Alert archive / South Carolina / River Flood Warnings in 2020

River Flood Warning 26, NWS Charleston, SC

April 28, 2020Allendale County, South Carolina; Screven County, Georgia

NWS Charleston, SC issued this river flood warning at Apr 28, 2020, 4:19 PM EDT for Allendale County, South Carolina; Screven County, Georgia. It took effect at Apr 29, 2020, 2:00 AM EDT. It was in force for 57 hr.

The area

The counties it named.

The facts

Issued
Apr 28, 2020, 4:19 PM EDT (20:19 UTC)
In effect from
Apr 29, 2020, 2:00 AM EDT
Expired
May 1, 2020, 10:45 AM EDT
In force
57 hr
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Flood severity
Minor

Counties Screven County, GA, Allendale County, SC

The radar

The Charleston,SC radar (KCLX), 48 km from the middle of the area, began a volume at 20:20 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 at Burton's Ferry (BFYG1). The gauge peaked at 15.15 ft at Apr 29, 2020, 9:00 PM EDT.

actionminormoderate1416182004/2804/2904/3005/0105/02
Action stage
14 ft
Minor stage
15 ft
Moderate stage
20 ft
Major stage
25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02197500, 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 27, 8:36 PM EDTRiver Flood WarningCHSBerkeley, Georgetown, Williamsburg17 hr
Apr 28, 2:55 PM EDTSmall Craft AdvisoryCHS3 days

Nearby

River Flood Warnings in South Carolina, 2020River Flood Warnings in Georgia, 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.