Alert archive / California / River Flood Watches in 2023

River Flood Watch 5, NWS Eureka, CA

January 8, 2023Mendocino County, California

NWS Eureka, CA issued this river flood watch at Jan 8, 2023, 9:40 PM PST for Mendocino County, California. It took effect at Jan 9, 2023, 12:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 8, 2023, 9:40 PM PST (05:40 UTC)
In effect from: Jan 9, 2023, 12:00 PM PST
Expired: Jan 9, 2023, 9:01 AM PST
In force
Issued by: NWS Eureka, CA
Area: Storm-based polygon
Flood severity: None

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 05:44 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 Navarro River near Navarro (NVRC1). The gauge peaked at 25.53 ft at Jan 8, 2023, 8:00 AM PST.

Action stage: 17 ft
Minor stage: 23 ft
Moderate stage: 30 ft
Major stage: 34 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11468000, 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this river flood watch went out at Jan 8, 2:33 PM PST, 7 hours 7 minutes earlier.

Area forecast discussion, Jan 8, 2:33 PM PST, 7 hours 7 minutes before

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Hazardous weather outlook, Jan 8, 12:40 PM PST, 9 hours 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.
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In the hours before

Local storm report, Jan 8, 6:10 PM PST, 3 hours 30 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 Eureka, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 9, 12:38 AM PST	Areal Flood Advisory	EKA	Lake, Mendocino	7 hr
Jan 9, 9:00 AM PST	River Flood Warning	EKA	Mendocino	10 hr
Jan 9, 9:04 AM PST	Gale Warning	EKA		29 hr
Jan 9, 9:04 AM PST	Small Craft Advisory	EKA		19 hr
Jan 9, 9:04 AM PST	Hazardous Seas Warning	EKA		3 hr
Jan 9, 2:06 PM PST	Wind Advisory	EKA	Del Norte, Humboldt, Lake, Mendocino	27 hr
Jan 9, 2:09 PM PST	Winter Weather Advisory	EKA		8 hr

Nearby

River Flood Watches in California, 2023 Every river flood watch 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.