Alert archive / South Carolina / River Flood Warnings in 2020

River Flood Warning 30, NWS Charleston, SC

May 19, 2020Berkeley County, Georgetown County, Williamsburg County, South Carolina

NWS Charleston, SC issued this river flood warning at May 19, 2020, 9:24 PM EDT for Berkeley County, Georgetown County, Williamsburg County, South Carolina. It took effect at May 20, 2020, 5:25 PM EDT. It was in force for 28 days.

The area

The counties it named.

The facts

Issued
May 19, 2020, 9:24 PM EDT (01:24 UTC)
In effect from
May 20, 2020, 5:25 PM EDT
Expired
Jun 17, 2020, 9:31 PM EDT
In force
28 days
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Flood severity
Minor

Counties Berkeley County, SC, Georgetown County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 131 km from the middle of the area, began a volume at 01:27 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.

The river

Written for the forecast point Santee River near Jamestown (JAMS1). The gauge peaked at 17.23 ft at May 30, 2020, 2:00 PM EDT.

actionminormoderate101505/2005/2105/2205/2305/2405/2505/2605/2705/2805/2905/3005/3106/0106/0206/0306/0406/0506/0606/0706/0806/0906/1006/1106/1206/1306/1406/1506/1606/1706/1806/19
Action stage
9 ft
Minor stage
10 ft
Moderate stage
17 ft
Major stage
22 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02171700, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at May 19, 9:07 PM EDT, 17 minutes earlier.

Area forecast discussion, May 19, 9:07 PM EDT, 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>
Hazardous weather outlook, May 19, 3:55 PM EDT, 5 hours 29 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
May 20, 11:06 AM EDTSpecial Weather StatementCHSCharleston39 min
May 20, 11:12 AM EDTSpecial Marine WarningCHS48 min
May 20, 11:25 AM EDTSpecial Weather StatementCHSDorchester50 min
May 20, 11:34 AM EDTAreal Flood AdvisoryCHSCharleston116 min
May 20, 11:40 AM EDTSevere Thunderstorm WarningCHSCharleston50 min
May 20, 11:47 AM EDTTornado WarningCHSCharleston28 min
May 20, 11:58 AM EDTSpecial Marine WarningCHS92 min
May 20, 12:09 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston66 min
May 20, 12:15 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston90 min
May 20, 12:16 PM EDTSpecial Marine WarningCHS89 min
May 20, 12:34 PM EDTSpecial Weather StatementCHSCharleston41 min
May 20, 1:14 PM EDTSevere Thunderstorm WarningCHSCharleston61 min
May 20, 1:31 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston89 min
May 20, 1:44 PM EDTSpecial Marine WarningCHS61 min
May 20, 2:16 PM EDTSpecial Weather StatementCHSGeorgetown29 min
May 20, 2:23 PM EDTAreal Flood AdvisoryCHSCharleston82 min
May 20, 3:40 PM EDTSmall Craft AdvisoryCHS45 hr
May 20, 6:17 PM EDTSpecial Weather StatementCHSLong28 min
May 20, 6:43 PM EDTSpecial Weather StatementCHSLong47 min
May 20, 7:03 PM EDTSevere Thunderstorm WarningCHSBryan, Liberty, Long42 min
May 20, 7:12 PM EDTSpecial Weather StatementCHSEvans48 min

Nearby

River Flood Warnings in South Carolina, 2020Every river 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; the gauge from the NWS water service and the USGS.