Alert archive / South Carolina / River Flood Warnings in 2020

River Flood Warning 19, NWS Charleston, SC

April 18, 2020Hampton County, Jasper County, South Carolina; Effingham County, Screven County, Georgia

NWS Charleston, SC issued this river flood warning at Apr 18, 2020, 9:39 PM EDT for Hampton County, Jasper County, South Carolina; Effingham County, Screven County, Georgia. It took effect at Apr 19, 2020, 8:00 AM EDT. It was in force for 25 days.

The area

The counties it named.

The facts

Issued
Apr 18, 2020, 9:39 PM EDT (01:39 UTC)
In effect from
Apr 19, 2020, 8:00 AM EDT
Expired
May 14, 2020, 9:22 AM EDT
In force
25 days
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Flood severity
Minor

Counties Effingham County, GA, Screven County, GA, Hampton County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 24 km from the middle of the area, began a volume at 01:37 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 Savannah River near Clyo (CLYG1).

Action stage
10 ft
Minor stage
11 ft
Moderate stage
15 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02198500, 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 Apr 18, 8:51 PM EDT, 48 minutes earlier.

Area forecast discussion, Apr 18, 8:51 PM EDT, 48 minutes before
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Hazardous weather outlook, Apr 18, 4:27 PM EDT, 5 hours 12 minutes before
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<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
Apr 19, 3:30 AM EDTGale WatchCHS12 hr
Apr 19, 3:30 AM EDTSmall Craft AdvisoryCHS41 hr
Apr 19, 12:20 PM EDTSpecial Weather StatementCHSBeaufort40 min
Apr 19, 12:29 PM EDTSevere Thunderstorm WarningCHSBeaufort61 min
Apr 19, 12:40 PM EDTSpecial Marine WarningCHS68 min
Apr 19, 3:50 PM EDTGale WarningCHS22 hr
Apr 19, 7:26 PM EDTFlash Flood WatchCHSAllendale, Hampton11 hr
Apr 19, 9:33 AM EDTRiver Flood WarningCHSTattnall, Toombs16 days
Apr 19, 12:52 PM EDTSpecial Weather StatementCHSCandler, Evans23 min
Apr 19, 1:10 PM EDTSpecial Weather StatementCHSBulloch, Candler35 min
Apr 19, 1:23 PM EDTTornado WarningCHSBryan, Bulloch, Evans14 min
Apr 19, 6:37 PM EDTSpecial Weather StatementCHSMcIntosh53 min

Nearby

River Flood Warnings in South Carolina, 2020River Flood Warnings in Georgia, 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.