Alert archive / California / Dense Fog Advisories in 2021

Dense Fog Advisory 4, NWS Phoenix, AZ

October 25, 2021Imperial County, California

NWS Phoenix, AZ issued this dense fog advisory at Oct 25, 2021, 5:22 AM PDT for Imperial County, California. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 25, 2021, 5:22 AM PDT (12:22 UTC)
Expired
Oct 25, 2021, 8:00 AM PDT
In force
3 hr
Issued by
NWS Phoenix, AZ

County Imperial County, CA

The radar

The Yuma radar (KYUX), 90 km from the middle of the area, began a volume at 12:26 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 1:47 AM PDTWind AdvisoryPSRImperial, Riverside24 hr
Oct 25, 2:53 PM PDTBlowing Dust AdvisoryPSRImperial, Riverside6 hr

Nearby

Dense Fog Advisories in California, 2021Every 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.