Alert archive / South Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 36, NWS Greenville-Spartanburg, SC

September 3, 2001Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 3, 2001, 6:16 PM EDT for Greenville 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 3, 2001, 6:16 PM EDT (22:16 UTC)
Expired
Sep 3, 2001, 9:15 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Greenville County, SC

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.3 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 2001-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 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 2001-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
120 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
27 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 032218
FFWGSP
SCC045-040115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
616 PM EDT MON SEP 3 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 915 PM EDT

* AT 610 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN OVER SOUTHERN GREENVILLE COUNTY. RAINFALL ESTIMATES OF 2 TO 3 
INCHES IN AN HOUR HAVE BEEN REPORTED IN THIS AREA FROM MAULDIN TO 
SIMPSONVILLE AND FOUNTAIN IN. THE HEAVY RAIN WILL CONTINUE FOR A 
WHILE LONGER WITH UP TO AN ADDITIONAL INCH OF RAIN EXPECTED.

* GILDER CREEK IN THE SOUTHERN PART OF GREENVILLE COUNTY WAS 
REPORTED TO BE AT BANKFULL AT THE ADAMS MILL BRIDGE. THERE WILL ALSO 
BE URBAN FLOODING IN THE GOLDEN STRIP AREA.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

$$

MCAVOY

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 3, 3:44 PM EDT, 2 hours 32 minutes earlier.

Area forecast discussion, Sep 3, 3:44 PM EDT, 2 hours 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
344 PM EDT MON SEP 3 2001

STILL WE WAIT FOR THE UPPER TROF AXIS TO OUR WEST...AND ACCOMPANYING
UPPER LOW...TO SHIFT EAST...BUT COMPOSITE RADAR LOOPS HAVE INDICATED
THAT THE SHIFT MAY HAVE BEGUN DURING THE FIRST HALF OF THE AFTERNOON.
SAME INGREDIENTS IN PLACE FOR HEAVY RAIN PRODUCTION...ALTHOUGH AM
SORT OF SURPRISED THAT WE HAVE NOT SEEN MORE UPSLOPE SHOWERS
DEVELOPING SO FAR THIS AFTERNOON IN THE HIGHER TERRAIN AREAS.
STILL...WITH A FEW BREAKS IN THE CLOUDS AND DAYTIME
HEATING...CONVECTION HAS INITIATED IN VARIOUS PLACES ACROSS THE
CWFA. OLD SURFACE CONVERGENCE BOUNDARY HAS SHIFTED NORTHEAST OUT OF
THE CWFA.

BEST LIFT APPEARS FOR LATE TONIGHT THROUGH FIRST HALF OF THE
OVERNIGHT. MODELS SHUNT THE UPPER VORT SOUTH (OR EAST...DEPENDING ON
MODELS) OF THE CURRENT WATCH AREA LATE TUESDAY MORNING...WITH DRYING
SHOWING UP ON TIME SECTIONS IN THE NORTH. WAS TEMPTED TO DROP WATCH
ALTOGETHER...BUT AFTER LOOKING AT NCEP QPF...AND WITH CWFA IN THE
EXECSSIVE RAINFALL CATEGORY ON THEIR GRAPHICS...IT IS BEST TO
MAINTAIN THE FLOOD WATCH WHERE IT CURRENTLY STANDS UNTIL MIDDAY
TUESDAY. QPF NOT AS GREAT...BUT WITH CONVECTION POSSIBLE..AND
STUBBORN UPSLOOPE CONTINUING...NOT TO MENTION NEARLY SATURATED
GROUND FROM RAINFALL EARLIER TODAY. FORCING FOR PRECIP WILL NOT BE
AS GREAT TO OUR NORTHEAST ZONES...WHICH IS FORTUNATE BECAUSE THAT
REGION RECEIVED THE HEAVIEST RAINFALL EARLIER TODAY.

ANYWAY...DECISION HAS BEEN MADE AND THE WATCH IS OUT FOR ANOTHER
OVERNIGHT PERIOD. LOTS OF OTHER SUPPORTING FACTORS (AND A FEW
NEGATING ONES). TRIED TO DEPICT A DECREASING TREND IN ZONES FOR
LATER TUESDAY. OTHERWISE...AVN MAINTAINS AN EASTERLY FLOW INTO THE
SOUTHERN ZONES THURSDAY...SO HAVE INTRODUCED CHANCE OF CONVECTION
UPSTATE/NORTHEAST GEORGIA...THEN EVERYONE WITH A CHANCE FRIDAY AHEAD
OF THE NEXT FRONT. FURTHER ON IN THE WEEK...FOLLOWING THE WEEKEND
FROPA...MONDAY LOOKS DRY WITH STRONG SURFACE RIDGE PROGGD TO BUILD
DOWN THE SOUTHERN APPALACHIANS.

FCSTID = 44
GSP   70  79  68  85 / 100  80  30  30
AND   70  79  68  85 / 100  80  30  30
CLT   68  78  67  84 /  70  60  20  30
HKY   65  75  62  80 / 100  80  20  30
AVL   65  75  62  80 / 100  80  30  30

.GSP...
GA...FLOOD WATCH THROUGH NOON TUESDAY FOR ZONES
GAZ010...GAZ017>018...GAZ026...GAZ028>029.
NC...FLOOD WATCH THROUGH NOON TUESDAY FOR ZONES
NCZ033>034...NCZ048>055...NCZ058>059...NCZ062>067.
SC...FLOOD WATCH THROUGH NOON TUESDAY FOR ZONES
SCZ001>007...SCZ010>012...SCZ019.

BURRUS

Nearby

Flash Flood Warnings in South Carolina, 2001Every flash flood warning in 2001

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.