Alert archive / South Carolina / River Flood Warnings in 2023

River Flood Warning 20, NWS Charleston, SC

April 29, 2023Berkeley County, Georgetown County, Williamsburg County, South Carolina

NWS Charleston, SC issued this river flood warning at Apr 29, 2023, 8:47 PM EDT for Berkeley County, Georgetown County, Williamsburg County, South Carolina. It took effect at Apr 30, 2023, 5:20 AM EDT. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: Apr 29, 2023, 8:47 PM EDT (00:47 UTC)
In effect from: Apr 30, 2023, 5:20 AM EDT
Expired: May 20, 2023, 8:47 PM EDT
In force: 21 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 00:48 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).

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 Apr 29, 8:25 PM EDT, 22 minutes earlier.

Area forecast discussion, Apr 29, 8:25 PM EDT, 22 minutes before

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Hazardous weather outlook, Apr 29, 4:38 PM EDT, 4 hours 9 minutes before

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In the hours before

Special weather statement, Apr 29, 4:45 PM EDT, 4 hours 2 minutes before

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Special weather statement, Apr 29, 4:48 PM EDT, 3 hours 59 minutes before

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Local storm report, Apr 29, 5:26 PM EDT, 3 hours 21 minutes before

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Special weather statement, Apr 29, 5:33 PM EDT, 3 hours 14 minutes before

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Local storm report, Apr 29, 6:52 PM EDT, 1 hour 55 minutes before

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      <p id="message2">
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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 3:05 AM EDT	Wind Advisory	CHS		13 hr
Apr 30, 7:56 AM EDT	Special Marine Warning	CHS		64 min
Apr 30, 8:33 AM EDT	Special Marine Warning	CHS		57 min
Apr 30, 9:28 AM EDT	Special Marine Warning	CHS		32 min
Apr 30, 12:19 PM EDT	Special Weather Statement	CHS	Berkeley, Charleston, Dorchester	41 min
Apr 30, 12:41 PM EDT	Special Marine Warning	CHS		94 min
Apr 30, 12:55 PM EDT	Special Weather Statement	CHS	Berkeley, Charleston	50 min
Apr 30, 1:41 PM EDT	Special Weather Statement	CHS	Georgetown	19 min
Apr 30, 6:03 PM EDT	Small Craft Advisory	CHS		3 days

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.