Alert archive / South Carolina / River Flood Warnings in 2023

River Flood Warning 33, NWS Charleston, SC

August 30, 2023Hampton County, Jasper County, South Carolina; Effingham County, Screven County, Georgia

NWS Charleston, SC issued this river flood warning at Aug 30, 2023, 9:43 PM EDT for Hampton County, Jasper County, South Carolina; Effingham County, Screven County, Georgia. It took effect at Aug 31, 2023, 2:00 PM EDT. It was in force for 20 days.

The area

The counties it named.

The facts

Issued: Aug 30, 2023, 9:43 PM EDT (01:43 UTC)
In effect from: Aug 31, 2023, 2:00 PM EDT
Expired: Sep 20, 2023, 9:43 PM EDT
In force: 20 days
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Flood severity: Moderate

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 01:42 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 Aug 30, 7:13 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Aug 30, 7:13 PM EDT, 2 hours 30 minutes before

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Hazardous weather outlook, Aug 30, 7:27 PM EDT, 2 hours 16 minutes before

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In the hours before

Local storm report, Aug 30, 7:27 PM EDT, 2 hours 16 minutes before

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Local storm report, Aug 30, 7:29 PM EDT, 2 hours 14 minutes before

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Local storm report, Aug 30, 7:31 PM EDT, 2 hours 12 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Aug 30, 7:34 PM EDT, 2 hours 9 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <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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Local storm report, Aug 30, 7:41 PM EDT, 2 hours 2 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      </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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Local storm report, Aug 30, 7:58 PM EDT, 1 hour 45 minutes before

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      <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 30, 8:23 PM EDT	Areal Flood Advisory	CHS	Allendale	82 min
Aug 30, 9:42 PM EDT	River Flood Warning	CHS	Berkeley, Georgetown, Williamsburg	21 days
Aug 30, 9:50 PM EDT	River Flood Warning	CHS	Charleston, Colleton, Dorchester	11 days
Aug 30, 10:00 PM EDT	Areal Flood Warning	CHS	Colleton, Hampton	6 hr
Aug 31, 2:42 AM EDT	Lake Wind Advisory	CHS	Berkeley	9 hr
Aug 31, 4:22 AM EDT	Small Craft Advisory	CHS		13 hr
Aug 31, 7:52 PM EDT	Coastal Flood Advisory	CHS		3 hr

Nearby

River Flood Warnings in South Carolina, 2023 River Flood Warnings in Georgia, 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.