Alert archive / California / Freeze Warnings in 2023

Freeze Warning 9, NWS San Francisco Bay Area, CA

February 24, 20238 counties in California

NWS San Francisco Bay Area, CA issued this freeze warning at Feb 24, 2023, 3:08 AM PST for 8 counties in California. It took effect at Feb 25, 2023, 12:00 AM PST. It was in force for 6 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
Feb 24, 2023, 3:08 AM PST (11:08 UTC)
In effect from
Feb 25, 2023, 12:00 AM PST
Expired
Feb 25, 2023, 5:43 AM PST
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 36 km from the middle of the area, began a volume at 11:08 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
Feb 23, 8:17 PM PSTSpecial Weather StatementMTRMarin28 min
Feb 23, 10:27 PM PSTSpecial Marine WarningMTR33 min
Feb 23, 10:29 PM PSTSpecial Marine WarningMTR31 min
Feb 23, 11:17 PM PSTSpecial Weather StatementMTRSan Mateo28 min
Feb 23, 11:45 PM PSTSpecial Weather StatementMTRContra Costa30 min
Feb 23, 11:54 PM PSTSpecial Marine WarningMTR36 min
Feb 24, 12:24 AM PSTSpecial Marine WarningMTR36 min
Feb 24, 12:33 AM PSTSpecial Weather StatementMTRSanta Cruz27 min
Feb 24, 12:45 AM PSTSpecial Marine WarningMTR15 min
Feb 24, 1:00 AM PSTSpecial Weather StatementMTRSanta Cruz30 min
Feb 24, 1:08 AM PSTSpecial Marine WarningMTR37 min
Feb 24, 1:28 AM PSTSpecial Weather StatementMTRSanta Cruz32 min
Feb 24, 1:39 AM PSTSpecial Weather StatementMTRSanta Cruz36 min
Feb 24, 2:10 AM PSTSpecial Marine WarningMTR20 min
Feb 24, 2:16 AM PSTSpecial Weather StatementMTRSanta Cruz14 min
Feb 24, 3:08 AM PSTFrost AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more27 hr

Nearby

Freeze Warnings in California, 2023Every freeze warning in 2023

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.