Alert archive / South Carolina / Flash Flood Warnings in 2017
Flash Flood Warning 8, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at May 22, 2017, 1:59 PM EDT for 5 counties in South Carolina. It was in force for 5 hr. 3 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
- May 22, 2017, 1:59 PM EDT (17:59 UTC)
- Expired
- May 22, 2017, 6:30 PM EDT
- In force
- 5 hr
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Aiken County, SC, Kershaw County, SC, Lexington County, SC, Richland County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 2 km from the middle of the area, began a volume at 18:02 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 |
|---|---|---|---|
| May 22, 2:17 PM EDT | FLASH FLOOD | 1 E West Columbia, SC | MULTIPLE REPORTS OF FLOODED ROADWAYS IN WEST COLUMBIA. |
| May 22, 2:40 PM EDT | FLASH FLOOD | 1 Sse Columbia, SC | COLUMBIA POLICE REPORTED FLASH FLOODING AT WHALEY STREET AND MAIN. ROCKY BRANCH CREEK IN FLOOD. |
| May 22, 3:00 PM EDT | FLASH FLOOD | 1 Ssw Woodfields, SC | FLASH FLOODING ON PERCIVAL ROAD AT NORTHSHORE ROAD AT GILLS CREEK. |
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, 6.0 hours before the alert went out and 158 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
- 292 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
781
WGUS52 KCAE 221759
FFWCAE
SCC003-055-063-079-081-222100-
/O.NEW.KCAE.FF.W.0008.170522T1759Z-170522T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Columbia SC
159 PM EDT MON MAY 22 2017
The National Weather Service in Columbia has issued a
* Flash Flood Warning for...
Central Lexington County in central South Carolina...
North central Aiken County in central South Carolina...
Southeastern Saluda County in central South Carolina...
Central Richland County in central South Carolina...
Southwestern Kershaw County in central South Carolina...
* Until 500 PM EDT
* At 158 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. One to two inches of rain has
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Columbia, Lexington, West Columbia, Cayce, Irmo, Forest Acres,
Springdale, St. Andrews, Batesburg, Red Bank, Dentsville, Oak
Grove, Woodfields, Batesburg-Leesville, South Congaree, Pine Ridge,
Arcadia Lakes, Ridge Spring, Leesville and Woodfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of the Five
Points area extending downstream along Rocky Branch Creek. This
includes the areas of Maxcy Gregg Park, areas of USC along the creek,
intersection at Pickens and Blossom, intersection at Whaley and Main
and areas of the Olympia neighborhood along the creek.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 3372 8161 3391 8170 3426 8075 3404 8060
3403 8060
$$
RJO5 follow-up statements
517
WGUS72 KCAE 221817
FFSCAE
Flash Flood Statement
National Weather Service Columbia SC
217 PM EDT MON MAY 22 2017
SCC003-055-063-079-081-222100-
/O.CON.KCAE.FF.W.0008.000000T0000Z-170522T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lexington SC-Aiken SC-Saluda SC-Richland SC-Kershaw SC-
217 PM EDT MON MAY 22 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
CENTRAL LEXINGTON...NORTH CENTRAL AIKEN...SOUTHEASTERN SALUDA...
CENTRAL RICHLAND AND SOUTHWESTERN KERSHAW COUNTIES...
At 217 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Flash flooding is expected to begin
shortly.
Some locations that will experience flooding include...
Columbia, Lexington, West Columbia, Cayce, Irmo, Forest Acres,
Springdale, St. Andrews, Batesburg, Red Bank, Dentsville, Oak Grove,
Woodfields, Batesburg-Leesville, South Congaree, Pine Ridge, Arcadia
Lakes, Ridge Spring, Leesville and Woodfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 3372 8161 3391 8170 3426 8075 3404 8060
3403 8060
$$
RJO467
WGUS72 KCAE 221925
FFSCAE
Flash Flood Statement
National Weather Service Columbia SC
325 PM EDT MON MAY 22 2017
SCC003-081-221934-
/O.CAN.KCAE.FF.W.0008.000000T0000Z-170522T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Aiken SC-Saluda SC-
325 PM EDT MON MAY 22 2017
...THE FLASH FLOOD WARNING FOR NORTH CENTRAL AIKEN AND SOUTHEASTERN
SALUDA COUNTIES IS CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 3385 8120 3405 8132 3426 8075 3404 8060
3403 8060
$$
SCC055-063-079-222100-
/O.CON.KCAE.FF.W.0008.000000T0000Z-170522T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lexington SC-Richland SC-Kershaw SC-
325 PM EDT MON MAY 22 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
CENTRAL LEXINGTON...CENTRAL RICHLAND AND SOUTHWESTERN KERSHAW
COUNTIES...
At 324 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Flash flooding is expected to begin
shortly.
Some locations that will experience flooding include...
Columbia, Lexington, West Columbia, Cayce, Irmo, Forest Acres,
Springdale, Dentsville, Oak Grove, St. Andrews, Red Bank, Woodfields,
South Congaree, Pine Ridge, Arcadia Lakes, Woodfield, Fort Jackson,
Five Points and Seven Oaks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 3385 8120 3405 8132 3426 8075 3404 8060
3403 8060
$$
RJO740
WGUS52 KCAE 222048
FFWCAE
SCC055-063-079-222230-
/O.EXT.KCAE.FF.W.0008.000000T0000Z-170522T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Columbia SC
448 PM EDT MON MAY 22 2017
The National Weather Service in Columbia has extended the
* Flash Flood Warning for...
Central Lexington County in central South Carolina...
Central Richland County in central South Carolina...
Southwestern Kershaw County in central South Carolina...
* Until 630 PM EDT
* At 447 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is already
occurring.
* Some locations that will experience flooding include...
Columbia, Lexington, West Columbia, Cayce, Irmo, Forest Acres,
Springdale, Dentsville, Oak Grove, St. Andrews, Red Bank,
Woodfields, South Congaree, Pine Ridge, Arcadia Lakes, Woodfield,
Fort Jackson, Five Points and Seven Oaks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
Report flooding to local law enforcement. Send reports by Facebook or
Twitter to NWSColumbia, e-mail us at caewx@noaa.gov or call 803-234-
4115.
&&
LAT...LON 3385 8120 3405 8132 3426 8075 3404 8060
3403 8060
$$
RJO308
WGUS72 KCAE 222143
FFSCAE
Flash Flood Statement
National Weather Service Columbia SC
543 PM EDT MON MAY 22 2017
SCC055-063-079-222230-
/O.CON.KCAE.FF.W.0008.000000T0000Z-170522T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lexington SC-Richland SC-Kershaw SC-
543 PM EDT MON MAY 22 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
CENTRAL LEXINGTON...CENTRAL RICHLAND AND SOUTHWESTERN KERSHAW
COUNTIES...
At 543 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Flash flooding is expected to begin
shortly.
Some locations that will experience flooding include...
Columbia, Lexington, West Columbia, Cayce, Irmo, Forest Acres,
Springdale, Dentsville, Oak Grove, St. Andrews, Red Bank, Woodfields,
South Congaree, Pine Ridge, Arcadia Lakes, Woodfield, Fort Jackson,
Five Points and Seven Oaks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 3385 8120 3405 8132 3426 8075 3404 8060
3403 8060
$$
RJO192
WGUS72 KCAE 222222
FFSCAE
Flash Flood Statement
National Weather Service Columbia SC
622 PM EDT MON MAY 22 2017
SCC055-063-079-222232-
/O.EXP.KCAE.FF.W.0008.000000T0000Z-170522T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lexington SC-Richland SC-Kershaw SC-
622 PM EDT MON MAY 22 2017
...THE FLASH FLOOD WARNING FOR CENTRAL LEXINGTON...CENTRAL RICHLAND
AND SOUTHWESTERN KERSHAW COUNTIES WILL EXPIRE AT 630 PM EDT...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures. A Flash Flood Watch remains in
effect.
LAT...LON 3385 8120 3405 8132 3426 8075 3404 8060
3403 8060
$$
RJOThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 11:16 AM EDT | Flash Flood Watch | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more | 58 hr |
| May 22, 1:47 PM EDT | Areal Flood Advisory | CAE | Fairfield, Kershaw, Lexington, Newberry, Richland, Saluda | 3 hr |
| May 22, 1:48 PM EDT | Flash Flood Warning | CAE | McCormick | 3 hr |
| May 22, 2:26 PM EDT | Special Weather Statement | CAE | Fairfield | 64 min |
| May 22, 2:34 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Newberry | 26 min |
| May 22, 3:03 PM EDT | Flash Flood Warning | CAE | Saluda | 117 min |
| May 22, 3:22 PM EDT | Severe Thunderstorm Warning | CAE | Kershaw, Sumter | 38 min |
| May 22, 4:05 PM EDT | Special Weather Statement | CAE | Aiken | 40 min |
| May 22, 4:29 PM EDT | Special Weather Statement | CAE | Lexington | 31 min |
| May 22, 4:43 PM EDT | Special Weather Statement | CAE | Lexington, Richland | 47 min |
| May 22, 5:22 PM EDT | Areal Flood Advisory | CAE | Lancaster | 113 min |
Nearby
Flash Flood Warnings in South Carolina, 2017Every flash flood warning in 2017
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.