Alert archive / California / Frost Advisories in 2023
Frost Advisory 11, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this frost advisory at Feb 28, 2023, 1:09 PM PST for 9 counties in California. It took effect at Mar 1, 2023, 1:00 AM PST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2023, 1:09 PM PST (21:09 UTC)
- In effect from
- Mar 1, 2023, 1:00 AM PST
- Expired
- Mar 1, 2023, 8:00 AM PST
- In force
- 7 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 21:08 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.
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 Feb 27, 2:18 PM PST, 22 hours 51 minutes earlier.
Area forecast discussion, Feb 27, 2:18 PM PST, 22 hours 51 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 |
|---|---|---|---|---|
| Feb 27, 4:04 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, San Mateo | 56 min |
| Feb 27, 4:26 PM PST | Special Marine Warning | MTR | 64 min | |
| Feb 27, 5:22 PM PST | Special Weather Statement | MTR | Marin | 53 min |
| Feb 27, 6:23 PM PST | Special Weather Statement | MTR | Contra Costa, Marin | 67 min |
| Feb 27, 6:38 PM PST | Special Marine Warning | MTR | 37 min | |
| Feb 27, 7:32 PM PST | Special Weather Statement | MTR | Contra Costa | 58 min |
| Feb 27, 8:12 PM PST | Special Weather Statement | MTR | Santa Cruz | 33 min |
| Feb 27, 8:35 PM PST | Special Weather Statement | MTR | Alameda | 40 min |
| Feb 27, 8:38 PM PST | Gale Watch | MTR | 6 hr | |
| Feb 27, 8:38 PM PST | Small Craft Advisory | MTR | 7 days | |
| Feb 27, 8:45 PM PST | Special Weather Statement | MTR | Santa Clara | 30 min |
| Feb 27, 9:44 PM PST | Special Weather Statement | MTR | San Mateo | 31 min |
| Feb 27, 10:09 PM PST | Special Weather Statement | MTR | San Mateo | 36 min |
| Feb 27, 11:48 PM PST | Special Weather Statement | MTR | Santa Cruz | 27 min |
| Feb 28, 3:03 AM PST | Gale Warning | MTR | 48 hr | |
| Feb 28, 5:28 AM PST | Special Weather Statement | MTR | San Mateo | 32 min |
| Feb 28, 12:25 PM PST | Special Weather Statement | MTR | San Benito | 35 min |
| Feb 28, 12:53 PM PST | Areal Flood Advisory | MTR | Alameda, Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Feb 28, 1:09 PM PST | Freeze Warning | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 19 hr |
Nearby
Frost Advisories in California, 2023Every frost advisory 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.