Alert archive / South Carolina / River Flood Advisories in 2018

River Flood Advisory 4, NWS Columbia, SC

May 28, 2018Lexington County, Richland County, South Carolina

NWS Columbia, SC issued this river flood advisory at May 28, 2018, 10:43 PM EDT for Lexington County, Richland County, South Carolina. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
May 28, 2018, 10:43 PM EDT (02:43 UTC)
Expired
May 30, 2018, 10:37 PM EDT
In force
48 hr
Issued by
NWS Columbia, SC
Area
Storm-based polygon

Counties Lexington County, SC, Richland County, SC

The radar

The Columbia radar (KCAE), 3 km from the middle of the area, began a volume at 02:47 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 Congaree River at Columbia (COLS1). The gauge peaked at 12.43 ft at May 31, 2018, 3:00 AM EDT.

actionminormoderate102005/2905/3005/3106/01
Action stage
10 ft
Minor stage
19 ft
Moderate stage
24 ft
Major stage
30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02169500, 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 advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this river flood advisory went out at May 28, 10:37 PM EDT, 6 minutes earlier.

Area forecast discussion, May 28, 10:37 PM EDT, 6 minutes before
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Hazardous weather outlook, May 28, 4:13 AM EDT, 18 hours 30 minutes before
Hazardous Weather Outlook
National Weather Service Columbia SC
413 AM EDT Mon May 28 2018

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-290815-
Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield-
McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington-
Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-
Bamberg-
413 AM EDT Mon May 28 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

This Hazardous Weather Outlook is for the Midlands of South Carolina
and the Central Savannah River area of Georgia.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

A brief, isolated tornado is possible through tonight, with the
greatest threat across the central and southern Midlands and Central
Savannah River Area.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

A brief, isolated tornado threat exists Tuesday and Tuesday night as
Alberto passes well to the west.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 3:40 PM EDTSpecial Weather StatementCAELexington50 min
May 29, 5:34 PM EDTSpecial Weather StatementCAENewberry26 min
May 29, 5:38 PM EDTSevere Thunderstorm WarningCAENewberry20 min
May 29, 6:41 PM EDTAreal Flood AdvisoryCAEEdgefield, McCormick2 hr
May 29, 7:32 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Saluda82 min

Nearby

River Flood Advisories in South Carolina, 2018Every river flood advisory in 2018

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.