Flash Flood Warning 17, NWS Columbia, SC

Issued

Aug 6, 2003, 6:40 PM EDT (22:40 UTC)

Expired

Aug 6, 2003, 9:00 PM EDT

In force

2 hr

Issued by

NWS Columbia, SC

Area

Counties, with a storm outline in the text

County Lexington County, SC

The Columbia radar (KCAE), 10 km from the middle of the area, began a volume at 22:40 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.

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WGUS52 KCAE 062245
FFWCAE
SCC063-070100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
640 PM EDT WED AUG 6 2003

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
    SOUTHEASTERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 900 PM EDT.

* AT 640 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING 
IN GASTON. A SECTION OF US HIGHWAY 321 IN GASTON WAS CLOSED. RADAR 
HAD ESTIMATED RAINFALL AMOUNTS IN EXCESS OF FOUR INCHES ACROSS 
PORTIONS OF SOUTHEAST LEXINGTON COUNTY. ADDITIONAL RAINFALL IS 
EXPECTED IN THIS REGION THROUGH 800 PM...LIKELY PROVIDING ADDITIONAL 
RAINFALL AMOUNTS OVER ONE INCH.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR THE FOLLOWING
LOCATIONS...
    PINE RIDGE.
    SOUTH CONGAREE.
    EDMUND.
    GASTON.

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 3394 8115 3389 8102 3371 8108 3381 8132

NWS Columbia, SC wrote its last area forecast discussion before this flash flood warning went out at Aug 6, 3:00 PM EDT, 3 hours 40 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
300 PM EDT WED AUG 6 2003

DISC:  18Z SURFACE ANALYSIS SHOWS A WEAK TROF ACROSS THE MIDLANDS
THIS AFTERNOON...WITH A SLIGHTLY STRONGER TROF TO OUR NORTHWEST.

SATELLITE SHOWS PARTLY SUNNY SKIES ACROSS THE AREA THIS AFTERNOON.
88D SHOWS SHRA/TSRA HAVE DEVELOPED EARLY THIS AFTERNOON ACROSS THE
AREA...REGIONAL COMPOSITE SHOWS LARGE AREA OF SHRA/TSRA ACROSS
AL/GA. BOTH GFS/ETA IN GOOD AGREEMENT WITH OVERALL PATTERN TRENDS
THROUGH THE WEEKEND ACROSS THE AREA. RIDGE/TROF SETUP CONTINUES
THROUGH WEEKEND. SHORTWAVE ASSOCIATED WITH ACTIVITY ACROSS GA/SC
FORECASTED TO MOVE EASTWARD THIS AFTERNOON/OVERNIGHT. EXPECT SOME OF
THIS ACTIVITY TO MAKE IT TO CWA. EXPECT ADDITIONAL WIDELY/SCATTERED
SHRA/TSRA THIS AFTERNOON/EVENING. ANOTHER SLIGHTLY STRONGER
SHORTWAVE TO APPROACH FROM THE WEST LATE THURSDAY/NIGHT...EXPECT
ADDITIONAL SHRA/TSRA THURSDAY/NIGHT. MODELS SHOW THIS SHORTWAVE
SLOWLY WORKS ITS WAY ACROSS THE AREA ON FRIDAY. AT THE SURFACE...A
WEAK TROF OF LOW PRESSURE WILL REMAIN ACROSS THE AREA AND BY FRIDAY
BOTH GFS/ETA SHOW WEAK LOW ACROSS THE AREA. WILL STAY CLOSE TO
GUIDANCE AND LOCAL EQUATIONS FOR POPS AND NEAR/SLIGHTLY BELOW FOR
MAXES/MINS EACH DAY.

EXTENDED...MRF SHOWS RIDGE WEST/TROF EAST CONTINUES INTO THE
WEEKEND...THEN RIDGING TRIES TO BUILD IN FROM THE EAST EARLY/MID
NEXT WEEK. EXPECT TEMPERATURES/PRECIPITATION TO BE BACK CLOSER TO
NORMAL.

FCSTID =   77
CAE   73  87  72  88 /  50  60  50  50
AGS   71  87  70  89 /  50  60  50  50
SSC   73  87  72  88 /  50  60  50  50
OGB   72  87  71  88 /  50  60  50  50

.CAE...
GA...NONE.
SC...NONE.

LCV

SCZ015-016-018-020>022-025>031-035>038-041-GAZ040-063>065-
077-061200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
500 AM EDT WED AUG 6 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA
AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA.

.DAY ONE...
A WARM UNSTABLE AIRMASS WILL BE IN PLACE OVER THE FORECAST AREA
TODAY. AN UPPER LEVEL DISTURBANCE WILL MOVE EAST INTO THE AREA
TONIGHT. THIS WILL RESULT IN SCATTERED AFTERNOON AND EVENING
THUNDERSTORMS A FEW OF WHICH WILL BE CAPABLE OF PRODUCING DIME SIZE
HAIL AND WIND GUSTS TO 60 MPH.

.DAYS TWO THROUGH SEVEN...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON OR EVENING.

RCC

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

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.