Alert archive / Washington / River Flood Warnings in 2025

River Flood Warning 41, NWS Seattle, WA

December 9, 2025Grays Harbor County, Washington

NWS Seattle, WA issued this river flood warning at Dec 9, 2025, 7:32 AM PST for Grays Harbor County, Washington. It took effect at Dec 9, 2025, 4:21 PM PST. It was in force for 5 days.

The area

The counties it named.

The facts

Issued: Dec 9, 2025, 7:32 AM PST (15:32 UTC)
In effect from: Dec 9, 2025, 4:21 PM PST
Expired: Dec 14, 2025, 12:42 PM PST
In force: 5 days
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Moderate

County Grays Harbor County, WA

The radar

The Langley Hill radar (KLGX), 21 km from the middle of the area, began a volume at 15:36 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 Chehalis River at Porter (CRPW1). The gauge peaked at 49.61 ft at Dec 12, 2025, 2:00 AM PST.

Action stage: 45.5 ft
Minor stage: 48 ft
Moderate stage: 50 ft
Major stage: 52 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12031000, 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 Dec 9, 1:33 AM PST, 5 hours 59 minutes earlier.

Area forecast discussion, Dec 9, 1:33 AM PST, 5 hours 59 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>

In the hours before

Special weather statement, Dec 9, 4:34 AM PST, 2 hours 58 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
Dec 8, 4:04 PM PST	River Flood Warning	SEW	Lewis	67 hr
Dec 8, 4:04 PM PST	River Flood Warning	SEW	Lewis	5 days
Dec 8, 4:07 PM PST	Areal Flood Advisory	SEW	Grays Harbor, Lewis, Mason, Pierce, Thurston	7 hr
Dec 8, 4:35 PM PST	River Flood Warning	SEW	Lewis, Pierce	72 hr
Dec 8, 4:44 PM PST	River Flood Warning	SEW	Pierce	3 days
Dec 8, 4:44 PM PST	River Flood Warning	SEW	Pierce	71 hr
Dec 8, 4:44 PM PST	River Flood Warning	SEW	Pierce	3 days
Dec 8, 5:18 PM PST	River Flood Warning	SEW	Snohomish	4 days
Dec 8, 5:18 PM PST	River Flood Warning	SEW	Snohomish	66 hr
Dec 8, 6:16 PM PST	River Flood Warning	SEW	King	21 days
Dec 8, 6:16 PM PST	River Flood Warning	SEW	King	68 hr
Dec 8, 7:23 PM PST	River Flood Warning	SEW	Clallam	4 hr
Dec 8, 7:56 PM PST	River Flood Warning	SEW	King	5 days
Dec 8, 7:56 PM PST	River Flood Warning	SEW	Snohomish	5 days
Dec 8, 7:56 PM PST	River Flood Warning	SEW	Snohomish	21 days
Dec 8, 8:10 PM PST	River Flood Warning	SEW	Snohomish	3 days
Dec 8, 9:51 PM PST	River Flood Warning	SEW	Grays Harbor	65 hr
Dec 8, 10:15 PM PST	River Flood Warning	SEW	Skagit	21 days
Dec 8, 11:54 PM PST	River Flood Warning	SEW	Pierce	3 days
Dec 9, 2:00 AM PST	River Flood Warning	SEW	Thurston	15 hr
Dec 9, 3:12 AM PST	River Flood Warning	SEW	Grays Harbor, Thurston	21 days
Dec 9, 3:16 AM PST	River Flood Warning	SEW	King	11 days
Dec 9, 3:40 AM PST	River Flood Warning	SEW	Thurston	21 days
Dec 9, 6:05 AM PST	Wind Advisory	SEW	Clallam, Grays Harbor, Jefferson, King, Kitsap, Lewis and 4 more	40 hr
Dec 9, 7:41 AM PST	Small Craft Advisory	SEW		67 hr
Dec 9, 9:01 AM PST	River Flood Warning	SEW	Skagit	10 days
Dec 9, 9:23 AM PST	River Flood Warning	SEW	Lewis	22 hr
Dec 9, 12:07 PM PST	River Flood Warning	SEW	King, Pierce	12 days
Dec 9, 12:07 PM PST	River Flood Warning	SEW	Pierce, Thurston	31 hr
Dec 9, 1:47 PM PST	Coastal Flood Advisory	SEW	San Juan, Skagit, Snohomish, Whatcom	23 hr
Dec 9, 2:25 PM PST	Gale Warning	SEW		32 hr

Nearby

River Flood Warnings in Washington, 2025 Every river flood warning in 2025

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.