Alert archive / South Carolina / Flash Flood Warnings in 2000

Flash Flood Warning 19, NWS Greenville-Spartanburg, SC

September 22, 2000Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 22, 2000, 1:40 PM EDT for Union 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, 1:40 PM EDT (17:40 UTC)
Expired
Sep 22, 2000, 4:30 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Union County, SC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.7 hours before the alert went out and 220 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1307 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KGSP 221743
FFWGSP
SCC087-222030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
140 PM EDT FRI SEP 22 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 430 PM EDT

* AT 140 PM EDT...WEATHER SERVICE RADAR SHOWED VERY HEAVY RAIN 
OCCURRING OVER UNION COUNTY AND MORE RAIN WAS MOVING INTO THE COUNTY 
FROM THE SOUTHWEST.  STREET FLOODING WAS REPORTED BY A SPOTTER IN 
THE TOWN OF UNION.

THE HEAVIEST RAIN EXTENDED FROM NEAR WEST SPRINGS TO A POINT ABOUT 
10 MILES SOUTH OF UNION. THE RAIN WAS MOVING TO THE NORTHEAST AT 
ABOUT 25 MPH.

PEOPLE IN UNION COUNTY SHOULD BE ALERT FOR RAPIDLY RISING CREEKS AND 
STREAMS.  WATER LEVELS WILL RISE QUICKLY IN POOR DRAINAGE AREAS.

DO NOT CROSS FLOODED ROADWAYS. DO NOT PLAY IN DITCHES AND AREAS OF 
STANDING WATER.

$$
u
LGL

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, 12:12 PM EDT, 1 hour 28 minutes earlier.

Area forecast discussion, Sep 22, 12:12 PM EDT, 1 hour 28 minutes before
AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1212 PM EDT FRI SEP 22 2000

WE HAVE GOTTEN REPORTS OF FLOODING FROM THE SOUTHERN UPSTATE
ASSOCIATED WITH CONVECTIVE BAND PROGRESSING NORTH THROUGH SC.
RAINFALL ESTIMATES ARE BETWEEN 1 AND 3 INCHES DURING THE LAST 3
HOURS. HAVE HAD TO ISSUE FLASH FLOOD WARNINGS. SO WILL NOW REISSUE
THE FLASH FLOOD WATCH TO COVER THIS AFTERNOON PERIOD.

.GSP...
GA...FLASH FLOOD WATCH THIS AFTERNOON THROUGH SATURDAY MORNING
GAZ010-017-018-026-028-029.
NC...FLASH FLOOD WATCH THIS AFTERNOON THROUGH SATURDAY MORNING
NCZ066>072-082.
SC...FLASH FLOOD WATCH THIS AFTERNOON THROUGH SATURDAY MORNING
SCZ001>014-019.

MOYER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 12:02 PM EDTFlash Flood WarningGSPGreenwood, Laurens3 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.