Alert archive / South Carolina / Flash Flood Warnings in 2003
Flash Flood Warning 9, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Mar 20, 2003, 1:55 AM EST for Oconee County, Pickens County, South Carolina; Franklin County, Stephens County, Georgia. 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 counties it named.
The facts
- Issued
- Mar 20, 2003, 1:55 AM EST (06:55 UTC)
- Expired
- Mar 20, 2003, 5:00 AM EST
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Franklin County, GA, Stephens County, GA, Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 83 km from the middle of the area, began a volume at 06:56 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.9 hours before the alert went out and 193 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.
- Mixed-layer CAPE
- 753 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS52 KGSP 200655
FFWGSP
GAC119-257-SCC073-077-201000-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
155 AM EST THU MAR 20 2003
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
STEPHENS COUNTY IN NORTHEAST GEORGIA
FRANKLIN COUNTY IN NORTHEAST GEORGIA
PICKENS COUNTY IN UPSTATE SOUTH CAROLINA
SOUTHERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA
* UNTIL 500 AM EST
* AT 146 AM EST...WEATHER SERVICE DOPPLER RADAR INDICATED HOURLY
RAINFALL RATES OF AROUND ONE INCH WERE OCCURRING ACROSS THE AREA.
MODERATE TO HEAVY RAINFALL IS EXPECTED TO CONTINUE FOR THE NEXT
SEVERAL HOURS.
* FLOODING HAS ALREADY BEEN REPORTED IN SOME LOW LYING AND POOR
DRAINAGE AREAS. CONTINUED HEAVY RAINFALL WILL LIKELY RESULT IN
SOME CREEKS AND STREAMS COMING OUT OF THEIR BANKS...AS WELL AS
URBAN AND ROAD FLOODING IN AREAS FROM CARNESVILLE...TO SENECA...
TO EASLEY...INCLUDING THE PICKENS AND CLEMSON AREAS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE
SAFELY DRIVEN THROUGH FLOOD WATERS.
$$
LANE2 follow-up statements
000 WGUS72 KGSP 200900 FFSGSP GAC119-257-SCC073-077-200945- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 400 AM EST THU MAR 20 2003 ...A FLASH FLOOD WARNING CONTINUES UNTIL 500 AM EST FOR STEPHENS... FRANKLIN...PICKENS AND SOUTHERN OCONEE COUNTIES... ALTHOUGH HEAVIER RAINS HAVE MOVED EAST OUT OF THE WARNED AREA... LIGHT TO MODERATE RAIN WILL CONTINUE FOR THE NEXT HOUR OR TWO FROM CARNESVILLE...TO SENECA AND OAKWAY...TO PICKENS AND EASLEY. SOME SMALL STREAMS HAVE BEEN REPORTED TO BE OUT OF THEIR BANKS ACROSS PORTIONS OF PICKENS COUNTY. OTHERWISE...FLOODING HAS BEEN RELATIVELY MINOR ACROSS THIS MORNING. HOWEVER...THE GROUND IS SATURATED AND MANY RIVERS AND STREAMS ARE NEAR BANKFULL ACROSS ALL OF THE WARNED AREA. EVEN MODERATE RAINFALL COULD CAUSE ADDITIONAL FLOODING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. USE CAUTION IN OR NEAR ANY SMALL CREEK TONIGHT...AND AVOID ROUTES THAT YOU KNOW ARE FLOOD PRONE. DO NOT BECOME A FATALITY DO NOT CROSS FLOODED ROADS...THE ROAD COULD BE WASHED OUT FROM THE FLOW OF THE WATER...AND YOUR CAR COULD BE SWEPT AWAY BY THE SWIFTLY MOVING WATER. $$ LANE
000 WGUS72 KGSP 201017 FFSGSP GAC119-257-SCC073-077-201115- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 515 AM EST THU MAR 20 2003 ...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR STEPHENS... FRANKLIN...PICKENS AND OCONEE COUNTIES EXPIRED AT 500 AM EST... RAIN CONTINUED OVER THE AREA AT 515 AM... BUT EXCESSIVE RAINFALL HAS MOVED TO THE EAST. STREAMS AND CREEKS WILL SOON BEGIN TO RECEDE...ENDING THE FLASH FLOOD THREAT. EVEN THOUGH WATER LEVELS WILL BE LOWERING... SOME ROADWAYS STILL MAY BE COVERED WITH WATER. MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED ROADWAYS. FLOODED ROADS AND ROADWAYS DAMAGED BY WATER WILL BE DIFFICULT TO SEE UNTIL SUNRISE. BE CAREFUL WHILE TRAVELING DURING THE PRE-DAWN HOURS. $$ LGL
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 8:32 PM EST | Flash Flood Warning | GSP | Anderson, Pickens | 3 hr |
| Mar 19, 9:34 PM EST | Flash Flood Warning | GSP | Greenville, Spartanburg | 4 hr |
| Mar 19, 9:40 PM EST | Severe Thunderstorm Warning | GSP | Anderson | 65 min |
| Mar 20, 1:30 AM EST | Flash Flood Warning | GSP | Greenville, Spartanburg | 4 hr |
| Mar 20, 1:59 AM EST | Severe Thunderstorm Warning | GSP | Oconee, Pickens | 46 min |
| Mar 19, 9:07 PM EST | Severe Thunderstorm Warning | GSP | Elbert | 53 min |
Nearby
Flash Flood Warnings in South Carolina, 2003Flash Flood Warnings in Georgia, 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.