Alert archive / South Carolina / Areal Flood Advisories in 2021

Areal Flood Advisory 36, NWS Columbia, SC

July 19, 2021Calhoun County, Clarendon County, Orangeburg County, South Carolina

NWS Columbia, SC issued this areal flood advisory at Jul 19, 2021, 8:14 PM EDT for Calhoun County, Clarendon County, Orangeburg County, South Carolina. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2021, 8:14 PM EDT (00:14 UTC)
Expired
Jul 19, 2021, 10:15 PM EDT
In force
2 hr
Issued by
NWS Columbia, SC
Area
Storm-based polygon

Counties Calhoun County, SC, Clarendon County, SC, Orangeburg County, SC

The radar

The Columbia radar (KCAE), 62 km from the middle of the area, began a volume at 00:15 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 Columbia, SC wrote its last area forecast discussion before this areal flood advisory went out at Jul 19, 7:59 PM EDT, 15 minutes earlier.

Area forecast discussion, Jul 19, 7:59 PM EDT, 15 minutes before
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Hazardous weather outlook, Jul 19, 3:52 AM EDT, 16 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>
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In the hours before

Local storm report, Jul 19, 4:34 PM EDT, 3 hours 40 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 Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 9:02 PM EDTAreal Flood AdvisoryCAEAiken, Calhoun, Edgefield, Lexington, Richland, Saluda3 hr
Jul 19, 11:39 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Lexington, Saluda111 min
Jul 20, 9:16 AM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Lexington, Saluda3 hr
Jul 20, 1:18 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Lexington, Saluda3 hr
Jul 20, 4:05 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield3 hr
Jul 20, 5:07 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Lexington, Saluda3 hr
Jul 20, 3:44 PM EDTSpecial Weather StatementCAERichmond61 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.