Alert archive / Washington / River Flood Warnings in 2019

River Flood Warning 7, NWS Pendleton, OR

April 9, 2019Walla Walla County, Washington

NWS Pendleton, OR issued this river flood warning at Apr 9, 2019, 2:11 AM PDT for Walla Walla County, Washington. It took effect at Apr 9, 2019, 4:51 AM PDT. It was in force for 57 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 2019, 2:11 AM PDT (09:11 UTC)
In effect from
Apr 9, 2019, 4:51 AM PDT
Expired
Apr 11, 2019, 2:17 PM PDT
In force
57 hr
Issued by
NWS Pendleton, OR
Area
Storm-based polygon
Flood severity
Minor

County Walla Walla County, WA

The radar

The Pendleton radar (KPDT), 67 km from the middle of the area, began a volume at 09:14 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 Walla Walla River near Touchet (TCHW1). The gauge peaked at 15.53 ft at Apr 10, 2019, 1:00 PM PDT.

actionminormoderatemajor101504/0904/1004/1104/12
Action stage
10 ft
Minor stage
13 ft
Moderate stage
15 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 14018500, 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 Apr 9, 1:47 AM PDT, 24 minutes earlier.

Area forecast discussion, Apr 9, 1:47 AM PDT, 24 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.

IssuedProductOfficeCountiesLasted
Apr 9, 2:11 AM PDTRiver Flood WarningPDTUmatilla38 hr
Apr 9, 5:18 AM PDTRiver Flood WarningPDTGrant17 hr
Apr 9, 10:34 AM PDTWind AdvisoryPDTGilliam, Morrow, Sherman, Umatilla, Wasco, Wheeler11 hr

Nearby

River Flood Warnings in Washington, 2019Every river flood warning in 2019

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.