Alert archive / South Carolina / Flash Flood Warnings in 2014

Flash Flood Warning 6, NWS Columbia, SC

June 24, 2014Aiken County, Edgefield County, South Carolina; Columbia County, Richmond County, Georgia

NWS Columbia, SC issued this flash flood warning at Jun 24, 2014, 8:24 PM EDT for Aiken County, Edgefield County, South Carolina; Columbia County, Richmond County, Georgia. It was in force for 111 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 24, 2014, 8:24 PM EDT (00:24 UTC)
Expired
Jun 24, 2014, 10:15 PM EDT
In force
111 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Flood severity
None

Counties Columbia County, GA, Richmond County, GA, Aiken County, SC, Edgefield County, SC

The radar

The Columbia radar (KCAE), 109 km from the middle of the area, began a volume at 00:27 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 24, 9:00 PM EDTFLASH FLOOD1 Sw Augusta, GAFLASH FLOODING REPORTED ALONG PORTIONS OF OLIVE ROAD
Jun 24, 9:00 PM EDTFLASH FLOOD4 Wnw Augusta, GAFLASH FLOODING REPORTED AT WRIGHTSBORO ROAD AND JACKSON ROAD
Jun 24, 9:15 PM EDTFLASH FLOOD2 Ene Augusta, GAFLASH FLOODING REPORTED AT BROAD STREET AND 4TH 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 00:00Z, 0.4 hours before the alert went out and 209 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 2014-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1488 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1488 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
937 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

036 
WGUS52 KCAE 250024
FFWCAE
GAC073-245-SCC003-037-250215-
/O.NEW.KCAE.FF.W.0006.140625T0024Z-140625T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
824 PM EDT TUE JUN 24 2014

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA...
  THIS INCLUDES THE CITIES OF...NORTH AUGUSTA...CLEARWATER...
  BELVEDERE...
  SOUTHERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTHERN COLUMBIA COUNTY IN EAST CENTRAL GEORGIA...
  THIS INCLUDES THE CITIES OF...MARTINEZ...GROVETOWN...EVANS...
  RICHMOND COUNTY IN EAST CENTRAL GEORGIA...
  THIS INCLUDES THE CITIES OF...FORT GORDON...AUGUSTA...

* UNTIL 1015 PM EDT

* AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM A CLUSTER OF THUNDERSTORMS OVER THE WARNED 
AREA.  RAINFALL AMOUNTS OF OVER 2 INCHES IN A SHORT PERIOD OF TIME 
WILL REMAIN POSSIBLE WITH THE STRONGEST STORMS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
HARLEM...AUGUSTA...NORTH AUGUSTA...AND MARTINEZ.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE

WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV OR EMAIL US 
AT CAEWX@NOAA.GOV TO RELAY SEVERE WEATHER REPORTS.

&&

LAT...LON 3351 8233 3361 8215 3359 8213 3362 8210
      3363 8196 3357 8190 3349 8185 3340 8184
      3329 8216 3330 8218 3327 8228 3334 8231
      3336 8230 3341 8234

$$
1 follow-up statement
134 
WGUS72 KCAE 250105
FFSCAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
905 PM EDT TUE JUN 24 2014

GAC073-245-SCC003-037-250215-
/O.CON.KCAE.FF.W.0006.000000T0000Z-140625T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICHMOND GA-COLUMBIA GA-EDGEFIELD SC-AIKEN SC-
905 PM EDT TUE JUN 24 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR
AIKEN...EDGEFIELD...COLUMBIA AND RICHMOND COUNTIES...

AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
AUGUSTA...MARTINEZ...EVANS...NORTH AUGUSTA...CLEARWATER AND 
BELVEDERE.  THE HEAVIEST RAINFALL IS MOVING EAST OF THE AREA...BUT 
LIGHT TO MODERATE RAINFALL WILL CONTINUE THROUGH 1015 PM.  LOCALIZED 
FLOODING WILL REMAIN POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE

WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV OR EMAIL US
AT CAEWX@NOAA.GOV

TO RELAY SEVERE WEATHER REPORTS.

&&

LAT...LON 3351 8233 3361 8215 3359 8213 3362 8210
      3363 8196 3357 8190 3349 8185 3340 8184
      3329 8216 3330 8218 3327 8228 3334 8231
      3336 8230 3341 8234

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 9:49 PM EDTAreal Flood AdvisoryCAECalhoun, Orangeburg116 min
Jun 24, 11:15 PM EDTAreal Flood AdvisoryCAECalhoun, Lexington, Orangeburg, Richland60 min

Nearby

Flash Flood Warnings in South Carolina, 2014Flash Flood Warnings in Georgia, 2014Every flash flood warning in 2014

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.