Alert archive / California / Flash Flood Warnings in 2023

Flash Flood Warning 18, NWS Hanford, CA

March 10, 2023Fresno County, California

NWS Hanford, CA issued this flash flood warning at Mar 10, 2023, 8:56 PM PST for Fresno County, California. It was in force for 3 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: Mar 10, 2023, 8:56 PM PST (04:56 UTC)
Expired: Mar 10, 2023, 11:37 PM PST
In force: 3 hr
Issued by: NWS Hanford, CA
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

County Fresno County, CA

The radar

The San Joaquin Valley radar (KHNX), 49 km from the middle of the area, began a volume at 04:57 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 Hanford, CA wrote its last area forecast discussion before this flash flood warning went out at Mar 10, 2:59 PM PST, 5 hours 57 minutes earlier.

Area forecast discussion, Mar 10, 2:59 PM PST, 5 hours 57 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

Local storm report, Mar 10, 2:57 PM PST, 5 hours 59 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, Mar 10, 3:00 PM PST, 5 hours 56 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, Mar 10, 3:08 PM PST, 5 hours 48 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, Mar 10, 4:19 PM PST, 4 hours 37 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, Mar 10, 4:34 PM PST, 4 hours 22 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, Mar 10, 4:39 PM PST, 4 hours 17 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 Hanford, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 10, 4:16 PM PST	Areal Flood Warning	HNX	Tulare	16 hr
Mar 10, 5:45 PM PST	Areal Flood Warning	HNX	Fresno, Kings, Tulare	14 hr
Mar 10, 5:51 PM PST	Flash Flood Warning Considerable damage threat	HNX	Kern, Tulare	14 hr
Mar 10, 6:01 PM PST	Areal Flood Advisory	HNX	Fresno	13 hr
Mar 10, 6:16 PM PST	Flash Flood Warning	HNX	Madera, Mariposa	4 hr
Mar 10, 7:01 PM PST	Flash Flood Warning	HNX	Fresno, Madera, Mariposa	3 hr
Mar 10, 9:23 PM PST	Areal Flood Warning	HNX	Tulare	3 hr
Mar 10, 10:19 PM PST	Flash Flood Warning	HNX	Madera, Mariposa	3 hr
Mar 10, 11:11 PM PST	Areal Flood Advisory	HNX	Madera	83 min
Mar 11, 12:34 AM PST	Flash Flood Warning	HNX	Madera	14 hr
Mar 11, 1:59 AM PST	Areal Flood Advisory	HNX	Madera, Mariposa	3 hr
Mar 11, 2:40 AM PST	Dense Fog Advisory	HNX	Fresno, Kings	7 hr
Mar 11, 3:45 AM PST	Areal Flood Advisory	HNX	Fresno, Madera	3 hr
Mar 11, 1:11 PM PST	Flash Flood Warning	HNX	Fresno, Madera, Mariposa	5 hr
Mar 11, 1:57 PM PST	Flash Flood Warning Considerable damage threat	HNX	Tulare	11 hr
Mar 11, 1:57 PM PST	Special Weather Statement	HNX	Tulare	33 min
Mar 11, 2:04 PM PST	Special Weather Statement	HNX	Kern	26 min
Mar 11, 2:14 PM PST	Special Weather Statement	HNX		31 min
Mar 11, 2:28 PM PST	Special Weather Statement	HNX		32 min
Mar 11, 2:43 PM PST	Areal Flood Advisory	HNX	Kern	11 hr
Mar 11, 2:50 PM PST	Special Weather Statement	HNX	Kern	25 min
Mar 11, 3:01 PM PST	Special Weather Statement	HNX	Tulare	29 min
Mar 11, 3:11 PM PST	Special Weather Statement	HNX	Kern	34 min
Mar 11, 3:20 PM PST	Special Weather Statement	HNX	Kern	25 min
Mar 11, 3:23 PM PST	Special Weather Statement	HNX	Fresno	37 min
Mar 11, 3:38 PM PST	Tornado Warning	HNX	Fresno	37 min

Nearby

Flash Flood Warnings in California, 2023 Every flash 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.