Alert archive / Arizona / Dense Fog Advisories in 2021

Dense Fog Advisory 9, NWS Phoenix, AZ

December 9, 2021Yuma County, Arizona

NWS Phoenix, AZ issued this dense fog advisory at Dec 9, 2021, 7:20 AM MST for Yuma County, Arizona. It was in force for 100 min.

The area

The counties it named.

The facts

Issued: Dec 9, 2021, 7:20 AM MST (14:20 UTC)
Expired: Dec 9, 2021, 9:00 AM MST
In force: 100 min
Issued by: NWS Phoenix, AZ

County Yuma County, AZ

The radar

The Yuma radar (KYUX), 77 km from the middle of the area, began a volume at 14:20 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 Phoenix, AZ wrote its last area forecast discussion before this dense fog advisory went out at Dec 9, 4:40 AM MST, 2 hours 40 minutes earlier.

Area forecast discussion, Dec 9, 4:40 AM MST, 2 hours 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 9, 1:54 PM MST	Freeze Watch	PSR	La Paz	12 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.