Alert archive / Florida / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 104, NWS Jacksonville, FL

June 21, 2018Duval County, Saint Johns County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 21, 2018, 3:43 PM EDT for Duval County, Saint Johns County, Florida. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 21, 2018, 3:43 PM EDT (19:43 UTC)
Expired
Jun 21, 2018, 4:11 PM EDT
In force
28 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Duval County, FL, Saint Johns County, FL

The radar

The Jacksonville radar (KJAX), 43 km from the middle of the area, began a volume at 19:47 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 2:31 PM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jun 21, 2:31 PM EDT, 1 hour 12 minutes before
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In the hours before

Special weather statement, Jun 21, 2:52 PM EDT, 51 minutes 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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Special weather statement, Jun 21, 3:07 PM EDT, 36 minutes before
<!doctype html>
<html lang="en">
<head>
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  <title>Service Notice</title>
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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.
      </p>
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  </main>
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</html>
Local storm report, Jun 21, 3:08 PM EDT, 35 minutes before
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<html lang="en">
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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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jun 21, 3:18 PM EDT, 25 minutes before
<!doctype html>
<html lang="en">
<head>
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  <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, Jun 21, 3:38 PM EDT, 5 minutes before
<!doctype html>
<html lang="en">
<head>
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  <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>
Special weather statement, Jun 21, 3:38 PM EDT, 5 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 Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 12:20 PM EDTSpecial Weather StatementJAXMarion25 min
Jun 21, 1:00 PM EDTAreal Flood AdvisoryJAXMarion90 min
Jun 21, 2:05 PM EDTAreal Flood AdvisoryJAXSaint Johns85 min
Jun 21, 2:16 PM EDTSpecial Marine WarningJAX59 min
Jun 21, 2:25 PM EDTSpecial Weather StatementJAXFlagler35 min
Jun 21, 2:28 PM EDTAreal Flood AdvisoryJAXFlagler5 hr
Jun 21, 2:39 PM EDTSpecial Weather StatementJAXPutnam36 min
Jun 21, 2:40 PM EDTSpecial Weather StatementJAXGilchrist50 min
Jun 21, 2:52 PM EDTSpecial Weather StatementJAXFlagler38 min
Jun 21, 3:04 PM EDTAreal Flood AdvisoryJAXPutnam, Saint Johns116 min
Jun 21, 3:07 PM EDTSpecial Weather StatementJAXFlagler53 min
Jun 21, 3:18 PM EDTSpecial Weather StatementJAXSaint Johns42 min
Jun 21, 3:38 PM EDTSpecial Weather StatementJAXDuval52 min
Jun 21, 3:56 PM EDTSpecial Weather StatementJAXClay49 min
Jun 21, 4:06 PM EDTAreal Flood AdvisoryJAXClay, Duval, Saint Johns61 min
Jun 21, 4:10 PM EDTSpecial Weather StatementJAXDuval35 min
Jun 21, 4:44 PM EDTSpecial Weather StatementJAXDuval46 min
Jun 21, 5:05 PM EDTAreal Flood AdvisoryJAXClay, Duval86 min
Jun 21, 5:14 PM EDTSpecial Weather StatementJAXBaker46 min
Jun 21, 5:19 PM EDTSpecial Weather StatementJAXDuval26 min
Jun 21, 5:30 PM EDTSpecial Weather StatementJAXBaker30 min
Jun 21, 5:46 PM EDTSpecial Weather StatementJAXDuval44 min
Jun 21, 6:53 PM EDTSpecial Weather StatementJAXEchols52 min
Jun 21, 7:16 PM EDTSpecial Weather StatementJAXClinch44 min

Nearby

Severe Thunderstorm Warnings in Florida, 2018Every severe thunderstorm warning in 2018

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.