Alert archive / California / Dense Fog Advisories in 2021

Dense Fog Advisory 8, NWS San Diego, CA

November 5, 20214 counties in California

NWS San Diego, CA issued this dense fog advisory at Nov 5, 2021, 1:35 PM PDT for 4 counties in California. It took effect at Nov 5, 2021, 8:00 PM PDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 5, 2021, 1:35 PM PDT (20:35 UTC)
In effect from
Nov 5, 2021, 8:00 PM PDT
Expired
Nov 6, 2021, 12:57 AM PDT
In force
5 hr
Issued by
NWS San Diego, CA

Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 20:35 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 San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 5, 1:03 AM PDTDense Fog AdvisorySGXOrange, San Diego14 min
Nov 5, 1:17 AM PDTDense Fog AdvisorySGXOrange, San Diego8 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.