Alert archive / California / Areal Flood Advisories in 2012

Areal Flood Advisory 17, NWS Eureka, CA

December 21, 2012Mendocino County, California

NWS Eureka, CA issued this areal flood advisory at Dec 21, 2012, 3:51 AM PST for Mendocino County, California. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Dec 21, 2012, 3:51 AM PST (11:51 UTC)
Expired: Dec 21, 2012, 9:45 AM PST
In force: 6 hr
Issued by: NWS Eureka, CA
Area: Storm-based polygon

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 11:54 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 areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this areal flood advisory went out at Dec 21, 3:45 AM PST, 6 minutes earlier.

Area forecast discussion, Dec 21, 3:45 AM PST, 6 minutes before

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Hazardous weather outlook, Dec 21, 2:56 AM PST, 55 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>
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In the hours before

Local storm report, Dec 20, 10:39 PM PST, 5 hours 12 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 Eureka, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 20, 9:15 PM PST	High Surf Advisory	EKA		23 hr
Dec 21, 2:42 AM PST	Gale Warning	EKA		24 hr
Dec 21, 8:09 AM PST	River Flood Warning	EKA	Mendocino	6 hr
Dec 21, 9:00 AM PST	River Flood Advisory	EKA	Mendocino	9 hr
Dec 21, 9:50 AM PST	Areal Flood Advisory	EKA	Mendocino	5 hr

Nearby

Areal Flood Advisories in California, 2012 Every areal flood advisory in 2012

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.