Alert archive / South Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 11, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at Sep 2, 2016, 5:49 PM EDT for 8 counties in South Carolina. It was in force for 3 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
- Sep 2, 2016, 5:49 PM EDT (21:49 UTC)
- Expired
- Sep 2, 2016, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calhoun County, SC, Clarendon County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 41 km from the middle of the area, began a volume at 21:53 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 |
|---|---|---|---|
| Sep 2, 6:05 PM EDT | FLASH FLOOD | 5 Nw Summerton, SC | ROADWAY FLOODING PANOLA RD AND AT HARDWOOD DRIVE. |
| Sep 2, 6:33 PM EDT | FLASH FLOOD | 2 W Swansea, SC | ROADWAY WASHED OUT, JONES WIRE ROAD IN LEXINGTON COUNTY. |
| Sep 2, 6:55 PM EDT | FLASH FLOOD | Sumter, SC | MEDIA REPORTED FLOODING ON SASSAFRAS DRIVE IN SUMTER, SC. WATER IS AROUND 1-2 FT HIGH AND COVERING ENTIRE ROADWAY. APPEARED IMPASSABLE FROM VIDEO. . |
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, 9.8 hours before the alert went out and 136 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
- 253 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.9
The text
As transmitted.
181
WGUS52 KCAE 022149
FFWCAE
SCC017-027-055-061-063-075-079-085-030045-
/O.NEW.KCAE.FF.W.0011.160902T2149Z-160903T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
549 PM EDT FRI SEP 2 2016
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KERSHAW COUNTY IN CENTRAL SOUTH CAROLINA...
ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA...
CALHOUN COUNTY IN CENTRAL SOUTH CAROLINA...
RICHLAND COUNTY IN CENTRAL SOUTH CAROLINA...
LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA...
LEE COUNTY IN CENTRAL SOUTH CAROLINA...
CLARENDON COUNTY IN CENTRAL SOUTH CAROLINA...
SUMTER COUNTY IN CENTRAL SOUTH CAROLINA...
* UNTIL 845 PM EDT
* AT 543 PM EDT...DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN
ACROSS THE WARNED AREA. RAINFALL AMOUNTS BETWEEN 2 AND 5 INCHES
HAVE FALLEN IN THE PAST 3 HOURS. FLASH FLOODING IS OCCURRING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLUMBIA...SUMTER...LEXINGTON...WEST COLUMBIA...ORANGEBURG...
CAYCE...IRMO...FOREST ACRES...CAMDEN...MANNING...BISHOPVILLE...
SPRINGDALE...ST.
ANDREWS...DENTSVILLE...BROOKDALE...OAK GROVE...WOODFIELDS...BATESBURG...
SOUTH SUMTER AND RED BANK.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA BEFORE ENDING THIS EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3330 8025 3326 8043 3333 8051 3320 8075
3349 8138 3365 8119 3388 8157 3424 8132
3418 8118 3427 8083 3438 8077 3446 8087
3454 8074 3448 8074 3449 8055 3462 8041
3434 8021 3437 8018 3414 8015 3389 7988
$$
LMThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 9:05 PM EDT | High Wind Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Clarendon, Lee and 3 more | 25 hr |
| Sep 2, 12:31 AM EDT | Areal Flood Advisory | CAE | Fairfield, Kershaw, Lexington, Newberry, Richland, Saluda and 1 more | 119 min |
| Sep 2, 3:54 AM EDT | Wind Advisory | CAE | Chesterfield, Edgefield, Fairfield, Kershaw, McCormick, Newberry and 1 more | 17 hr |
| Sep 2, 11:56 AM EDT | Flash Flood Warning | CAE | Bamberg, Barnwell, Calhoun, Clarendon, Orangeburg | 4 hr |
| Sep 2, 12:58 PM EDT | Tornado Warning | CAE | Lee, Sumter | 23 min |
| Sep 2, 1:24 PM EDT | Areal Flood Advisory | CAE | Calhoun, Clarendon, Lexington, Richland, Sumter | 111 min |
| Sep 2, 3:07 PM EDT | Flash Flood Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Clarendon, Lexington and 3 more | 3 hr |
| Sep 2, 4:27 PM EDT | River Flood Warning | CAE | Orangeburg | 4 days |
Nearby
Flash Flood Warnings in South Carolina, 2016Every flash flood warning in 2016
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.