Alert archive / South Carolina / Areal Flood Advisories in 2021

Areal Flood Advisory 6, NWS Charleston, SC

March 18, 2021Charleston County, South Carolina

NWS Charleston, SC issued this areal flood advisory at Mar 18, 2021, 4:08 PM EDT for Charleston County, South Carolina. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Mar 18, 2021, 4:08 PM EDT (20:08 UTC)
Expired
Mar 18, 2021, 5:00 PM EDT
In force
52 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 103 km from the middle of the area, began a volume at 20:10 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 areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this areal flood advisory went out at Mar 18, 3:50 PM EDT, 18 minutes earlier.

Area forecast discussion, Mar 18, 3:50 PM EDT, 18 minutes before
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Hazardous weather outlook, Mar 18, 11:56 AM EDT, 4 hours 12 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>
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In the hours before

Local storm report, Mar 18, 3:48 PM EDT, 20 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 Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 6:11 AM EDTMarine Dense Fog AdvisoryCHS4 hr
Mar 18, 2:55 PM EDTTornado WarningCHSJasper21 min
Mar 18, 4:36 PM EDTSpecial Marine WarningCHS54 min
Mar 18, 5:30 PM EDTSpecial Marine WarningCHS60 min
Mar 18, 5:33 PM EDTSpecial Marine WarningCHS24 min
Mar 18, 6:26 PM EDTSpecial Marine WarningCHS64 min
Mar 18, 1:47 PM EDTSevere Thunderstorm WarningCHSBryan, Liberty, Long, Tattnall43 min

Nearby

Areal Flood Advisories in South Carolina, 2021Every areal flood advisory in 2021

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.