Alert archive / South Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS Columbia, SC

July 2, 2003Lee County, South Carolina

NWS Columbia, SC issued this flash flood warning at Jul 2, 2003, 7:10 AM EDT for Lee County, South Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 2, 2003, 7:10 AM EDT (11:10 UTC)
Expired
Jul 2, 2003, 10:00 AM EDT
In force
3 hr
Issued by
NWS Columbia, SC
Area
Counties, with a storm outline in the text

County Lee County, SC

The radar

The Columbia radar (KCAE), 80 km from the middle of the area, began a volume at 11:09 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 11.2 hours before the alert went out and 139 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 2003-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 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 2003-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.193958Sfc1 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
257 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KCAE 021111
FFWCAE
SCC061-021400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
710 AM EDT WED JUL 2 2003

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
    LEE COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 1000 AM EDT.

* AT 700 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  A LINE OF THUNDERSTORMS MOVING THROUGH LEE COUNTY. THESE STORMS 
  ARE PRODUCING HEAVY RAIN IN NORTHERN LEE COUNTY. IN ADDITION...RAINFALL
  AMOUNTS OF 3 TO 4 INCHES FELL IN KERSHAW COUNTY DURING THE PAST
  SIX HOURS. RUNOFF FROM THIS HEAVY RAIN WILL FLOOD THE LYNCHES RIVER.
  HIGHWAY 14 HAS 4 TO 6 INCHES OF WATER ON THE ROAD AND THERE ARE
  SEVERAL STALLED CARS. FLOODING ACROSS A LARGE PORTION OF LEE COUNTY
  IS EXPECTED TO WORSEN DURING THE NEXT FEW HOURS.


A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

REPORT ANY HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF

LAT...LON 3415 8049 3395 8019 3404 8001 3437 8022

$$
AWP/CDL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 10:38 PM EDTFlash Flood WarningCAEBarnwell, Orangeburg2 hr
Jul 1, 10:59 PM EDTTornado WarningCAEBarnwell31 min
Jul 2, 12:49 AM EDTSevere Thunderstorm WarningCAERichland41 min
Jul 2, 12:52 AM EDTTornado WarningCAEOrangeburg38 min
Jul 2, 1:40 AM EDTSevere Thunderstorm WarningCAEKershaw, Sumter50 min
Jul 2, 1:47 AM EDTSevere Thunderstorm WarningCAEClarendon, Orangeburg43 min
Jul 2, 2:36 AM EDTSevere Thunderstorm WarningCAEClarendon39 min
Jul 2, 2:43 AM EDTTornado WarningCAEClarendon47 min

Nearby

Flash Flood Warnings in South Carolina, 2003Every flash flood warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.