Alert archive / Washington / Flash Flood Warnings in 2020

Flash Flood Warning 1, NWS Pendleton, OR

February 7, 2020Walla Walla County, Washington

NWS Pendleton, OR issued this flash flood warning at Feb 7, 2020, 2:53 AM PST for Walla Walla County, Washington. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 7, 2020, 2:53 AM PST (10:53 UTC)
Expired: Feb 7, 2020, 10:45 AM PST
In force: 8 hr
Issued by: NWS Pendleton, OR
Area: Storm-based polygon
Flood severity: None

County Walla Walla County, WA

The radar

The Pendleton radar (KPDT), 67 km from the middle of the area, began a volume at 10:55 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.

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Feb 7, 2:38 AM PST, 15 minutes earlier.

Area forecast discussion, Feb 7, 2:38 AM PST, 15 minutes before

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In the hours before

Local storm report, Feb 6, 11:59 PM PST, 2 hours 54 minutes before

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<head>
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  <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.
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Local storm report, Feb 7, 1:48 AM PST, 1 hour 5 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 6, 11:24 PM PST	River Flood Warning	PDT	Wallowa	40 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, 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

Flash Flood Warnings in Washington, 2020 Every flash 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.