Alert archive / California / River Flood Warnings in 2023

River Flood Warning 14, NWS San Francisco Bay Area, CA

March 11, 2023Monterey County, California

NWS San Francisco Bay Area, CA issued this river flood warning at Mar 11, 2023, 4:38 PM PST for Monterey County, California. It took effect at Mar 12, 2023, 12:00 PM PDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Mar 11, 2023, 4:38 PM PST (00:38 UTC)
In effect from: Mar 12, 2023, 12:00 PM PDT
Expired: Mar 18, 2023, 3:59 PM PDT
In force: 6 days
Issued by: NWS San Francisco Bay Area, CA
Area: Storm-based polygon
Flood severity: Moderate

County Monterey County, CA

The radar

The San Francisco radar (KMUX), 115 km from the middle of the area, began a volume at 00:40 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 Salinas River near Spreckels (SPRC1). The gauge peaked at 26.84 ft at Mar 13, 2023, 4:00 AM PDT.

Action stage: 20 ft
Minor stage: 23 ft
Moderate stage: 26 ft
Major stage: 28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11152500, 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 San Francisco Bay Area, CA wrote its last area forecast discussion before this river flood warning went out at Mar 11, 1:02 PM PST, 3 hours 36 minutes earlier.

Area forecast discussion, Mar 11, 1:02 PM PST, 3 hours 36 minutes before

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In the hours before

Local storm report, Mar 11, 12:57 PM PST, 3 hours 41 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 San Francisco Bay Area, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 11, 4:54 PM PST	Special Weather Statement	MTR	Alameda	36 min
Mar 12, 4:28 AM PDT	Gale Watch	MTR		16 hr
Mar 12, 8:37 AM PDT	Areal Flood Advisory	MTR	San Mateo, Santa Clara	12 hr
Mar 12, 8:37 AM PDT	Special Weather Statement	MTR	San Mateo	38 min
Mar 12, 9:34 AM PDT	Areal Flood Advisory	MTR	Alameda, Contra Costa, Santa Clara	11 hr
Mar 12, 11:32 AM PDT	High Wind Warning	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more	57 hr
Mar 12, 11:48 AM PDT	Areal Flood Warning	MTR	Alameda	9 hr

Nearby

River Flood Warnings in California, 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.