Alert archive / South Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 9, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at Sep 2, 2016, 11:56 AM EDT for 5 counties in South Carolina. It was in force for 4 hr. 1 report 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, 11:56 AM EDT (15:56 UTC)
- Expired
- Sep 2, 2016, 4:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Clarendon County, SC, Orangeburg County, SC
The radar
The Charleston,SC radar (KCLX), 69 km from the middle of the area, began a volume at 16:00 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, 2:49 PM EDT | FLASH FLOOD | 2 Nnw Orangeburg, SC | ORANGEBURG COUNTY EM REPORTS ROADWAYS CLOSED DUE TO RISING WATER FROM CREEKS DRAINING INTO CAW CAW SWAMP. ROADWAYS INCLUDE OLD RILEY/LAKESIDE DR., BROOKSIDE RD, MYERS ROAD AT CAW CAW CREEK AND THE RAILROAD CORNER WHICH IS HWY 601 & RUSSELL STREET. |
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, 3.9 hours before the alert went out and 88 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.
949
WGUS52 KCAE 021556
FFWCAE
SCC009-011-017-027-075-022000-
/O.NEW.KCAE.FF.W.0009.160902T1556Z-160902T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1156 AM EDT FRI SEP 2 2016
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA...
SOUTHERN CALHOUN COUNTY IN CENTRAL SOUTH CAROLINA...
BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA...
BAMBERG COUNTY IN CENTRAL SOUTH CAROLINA...
SOUTHWESTERN CLARENDON COUNTY IN CENTRAL SOUTH CAROLINA...
* UNTIL 400 PM EDT
* AT 1152 AM EDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED HEAVY
RAIN AND NUISANCE FLOODING ACROSS THE WARNED AREA. RAINFALL
AMOUNTS OF 3 TO 4 INCHES HAVE FALLEN. FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ORANGEBURG...BARNWELL...BAMBERG...DENMARK...BROOKDALE...
WILLISTON...BLACKVILLE...HOLLY HILL...BRANCHVILLE...BOWMAN...
ELLOREE...SANTEE...NORTH...EHRHARDT...SPRINGFIELD...HILDA...
CAMERON...NEESES...NORWAY AND EUTAWVILLE.
ADDITIONAL RAINFALL AMOUNTS OF 3 TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3312 8119 3311 8136 3316 8153 3311 8160
3312 8166 3366 8118 3370 8109 3346 8014
3345 8022 3330 8025 3327 8030 3328 8035
3326 8036 3326 8043 3329 8049 3333 8051
3313 8089 3306 8090 3310 8094 3303 8108
$$
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, 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 |
| Sep 2, 5:49 PM EDT | Flash Flood Warning | CAE | Calhoun, Clarendon, Kershaw, Lee, Lexington, Orangeburg and 2 more | 3 hr |
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.