Alert archive / California / Frost Advisories in 2022
Frost Advisory 9, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this frost advisory at Dec 13, 2022, 1:12 AM PST for 9 counties in California. It took effect at Dec 14, 2022, 1:00 AM PST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 13, 2022, 1:12 AM PST (09:12 UTC)
- In effect from
- Dec 14, 2022, 1:00 AM PST
- Expired
- Dec 14, 2022, 9:00 AM PST
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, Contra Costa County, CA, Marin County, CA, Monterey 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), 30 km from the middle of the area, began a volume at 09:13 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 frost advisory 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 frost advisory went out at Dec 13, 1:12 AM PST, 0 minutes earlier.
Area forecast discussion, Dec 13, 1:12 AM PST, 0 minutes before
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</html>The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 1:12 AM PST | Freeze Watch | MTR | Alameda, Contra Costa, Monterey, San Benito, Santa Clara | 12 hr |
| Dec 13, 1:12 AM PST | Freeze Warning | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more | 32 hr |
Nearby
Frost Advisories in California, 2022Every frost advisory 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.