Alert archive / South Carolina / Flash Flood Warnings in 2000
Flash Flood Warning 18, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 22, 2000, 12:02 PM EDT for Greenwood County, Laurens 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
- Sep 22, 2000, 12:02 PM EDT (16:02 UTC)
- Expired
- Sep 22, 2000, 3:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Greenwood County, SC, Laurens County, SC
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 4.0 hours before the alert went out and 248 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
- 2407 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 36 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 221607 FFWGSP SCC047-059-221900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1202 PM EDT FRI SEP 22 2000 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... LAURENS COUNTY IN UPSTATE SOUTH CAROLINA GREENWOOD COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 300 PM EDT * AT NOON EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN CROSSING GREENWOOD AND LAURENS COUNTIES. COUNTY OFFICIALS IN GREENWOOD COUNTY REPORTED THAT SEVERAL ROADS HAD EXPERIENCED FLOODING FROM NEARBY CREEKS. * ADDITIONAL RUNOFF FROM EARLIER RAINFALL IS EXPECTED TO CAUSE t STREAMS AND CREEKS TO RISE FURTHER. MOTORISTS SHOULD BE ALERT FOR WATER COVERED ROADS...AND SHOULD NOT ATTEMPT TO DRIVE THROUGH WATER. CHILDREN SHOULD NOT BE ALLOWED TO PLAY NEAR STREAMS OR DITCHES. $$ JAT
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 Sep 22, 10:12 AM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Sep 22, 10:12 AM EDT, 1 hour 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1012 AM EDT FRI SEP 22 2000 FORECAST STILL APPEARS ON TRACK REGARDING PRECIPITATION FLASH FLOOD POTENTIAL. CURRENT RADAR TRENDS SHOW SCATTERED SHOWERS ACROSS THE CWA WITH HEAVY BANDS OF CONVECTION MOVING NORTH ACROSS THE CSRV AND INTO SRN UPSTATE SC. STILL EXPECTING PERIOD OF POTENTIAL EXCESSIVE RAINFALL TO BE TONIGHT AS DEEPEST MOISTURE FROM HELENE REMNANTS CROSSES THE AREA. WILL BE ACCESSING ANY POSSIBLE CHANGE TO FLASH FLOOD WATCH AFTER 12Z GUIDANCE ARRIVES. THE PRESSURE GRADIENT BETWEEN SFC HIGH PRESSURE CENTERED OVER THE MID-ATLANTIC STATES AND THE LANDFALLING T.S. HELENE IS PRODUCING A NORTHEAST FLOW ACROSS THE FOOTHILLS AND PIEDMONT. DRIER AND COOLER AIR IS BEING ADVECTED SOUTHWEST AND HAVE NOTICED DROPS IN DWPT AND TEMP ACROSS NC ZONES THIS MORNING. SFC BOUNDARY TO THE SOUTH OF THE CWA AND WOULD EXPECT TROPICAL LOW TO TRACK ALONG THIS BOUNDARY LATER TODAY AND TONIGHT...POSSIBLY NUDGING THE FRONT BACK NORTH A LITTLE...BUT KEEPING MOST OF THE CWA ON THE COOL SIDE OF BOUNDARY. WILL NEED TO ADJUST WINDS TO BE NORTHEAST THIS AFTERNOON AND LOWER HIGH TEMPS. WILL ALSO BUMP POPS TO CATEGORICAL FOR NE GA AND UPSTATE SC SECTIONS. .GSP... GA...FLASH FLOOD WATCH TONIGHT THROUGH SATURDAY MORNING GAZ010-017-018-026-028-029. NC...FLASH FLOOD WATCH TONIGHT THROUGH SATURDAY MORNING NCZ066>072-082. SC...FLASH FLOOD WATCH TONIGHT THROUGH SATURDAY MORNING SCZ001>014-019. MOYER
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 1:40 PM EDT | Flash Flood Warning | GSP | Union | 3 hr |
Nearby
Flash Flood Warnings in South Carolina, 2000Every flash flood warning in 2000
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.