Alert archive / Washington / River Flood Warnings in 2020

River Flood Warning 41, NWS Seattle, WA

February 5, 2020King County, Pierce County, Washington

NWS Seattle, WA issued this river flood warning at Feb 5, 2020, 8:53 AM PST for King County, Pierce County, Washington. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: Feb 5, 2020, 8:53 AM PST (16:53 UTC)
Expired: Feb 26, 2020, 8:53 AM PST
In force: 21 days
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

Counties King County, WA, Pierce County, WA

The radar

The Seattle radar (KATX), 110 km from the middle of the area, began a volume at 16:56 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 White River at R St. Auburn (WRAW1). The gauge peaked at 115.34 ft at Feb 6, 2020, 3:00 PM PST.

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12100490, 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 Feb 5, 4:19 AM PST, 4 hours 34 minutes earlier.

Area forecast discussion, Feb 5, 4:19 AM PST, 4 hours 34 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
Feb 5, 2:52 AM PST	Small Craft Advisory	SEW		24 hr
Feb 5, 1:03 PM PST	River Flood Warning	SEW	King	70 hr
Feb 5, 1:03 PM PST	River Flood Warning	SEW	King	70 hr
Feb 5, 1:03 PM PST	River Flood Warning	SEW	King	21 days
Feb 5, 1:03 PM PST	River Flood Warning	SEW	Lewis	21 days

Nearby

River Flood Warnings in Washington, 2020 Every river flood warning in 2020

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.