Alert archive / Washington / River Flood Warnings in 2008

River Flood Warning 12, NWS Seattle, WA

November 7, 2008Snohomish County, Washington

NWS Seattle, WA issued this river flood warning at Nov 7, 2008, 7:38 AM PST for Snohomish County, Washington. It took effect at Nov 7, 2008, 8:26 AM PST. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued: Nov 7, 2008, 7:38 AM PST (15:38 UTC)
In effect from: Nov 7, 2008, 8:26 AM PST
Expired: Nov 8, 2008, 8:56 AM PST
In force: 25 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 15:39 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 Skykomish River near Gold Bar (GLBW1). The gauge peaked at 16.13 ft at Nov 7, 2008, 1:00 PM PST.

Action stage: 12.2 ft
Minor stage: 15 ft
Moderate stage: 17 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12134500, 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 Nov 7, 2:30 AM PST, 5 hours 8 minutes earlier.

Area forecast discussion, Nov 7, 2:30 AM PST, 5 hours 8 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

Local storm report, Nov 7, 6:37 AM PST, 1 hour 1 minute 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>

Local storm report, Nov 7, 6:45 AM PST, 53 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>

Local storm report, Nov 7, 6:46 AM PST, 52 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>

Local storm report, Nov 7, 6:54 AM PST, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
654 AM PST FRI NOV 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0644 AM     HEAVY RAIN       4 SW MONTESANO          46.97N 123.65W
11/07/2008  E3.01 INCH       GRAYS HARBOR       WA   TRAINED SPOTTER

            24HR RAINFALL ENDING 6AM 3 INCHES

0644 AM     HEAVY RAIN       4 SW MONTESANO          46.97N 123.65W
11/07/2008  M3.01 INCH       GRAYS HARBOR       WA   TRAINED SPOTTER

            24HR RAINFALL ENDING 6AM 3 INCHES

&&

MM

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 6, 5:14 PM PST	Areal Flood Advisory	SEW	King, Kitsap, Mason, Pierce, Snohomish, Thurston	12 hr
Nov 6, 5:32 PM PST	River Flood Warning	SEW	Clallam	18 hr
Nov 6, 5:32 PM PST	River Flood Warning	SEW	Mason	3 days
Nov 6, 8:21 PM PST	River Flood Warning	SEW	King	34 hr
Nov 6, 9:01 PM PST	Gale Watch	SEW		6 hr
Nov 6, 9:01 PM PST	Small Craft Advisory	SEW		60 hr
Nov 6, 9:46 PM PST	River Flood Warning	SEW	King	30 hr
Nov 6, 9:46 PM PST	River Flood Warning	SEW	King	48 hr
Nov 6, 9:46 PM PST	River Flood Warning	SEW	Whatcom	7 hr
Nov 6, 9:46 PM PST	River Flood Warning	SEW	Whatcom	7 hr
Nov 6, 9:46 PM PST	River Flood Warning	SEW	Snohomish	7 hr
Nov 6, 9:46 PM PST	River Flood Warning	SEW	Snohomish	7 hr
Nov 7, 10:56 AM PST	River Flood Warning	SEW	Grays Harbor	17 hr
Nov 7, 10:56 AM PST	River Flood Warning	SEW	Snohomish	24 hr
Nov 7, 10:56 AM PST	River Flood Warning	SEW	Snohomish	29 hr
Nov 7, 12:58 PM PST	River Flood Warning	SEW	Snohomish	8 hr
Nov 7, 12:58 PM PST	River Flood Warning	SEW	Snohomish	15 hr
Nov 7, 2:57 PM PST	Gale Warning	SEW		24 hr

Nearby

River Flood Warnings in Washington, 2008 Every river flood warning in 2008

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.