Alert archive / California / Freeze Warnings in 2015

Freeze Warning 10, NWS San Francisco Bay Area, CA

December 26, 201510 counties in California

NWS San Francisco Bay Area, CA issued this freeze warning at Dec 26, 2015, 3:09 AM PST for 10 counties in California. It took effect at Dec 27, 2015, 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 26, 2015, 3:09 AM PST (11:09 UTC)
In effect from
Dec 27, 2015, 12:00 AM PST
Expired
Dec 27, 2015, 9:00 AM PST
In force
9 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Alameda County, CA, Contra Costa County, CA, 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), 42 km from the middle of the area, began a volume at 11:13 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 25, 2:49 PM PST, 12 hours 20 minutes earlier.

Area forecast discussion, Dec 25, 2:49 PM PST, 12 hours 20 minutes before
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Nearby

Freeze Warnings in California, 2015Every freeze warning in 2015

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.