Alert archive / California / Frost Advisories in 2023
Frost Advisory 21, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this frost advisory at Nov 24, 2023, 11:38 PM PST for Marin County, Napa County, Sonoma County, California. It took effect at Nov 25, 2023, 10:00 PM PST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Nov 24, 2023, 11:38 PM PST (07:38 UTC)
- In effect from
- Nov 25, 2023, 10:00 PM PST
- Expired
- Nov 26, 2023, 9:00 AM PST
- In force
- 11 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Marin County, CA, Napa County, CA, Sonoma County, CA
The radar
The Sacramento radar (KDAX), 88 km from the middle of the area, began a volume at 07:41 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 Nov 24, 9:55 PM PST, 1 hour 43 minutes earlier.
Area forecast discussion, Nov 24, 9:55 PM PST, 1 hour 43 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 |
|---|---|---|---|---|
| Nov 24, 11:38 PM PST | Freeze Warning | MTR | Monterey, San Benito | 33 hr |
| Nov 25, 7:11 AM PST | Coastal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 2 more | 3 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.