Alert archive / South Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 125, NWS Greenville-Spartanburg, SC

August 17, 2003Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 17, 2003, 7:27 PM EDT for Pickens County, South Carolina. It was in force for 2 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
Aug 17, 2003, 7:27 PM EDT (23:27 UTC)
Expired
Aug 17, 2003, 9:30 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Pickens County, SC

Did it verify

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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.5 hours before the alert went out and 238 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, Peachtre/Fal Fld, GA at 12:00Z on 2003-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 154 joules per kilogram.LCLLFCEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2003-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
154 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1015 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
-36 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.

000 
WGUS52 KGSP 172327
FFWGSP
SCC077-180130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
727 PM EDT SUN AUG 17 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PICKENS COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 930 PM EDT

* AT 725 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
  AND THUNDERSTORMS...WITH VERY HEAVY RAIN...OVER CENTRAL AND 
  NORTHERN PICKENS COUNTY. RADAR ESTIMATED AS MUCH AS 3 INCHES 
  OF RAIN HAD FALLEN SINCE LATE AFTERNOON IN CENTRAL PICKENS 
  COUNTY...JUST NORTH OF PICKENS AND WEST OF NINE TIMES. 

* THROUGH 930 PM...STORMS WILL CONTINUE A SLOW MIGRATION TO THE WEST
  BUT COULD STILL PRODUCE AN INCH OR MORE OF ADDITIONAL RAINFALL.
  ADDITIONAL RAIN MAY BE ENOUGH TO SEND STREAMS AND CREEKS OUT OF 
  THEIR BANKS...MOST NOTABLY TWELVE MILE CREEK. FLOODING COULD ALSO
  OCCUR ALONG AND NORTH OF HIGHWAY 11 THROUGH THE HIGHER TERRAIN
  AREAS...WITH MILL CREEK SUSCEPTIBLE TO FLASH FLOODING THROUGH LATE 
  EVENING.

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.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.

LAT...LON 3499 8262 3488 8254 3469 8273 3473 8287
          3506 8289 3507 8270

$$

BURRUS
2 follow-up statements
000 
WGUS72 KGSP 180048
FFSGSP
SCC077-180130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
849 PM EDT SUN AUG 17 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 930 PM EDT FOR PICKENS
COUNTY...

AT 845 PM...WEATHER RADAR SHOWED SCATTERED SHOWERS OVER SOUTHWEST 
PICKENS COUNTY...BETWEEN CENTRAL AND CLEMSON. THE HEAVIEST RAIN 
HAD MOVED SOUTH TO ANDERSON COUNTY.

THE COUNTY COMMUNICATIONS CENTER REPORTED FLOODING HAD OCCURRED IN 
NORRIS...AND OTHER COMMUNITIES. DETAILS WILL BE PROVIDED AS THEY 
BECOME AVAILABLE.

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.

$$

BURRUS
000 
WGUS72 KGSP 180135
FFSGSP
SCC077-180230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
935 PM EDT SUN AUG 17 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR PICKENS COUNTY HAS
EXPIRED AS OF 930 PM EDT...

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN
THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE
FLASH FLOOD THREAT. EVEN THOUGH STREAMS AND CREEKS WERE RECEDING...
SOME ROADWAYS STILL MAY BE COVERED WITH WATER. MOTORISTS ARE ADVISED
TO AVOID DRIVING THROUGH FLOODED ROADWAYS.

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.

$$

BURRUS

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Aug 17, 7:08 PM EDT, 19 minutes earlier.

Area forecast discussion, Aug 17, 7:08 PM EDT, 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
708 PM EDT SUN AUG 17 2003

UPDATE FORTHCOMING TO REMOVE SEVERE THUNDERSTORM HEADLINES FROM
COUNTIES THAT WERE IN WEATHER WATCH 865. WILL ALSO LOWER POPS IN THE
NORTHERN FOOTHILLS AND THE NORTH CAROLINA MOUNTAINS.

FCSTID =   44
GSP   70  89  68  88 /  60  30  30  20
AND   70  90  69  89 /  60  30  30  20
CLT   70  89  69  88 /  60  30  30  20
HKY   69  88  67  87 /  40  30  30  20
AVL   64  85  64  83 /  40  30  30  20

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

BURRUS
Hazardous weather outlook, Aug 17, 5:45 AM EDT, 13 hours 42 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-171145-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
545 AM EDT SUN AUG 17 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA...
UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA.

.DAY ONE...TODAY

A COLD FRONT WILL MOVE SLOWLY TOWARD THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA TODAY. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY
THIS FRONT INTO THE AREA. SOME OF THESE STORMS COULE PRODUCE SEVERE
WEATHER AND LOCALIZED FLASH FLOODING. PLEASE SEE THE SEVERE WEATHER
OUTLOOK...CAESPSGSP FOR FURTHER INFORMATION.

.DAYS TWO THROUGH SEVEN...

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ON MONDAY. A
FEW SEVERE STORMS WILL BE POSSIBLE. THE REMAINDER OF THE WEEK IS
EXPECTED TO BE DRIER...WITH NO MORE THAN ISOLATED SHOWERS AND
THUNDERSTORMS EXPECTED THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY.

LANE

In the hours before

Local storm report, Aug 17, 4:46 PM EDT, 2 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
446 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

410 PM     7 E LINCOLNTON            NC   WIND DAMAGE
08/17/03   LINCOLN                        TRAINED HAM SPOTTER
                                          REPORTED TWO TREES DOWN
                                          ON HWY 150...ONE 18 IN
                                          DIAMETER AND THE OTHER
                                          ABOUT 12.

415 PM     3 E CHERRYVILLE           NC   NON-SVR REPORT
08/17/03   GASTON                         HAM REPORTED 45-50 MPH
                                          WIND GUST...TORRENTIAL
                                          RAIN PARTIALLY IMPEDING
                                          TRAFFIC AND FREQUENT
                                          LIGHTNING.

LAMB
Local storm report, Aug 17, 5:07 PM EDT, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
507 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

448 PM     WACO                      NC   WIND DAMAGE
08/17/03   CLEVELAND                      EMERGENCY PERSONNEL
                                          REPORTED TREES DOWN.

459 PM     SHELBY                    NC   WIND DAMAGE
08/17/03   CLEVELAND                      EMERGENCY PERSONNEL
                                          REPORTED TREES DOWN.

RB
Local storm report, Aug 17, 5:08 PM EDT, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
508 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

450 PM     BELWOOD                   NC   1.75 INCH HAIL
08/17/03   CLEVELAND                      SPOTTER REPORTED GOLFBALL
                                          SIZE HAIL AND 40 MPH WIND
                                          GUST.

LAMB
Local storm report, Aug 17, 6:00 PM EDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
600 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

530 PM     GROVER                    NC   WIND DAMAGE
08/17/03   CLEVELAND                      COUNTY 911 REPORTED A
                                          TREE DOWN ON A HOUSE.
                                          ALSO WATERSON RD FLOODED.
                                          EVENT TIME ESTIMATED.

545 PM     2 N BLACKSBURG            SC   WIND DAMAGE
08/17/03   CHEROKEE                       911 CENTER REPORTED TREES
                                          DOWN.

LAMB
Local storm report, Aug 17, 6:06 PM EDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
606 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

550 PM     CORNELIA                  GA   WIND DAMAGE
08/17/03   HABERSHAM                      TREES AND POWER LINES
                                          DOWN ACROSS THE SOUTHERN
                                          PART OF THE COUNTY.
                                          REPORTED BY COUNTY COMMS
                                          CENTER.

MCAVOY
Local storm report, Aug 17, 6:34 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
634 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

605 PM     GAFFNEY                   SC   WIND DAMAGE
08/17/03   CHEROKEE                       COUNTY 911 REPORTED
                                          WINDOWS BLOWN OUT OF A
                                          BUILDING. ALSO CARS
                                          FLOODED IN A PARKING LOT.

630 PM     2 S ROCKWELL              NC   FLASH FLOOD
08/17/03   ROWAN                          SPOTTER REPORTED
                                          TRIBUTARY OF JENNIE WOLF
                                          CREEK OUT OF BANKS ONTO
                                          SHUPING MILL RD AT
                                          ROWAN-CABARRUS COUNTY
                                          LINE. ROAD IS IMPASSABLE.
                                          SEVERAL OTHER ROADS IN
                                          SOUTHERN ROWAN ARE
                                          COVERED IN WATER.

LAMB

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 5:11 PM EDTSevere Thunderstorm WarningGSPCherokee64 min
Aug 17, 6:15 PM EDTSevere Thunderstorm WarningGSPCherokee45 min
Aug 17, 6:26 PM EDTSevere Thunderstorm WarningGSPSpartanburg64 min
Aug 17, 6:48 PM EDTSevere Thunderstorm WarningGSPPickens57 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.