Alert archive / California / Freeze Warnings in 2025

Freeze Warning 3, NWS San Francisco Bay Area, CA

January 21, 20254 counties in California

NWS San Francisco Bay Area, CA issued this freeze warning at Jan 21, 2025, 11:26 AM PST for 4 counties in California. It took effect at Jan 22, 2025, 12:00 AM PST. It was in force for 10 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
Jan 21, 2025, 11:26 AM PST (19:26 UTC)
In effect from
Jan 22, 2025, 12:00 AM PST
Expired
Jan 22, 2025, 10:00 AM PST
In force
10 hr
Issued by
NWS San Francisco Bay Area, CA

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

The radar

The San Francisco radar (KMUX), 84 km from the middle of the area, began a volume at 19:28 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 21, 11:26 AM PSTFrost AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more23 hr

Nearby

Freeze Warnings in California, 2025Every freeze warning in 2025

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.