Alert archive / California / River Flood Warnings in 2024

River Flood Warning 4, NWS San Diego, CA

February 6, 2024San Diego County, California

NWS San Diego, CA issued this river flood warning at Feb 6, 2024, 4:28 AM PST for San Diego County, California. It took effect at Feb 6, 2024, 5:00 AM PST. It was in force for 52 hr.

The area

The counties it named.

The facts

Issued: Feb 6, 2024, 4:28 AM PST (12:28 UTC)
In effect from: Feb 6, 2024, 5:00 AM PST
Expired: Feb 8, 2024, 9:00 AM PST
In force: 52 hr
Issued by: NWS San Diego, CA
Area: Storm-based polygon
Flood severity: Minor

County San Diego County, CA

The radar

The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 12:30 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 San Diego River at Fashion Valley (FSNC1).

Action stage: 7.5 ft
Minor stage: 10 ft
Moderate stage: 13.5 ft
Major stage: 16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11023000, 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 Diego, CA wrote its last area forecast discussion before this river flood warning went out at Feb 6, 3:46 AM PST, 42 minutes earlier.

Area forecast discussion, Feb 6, 3:46 AM PST, 42 minutes before

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In the hours before

Local storm report, Feb 5, 10:34 PM PST, 5 hours 54 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.
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Local storm report, Feb 6, 12:22 AM PST, 4 hours 6 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>

Local storm report, Feb 6, 3:14 AM PST, 1 hour 14 minutes before

Preliminary Local Storm Report
National Weather Service San Diego CA
314 AM PST Tue Feb 6 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0118 AM     Flood            2 W Rancho Bernardo     33.02N 117.12W
02/06/2024                   San Diego          CA   County Official

            County of San Diego Department of Public
            Works reported Campania Ave between Castello
            Circle and Camino San Thomas closed due to
            flooding.

&&

SS

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 5, 4:49 PM PST	Areal Flood Advisory	SGX	San Diego	6 hr
Feb 5, 5:49 PM PST	Areal Flood Advisory	SGX	Riverside, San Diego	8 hr
Feb 5, 9:33 PM PST	Flash Flood Warning	SGX	Orange, Riverside, San Diego	117 min
Feb 5, 11:35 PM PST	Areal Flood Advisory	SGX	San Diego	8 hr
Feb 6, 2:06 AM PST	Areal Flood Advisory	SGX	Orange, Riverside	11 hr
Feb 6, 2:12 AM PST	Areal Flood Advisory	SGX	Riverside, San Bernardino	8 hr
Feb 6, 2:15 AM PST	Areal Flood Advisory	SGX	San Diego	5 hr
Feb 6, 4:03 AM PST	Winter Weather Advisory	SGX	San Diego	22 hr
Feb 6, 7:42 AM PST	Flash Flood Warning Considerable damage threat	SGX	Orange	4 hr
Feb 6, 9:28 AM PST	Areal Flood Advisory	SGX	San Diego	5 hr
Feb 6, 9:35 AM PST	Areal Flood Advisory	SGX	San Diego	5 hr
Feb 6, 9:46 AM PST	Areal Flood Advisory	SGX	Riverside, San Bernardino	5 hr
Feb 6, 9:55 AM PST	Flash Flood Warning Considerable damage threat	SGX	Orange, Riverside, San Diego	3 hr
Feb 6, 10:14 AM PST	Special Marine Warning	SGX		31 min
Feb 6, 11:02 AM PST	Special Marine Warning	SGX		28 min
Feb 6, 11:24 AM PST	Special Marine Warning	SGX		36 min
Feb 6, 11:30 AM PST	Special Weather Statement	SGX	San Diego	30 min
Feb 6, 11:40 AM PST	Special Weather Statement	SGX	San Diego	35 min
Feb 6, 11:44 AM PST	Tornado Warning	SGX	San Diego	31 min
Feb 6, 12:00 PM PST	Tornado Warning	SGX	San Diego	7 min
Feb 6, 12:19 PM PST	Special Weather Statement	SGX	San Diego	26 min
Feb 6, 12:25 PM PST	Areal Flood Advisory	SGX	Riverside	2 hr
Feb 6, 1:06 PM PST	Small Craft Advisory	SGX		45 hr
Feb 6, 3:52 PM PST	Areal Flood Advisory	SGX	Orange, Riverside	3 hr

Nearby

River Flood Warnings in California, 2024 Every river flood warning in 2024

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.