Alert archive / Utah / Areal Flood Advisories in 2012

Areal Flood Advisory 2, NWS Salt Lake City, UT

January 20, 2012Weber County, Utah

NWS Salt Lake City, UT issued this areal flood advisory at Jan 20, 2012, 4:29 PM MST for Weber County, Utah. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued: Jan 20, 2012, 4:29 PM MST (23:29 UTC)
Expired: Jan 22, 2012, 9:26 AM MST
In force: 41 hr
Issued by: NWS Salt Lake City, UT
Area: Storm-based polygon

County Weber County, UT

The radar

The Salt Lake City radar (KMTX), 45 km from the middle of the area, began a volume at 23:34 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 Salt Lake City, UT wrote its last area forecast discussion before this areal flood advisory went out at Jan 20, 3:50 PM MST, 39 minutes earlier.

Area forecast discussion, Jan 20, 3:50 PM MST, 39 minutes before

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Hazardous weather outlook, Jan 20, 6:05 AM MST, 10 hours 24 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 Salt Lake City, UT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 19, 7:12 PM MST	Areal Flood Warning	SLC	Cache	9 hr
Jan 20, 2:57 PM MST	Winter Storm Warning	SLC		42 hr
Jan 20, 3:11 PM MST	High Wind Warning	SLC		28 hr
Jan 20, 3:11 PM MST	Wind Advisory	SLC		41 hr
Jan 20, 4:24 PM MST	Areal Flood Advisory	SLC	Cache	41 hr
Jan 20, 4:31 PM MST	Areal Flood Advisory	SLC	Morgan	41 hr

Nearby

Areal Flood Advisories in Utah, 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.