Alert archive / Arizona / Dense Fog Advisories in 2021

Dense Fog Advisory 1, NWS Tucson, AZ

January 22, 20214 counties in Arizona

NWS Tucson, AZ issued this dense fog advisory at Jan 22, 2021, 7:28 AM MST for 4 counties in Arizona. It was in force for 92 min.

The area

The counties it named.

The facts

Issued: Jan 22, 2021, 7:28 AM MST (14:28 UTC)
Expired: Jan 22, 2021, 9:00 AM MST
In force: 92 min
Issued by: NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Pima County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 25 km from the middle of the area, began a volume at 14:30 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 Tucson, AZ wrote its last area forecast discussion before this dense fog advisory went out at Jan 22, 2:20 AM MST, 5 hours 8 minutes earlier.

Area forecast discussion, Jan 22, 2:20 AM MST, 5 hours 8 minutes before

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The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 22, 2:59 PM MST	Winter Weather Advisory	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	53 hr

Nearby

Dense Fog Advisories in Arizona, 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.