Alert archive / Alabama / Dense Fog Advisories in 2021

Dense Fog Advisory 14, NWS Birmingham, AL

October 23, 202125 counties in Alabama

NWS Birmingham, AL issued this dense fog advisory at Oct 23, 2021, 2:35 AM CDT for 25 counties in Alabama. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Oct 23, 2021, 2:35 AM CDT (07:35 UTC)
Expired: Oct 23, 2021, 9:00 AM CDT
In force: 6 hr
Issued by: NWS Birmingham, AL

All 25 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Hale County, AL, Jefferson County, AL, Marion County, AL, Perry County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 30 km from the middle of the area, began a volume at 07:37 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 Birmingham, AL wrote its last area forecast discussion before this dense fog advisory went out at Oct 22, 6:11 PM CDT, 8 hours 24 minutes earlier.

Area forecast discussion, Oct 22, 6:11 PM CDT, 8 hours 24 minutes before

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Hazardous weather outlook, Oct 22, 10:18 AM CDT, 16 hours 17 minutes before

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Nearby

Dense Fog Advisories in Alabama, 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.