Alert archive / California / Frost Advisories in 2024
Frost Advisory 30, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this frost advisory at Dec 29, 2024, 2:02 AM PST for 8 counties in California. It took effect at Dec 29, 2024, 10:00 PM PST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Dec 29, 2024, 2:02 AM PST (10:02 UTC)
- In effect from
- Dec 29, 2024, 10:00 PM PST
- Expired
- Dec 30, 2024, 9:00 AM PST
- In force
- 11 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, Santa Clara County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 49 km from the middle of the area, began a volume at 10:02 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 29, 1:21 AM PST, 41 minutes earlier.
Area forecast discussion, Dec 29, 1:21 AM PST, 41 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</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 28, 9:01 PM PST | Gale Warning | MTR | 18 hr | |
| Dec 29, 2:08 AM PST | Small Craft Advisory | MTR | 60 hr | |
| Dec 29, 4:33 AM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more | 10 hr |
| Dec 29, 7:22 AM PST | Areal Flood Advisory | MTR | Marin | 3 hr |
| Dec 29, 7:35 AM PST | Areal Flood Advisory | MTR | Sonoma | 30 hr |
| Dec 29, 8:22 AM PST | Areal Flood Advisory | MTR | Alameda | 4 hr |
| Dec 29, 8:45 AM PST | Areal Flood Advisory | MTR | Santa Cruz | 4 hr |
| Dec 29, 8:58 AM PST | Areal Flood Advisory | MTR | Marin, Sonoma | 3 hr |
| Dec 29, 10:40 AM PST | Areal Flood Advisory | MTR | Sonoma | 5 hr |
| Dec 29, 2:05 PM PST | Frost Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, San Mateo, Santa Clara and 2 more | 44 hr |
| Dec 29, 2:05 PM PST | Freeze Warning | MTR | Marin, Monterey, Napa, San Benito, Santa Clara, Sonoma | 44 hr |
Nearby
Frost Advisories in California, 2024Every frost advisory in 2024
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.