Alert archive / South Carolina / Flash Flood Warnings in 2015

Flash Flood Warning 6, NWS Columbia, SC

June 4, 20157 counties in South Carolina; Richmond County, Georgia

NWS Columbia, SC issued this flash flood warning at Jun 4, 2015, 2:22 AM EDT for 7 counties in South Carolina; Richmond County, Georgia. It was in force for 3 hr. 7 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, 2:22 AM EDT (06:22 UTC)
Expired
Jun 4, 2015, 5:15 AM EDT
In force
3 hr
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Flood severity
None

Counties Richmond County, GA, Aiken County, SC, Calhoun County, SC, Kershaw County, SC, Lexington County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 32 km from the middle of the area, began a volume at 06:24 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, 2:48 AM EDTFLASH FLOOD2 Se Lexington, SCSC HIGHWAY PATROL REPORTED ROADWAY FLOODING AT THE INTERSECTION OF EMANUEL CHURCH ROAD AND TWO NOTCH ROAD.
Jun 4, 2:57 AM EDTFLASH FLOOD2 Wnw Augusta, GARICHMOND COUNTY DISPATCH REPORTED SEVERAL ROADS CLOSED IN AUGUSTA DUE TO FLOODING INCLUDING WRIGHTSBORO ROAD AND HIGHLAND AVENUE.
Jun 4, 2:58 AM EDTFLASH FLOODColumbia, SCSC HIGHWAY PATROL REPORTED FLOODING AT THE JOHN C CALHOUN BUILDING NEAR THE SC STATE HOUSE.
Jun 4, 3:07 AM EDTFLASH FLOODColumbia, SCBROADCAST MEDIA REPORTED SEVERAL FLOODED ROADS IN DOWNTOWN COLUMBIA SC.
Jun 4, 3:15 AM EDTFLASH FLOOD1 Sse Columbia, SCUSGS RIVER GAUGE AT ROCKY BRANCH CREEK MEASURED 11.2 FEET AT 3:15 AM. FLOOD STAGE IS 7.25 FEET. INDICATES 3 TO 4 FEET OF WATER COVERING THE INTERSECTION OF MAIN STREET AND WHALEY STREET.
Jun 4, 3:34 AM EDTFLASH FLOODSpringdale, SCSC HIGHWAY PATROL REPORTED MULTIPLE FLOODED ROADWAYS IN SPRINGDALE SC.
Jun 4, 3:36 AM EDTFLASH FLOOD1 Wnw Cayce, SCSC HIGHWAY PATROL REPORTED ROADWAY FLOODING ON CHARLESTON HIGHWAY NEAR CAYCE.

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, 6.4 hours before the alert went out and 154 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°0°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.

087 
WGUS52 KCAE 040622
FFWCAE
GAC245-SCC003-017-055-063-075-079-085-040915-
/O.NEW.KCAE.FF.W.0006.150604T0622Z-150604T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL RICHMOND COUNTY IN EAST CENTRAL GEORGIA...
  NORTHWESTERN CALHOUN COUNTY IN CENTRAL SOUTH CAROLINA...
  AIKEN COUNTY IN CENTRAL SOUTH CAROLINA...
  LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA...
  WEST CENTRAL SUMTER COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTHWESTERN KERSHAW COUNTY IN CENTRAL SOUTH CAROLINA...
  RICHLAND COUNTY IN CENTRAL SOUTH CAROLINA...
  NORTHWESTERN ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA...

* UNTIL 515 AM EDT
    
* AT 222 AM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COLUMBIA...AIKEN...NORTH AUGUSTA...LEXINGTON...WEST COLUMBIA...
  CAYCE...IRMO...FOREST ACRES...CAMDEN...SPRINGDALE...BELVEDERE...ST.
  ANDREWS...AUGUSTA...FORT GORDON...DENTSVILLE...OAK GROVE...
  CLEARWATER...WOODFIELDS...RED BANK AND SOUTH CONGAREE.

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 3394 8133 3422 8117 3430 8062 3378 8060
      3348 8132 3349 8138 3341 8148 3325 8185
      3340 8224

$$
1 follow-up statement
708 
WGUS72 KCAE 040859
FFSCAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
459 AM EDT THU JUN 4 2015

GAC245-SCC003-017-055-063-075-079-085-040909-
/O.CAN.KCAE.FF.W.0006.000000T0000Z-150604T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICHMOND GA-CALHOUN SC-AIKEN SC-LEXINGTON SC-SUMTER SC-KERSHAW SC-
RICHLAND SC-ORANGEBURG SC-
459 AM EDT THU JUN 4 2015

...THE FLASH FLOOD WARNING FOR CENTRAL RICHMOND...NORTHWESTERN
CALHOUN...AIKEN...LEXINGTON...WEST CENTRAL SUMTER...SOUTHWESTERN
KERSHAW...RICHLAND AND NORTHWESTERN ORANGEBURG COUNTIES IS
CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 3394 8133 3422 8117 3430 8062 3378 8060
      3348 8132 3349 8138 3341 8148 3325 8185
      3340 8224

$$

SJN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 8:23 PM EDTAreal Flood AdvisoryCAEEdgefield, McCormick3 hr
Jun 3, 8:56 PM EDTSpecial Weather StatementCAEEdgefield, McCormick64 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, 12:34 AM EDTFlash Flood WarningCAEAiken, Edgefield, Lexington, McCormick, Saluda116 min
Jun 4, 3:31 AM EDTAreal Flood AdvisoryCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 4 more119 min
Jun 4, 3:49 AM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Fairfield, Kershaw, Lancaster, Lexington and 4 more116 min
Jun 3, 8:40 PM EDTFlash Flood WarningCAELincoln3 hr

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.