Alert archive / Wyoming / Dense Fog Advisories in 2021

Dense Fog Advisory 2, NWS Cheyenne, WY

January 9, 2021Albany County, Laramie County, Wyoming

NWS Cheyenne, WY issued this dense fog advisory at Jan 9, 2021, 11:50 PM MST for Albany County, Laramie County, Wyoming. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jan 9, 2021, 11:50 PM MST (06:50 UTC)
Expired: Jan 10, 2021, 9:00 AM MST
In force: 9 hr
Issued by: NWS Cheyenne, WY

Counties Albany County, WY, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 50 km from the middle of the area, began a volume at 06:48 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 Cheyenne, WY wrote its last area forecast discussion before this dense fog advisory went out at Jan 9, 10:39 PM MST, 1 hour 11 minutes earlier.

Area forecast discussion, Jan 9, 10:39 PM MST, 1 hour 11 minutes before

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Hazardous weather outlook, Jan 9, 9:53 PM MST, 1 hour 57 minutes before

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Nearby

Dense Fog Advisories in Wyoming, 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.