Alert archive / California / Flash Flood Warnings in 2020

Flash Flood Warning 5, NWS Hanford, CA

March 11, 2020Fresno County, California

NWS Hanford, CA issued this flash flood warning at Mar 11, 2020, 2:57 PM PDT for Fresno County, California. It was in force for 2 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 11, 2020, 2:57 PM PDT (21:57 UTC)
Expired: Mar 11, 2020, 5:00 PM PDT
In force: 2 hr
Issued by: NWS Hanford, CA
Area: Storm-based polygon
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 21:57 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 11, 2:51 PM PDT, 6 minutes earlier.

Area forecast discussion, Mar 11, 2:51 PM PDT, 6 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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In the hours before

Local storm report, Mar 11, 2:06 PM PDT, 51 minutes before

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  <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, Mar 11, 2:08 PM PDT, 49 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>
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Special weather statement, Mar 11, 2:29 PM PDT, 28 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, 5:00 PM PDT	Special Weather Statement	HNX		45 min
Mar 10, 5:47 PM PDT	Tornado Warning	HNX	Kern	28 min
Mar 10, 5:57 PM PDT	Flash Flood Warning	HNX	Kern	57 min
Mar 10, 6:12 PM PDT	Severe Thunderstorm Warning	HNX	Kern	48 min
Mar 10, 6:30 PM PDT	Tornado Warning	HNX	Kern	30 min
Mar 10, 6:38 PM PDT	Flash Flood Warning	HNX	Kern	3 hr
Mar 10, 6:49 PM PDT	Tornado Warning	HNX	Kern	26 min
Mar 10, 7:01 PM PDT	Severe Thunderstorm Warning	HNX	Kern, Tulare	29 min
Mar 10, 7:22 PM PDT	Areal Flood Advisory	HNX	Kern	3 hr
Mar 10, 7:34 PM PDT	Special Weather Statement	HNX	Kern	41 min
Mar 10, 7:58 PM PDT	Severe Thunderstorm Warning	HNX	Kern	47 min
Mar 10, 8:09 PM PDT	Flash Flood Warning	HNX	Kern	3 hr
Mar 10, 8:46 PM PDT	Special Weather Statement	HNX		44 min
Mar 10, 9:39 PM PDT	Flash Flood Warning	HNX	Kern	111 min
Mar 11, 3:17 AM PDT	Dense Fog Advisory	HNX		6 hr
Mar 11, 9:14 AM PDT	Dense Fog Advisory	HNX		106 min
Mar 11, 2:29 PM PDT	Special Weather Statement	HNX	Madera	31 min
Mar 11, 3:01 PM PDT	Special Weather Statement	HNX	Fresno	44 min
Mar 11, 3:07 PM PDT	Special Weather Statement	HNX	Mariposa	38 min
Mar 11, 4:16 PM PDT	Special Weather Statement	HNX	Mariposa	44 min
Mar 11, 4:25 PM PDT	Special Weather Statement	HNX	Madera	50 min
Mar 11, 4:35 PM PDT	Areal Flood Advisory	HNX	Fresno, Tulare	2 hr
Mar 11, 4:41 PM PDT	Areal Flood Advisory	HNX	Mariposa	2 hr

Nearby

Flash Flood Warnings in California, 2020 Every flash flood warning in 2020

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.