Alert archive / South Carolina / River Flood Warnings in 2020

River Flood Warning 25, NWS Charleston, SC

April 27, 2020Berkeley County, Georgetown County, Williamsburg County, South Carolina

NWS Charleston, SC issued this river flood warning at Apr 27, 2020, 8:36 PM EDT for Berkeley County, Georgetown County, Williamsburg County, South Carolina. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2020, 8:36 PM EDT (00:36 UTC)
Expired
Apr 28, 2020, 2:00 PM EDT
In force
17 hr
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 00:35 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 10.64 ft at Apr 26, 2020, 8:00 PM EDT.

actionminormoderate101504/2704/2804/29
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 2:55 PM EDTSmall Craft AdvisoryCHS3 days
Apr 28, 4:19 PM EDTRiver Flood WarningCHSAllendale66 hr

Nearby

River Flood Warnings in South Carolina, 2020Every river flood warning in 2020

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.