Alert archive / California / Frost Advisories in 2010

Frost Advisory 1, NWS San Francisco Bay Area, CA

April 5, 2010Marin County, Napa County, Sonoma County, California

NWS San Francisco Bay Area, CA issued this frost advisory at Apr 5, 2010, 10:09 AM PDT for Marin County, Napa County, Sonoma County, California. It took effect at Apr 6, 2010, 3:00 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 5, 2010, 10:09 AM PDT (17:09 UTC)
In effect from
Apr 6, 2010, 3:00 AM PDT
Expired
Apr 6, 2010, 2:24 AM PDT
In force
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 17:09 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 Apr 4, 2:30 PM PDT, 19 hours 39 minutes earlier.

Area forecast discussion, Apr 4, 2:30 PM PDT, 19 hours 39 minutes before
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Hazardous weather outlook, Apr 4, 2:00 PM PDT, 20 hours 9 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.

IssuedProductOfficeCountiesLasted
Apr 5, 3:09 AM PDTSmall Craft Advisory for Hazardous SeasMTR22 hr

Nearby

Frost Advisories in California, 2010Every frost advisory in 2010

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.