Alert archive / South Carolina / River Flood Warnings in 2025

River Flood Warning 23, NWS Charleston, SC

August 10, 2025Berkeley County, Georgetown County, Williamsburg County, South Carolina

NWS Charleston, SC issued this river flood warning at Aug 10, 2025, 10:08 AM EDT for Berkeley County, Georgetown County, Williamsburg County, South Carolina. It took effect at Aug 10, 2025, 4:00 PM EDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued: Aug 10, 2025, 10:08 AM EDT (14:08 UTC)
In effect from: Aug 10, 2025, 4:00 PM EDT
Expired: Aug 13, 2025, 10:00 PM EDT
In force: 3 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 14:09 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 9.88 ft at Aug 14, 2025, 10:00 PM EDT.

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 Aug 10, 5:41 AM EDT, 4 hours 27 minutes earlier.

Area forecast discussion, Aug 10, 5:41 AM EDT, 4 hours 27 minutes before

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Hazardous weather outlook, Aug 10, 5:31 AM EDT, 4 hours 37 minutes before

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In the hours before

Local storm report, Aug 10, 7:17 AM EDT, 2 hours 51 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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      <p id="message2">
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Local storm report, Aug 10, 7:40 AM EDT, 2 hours 28 minutes before

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<head>
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  <title>Service Notice</title>
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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 12:46 AM EDT	Flood Watch	CHS	Effingham	41 hr
Aug 10, 4:48 AM EDT	Areal Flood Advisory	CHS	Effingham	3 hr
Aug 10, 4:53 AM EDT	Areal Flood Advisory	CHS	Liberty, McIntosh	82 min
Aug 10, 7:06 AM EDT	Areal Flood Advisory	CHS	Liberty, Long, McIntosh	114 min
Aug 9, 8:53 PM EDT	Flash Flood Warning	CHS	Charleston	3 hr
Aug 9, 11:42 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston	2 hr
Aug 10, 4:12 AM EDT	Areal Flood Advisory	CHS	Beaufort, Jasper	5 hr
Aug 10, 7:31 AM EDT	Areal Flood Advisory	CHS	Beaufort, Jasper	119 min
Aug 10, 1:37 PM EDT	Coastal Flood Advisory	CHS		9 hr

Nearby

River Flood Warnings in South Carolina, 2025 Every river flood warning in 2025

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.