Alert archive / South Carolina / Flash Flood Warnings in 2003
Flash Flood Warning 93, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 30, 2003, 9:43 PM EDT for Spartanburg 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 counties it named.
The facts
- Issued
- Jul 30, 2003, 9:43 PM EDT (01:43 UTC)
- Expired
- Jul 31, 2003, 12:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Spartanburg County, SC
The radar
The Greer radar (KGSP), 22 km from the middle of the area, began a volume at 01:43 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.7 hours before the alert went out and 228 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
- 6 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KGSP 310144 FFWGSP SCC083-310430- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 943 PM EDT WED JUL 30 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 1230 AM EDT * AT 930 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED TWO TO 3 INCHES OF RAIN HAS FALLEN IN THE GREER...LYMAN AND DUNCAN AREAS. MORE STORMS WERE STARTING TO DEVELOP AROUND WOODRUFF AND THESE WILL MOVE NORTH THROUGH MOORE AND BACK OVER THE AREA THAT HAS ALREADY HAD THE HEAVY RAINS. * GREER POLICE REPORTED THE INTERSECTION OF WADE HAMPTON AND HIGHWAY 357 WAS ALREADY ALMOST IMPASSABLE. OTHER LOW LYING AREAS AROUND LYMAN AND DUNCAN WILL ALSO SOON BE AFFECTED. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. 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. $$ RBN
1 follow-up statement
000 WGUS72 KGSP 310428 FFSGSP SCC083-310445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1227 AM EDT THU JUL 31 2003 ...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR WESTERN SPARTANBURG COUNTY WILL EXPIRE AT 1230 AM EDT... MOST OF THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. VERY HEAVY RAIN FELL ACROSS THE NORTHERN THIRD OF SPARTANBURG COUNTY...AND IT IS LIKELY SOME FLOODING HAS OCCURRED AROUND CAMPOBELLO...CHESNEE...INMAN...AND BOILING SPRINGS. SOME ROADS MAY STILL BE COVERED WITH WATER. MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED ROADWAYS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. USE CAUTION IN OR NEAR ANY SMALL CREEK TONIGHT...AND AVOID ROUTES THAT YOU KNOW ARE FLOOD PRONE. A NEW AREA OF SHOWERS WAS MOVING UP FROM THE SOUTH...AND IF THIS AREA BECOMES INTENSE...AN ADDITIONAL WARNING COULD BE REQUIRED LATER TONIGHT. $$ JONES
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 30, 3:45 PM EDT, 5 hours 58 minutes earlier.
Area forecast discussion, Jul 30, 3:45 PM EDT, 5 hours 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 345 PM EDT WED JUL 30 2003 LAPS ANALYSIS SHOWS 10 KT SELY FLOW INTO THE SRN APPALACHIANS ATTM...WITH CAPE VALUES AROUND AROUND 2000 J/KG FEEDING INTO THIS AREA AS WELL. TSRA HAVE DEVELOPED IN THIS AXIS OF INSTABILITY AND MOISTURE CONVERGENCE. FLOW ALOFT IS WEAK OUT OF THE WEST...AROUND 10 KTS...RESULTING IN CELLS IN THE UPSLOPE AREAS THAT ARE VERY SLOW TO MOVE THIS AFTN. PW/S ARE AROUND 1.90 THIS AFTN. WATER VAPOR IMAGERY AND MORNING RAOBS SHOW QUITE A MOISTURE DISCONTINUITY ACROSS THE MTNS. THIS WEAK DRY AIR ENTRAINMENT ALOFT IS EXPECTED TO HELP STRENGTHEN OUTFLOW AND GRADUALLY PUSH THE HEAVIEST RAIN INTO THE WRN FOOTHILLS. WORKING ON THAT ASSUMPTION...HAVE HOISTED A FLOOD WATCH FOR THE SRN NC MTNS...THE FAR SW NC FOOTHILLS...NRN UPSTATE AND PARTS OF NE GA. FFW ALREADY OUT FOR RABUN COUNTY. FARTHER TO THE NE...LACK OF CONVERGENCE AND LIMITED HEATING UNDER THE SRN EXTENSION OF WEAK WEDGE RIDGE HAS LIMITED PCPN TO ONLY A FEW LGT SHRA. MODELS LIFT A WEAK TMB N OVERNGHT. HAVE THE LOWEST POPS IN THE NE ZONES...BUT EXPECT THAT THEY WL EVENTUALLY SEE SOMETHING AS THE TMB RETREATS. TO MAKE LIFE EVEN MORE INTERESTING...BOTH ETA AND GFS BRING SIG PCPN IN THE SW NC MTNS LATE TNGT IN THE FACE OF WEAK LLVL ISENTROPIC UPGLIDE. WE AND MRX SEEM TO BE ON THE SAME PAGE WITH THIS...AND HAVE GONE LIKELY POPS LATE TNGT IN THE FAR SW MTNS. IF THIS PCPN DOES DEVELOP...THIS WL BE ANOTHER AREA THAT WL HAVE TO BE WATCHED FOR FLOOD POTENTIAL. THE ETA...GFS AND FWC POPS ARE ALL IN THE LIKELY RANGE THU. PW/S ARE NEAR 2 INCHES. FORCING IS WEAK...THOUGH PVA DOES INCREASE IN THE LATE AFTN. LLVL FLOW BECOMES MORE SWLY IN THE AFTN...THOUGH FLOW IN THE IMMEDIATE LEE STILL SHOWS A BACKING TENDENCY. IN DEFERENCE TO THE HIGH POPS AND PROBABLY CONTINUED WEAK UPSLOPE...WENT WITH A LIKELY POP AGAIN TMRW AFTN AND EVENING. LOOKS LIKE MORE CONVECTION FRIDAY AS A BETTER SHORT WAVE CROSSES THE REGION...MID LEVELS DRY OUT AND STRONG LLVL CONVERGENCE DEVELOPS IN THE WRN ZONES. MORE OF THE SAME ON SAT...ONLY WITH STRONGER SHEAR. COULD BE MORE ORGANIZED SEVERE WEATHER IF THE GFS VERIFIES ON SAT. FCSTID = 14 GSP 70 86 71 86 / 60 60 60 50 AND 71 88 72 87 / 60 60 60 40 CLT 70 86 71 87 / 60 60 60 50 HKY 68 83 69 84 / 40 60 60 50 AVL 66 82 67 82 / 50 60 60 40 .GSP... GA...FLOOD WATCH UNTIL 10 PM FOR ZONES GAZ010...GAZ017>018. NC...FLOOD WATCH UNTIL 10 PM FOR ZONES NCZ063>067. SC...FLOOD WATCH UNTIL 10 PM FOR ZONES SCZ001>007. MCAVOY
Hazardous weather outlook, Jul 30, 4:30 AM EDT, 17 hours 13 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-301100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 430 AM EDT WED JUL 30 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE EXTENDED PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. RB
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:17 PM EDT | Flash Flood Warning | GSP | Greenville | 3 hr |
| Jul 30, 9:39 PM EDT | Flash Flood Warning | GSP | Pickens | 3 hr |
| Jul 30, 11:16 PM EDT | Flash Flood Warning | GSP | Greenville | 3 hr |
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.