Alert archive / California / Freeze Warnings in 2022

Freeze Warning 5, NWS San Francisco Bay Area, CA

December 2, 20224 counties in California

NWS San Francisco Bay Area, CA issued this freeze warning at Dec 2, 2022, 3:28 AM PST for 4 counties in California. It took effect at Dec 2, 2022, 11:00 PM 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
Dec 2, 2022, 3:28 AM PST (11:28 UTC)
In effect from
Dec 2, 2022, 11:00 PM PST
Expired
Dec 3, 2022, 5:26 AM PST
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Marin County, CA, Napa County, CA, Santa Clara County, CA, Sonoma County, CA

The radar

The Sacramento radar (KDAX), 80 km from the middle of the area, began a volume at 11:31 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.

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this freeze warning went out at Dec 1, 3:57 PM PST, 11 hours 31 minutes earlier.

Area forecast discussion, Dec 1, 3:57 PM PST, 11 hours 31 minutes before
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The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 2, 2:32 PM PSTSmall Craft AdvisoryMTR28 min
Dec 2, 2:32 PM PSTSmall Craft AdvisoryMTR48 hr

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.