Alert archive / Washington / River Flood Warnings in 2018

River Flood Warning 16, NWS Seattle, WA

April 8, 2018Thurston County, Washington

NWS Seattle, WA issued this river flood warning at Apr 8, 2018, 10:42 PM PDT for Thurston County, Washington. It took effect at Apr 9, 2018, 2:10 AM PDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Apr 8, 2018, 10:42 PM PDT (05:42 UTC)
In effect from: Apr 9, 2018, 2:10 AM PDT
Expired: Apr 9, 2018, 2:51 PM PDT
In force: 13 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County Thurston County, WA

The radar

The Langley Hill radar (KLGX), 99 km from the middle of the area, began a volume at 05:44 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 Skookumchuck River near Bucoda (BCDW1).

Action stage: 209.5 ft
Minor stage: 211.5 ft
Moderate stage: 213 ft
Major stage: 215 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12026400, 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 Apr 8, 8:08 PM PDT, 2 hours 34 minutes earlier.

Area forecast discussion, Apr 8, 8:08 PM PDT, 2 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
Apr 8, 7:14 PM PDT	Small Craft Advisory	SEW		6 hr
Apr 9, 2:41 AM PDT	Gale Watch	SEW		7 hr
Apr 9, 2:41 AM PDT	Small Craft Advisory	SEW		27 hr
Apr 9, 9:20 AM PDT	Gale Warning	SEW		30 hr
Apr 9, 2:57 PM PDT	Wind Advisory	SEW	San Juan	22 hr
Apr 9, 3:00 PM PDT	Small Craft Advisory	SEW		53 hr

Nearby

River Flood Warnings in Washington, 2018 Every river flood warning in 2018

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.