Alert archive / Oregon / River Flood Warnings in 2020

River Flood Warning 5, NWS Pendleton, OR

February 6, 2020Wallowa County, Oregon; Asotin County, Washington

NWS Pendleton, OR issued this river flood warning at Feb 6, 2020, 11:24 PM PST for Wallowa County, Oregon; Asotin County, Washington. It took effect at Feb 7, 2020, 4:13 AM PST. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued: Feb 6, 2020, 11:24 PM PST (07:24 UTC)
In effect from: Feb 7, 2020, 4:13 AM PST
Expired: Feb 8, 2020, 3:12 PM PST
In force: 35 hr
Issued by: NWS Pendleton, OR
Area: Storm-based polygon
Flood severity: Minor

Counties Wallowa County, OR, Asotin County, WA

The radar

The Pendleton radar (KPDT), 131 km from the middle of the area, began a volume at 07:26 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 Grande Ronde River at Troy (TRYO3). The gauge peaked at 11.68 ft at Feb 7, 2020, 10:00 AM PST.

Action stage: 8 ft
Minor stage: 10 ft
Moderate stage: 11 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13333000, 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 Pendleton, OR wrote its last area forecast discussion before this river flood warning went out at Feb 6, 7:45 PM PST, 3 hours 39 minutes earlier.

Area forecast discussion, Feb 6, 7:45 PM PST, 3 hours 39 minutes before

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</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>
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In the hours before

Local storm report, Feb 6, 6:12 PM PST, 5 hours 12 minutes before

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<html lang="en">
<head>
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  <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 6, 6:14 PM PST, 5 hours 10 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 6, 6:51 PM PST, 4 hours 33 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 6, 8:39 PM PST, 2 hours 45 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 Pendleton, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 6, 9:43 PM PST	Areal Flood Warning	PDT	Umatilla	48 hr
Feb 6, 10:48 PM PST	Areal Flood Warning	PDT	Union	22 hr
Feb 7, 4:08 AM PST	Winter Weather Advisory	PDT	Umatilla, Union, Wallowa	36 hr
Feb 7, 5:51 AM PST	Areal Flood Warning	PDT	Umatilla	55 hr
Feb 7, 1:11 AM PST	River Flood Warning	PDT	Yakima	30 hr
Feb 7, 2:53 AM PST	Flash Flood Warning	PDT	Walla Walla	8 hr
Feb 7, 3:09 AM PST	River Flood Warning	PDT	Yakima	24 hr
Feb 7, 8:27 AM PST	River Flood Warning	PDT	Yakima	37 hr
Feb 7, 10:25 AM PST	Areal Flood Warning	PDT	Walla Walla	16 hr

Nearby

River Flood Warnings in Oregon, 2020 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.