Alert archive / Washington / River Flood Warnings in 2023

River Flood Warning 5, NWS Spokane, WA

May 15, 2023Chelan County, Washington

NWS Spokane, WA issued this river flood warning at May 15, 2023, 2:13 PM PDT for Chelan County, Washington. It took effect at May 15, 2023, 4:27 PM PDT. It was in force for 7 days.

The area

The counties it named.

The facts

Issued: May 15, 2023, 2:13 PM PDT (21:13 UTC)
In effect from: May 15, 2023, 4:27 PM PDT
Expired: May 22, 2023, 4:27 PM PDT
In force: 7 days
Issued by: NWS Spokane, WA
Area: Storm-based polygon
Flood severity: Minor

County Chelan County, WA

The radar

The Seattle radar (KATX), 144 km from the middle of the area, began a volume at 21:14 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 Stehekin River at Stehekin (STHW1).

Action stage: 19.5 ft
Minor stage: 20.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12451000, 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 Spokane, WA wrote its last area forecast discussion before this river flood warning went out at May 15, 2:49 AM PDT, 11 hours 24 minutes earlier.

Area forecast discussion, May 15, 2:49 AM PDT, 11 hours 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>

In the hours before

Special weather statement, May 15, 1:39 PM PDT, 34 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>

Special weather statement, May 15, 2:12 PM PDT, 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 6:15 PM PDT	River Flood Watch	OTX	Ferry	40 hr
May 15, 2:12 PM PDT	Special Weather Statement	OTX	Garfield	33 min
May 15, 1:39 PM PDT	Special Weather Statement	OTX	Benewah	36 min
May 15, 3:00 PM PDT	Special Weather Statement	OTX	Benewah	30 min
May 15, 3:38 PM PDT	Special Weather Statement	OTX	Kootenai	37 min
May 15, 4:02 PM PDT	Special Weather Statement	OTX	Kootenai	28 min
May 15, 4:25 PM PDT	Special Weather Statement	OTX	Kootenai	35 min

Nearby

River Flood Warnings in Washington, 2023 Every river flood warning in 2023

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.