Alert archive / North Carolina / Flash Flood Warnings in 1999

Flash Flood Warning 9, NWS Greenville-Spartanburg, SC

July 24, 1999Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 24, 1999, 6:14 PM EDT for Mecklenburg County, North 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 24, 1999, 6:14 PM EDT (22:14 UTC)
Expired
Jul 24, 1999, 9:00 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Mecklenburg County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.2 hours before the alert went out and 125 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 1999-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 841 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, Greensboro/Hi Pt, NC at 12:00Z on 1999-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
841 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1567 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
19 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 
TTAA00 KGSP 242214
FFWGSP
NCC119-250100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
614 PM EDT SAT JUL 24 1999

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MECKLENBURG COUNTY IN NORTH CAROLINA

* UNTIL 900 PM EDT

* AT 610... NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS
  WITH VERY HEAVY RAIN FROM EAST OF GASTONIA TO CHARLOTTE... MOVING
  SLOWLY EAST.

* PERSISTENT THUNDERSTORMS OVER THE METRO AREA SINCE 4 PM WILL
  CONTINUE INTO EARLY EVENING CAUSING SEVERE URBAN FLOODING IN SOME
  SECTIONS OF THE CITY.  WATCH FOR FLOODING IN TYPICALLY FLOOD PRONE
  AREAS...AND WATCH FOR FLOODING EVEN IN PLACES THAT USUALLY DO NOT
  FLOOD IN THE NORMAL HEAVY RAIN SHOWER.

REMEMBER THAT MOST FLOOD FATALITIES ARE THE RESULT OF DRIVING INTO
FLOODED STREETS...ROADS...OR STREAMS...OR OCCUR WHEN CHILDREN PLAY
IN OR NEAR STORM DRAINS OR STREAMS.
$$
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 24, 2:12 PM EDT, 4 hours 2 minutes earlier.

Area forecast discussion, Jul 24, 2:12 PM EDT, 4 hours 2 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
212 PM EDT SAT JUL 24 1999

CLOSED LOW TO FORM OVER QUEBEC AND CUTOFF OVER ME NEXT 24 HOURS.
SHORTWAVE SHOWN BY RUC TO REACH MOUNTAINS AT 21Z WILL CROSS AREA
SLOWLY OVERNIGHT. A SECOND...WEAKER SHORTWAVE SHOWN BY ETA TO
REACH N TIER SUN AFTERNOON...MOVING INTO SC SUN EVENING. NGM/AVN
MUCH WEAKER WITH SECOND FEATURE...AND NGM MUCH FASTER...ENDING PVA
EARLY SUN EVENING. MODELS BRING TROUGH OR WEAK FRONT DOWN EASTERN
SEABOARD TONIGHT. THIS FEATURE BECOMES STATIONARY OVER AREA INTO
MON...WITH MOST THICKNESS PACKING N AND E. NGM TROUGH STRONGER AND
OVER SC...ETA TROUGH WEAKER AND OVER NC. AVN COMPROMISES. SURFACE
RIDGE BEHIND BOUNDARY FAR ENOUGH W AND AT LOW ENOUGH LATITUDE THAT
SURFACE FLOW NOT LIKELY TO BE NE...BUT RATHER W-NW. MID/UPPER
LEVELS TO DRY OUT SUN MORNING. DOWNSLOPE COMPONENT TO INHIBIT
CONVECTION SUN. NVA...SUBSIDENCE AND CONTINUED DOWNSLOPE MON TO
WARM TEMPERATURES AS DEW POINTS LOWER. FWC MAX TEMPS VERY HIGH AND
HARD TO BUY...EVEN WITH DOWNSLOPE. WILL COMPROMISE BETWEEN FWC AND
FAN. DEW POINTS DICTATE MINIMUM TEMPERATURES.

UPDATE: RADAR COVERAGE FILLING IN AND STILL HAVE 6-8 HOURS TO GET
BACK EDGE PAST MOUNTAINS. WILL INCREASE POPS TONIGHT TO CATEGORICAL NC
AND LIKELY GA/SC.

AVL 67/91/64/91 +200
CLT 71/96/69/97 +100
GSP 72/97/70/98 6110

.GSP...NONE.

JAT

In the hours before

Local storm report, Jul 24, 4:30 PM EDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
430 PM EDT SAT JUL 24 1999

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

342 PM     SALISBURY                 NC   WIND DAMAGE
07/24/99   ROWAN                          EOC REPORT. TREE DOWN ON
                                          POWER LINE.

JAT
Local storm report, Jul 24, 4:30 PM EDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
430 PM EDT SAT JUL 24 1999

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

342 PM     SALISBURY                 NC   WIND DAMAGE
07/24/99   ROWAN                          EOC REPORT. TREE DOWN ON
                                          POWER LINE.

JAT
Local storm report, Jul 24, 4:34 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
434 PM EDT SAT JUL 24 1999

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

357 PM     2 S SALISBURY             NC   WIND DAMAGE
07/24/99   ROWAN                          EOC REPORT. TREE DOWN ON
                                          POWER LINE.

JAT
Local storm report, Jul 24, 4:34 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
434 PM EDT SAT JUL 24 1999

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

357 PM     2 S SALISBURY             NC   WIND DAMAGE
07/24/99   ROWAN                          EOC REPORT. TREE DOWN ON
                                          POWER LINE.

JAT
Local storm report, Jul 24, 6:05 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
605 PM EDT SAT JUL 24 1999

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

545 PM     BOWMAN                    GA   WIND DAMAGE
07/24/99   ELBERT                         911 CENTER REPORTED
                                          NUMEROUS TREES DOWN

550 PM     ELBERTON                  GA   WIND DAMAGE
07/24/99   ELBERT                         911 CENTER REPORTED
                                          NUMEROUS TREES
                                          DOWN...STILL ONGOING

554 PM     15 S ANDERSON             SC   1.75 INCH HAIL
07/24/99   ANDERSON                       GOLFBALL SIZE HAIL NEAR
                                          IVA
RBN
Local storm report, Jul 24, 6:05 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
605 PM EDT SAT JUL 24 1999

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

545 PM     BOWMAN                    GA   WIND DAMAGE
07/24/99   ELBERT                         911 CENTER REPORTED
                                          NUMEROUS TREES DOWN

550 PM     ELBERTON                  GA   WIND DAMAGE
07/24/99   ELBERT                         911 CENTER REPORTED
                                          NUMEROUS TREES
                                          DOWN...STILL ONGOING

554 PM     15 S ANDERSON             SC   1.75 INCH HAIL
07/24/99   ANDERSON                       GOLFBALL SIZE HAIL NEAR
                                          IVA
RBN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 12:45 PM EDTSevere Thunderstorm WarningGSPYancey50 min
Jul 24, 2:46 PM EDTSevere Thunderstorm WarningGSPIredell44 min
Jul 24, 3:17 PM EDTSevere Thunderstorm WarningGSPDavie, Rowan48 min
Jul 24, 3:46 PM EDTFlash Flood WarningGSPHaywood, Jackson2 hr
Jul 24, 4:18 PM EDTSevere Thunderstorm WarningGSPMadison32 min
Jul 24, 4:22 PM EDTSevere Thunderstorm WarningGSPBuncombe48 min
Jul 24, 4:29 PM EDTSevere Thunderstorm WarningGSPYancey51 min
Jul 24, 5:29 PM EDTSevere Thunderstorm WarningGSPGaston46 min
Jul 24, 6:19 PM EDTSevere Thunderstorm WarningGSPUnion46 min

Nearby

Flash Flood Warnings in North Carolina, 1999Every flash flood warning in 1999

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.