Alert archive / California / Dense Fog Advisories in 2021

Dense Fog Advisory 4, NWS San Diego, CA

April 4, 2021San Diego County, California

NWS San Diego, CA issued this dense fog advisory at Apr 4, 2021, 8:33 AM PDT for San Diego County, California. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2021, 8:33 AM PDT (15:33 UTC)
Expired
Apr 4, 2021, 11:00 AM PDT
In force
2 hr
Issued by
NWS San Diego, CA

County San Diego County, CA

The radar

The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 15:32 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
Apr 4, 1:43 AM PDTHigh Wind WatchSGXRiverside, San Bernardino, San Diego12 hr
Apr 4, 4:00 AM PDTDense Fog AdvisorySGXSan Diego4 hr
Apr 4, 1:28 PM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego40 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.