Alert archive / California / Freeze Warnings in 2019

Freeze Warning 3, NWS San Francisco Bay Area, CA

October 30, 20195 counties in California

NWS San Francisco Bay Area, CA issued this freeze warning at Oct 30, 2019, 2:06 PM PDT for 5 counties in California. It took effect at Oct 31, 2019, 2:00 AM PDT. It was in force for 7 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
Oct 30, 2019, 2:06 PM PDT (21:06 UTC)
In effect from
Oct 31, 2019, 2:00 AM PDT
Expired
Oct 31, 2019, 9:00 AM PDT
In force
7 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 21:10 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 Oct 29, 2:46 PM PDT, 23 hours 20 minutes earlier.

Area forecast discussion, Oct 29, 2:46 PM PDT, 23 hours 20 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
Oct 30, 2:21 AM PDTFrost AdvisoryMTRMarin, Monterey, Napa, San Benito, Sonoma12 hr

Nearby

Freeze Warnings in California, 2019Every freeze warning in 2019

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.