Alert archive / South Carolina / River Flood Warnings in 2023

River Flood Warning 23, NWS Columbia, SC

March 27, 2023Calhoun County, Richland County, South Carolina

NWS Columbia, SC issued this river flood warning at Mar 27, 2023, 10:04 AM EDT for Calhoun County, Richland County, South Carolina. It took effect at Mar 29, 2023, 2:00 AM EDT. It was in force for 63 hr.

The area

The counties it named.

The facts

Issued: Mar 27, 2023, 10:04 AM EDT (14:04 UTC)
In effect from: Mar 29, 2023, 2:00 AM EDT
Expired: Mar 31, 2023, 5:00 PM EDT
In force: 63 hr
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 14:05 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).

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 Mar 27, 7:17 AM EDT, 2 hours 47 minutes earlier.

Area forecast discussion, Mar 27, 7:17 AM EDT, 2 hours 47 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, Mar 27, 5:00 AM EDT, 5 hours 4 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>

In the hours before

Local storm report, Mar 27, 8:20 AM EDT, 1 hour 44 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>

Local storm report, Mar 27, 9:35 AM EDT, 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 Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 26, 8:53 PM EDT	Special Weather Statement	CAE	McCormick	22 min
Mar 26, 9:07 PM EDT	Special Weather Statement	CAE	Newberry	23 min
Mar 26, 9:23 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, McCormick, Saluda	37 min
Mar 26, 9:57 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, Lexington, Saluda	33 min
Mar 26, 10:20 PM EDT	Tornado Warning	CAE	Aiken, Lexington	25 min
Mar 26, 10:44 PM EDT	Tornado Warning	CAE	Aiken, Lexington, Orangeburg	31 min
Mar 26, 11:13 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Orangeburg, Richland	32 min
Mar 26, 11:41 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Lexington, Richland, Sumter	49 min
Mar 27, 12:01 AM EDT	Flash Flood Warning	CAE	Lexington, Richland	119 min
Mar 27, 12:35 AM EDT	Special Weather Statement	CAE	Sumter	25 min
Mar 27, 3:46 AM EDT	River Flood Warning	CAE	Edgefield, McCormick	62 hr
Mar 27, 9:57 AM EDT	Areal Flood Advisory	CAE	Aiken, Bamberg, Barnwell, Orangeburg	3 hr
Mar 27, 10:04 AM EDT	River Flood Warning	CAE	Orangeburg	6 days
Mar 27, 10:58 AM EDT	Areal Flood Advisory	CAE	Clarendon, Richland, Sumter	2 hr
Mar 26, 11:29 PM EDT	Special Weather Statement	CAE	Columbia, McDuffie, Richmond	46 min

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.