Alert archive / South Carolina / Flash Flood Warnings in 2023
Flash Flood Warning 2, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at Jun 20, 2023, 5:31 PM EDT for Aiken County, Edgefield County, South Carolina; Columbia County, Richmond County, Georgia. It was in force for 119 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 20, 2023, 5:31 PM EDT (21:31 UTC)
- Expired
- Jun 20, 2023, 7:30 PM EDT
- In force
- 119 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Columbia County, GA, Richmond County, GA, Aiken County, SC, Edgefield County, SC
The radar
The Columbia radar (KCAE), 99 km from the middle of the area, began a volume at 21:32 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 5:35 PM EDT | FLASH FLOOD | 3 Nnw Martinez, GA | Skywarn net controller report of at least 8 inches of water over roadway near the intersection of Fury Ferry & Southern Pine Road. Possible pond overflowing onto roadway. |
| Jun 20, 5:50 PM EDT | FLASH FLOOD | 2 W Augusta Daniel Fiel, GA | Trained spotter reported overflowing parking lot caused road damage from wash out close to the library near North Leg Road (Jackson Road). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.5 hours before the alert went out and 202 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 296 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 860 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
980
WGUS52 KCAE 202131
FFWCAE
GAC073-245-SCC003-037-202330-
/O.NEW.KCAE.FF.W.0002.230620T2131Z-230620T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Columbia SC
531 PM EDT Tue Jun 20 2023
The National Weather Service in Columbia has issued a
* Flash Flood Warning for...
East Central Columbia County in east central Georgia...
Northeastern Richmond County in east central Georgia...
West Central Aiken County in central South Carolina...
South Central Edgefield County in central South Carolina...
* Until 730 PM EDT.
* At 531 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
North Augusta, Evans, Martinez, Augusta, Belvedere, Augusta
National Golf Club, Daniel Field, Summerville, Village Plaza
Shopping Center, Midtown, Augusta Mall, Glendale, Westover
Memorial Park, Westwick, Waverly, Forest Hills, Village at
Riverwatch Shopping Center, Eisenhower Park, Savannah Bluffs
Heritage Preserve and Harrisburg.
This includes the following highways...
Interstate 520 in South Carolina between mile markers 17 and 19.
Interstate 20 in South Carolina between mile markers 0 and 3.
Interstate 20 in Georgia between mile markers 194 and 201.
Interstate 520 in Georgia between mile markers 1 and 8.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Most flooding deaths occur in vehicles. Never drive through a
flooded roadway or around barricades. Turn around, don't drown.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3356 8214 3357 8214 3358 8213 3358 8212
3358 8206 3358 8202 3358 8200 3355 8196
3352 8193 3349 8193 3347 8193 3345 8195
3343 8199 3340 8202 3340 8206 3342 8208
3344 8211 3346 8212 3353 8215
FLASH FLOOD...RADAR INDICATED
$$
HCThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 11:27 AM EDT | Areal Flood Advisory | CAE | Sumter | 2 hr |
| Jun 20, 4:58 PM EDT | Areal Flood Advisory | CAE | Aiken, Edgefield, McCormick | 2 hr |
| Jun 20, 5:41 PM EDT | Special Weather Statement | CAE | Edgefield | 49 min |
| Jun 20, 5:42 PM EDT | Severe Thunderstorm Warning | CAE | Aiken | 48 min |
| Jun 20, 6:02 PM EDT | Special Weather Statement | CAE | McCormick | 28 min |
| Jun 20, 7:16 PM EDT | Special Weather Statement | CAE | Barnwell | 44 min |
| Jun 20, 2:41 PM EDT | Special Weather Statement | CAE | McDuffie | 34 min |
| Jun 20, 4:39 PM EDT | Special Weather Statement | CAE | Columbia | 51 min |
| Jun 20, 5:14 PM EDT | Special Weather Statement | CAE | Burke | 46 min |
| Jun 20, 6:48 PM EDT | Special Weather Statement | CAE | Richmond | 27 min |
Nearby
Flash Flood Warnings in South Carolina, 2023Flash Flood Warnings in Georgia, 2023Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.