Alert archive / North Carolina / Flash Flood Warnings in 1998

Flash Flood Warning 58, NWS Greenville-Spartanburg, SC

July 20, 1998Cabarrus County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 20, 1998, 9:09 PM EDT for Cabarrus 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 20, 1998, 9:09 PM EDT (01:09 UTC)
Expired
Jul 21, 1998, 12:10 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Cabarrus County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.2 hours before the alert went out and 97 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 00:00Z on 1998-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 00:00Z on 1998-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
14 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
2234 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 20, 2:35 PM EDT, 6 hours 34 minutes earlier.

Area forecast discussion, Jul 20, 2:35 PM EDT, 6 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
235 PM EDT MON JUL 20 1998

AIRMASS MODERATELY UNSTABLE LATE THIS AFTERNOON AND EVENING WITH SOME
DPVA AND OMEGA UPLIFT SHOWING IN MODELS THIS TIME PERIOD. LEE SIDE
TROF EAST OF MTNS SHOULD CONTINUE TO PROVIDE SOME MOISTURE CONVG TO
INITIATE WIDELY SCTD TSTM DEVELOPMENT. ETA SHOWING SOME 20 TO 30 KT
WINDS H8 AND H7 FOR LATER TODAY EAST TN/WESTERN NC SO IF A FEW
STORMS POP...COULD GET AN ISOLATED SEVERE REPORT ANYWHERE IN CWA.
ANY STORMS SHOULD BE SLOW MOVING SO LUCKY FEW COULD GET SOME HEALTHY
RAINS.

A BIT WARMER TEMPS ALOFT UPSTREAM BUT WILL STILL HAVE A FEW WEAK
SHORT WAVES POISED IN UPPER RIDGE OVER AREA AND LEE SIDE TROFFING.
THIS SHOULD CONTINUE ONLY A MEAGER CHC FOR AFTN OR ERLY EVNG STORMS
THROUGH WEDNESDAY.

WEAK UPPER TROFFING SHOULD BUILD BACK INTO VCNTY LATER IN WEEK AS
WEAK COLD FRONT APRCHS FROM NORTH.

PERSISTANCE PRBLY BEST FORECST FOR MAX AND MIN TEMPS NEXT FEW DAYS
AND THIS GOES WELL WITH CURRENT GUIDANCE.

AVL 63/91/63/91 2/2/2/2
CLT 71/97/71/97 3/2/2/2
GSP 70/97/70/97 3/2/2/2

NEAL

In the hours before

Local storm report, Jul 20, 7:09 PM EDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
709 PM EDT MON JUL 20 1998

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

652 PM     5 SE PENDLETON            SC   WIND DAMAGE
07/20/98   ANDERSON                       TREES AND POWER LINES DOWN
                                          BETWEEN PENDLETON AND
                                          INTERSTATE 85. REPORT FROM
                                          COUNTY COMMS.

BWM
Local storm report, Jul 20, 7:09 PM EDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
709 PM EDT MON JUL 20 1998

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

652 PM     5 SE PENDLETON            SC   WIND DAMAGE
07/20/98   ANDERSON                       TREES AND POWER LINES DOWN
                                          BETWEEN PENDLETON AND
                                          INTERSTATE 85. REPORT FROM
                                          COUNTY COMMS.

BWM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 8:23 PM EDTSevere Thunderstorm WarningGSPGaston47 min
Jul 20, 8:51 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg49 min
Jul 20, 9:30 PM EDTSevere Thunderstorm WarningGSPUnion65 min
Jul 21, 3:18 PM EDTSevere Thunderstorm WarningGSPBuncombe47 min
Jul 21, 4:28 PM EDTSevere Thunderstorm WarningGSPMcDowell32 min
Jul 21, 4:51 PM EDTSevere Thunderstorm WarningGSPBurke49 min
Jul 20, 8:51 PM EDTSevere Thunderstorm WarningGSPYork49 min
Jul 20, 8:59 PM EDTSevere Thunderstorm WarningGSPGreenville51 min
Jul 20, 9:17 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens48 min
Jul 20, 9:55 PM EDTSevere Thunderstorm WarningGSPSpartanburg65 min
Jul 20, 10:07 PM EDTSevere Thunderstorm WarningGSPCherokee33 min
Jul 20, 10:15 PM EDTSevere Thunderstorm WarningGSPYork65 min

Nearby

Flash Flood Warnings in North Carolina, 1998Every flash flood warning in 1998

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.