Alert archive / Oregon / River Flood Warnings in 2017

River Flood Warning 16, NWS Portland, OR

February 9, 2017Washington County, Oregon

NWS Portland, OR issued this river flood warning at Feb 9, 2017, 4:00 PM PST for Washington County, Oregon. It took effect at Feb 9, 2017, 7:50 PM PST. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Feb 9, 2017, 4:00 PM PST (00:00 UTC)
In effect from: Feb 9, 2017, 7:50 PM PST
Expired: Feb 10, 2017, 2:43 PM PST
In force: 19 hr
Issued by: NWS Portland, OR
Area: Storm-based polygon
Flood severity: Minor

County Washington County, OR

The radar

The Portland,OR radar (KRTX), 20 km from the middle of the area, began a volume at 00:02 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 Tualatin River near Dilley (DLLO3). The gauge peaked at 17.77 ft at Feb 9, 2017, 10:00 PM PST.

Action stage: 16 ft
Minor stage: 17.5 ft
Moderate stage: 18.5 ft
Major stage: 19.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 14203500, 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 Portland, OR wrote its last area forecast discussion before this river flood warning went out at Feb 9, 2:52 PM PST, 1 hour 8 minutes earlier.

Area forecast discussion, Feb 9, 2:52 PM PST, 1 hour 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, Feb 9, 12:52 PM PST, 3 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>

Local storm report, Feb 9, 1:01 PM PST, 2 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>

The office that day

Everything else NWS Portland, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 10, 8:44 AM PST	Small Craft Advisory for Rough Bar	PQR		22 hr
Feb 10, 8:44 AM PST	Small Craft Advisory for Winds	PQR		12 hr
Feb 10, 8:44 AM PST	Small Craft Advisory for Hazardous Seas	PQR		18 hr
Feb 9, 4:09 PM PST	River Flood Warning	PQR	Cowlitz	13 hr

Nearby

River Flood Warnings in Oregon, 2017 Every river flood warning in 2017

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.