Alert archive / Washington / River Flood Warnings in 2013

River Flood Warning 3, NWS Seattle, WA

January 9, 2013Snohomish County, Washington

NWS Seattle, WA issued this river flood warning at Jan 9, 2013, 7:33 AM PST for Snohomish County, Washington. It took effect at Jan 9, 2013, 9:01 AM PST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jan 9, 2013, 7:33 AM PST (15:33 UTC)
In effect from: Jan 9, 2013, 9:01 AM PST
Expired: Jan 9, 2013, 3:47 PM PST
In force: 7 hr
Issued by: NWS Seattle, WA
Flood severity: Minor

County Snohomish County, WA

The radar

The Seattle radar (KATX), 60 km from the middle of the area, began a volume at 15:35 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.

The river

Written for the forecast point Stillaguamish River at Arlington (ARLW1).

Action stage: 12.5 ft
Minor stage: 14 ft
Moderate stage: 17.5 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12167400, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this river flood warning went out at Jan 9, 3:00 AM PST, 4 hours 33 minutes earlier.

Area forecast discussion, Jan 9, 3:00 AM PST, 4 hours 33 minutes before

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In the hours before

Local storm report, Jan 9, 7:30 AM PST, 3 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 Seattle, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 8, 9:30 PM PST	River Flood Warning	SEW	Mason	32 hr
Jan 8, 9:52 PM PST	Gale Warning	SEW		5 hr
Jan 8, 9:52 PM PST	Small Craft Advisory	SEW		61 hr
Jan 9, 1:55 AM PST	River Flood Warning	SEW	Clallam	9 hr
Jan 9, 3:21 AM PST	Small Craft Advisory for Winds	SEW		18 hr
Jan 9, 3:21 AM PST	Small Craft Advisory for Hazardous Seas	SEW		54 hr
Jan 9, 4:26 AM PST	Winter Weather Advisory	SEW		8 hr

Nearby

River Flood Warnings in Washington, 2013 Every river flood warning in 2013

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; the gauge from the NWS water service and the USGS.