Alert archive / California / Freeze Warnings in 2022

Freeze Warning 1, NWS San Francisco Bay Area, CA

December 31, 20215 counties in California

NWS San Francisco Bay Area, CA issued this freeze warning at Dec 31, 2021, 4:16 PM PST for 5 counties in California. It took effect at Jan 1, 2022, 12:00 AM PST. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 31, 2021, 4:16 PM PST (00:16 UTC)
In effect from
Jan 1, 2022, 12:00 AM PST
Expired
Jan 1, 2022, 9:00 AM PST
In force
9 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 50 km from the middle of the area, began a volume at 00:16 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 Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 1, 1:00 PM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more20 hr
Jan 1, 1:46 PM PSTSmall Craft AdvisoryMTR6 days

Nearby

Freeze Warnings in California, 2022Every freeze warning in 2022

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.