Alert archive / South Carolina / River Flood Warnings in 2023

River Flood Warning 42, NWS Columbia, SC

August 29, 2023Calhoun County, Richland County, South Carolina

NWS Columbia, SC issued this river flood warning at Aug 29, 2023, 9:43 PM EDT for Calhoun County, Richland County, South Carolina. It took effect at Aug 31, 2023, 4:24 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Aug 29, 2023, 9:43 PM EDT (01:43 UTC)
In effect from: Aug 31, 2023, 4:24 PM EDT
Expired: Aug 30, 2023, 3:38 PM EDT
In force
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Flood severity: Minor

Counties Calhoun County, SC, Richland County, SC

The radar

The Columbia radar (KCAE), 28 km from the middle of the area, began a volume at 01:45 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 Congaree River at Congaree National Park (GADS1). The gauge peaked at 8.56 ft at Aug 31, 2023, 3:00 PM EDT.

Action stage: 14 ft
Minor stage: 15 ft
Moderate stage: 18 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02169625, 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 Columbia, SC wrote its last area forecast discussion before this river flood warning went out at Aug 29, 8:05 PM EDT, 1 hour 38 minutes earlier.

Area forecast discussion, Aug 29, 8:05 PM EDT, 1 hour 38 minutes before

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Hazardous weather outlook, Aug 29, 4:58 AM EDT, 16 hours 45 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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In the hours before

Special weather statement, Aug 29, 4:16 PM EDT, 5 hours 27 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>
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</body>
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The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 29, 10:58 PM EDT	Tropical Storm Warning	CAE	Aiken, Bamberg, Barnwell, Calhoun, Clarendon, Kershaw and 5 more	27 hr
Aug 30, 2:43 PM EDT	Areal Flood Advisory	CAE	Barnwell	2 hr
Aug 30, 4:52 PM EDT	Areal Flood Advisory	CAE	Aiken, Barnwell	3 hr
Aug 30, 5:14 PM EDT	Areal Flood Advisory	CAE	Bamberg, Barnwell, Calhoun, Orangeburg	3 hr
Aug 30, 5:49 PM EDT	Areal Flood Advisory	CAE	Aiken, Calhoun, Edgefield, Lexington, Orangeburg, Richland and 1 more	3 hr
Aug 30, 6:23 PM EDT	Flash Flood Warning	CAE	Bamberg, Barnwell, Calhoun, Clarendon, Orangeburg	3 hr
Aug 30, 6:44 PM EDT	Areal Flood Advisory	CAE	Calhoun, Clarendon, Kershaw, Lee, Richland, Sumter	2 hr

Nearby

River Flood Warnings in South Carolina, 2023 Every river flood warning in 2023

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.