Alert archive / South Carolina / Flash Flood Warnings in 2015

Flash Flood Warning 5, NWS Columbia, SC

June 4, 2015Columbia County, Lincoln County, McDuffie County, Georgia; 5 counties in South Carolina

NWS Columbia, SC issued this flash flood warning at Jun 4, 2015, 12:34 AM EDT for Columbia County, Lincoln County, McDuffie County, Georgia; 5 counties in South Carolina. It was in force for 116 min. 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
Jun 4, 2015, 12:34 AM EDT (04:34 UTC)
Expired
Jun 4, 2015, 2:30 AM EDT
In force
116 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Flood severity
None

Counties Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Aiken County, SC, Edgefield County, SC, Lexington County, SC, McCormick County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 86 km from the middle of the area, began a volume at 04:36 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

TimeReportWhereRemark
Jun 4, 1:15 AM EDTFLASH FLOODGilbert, SCLEXINGTON COUNTY DISPATCH REPORTED HEAVY RAIN AND ROADWAY FLOODING IN THE TOWN OF GILBERT.
Jun 4, 1:16 AM EDTFLASH FLOOD4 Ene Gilbert, SCSC HIGHWAY PATROL REPORTED ROADWAY FLOODING AT THE INTERSECTION OF CALKS FERRY ROAD AND FOX BRANCH ROAD.
Jun 4, 2:25 AM EDTFLASH FLOOD1 Nne Martinez, GAPUBLIC REPORTED ROADWAY FLOODING OVER SOCIAL MEDIA IN MARTINEZ GA. SMALL HAIL WAS ALSO REPORTED.

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 00:00Z, 4.6 hours before the alert went out and 213 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 00:00Z on 2015-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 627 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2015-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
627 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

998 
WGUS52 KCAE 040434
FFWCAE
GAC073-181-189-SCC003-037-063-065-081-040630-
/O.NEW.KCAE.FF.W.0005.150604T0434Z-150604T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1234 AM EDT THU JUN 4 2015

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL GEORGIA...
  MCDUFFIE COUNTY IN EAST CENTRAL GEORGIA...
  COLUMBIA COUNTY IN EAST CENTRAL GEORGIA...
  SOUTHEASTERN MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA...
  NORTHWESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTHWESTERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTHEASTERN SALUDA COUNTY IN CENTRAL SOUTH CAROLINA...
  EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA...

* UNTIL 230 AM EDT
    
* AT 1232 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN ACROSS THE WARNED AREA. A LINE OF THUNDERSTORMS WILL 
  DEVELOP FROM THE CSRA TO LEXINGTON COUNTY. VERY HEAVY RAIN IS 
  EXPECTED OVER THE NEXT COUPLE OF HOURS. RADAR ESTIMATED 2 TO 3 
  INCHES IN A FEW AREAS AND ADDITIONAL RAINFALL IS LIKELY. FLASH 
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NORTH AUGUSTA...LEXINGTON...CAYCE...EVANS...THOMSON...SPRINGDALE...
  BATESBURG...MARTINEZ...RED BANK...BATESBURG-LEESVILLE...
  EDGEFIELD...JOHNSTON...SOUTH CONGAREE...PINE RIDGE...RIDGE
  SPRING...LEESVILLE...GILBERT...DEARING...SUMMIT AND MONETTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...ALSO USE WWW.FACEBOOK.COM/NWSCOLUMBIA AND EMAIL
CAEWX@NOAA.GOV TO RELAY SEVERE WEATHER REPORTS.
&&

LAT...LON 3366 8251 3365 8249 3366 8249 3408 8142
      3407 8139 3409 8139 3411 8133 3387 8106
      3336 8253 3358 8264 3360 8264

$$
AWP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 8:23 PM EDTAreal Flood AdvisoryCAEColumbia, Lincoln3 hr
Jun 3, 8:40 PM EDTFlash Flood WarningCAELincoln3 hr
Jun 3, 8:56 PM EDTSpecial Weather StatementCAELincoln64 min
Jun 4, 2:22 AM EDTFlash Flood WarningCAERichmond3 hr
Jun 4, 3:49 AM EDTAreal Flood AdvisoryCAEColumbia, Lincoln, McDuffie, Richmond116 min
Jun 3, 11:31 PM EDTAreal Flood AdvisoryCAENewberry, Saluda119 min
Jun 3, 11:42 PM EDTFlash Flood WarningCAENewberry, Saluda3 hr
Jun 3, 11:54 PM EDTAreal Flood AdvisoryCAECalhoun, Lexington, Richland2 hr
Jun 4, 12:23 AM EDTFlash Flood WarningCAELexington, Richland2 hr
Jun 4, 3:31 AM EDTAreal Flood AdvisoryCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 4 more119 min

Nearby

Flash Flood Warnings in South Carolina, 2015Flash Flood Warnings in Georgia, 2015Every flash flood warning in 2015

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.