Alert archive / California / Extreme Cold Warnings in 2026
Extreme Cold Warning 6, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this extreme cold warning at Feb 20, 2026, 11:53 AM PST for Monterey County, San Benito County, Santa Clara County, California. It took effect at Feb 21, 2026, 1:00 AM PST. It was in force for 8 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
- Feb 20, 2026, 11:53 AM PST (19:53 UTC)
- In effect from
- Feb 21, 2026, 1:00 AM PST
- Expired
- Feb 21, 2026, 9:00 AM PST
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Monterey County, CA, San Benito County, CA, Santa Clara County, CA
The radar
The San Francisco radar (KMUX), 70 km from the middle of the area, began a volume at 19:56 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 extreme cold 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 extreme cold warning went out at Feb 20, 10:00 AM PST, 1 hour 53 minutes earlier.
Area forecast discussion, Feb 20, 10:00 AM PST, 1 hour 53 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 |
|---|---|---|---|---|
| Feb 19, 8:31 PM PST | Small Craft Advisory | MTR | 5 days | |
| Feb 20, 2:53 AM PST | Gale Warning | MTR | 48 hr | |
| Feb 20, 2:53 AM PST | Small Craft Advisory | MTR | 42 hr | |
| Feb 20, 11:49 AM PST | Cold Weather Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more | 21 hr |
Nearby
Extreme Cold Warnings in California, 2026Every extreme cold warning in 2026
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.