advisory at Oct 23, 2021, 8:41 PM MDT for Washington County, Colorado. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Oct 23, 2021, 8:41 PM MDT (02:41 UTC)
- Expired
- Oct 24, 2021, 5:00 AM MDT
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
County Washington County, CO
The radar
The Denver radar (KFTG), 117 km from the middle of the area, began a volume at 02:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 6:22 AM MDT | Dense Fog Advisory | BOU | Logan, Morgan, Phillips, Sedgwick, Washington | 3 hr |
| Oct 24, 2:39 PM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert | 13 hr |
Nearby
Dense Fog Advisories in Colorado, 2021Every dense fog advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.