Alert archive / South Carolina / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 48, NWS Greenville-Spartanburg, SC

April 20, 1996Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 20, 1996, 2:26 PM EDT for Spartanburg County, South Carolina. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 20, 1996, 2:26 PM EDT (18:26 UTC)
Expired
Apr 20, 1996, 3:30 PM EDT
In force
64 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Spartanburg County, SC

The radar

The Greer radar (KGSP), 22 km from the middle of the area, began a volume at 18:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.4 hours before the alert went out and 228 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 1996-04-20Temperature 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 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
591 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
86 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 severe thunderstorm 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 severe thunderstorm warning went out at Apr 20, 1:51 PM EDT, 35 minutes earlier.

Area forecast discussion, Apr 20, 1:51 PM EDT, 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
148 PM EDT SAT APR 20 1996

.RAH..THINK WE NEED BEEF UP POPS FOR CURRENT THREAT AND PSBLY
      ANOTHER LATER TNT AND EARLY SUN.

ONLY HAVE HAD TIME TO LOOK AT NGM AND ETA ON AFOS...NO GRIDDED
DATA AVAILABLE.  LOOKS LIKE WE HAVE THIS WAVE OF SVR TO DEAL WITH
WHICH WILL AFFECT MOST OF WESTERN NC LATE THIS AFTN AND ELY EVENING
AND STORMS IN NRN AL AND NW GA SPREADING INTO REMAINDER OF AREA
MAINLY EARLY TONIGHT.

MODELS HINT AT ANOTHER WEAK SW MOVG IN LATE TONIGHT AND EARLY SUNDAY.
THIS MAY PRODUCE ANOTHER WAVE OF STRONG SSTORMS AS STRONG..WARM MOIST
FLOW WILL CONTINUE TO PUMP MOISTURE IN.  MOS TEMPS AND POPS LOOK OK.

GSP 60/78/59/81 6/5/3/5
AVL 58/76/55/78 6/5/4/6
CLT 64/79/63/81 5/4/3/5

RBN

In the hours before

Local storm report, Apr 20, 12:27 PM EDT, 1 hour 59 minutes before
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Local storm report, Apr 20, 12:31 PM EDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1231 PM EDT SAT APR 20 1996

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
1227 PM    KELLY VALLEY              NC   1.00 HAIL
04/20/96   MACON                          COUNTY 911

1227 PM    FRANKLIN                  NC   WIND DAMAGE
04/20/96   MACON                          COUNTY 911
Local storm report, Apr 20, 1:09 PM EDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
109 PM EDT SAT APR 20 1996

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
104 PM     CASHIERS                  NC   WIND DAMAGE
04/20/96   JACKSON                        TREES DOWN
Local storm report, Apr 20, 1:27 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
127 PM EDT SAT APR 20 1996

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.d....
115 PM     COUNTY-WIDE               NC   .75 HAIL
04/20/96   TRANSYLVANIA                   REPORTED BY COUNTY
                                          DISPATCH
Local storm report, Apr 20, 1:31 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
130 PM EDT SAT APR 20 1996

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
127 PM     ASHEVILLE                 NC   .75 HAIL
04/20/96   BUNCOMBE                       PEA TO DIME-SIZED HAIL IN
                                          DOWNTOWN ASHEVILLE
                                          REPORTED BY WARNNET
p

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 11:28 AM EDTSevere Thunderstorm WarningGSPGraham, Swain62 min
Apr 20, 11:54 AM EDTSevere Thunderstorm WarningGSPMacon36 min
Apr 20, 12:20 PM EDTTornado WarningGSPHaywood40 min
Apr 20, 12:34 PM EDTSevere Thunderstorm WarningGSPJackson, Macon41 min
Apr 20, 12:55 PM EDTSevere Thunderstorm WarningGSPBuncombe, Transylvania50 min
Apr 20, 1:19 PM EDTSevere Thunderstorm WarningGSPHenderson41 min
Apr 20, 3:24 PM EDTTornado WarningGSPGaston, Lincoln36 min
Apr 20, 2:21 PM EDTSevere Thunderstorm WarningGSPGreenville54 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.