Alert archive / California / Areal Flood Advisories in 2012

Areal Flood Advisory 49, NWS San Diego, CA

September 11, 2012Riverside County, California

NWS San Diego, CA issued this areal flood advisory at Sep 11, 2012, 5:42 AM PDT for Riverside County, California. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Sep 11, 2012, 5:42 AM PDT (12:42 UTC)
Expired: Sep 11, 2012, 1:30 PM PDT
In force: 8 hr
Issued by: NWS San Diego, CA
Area: Storm-based polygon

County Riverside County, CA

The radar

The San Diego radar (KNKX), 134 km from the middle of the area, began a volume at 12:42 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 San Diego, CA wrote its last area forecast discussion before this areal flood advisory went out at Sep 10, 1:43 PM PDT, 15 hours 59 minutes earlier.

Area forecast discussion, Sep 10, 1:43 PM PDT, 15 hours 59 minutes before

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Hazardous weather outlook, Sep 10, 1:23 PM PDT, 16 hours 19 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 Diego, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 10, 7:16 PM PDT	Areal Flood Advisory	SGX	San Diego	97 min
Sep 11, 2:53 AM PDT	Areal Flood Advisory	SGX	Riverside	3 hr
Sep 11, 3:52 PM PDT	Areal Flood Advisory	SGX	San Bernardino	63 min

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.