Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 182, NWS Greenville-Spartanburg, SC

June 16, 1998Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 16, 1998, 4:00 AM EDT for Chester County, South Carolina. It was in force for 50 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: Jun 16, 1998, 4:00 AM EDT (08:00 UTC)
Expired: Jun 16, 1998, 4:50 AM EDT
In force: 50 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Chester County, SC

The radar

The Columbia radar (KCAE), 83 km from the middle of the area, began a volume at 08:03 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

Time	Report	Where	Remark
Jun 16, 4:10 AM EDT	Thunderstorm Wind 50	Chester, 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.0 hours before the alert went out and 192 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: 500 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1905 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

643 
WUUS1 KGSP 160802 RRA
SVRGSP
SCC023-160850-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
400 AM EDT TUE JUN 16 1998

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHESTER COUNTY IN SOUTH CAROLINA

* UNTIL 450 AM EDT

* AT 400 AM...AREA LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM
  NEAR UNION SOUTH CAROLINA...MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHESTER AT 415 AM

PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM.

UNION COUNTY COMMUNICATIONS HAS RECEIVED SEVERAL REPORTS OF TREES
BLOWN DOWN.

JONES


&

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 Jun 16, 2:12 AM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, Jun 16, 2:12 AM EDT, 1 hour 48 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
212 AM EDT TUE JUN 16 1998

RAH: WILL NEED TO DEAL WITH CURRENT TSRA FOR SRN ZONES.
CAE/FFC: HIGH MORNING POPS.

NOT MUCH TIME TO TALK WITH TSRA BEARING DOWN ON CWA. NRN SECTION OF BOW
REMNANTS APPEARS TO BE WEAKENING BELOW SVR BUT STILL STRONG WITH GVL
GUSTING TO 33 KTS. BEST PARAMETERS FOR SVR APPEAR TO BE SRN/ERN CWA
ALONG BEST LOW LEVEL MOISTURE GRADIENT. SOME NEW TSRA FORMING ON NRN END
OF BOW ECHO REMNANTS. RAH WILL HAVE TO ACCOUNT FOR THIS ACROSS SRN
ZONES. LARGE AREA OF PRECIP AND ADDITIONAL TSRA TO WEST. WILL NEED HIGH
MORNING POPS ACROSS NE GA/SC. ETA SHOWS BRIEF DRYING AND SUBSIDENCE
LATER THIS MORNING. THEN SOME MOISTURE CONVERGENCE AND RETURN ALONG
WITH SOME LIFT ASSOCIATED WITH SFC TROF NEAR MS VLY. MAY NEED SOME
AFT/EVE POPS TO COVER SCT CONVECTION WITH THIS. LONGER LIVED DRYING TO
OCCUR AFTER TROF PASSAGE. LOOKS LIKE DRY WX OVERNIGHT TONIGHT AND WED.

FAN FCSTING WARM TEMPS AND AT FIRST GLANCE LOOK OK. NUMBERS SHOWN HERE
WILL ONLY BE QUICK FIRST GUESS.

AVL 85/61/86 4/1/0
CLT 92/69/93 4/1/0
GSP 90/67/92 5/1/0

RWH

In the hours before

Local storm report, Jun 16, 2:56 AM EDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
256 AM EDT TUE JUN 16 1998

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

250 AM     SHILOH COMMUNITY          SC   1.75 INCH HAIL
06/16/98   OCONEE                         COMMS RELAYED PUBLIC
                                          REPORT - ALSO DIME AND
                                          QUARTER HAIL NEARBY AREAS
                                          ABOUT 10 S WALHALLA

JONES

Local storm report, Jun 16, 2:56 AM EDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
256 AM EDT TUE JUN 16 1998

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

250 AM     SHILOH COMMUNITY          SC   1.75 INCH HAIL
06/16/98   OCONEE                         COMMS RELAYED PUBLIC
                                          REPORT - ALSO DIME AND
                                          QUARTER HAIL NEARBY AREAS
                                          ABOUT 10 S WALHALLA

JONES

Local storm report, Jun 16, 3:02 AM EDT, 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
302 AM EDT TUE JUN 16 1998

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

255 AM     TOWN OF CENTRAL           SC   60 MPH TSTM GUST
06/16/98   PICKENS                        COMMS RELAYED PUBLIC
                                          REPORT ESTIMATED WIND

255 AM     CLEMSON                   SC   65 MPH TSTM GUST
06/16/98   PICKENS                        PUBLIC REPORT TO NWS OF 60
                                          TO 70 MPH GUSTS

JONES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 2:28 AM EDT	Severe Thunderstorm Warning	GSP	Oconee	47 min
Jun 16, 2:44 AM EDT	Severe Thunderstorm Warning	GSP	Anderson, Pickens	46 min
Jun 16, 3:15 AM EDT	Severe Thunderstorm Warning	GSP	Greenville	50 min
Jun 16, 3:26 AM EDT	Severe Thunderstorm Warning	GSP	Laurens	34 min
Jun 16, 3:46 AM EDT	Severe Thunderstorm Warning	GSP	Spartanburg, Union	49 min
Jun 16, 7:00 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	35 min
Jun 16, 7:16 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	14 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; radar from the NEXRAD Level II archive.