Alert archive / South Carolina / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 1, NWS Greenville-Spartanburg, SC

January 18, 1996Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jan 18, 1996, 8:22 PM EST for Oconee County, South Carolina. It was in force for 68 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 18, 1996, 8:22 PM EST (01:22 UTC)
Expired
Jan 18, 1996, 9:30 PM EST
In force
68 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Oconee County, SC

The radar

The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 01:25 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.

What was reported inside it

TimeReportWhereRemark
Jan 18, 8:30 PM ESTThunderstorm Wind 50Walhalla, SC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.4 hours before the alert went out and 203 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 00:00Z on 1996-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 00:00Z on 1996-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
39 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
48 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 Jan 18, 2:30 PM EST, 5 hours 52 minutes earlier.

Area forecast discussion, Jan 18, 2:30 PM EST, 5 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
230 PM EST THU JAN 18 1996

RAH: CONT FFA. INTRODUCE SVR WORDING TO AREAS IN AND NEAR SLGT RISK.
WINDS WILL BE VERY STRONG IN THE MTNS.
CAE: HIGH POPS/PSBL SVR TONIGHT. ACTION CUTS OFF QUICKLY FRIDAY MORNING
WITH TEMPERATURES ONLY REBOUNDING A CPL DEG.

18Z ANALYSIS INDCS PRONOUNCED TMB FROM RDU-CLT-JUST SOUTH OF GSP-TO
NEAR ANDERSON.  AIRMASS TO THE SOUTH AND EAST OF THIS LINE HAS BECOME
UNSTABLE...WITH LI'S -2 TO -4.  MODIFIED MORNING SNDGS YIELD CAPES ARND
1500...SO WITH APPRCHNG DYNAMICS AND FAVORABLE WIND FIELDS SOME NASTY
STORMS APPEAR LIKELY.

ACROSS THE MTNS...RAINFALL AMNTS HAVE LET UP DURING THE PAST CPL
HOURS...WITH MAX 1 HR AMNTS GNRLY BETWEEN .10 -.20 IN. HOWEVER
FAVORABLE UPSLOPE FLOW CONTINUES TO BE INDICATED ON OUR VWP...SO WITH
ANOTHER BATCH OF RAIN MOVG OUT OF CENTRAL GA MORE RW+ WILL QUICKLY
REDEVLOP...ESPECIALLY ON THE SOUTH AND EAST FACING SLOPES.

TEMPERATURES SHOULD WARM A CPL DEGREES AWAY FROM THE MTNS ON FRIDAY
BEHIND THE FRONT WITH SUNSHINE AND DOWNSLOPE FLOW...SO WENT ABV FWC
NUMBERS.

GSP 43/49 19/38   +300
AVL 34/37 15/35   +300
CLT 48/53 18/36   +700

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 10:42 PM ESTFlash Flood WarningGSPBuncombe, Henderson4 hr
Jan 18, 11:33 PM ESTFlash Flood WarningGSPMcDowell, Mitchell, Yancey3 hr
Jan 18, 11:57 PM ESTFlash Flood WarningGSPHaywood, Jackson, Transylvania4 hr
Jan 18, 11:57 PM ESTFlash Flood WarningGSPMacon4 hr
Jan 19, 2:38 AM ESTSevere Thunderstorm WarningGSPCleveland52 min
Jan 19, 3:33 AM ESTFlash Flood WarningGSPBurke3 hr
Jan 18, 8:55 PM ESTSevere Thunderstorm WarningGSPPickens50 min
Jan 19, 1:22 AM ESTSevere Thunderstorm WarningGSPAnderson, Greenville68 min
Jan 19, 1:46 AM ESTSevere Thunderstorm WarningGSPSpartanburg59 min
Jan 19, 2:35 AM ESTSevere Thunderstorm WarningGSPCherokee40 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.