Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 266, NWS Greenville-Spartanburg, SC

July 19, 1998Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 19, 1998, 8:22 PM EDT for Union County, South Carolina. It was in force for 48 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
Jul 19, 1998, 8:22 PM EDT (00:22 UTC)
Expired
Jul 19, 1998, 9:10 PM EDT
In force
48 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Union County, SC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.4 hours before the alert went out and 220 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 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 328 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 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
328 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
2202 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
28 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 Jul 19, 1:17 PM EDT, 7 hours 5 minutes earlier.

Area forecast discussion, Jul 19, 1:17 PM EDT, 7 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
117 PM EDT SUN JUL 19 1998

RAH: SLIGHT CHANCE THIS EVENING.

ALL: MOSTLY SUNNY DAYS/PARTLY CLOUDY NIGHTS. CHANCE MON AFT/EVN.
     TEMPS NEAR TODAY'S VALUES.

WARM MOIST AIR BACK OVER ENTIRE REGION TONIGHT. COLD TROUGH ALOFT
MOVING EAST ACROSS N TIER NC WILL ENHANCE ACTIVITY INTO EVENING. ON
MON SHORTWAVE DIVES INTO PROGRESSIVE EAST COAST...AND TAIL END
PASSES OVER CWA FROM N LATE IN DAY. WITH MORE MOISTURE/INSTABILITY
IN PLACE...SCATTERED CONVECTION IN STORE MON AFTERNOON/EVENING.
NEXT WEAK IMPULSE UPSTREAM REMAINS IN MS VALLEY THROUGH LATE TUE.
TEMPERATURES SHOULD REMAIN NEAR PERSISTANCE WITH NO CHANGES TO
UPPE(R/SURFACE PATTERNS.

AVL   65/91/66/91   2330
CLT   69/96/69/96   2330
GSP   70/97/70/97   0330

JAT

In the hours before

Local storm report, Jul 19, 6:42 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
642 PM EDT SUN JUL 19 1998

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

628 PM     2 E SPARTANBURG           SC   WIND DAMAGE
07/19/98   SPARTANBURG                    911 REPORTED TREES/LINES
                                          DOWN EAST SIDE CITY

JONES
Local storm report, Jul 19, 7:15 PM EDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
715 PM EDT SUN JUL 19 1998

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

710 PM     1 SE OLD FORT             NC   WIND DAMAGE
07/19/98   MCDOWELL                       COMMS REPORTED 5 TREES
                                          DOWN ACROSS I-40 WITH WIND
                                          ESTIMATED 60 MPH

JONES
Local storm report, Jul 19, 7:48 PM EDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
748 PM EDT SUN JUL 19 1998

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

740 PM     FOUNTAIN INN              SC   WIND DAMAGE
07/19/98   GREENVILLE                     TREES DOWN ALL OVER CITY.
                                          NUMEROUS POWER OUTAGES. FROM
                                          COMMUNICATIONS CENTER

740 PM     TOWNVILLE                 SC   WIND DAMAGE
07/19/98   ANDERSON                       WINDS ESTIMATED NEAR 80 MPH
                                          DOWNED TREES. ALSO HAIL OF
                                     p     UNKNOWN SIZE. FROM ANDERSON
                                          EMS.

MOYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:17 PM EDTFlash Flood WarningGSPUnion3 hr
Jul 20, 7:52 PM EDTSevere Thunderstorm WarningGSPCabarrus48 min
Jul 20, 7:59 PM EDTSevere Thunderstorm WarningGSPMecklenburg51 min
Jul 19, 8:04 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens51 min
Jul 19, 9:20 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson60 min
Jul 19, 9:20 PM EDTSevere Thunderstorm WarningGSPGreenwood60 min
Jul 19, 9:44 PM EDTSevere Thunderstorm WarningGSPElbert, Hart46 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998Every severe thunderstorm 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.