Alert archive / Colorado / Dense Fog Advisories in 2021

Dense Fog Advisory 1, NWS Denver/Boulder, CO

February 18, 2021Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this dense fog advisory at Feb 18, 2021, 9:42 PM MST for Elbert County, Lincoln County, Colorado. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Feb 18, 2021, 9:42 PM MST (04:42 UTC)
Expired: Feb 19, 2021, 1:18 AM MST
In force: 4 hr
Issued by: NWS Denver/Boulder, CO

Counties Elbert County, CO, Lincoln County, CO

The radar

The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 04:42 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.

What forecasters said that day

The local office's own words before this dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this dense fog advisory went out at Feb 18, 2:49 PM MST, 6 hours 53 minutes earlier.

Area forecast discussion, Feb 18, 2:49 PM MST, 6 hours 53 minutes before

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Hazardous weather outlook, Feb 18, 11:02 AM MST, 10 hours 40 minutes before

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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 19, 2:08 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	39 hr

Nearby

Dense Fog Advisories in Colorado, 2021 Every 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.