Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 144, NWS Greenville-Spartanburg, SC

June 27, 2002Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 27, 2002, 11:21 PM EDT for Greenville County, South Carolina. It was in force for 39 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: Jun 27, 2002, 11:21 PM EDT (03:21 UTC)
Expired: Jun 28, 2002, 12:00 AM EDT
In force: 39 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Greenville County, SC

The radar

The Greer radar (KGSP), 14 km from the middle of the area, began a volume at 03:25 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.4 hours before the alert went out and 259 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: 1134 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1296 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 280321
SVRGSP
SCC045-280400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1121 PM EDT THU JUN 27 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL MIDNIGHT EDT

* AT 1120 PM EDT...A SEVERE THUNDERSTORM WITH A HISTORY OF PRODUCING 
DAMAGING WINDS WAS LOCATED 13 MILES NORTHEAST OF ANDERSON...OR ABOUT 
14 MILES SOUTHWEST OF SIMPSONVILLE...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GREENVILLE AT 1130 PM EDT.
  SIMPSONVILLE AT 1135 PM EDT.

WIND GUSTS TO 65 MPH ARE LIKELY WITH THIS STORM. 

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR 
DAMAGING WINDS. 

$$

LANE

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 27, 9:10 PM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jun 27, 9:10 PM EDT, 2 hours 11 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
910 PM EDT THU JUN 27 2002

RADAR/SATELLITE IMAGERY INDICATE MCS ACROSS WEST CENTRAL GA MAKING
STEADY PROGRESS TOWARD THE WESTERN CAROLINAS. ALTHOUGH CLOUD TOP
TEMPS CONTINUE TO WARM IN ASSOCIATION WITH THIS COMPLEX...MCS WILL
HOLD TOGETHER TO AFFECT NORTHEAST GEORGIA...WESTERN UPSTATE...AND
PROBABLY SOUTHERN NC MOUNTAINS. WILL ISSUE UPDATE TO BUMP POPS TO
LIKELY IN ABOVE AREAS. WITH WANING INSTABILITY...AM NOT CONFIDENT ON
HOW FAR NORTHEAST INTO OUR CWA MCS WILL TRACK...AND WILL KEEP POPS
IN THE CHANCE RANGE ACROSS THE NORTH CAROLINA PIEDMONT AND NORTHERN
FOOTHILLS. OTHERWISE...FORECAST IS IN GOOD SHAPE.

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

LANE

In the hours before

Local storm report, Jun 27, 11:19 PM EDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1119 PM EDT THU JUN 27 2002

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

1100 PM    5 NW ANDERSON             SC   63 MPH TSTM GUST
06/27/02   ANDERSON                       SPOTTER MEASURED 63  MPH
                                          WIND GUST

1110 PM    ANDERSON                  SC   WIND DAMAGE
06/27/02   ANDERSON                       COUNTY 911 REPORTS TREES
                                          BLOWN DOWN AT MILE MARKER
                                          14 ALONG INTERSTATE 85.

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 11:08 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	37 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2002 Every severe thunderstorm warning in 2002

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.