Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 262, NWS Greenville-Spartanburg, SC

July 19, 1998Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 19, 1998, 7:38 PM EDT for Oconee County, South Carolina. It was in force for 47 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: Jul 19, 1998, 7:38 PM EDT (23:38 UTC)
Expired: Jul 19, 1998, 8:25 PM EDT
In force: 47 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Oconee County, SC

What was reported inside it

Time	Report	Where	Remark
Jul 19, 7:42 PM EDT	Thunderstorm Wind 50	Westminster, 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 12:00Z, 11.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 78 J/kg
Mixed-layer CIN: -174 J/kg
Mixed-layer LCL: 1743 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: -3 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, 6 hours 21 minutes earlier.

Area forecast discussion, Jul 19, 1:17 PM EDT, 6 hours 21 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, 56 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, 23 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 7:44 PM EDT	Severe Thunderstorm Warning	GSP	Union	51 min
Jul 19, 6:26 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	49 min
Jul 19, 7:52 PM EDT	Severe Thunderstorm Warning	GSP	Chester	48 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.