Alert archive / South Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 6, NWS Greenville-Spartanburg, SC

July 1, 2002Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 1, 2002, 4:27 PM EDT for Greenville County, South Carolina. It was in force for 108 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 1, 2002, 4:27 PM EDT (20:27 UTC)
Expired
Jul 1, 2002, 6:15 PM EDT
In force
108 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Greenville County, SC

The radar

The Greer radar (KGSP), 14 km from the middle of the area, began a volume at 20:26 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 12:00Z, 8.5 hours before the alert went out and 259 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 2002-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1309 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 2002-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1309 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1046 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
32 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 012027
FFWGSP
SCC045-012215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
427 PM EDT MON JUL 1 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 615 PM EDT

* AT 411 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY       
  HEAVY RAIN IN CENTRAL GREENVILLE COUNTY. AUTOMATED RAIN GAUGE      
  LOCATED IN THE DEL NORTE SUBDIVISION HAVE RECORDED 2 INCHES OF     
  RAIN HAS FALLEN IN THE PAST HOUR. 

* PERSONS AROUND BRUSHY CREEK...REEDY RIVER...AND GILDER CREEK       
  SHOULD MONITOR WATER LEVELS...AND BE PREPARED TO MOVE TO HIGHER    
  GROUND. ALSO SOME URBAN FLOODING OF ROADS...ESPECIALLY ALONG       
  BOILING SPRINGS ROAD IS LIKELY OVER THE NEXT COUPLE OF 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 ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE SAFELY
DRIVEN THROUGH FLOOD WATERS.

$$

NED/PAT
2 follow-up statements
000 
WGUS72 KGSP 012104
FFSGSP
SCC045-012215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
503 PM EDT MON JUL 1 2002

...A FLASH FLOOD WARNING CONTINUES UNTIL 615 PM EDT FOR GREENVILLE
COUNTY...

AT 500 PM THE AUTOMATED RIVER GAUGE ON BRUSHY CREEK IN THE DEL NORTE 
SUBDIVISION INDICATED THE THE LEVEL WAS 5.75 FEET. AT 6 FEET BOILING 
SPRINGS ROAD WILL START TO FLOOD AND WATER WILL REACH BANKFULL 
SPILLING OVER INTO YARDS ALONG THE CREEK IN THE DEL NORTE 
SUBDIVISION.

KEEP AN EYE ON THE WEATHER AND STREAM CONDITIONS. PEOPLE ALONG
STREAMS SHOULD BE READY FOR FLOODING BY MOVING TO HIGHER GROUND NOW.

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.


$$

NED/PAT
000 
WGUS72 KGSP 012202
FFSGSP
SCC045-012215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
600 PM EDT MON JUL 1 2002

...A FLASH FLOOD WARNING CONTINUES UNTIL 615 PM EDT FOR GREENVILLE
COUNTY...

AT 600 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
TORRENTIAL RAIN ASSOCIATED WITH THE CLUSTER OF THUNDERSTORMS HAS 
ENDED ACROSS GREENVILLE COUNTY. LEVELS ON THE BRUSHY CREEK IN THE 
DEL NORTE SUBDIVISION CONTINUE TO FALL...AND ADDITIONAL RISES ON AREA 
STREAMS AND CREEK ARE NOT EXPECTED THROUGH THE EXPIRATION TIME. 
HOWEVER...SUBSTANTIAL STANDING WATER MAY PERSIST IN LOW SPOTS ON 
AREA ROADWAYS.

IF YOUR LOCATION IS AFFECTED BY FLOODING...MOVE TO HIGHER GROUND 
IMMEDIATELY. 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.
$$
HG

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 Jul 1, 2:30 PM EDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jul 1, 2:30 PM EDT, 1 hour 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
230 PM EDT MON JUL 1 2002

TSRA ARE BEGINNING TO DEVELOP ALONG THE EASTERN ESCARPMENT OF THE
BLUE RIDGE. CAPES ARE AOA 3000 AND WET BULB ZEROS ARE UNDER 10KFT.
SFC DWPTS HAVE HARDLY MIXED OUT AT ALL TDA AND LLVL MOISTURE FLUX
DIVERGENCE HAS BEEN BULLSEYED OVER THE NC MTNS FOR SEVERAL HRS NOW.

IN ADDITION...A COUPLE WEAK H5 WAVES WL CROSS THE REGION FROM NE TO
SW OVERNGHT. WHAT THIS MEANS IS THAT CONVECTION SHOULD KEEP GOING
WELL INTO THE NGHT. AS FOR 1ST PERIOD THE AREAL COVERAGE...ITS TOO
SOON TO REALLY TELL. WL INITIALLY PENCIL IN LIKELY POPS OVER THE SW
CWA AND CHANCE POPS N TNGT...THOUGH IF THE VORT OVER WV CONTINUES TO
ORGANIZE CONVECTION...WE COULD BE FACING SOMETHING ORGANIZED IN THE
NRN ZONES LATE.

TUE LOOKS VERY SIMILAR TO TDA. WEAK SHEAR AIXS WL CONTINUE TO BE
ORIENTED NE TO SW ACROSS CWA. LLVL MOISTURE CONVERGENCE WL CONTINUE
OVER THE CWA TO THE SE OF THESE UPPER WAVES DURING THE DAY...W/GOOD
AREAL COVERAGE LIKELY AGAIN IN THE AFTN...ESPECIALLY OVER AND NEAR
THE HIGHER TERRAIN.

BY WED...DEEP MID CONTINENTAL RIDGE WL BEGIN TO PUSH FARTHER TO THE
EAST. THE COLD TROF E OF THE RIDGE SHOULD STILL BE STRONG ENUF FOR
TSRA IN THE AFTN...BUT SUSPECT THAT AREAL COVERAGE WL NOT BE AS
GREAT.

DEEP ELY FLOW ON THE 4TH. NO LLVL CONVERGENCE TO SPEAK OF
ANYMORE...AND SUBSIDENCE AROUND THE RIDGE SHOULD REALLY EAT INTO OUR
INSTABILITY. WE MAY SEE HARDLY ANYTHING THU...BUT WL HOLD ON TO 30
POPS.

FRIDAY THROUGH MONDAY...
FOR FRI...AVN PUSHES A BACK DOOR COOL FRONT INTO AT LEAST THE
NORTHERN HALF OF THE CWA. ECMWF SHOW A SIMILAR BUT WEAKER FEATURE SO
WILL PRESERVE CHC POPS OF AFTERNOON TO EVENING TS/SH. FRONT SHOULD
WASH OUT SAT AND SUN AND WILL KEEP FORECAST DRY WITH ONLY SILENT 20
POPS. MONDAY...REGION SHOULD BE UNDER THE INFLUENCE OF HIGH PRESSURE
AND WILL KEEP DRY AS WELL. TEMPS SHOULD BE OVER MEX VALUES AS PLAINS
RIDGE IS EXPECTED TO BUILD IN FASTER THAN THE AVN
ADVERTISES...THEREFORE WILL KEEP TEMPS GENERALLY HIGHER THAN
GUIDANCE.

FCSTID = 14
GSP   72  92  72  92 /  60  30  30  30
AND   72  92  72  92 /  60  30  30  30
CLT   71  92  71  92 /  30  30  30  30
HKY   70  89  70  89 /  40  40  40  30
AVL   66  85  66  85 /  60  50  50  40

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

MCAVOY/NED

In the hours before

Special weather statement, Jul 1, 11:10 AM EDT, 5 hours 17 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-012200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1110 AM EDT MON JUL 1 2002

...SEVERE THUNDERSTORMS POSSIBLE AGAIN THIS AFTERNOON AND THIS
EVENING...

THE ATMOSPHERE WILL BECOME VERY UNSTABLE AGAIN THIS AFTERNOON AS
DAYTIME HEATING BECOMES STRONG.  MORNING ANALYSIS INDICATED THAT
AMPLE LOW LEVEL MOISTURE WAS IN PLACE...AND THE UPPER LEVELS OF THE
ATMOSPHERE WERE QUITE COOL FOR THE SEASON.

SCATTERED SHOWERS AND THUNDERSTORMS COULD BEGIN TO DEVELOP IN THE
MOUNTAINS AROUND NOON.  THUNDERSTORM DEVELOPMENT WILL START IN
FOOTHILL AND PIEDMONT SECTIONS A BIT LATER...WITH PEAK DEVELOPMENT
SOUTH AND EAST OF THE MOUNTAINS DURING LATE AFTERNOON AND THIS
EVENING.

ANY STORMS TODAY COULD BECOME STRONG...WITH FREQUENT INTENSE
LIGHTNING...GUSTY WINDS...SMALL HAIL...AND EXTREMELY HEAVY
RAINFALL.  BECAUSE OF THE SLOW MOVEMENT OF STORMS...LOCAL FLOODING
IS POSSIBLE...ESPECIALLY IF STORMS DEVELOP OVER URBAN AREAS.
SEVERE URBAN FLOODING DEVELOPED YESTERDAY IN PARTS OF
GREENVILLE...REQUIRING A FLASH FLOOD WARNING. SIMILAR STORMS AND
RAINFALL AMOUNTS COULD OCCUR AGAIN LATE TODAY OR THIS
EVENING...AFFECTING ANY URBAN OR LOW FLOOD PRONE AREA.

SOME STORMS COULD BECOME SEVERE AGAIN TODAY...WITH LARGE HAIL AND
DAMAGING WINDS.  STORMS YESTERDAY CAUSED A NUMBER OF REPORTS OF DIME
TO NICKEL SIZE HAIL...AND DAMAGING WIND GUSTS WHICH DOWNED TREES AND
POWER LINES.

ALTHOUGH A SEVERE STORM COULD DEVELOP ANYWHERE IN THE FORECAST
AREA...THE BEST CHANCE OF SEVERE WEATHER LATE THIS AFTERNOON AND
THIS EVENING WILL AGAIN BE ALONG THE INTERSTATE 85 CORRIDOR IN SOUTH
CAROLINA.  THERE ARE SOME INDICATIONS THERE COULD BE AN INCREASED
THREAT LATER IN THE EVENING...IN PARTS OF THE NORTH CAROLINA
NORTHERN FOOTHILLS AND NORTHERN PIEDMONT.

STORM SPOTTERS SHOULD BE ALERT TO LATER STATEMENTS AND
WARNINGS...AND BE PREPARED TO REPORT SEVERE WEATHER OR FLOODING
USING NORMAL SKYWARN PROCEDURES.

JONES
Local storm report, Jul 1, 3:18 PM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
318 PM EDT MON JUL 01 2002

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

310 PM     ROSMAN                    NC   1.25 INCH HAIL
07/01/02   TRANSYLVANIA                   HAIL BROKE WINDSHIELD ON
                                          EM VEHICLE. REPORTED BY
                                          TRANSYLVANIA EOC.

LAMB
Local storm report, Jul 1, 3:55 PM EDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
355 PM EDT MON JUL 01 2002

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

350 PM     5 NW PUMPKINTOWN          SC   .75 INCH HAIL
07/01/02   PICKENS                        DIME SIZE HAIL AND HEAVY
                                          RAIN REPORTED BY CO-OP

PAT
Local storm report, Jul 1, 3:58 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
358 PM EDT MON JUL 01 2002

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

356 PM     GREENVILLE                SC   .75 INCH HAIL
07/01/02   GREENVILLE                     SPOTTER REPORTED NEAR BOB
                                          JONES UNIV.

LAMB
Local storm report, Jul 1, 4:20 PM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
420 PM EDT MON JUL 01 2002

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

410 PM     5 NNW FRANKLIN            NC   WIND DAMAGE
07/01/02   MACON                          TREES REPORTED DOWN BY
                                          MACON EOC.

LAMB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 8:09 PM EDTSevere Thunderstorm WarningGSPAnderson51 min
Jul 1, 3:49 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens41 min
Jul 1, 4:34 PM EDTSevere Thunderstorm WarningGSPGreenville41 min
Jul 1, 5:04 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg41 min
Jul 1, 5:42 PM EDTSevere Thunderstorm WarningGSPUnion48 min
Jul 1, 6:17 PM EDTSevere Thunderstorm WarningGSPYork43 min
Jul 1, 6:42 PM EDTSevere Thunderstorm WarningGSPLaurens, Union48 min
Jul 1, 7:07 PM EDTSevere Thunderstorm WarningGSPYork53 min

Nearby

Flash Flood Warnings in South Carolina, 2002Every flash flood warning in 2002

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.