Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 101, NWS Greenville-Spartanburg, SC

June 25, 2000Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 25, 2000, 3:00 PM EDT for Oconee County, South Carolina. It was in force for 30 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 25, 2000, 3:00 PM EDT (19:00 UTC)
Expired
Jun 25, 2000, 3:30 PM EDT
In force
30 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 19:00 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 12:00Z, 7.0 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 12:00Z on 2000-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 915 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, Peachtre/Fal Fld, GA at 12:00Z on 2000-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 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
915 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 251902
SVRGSP
SCC073-251930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
300 PM EDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS EXTENDED A

* SEVERE THUNDERSTORM WARNING FOR...
  OCONEE COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 330 PM EDT

* AT 300 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A         
  SEVERE THUNDERSTORM 8 MILES NORTH OF WALHALLA MOVING EAST
  NORTHEAST  AT 15 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SALEM AT 315 PM EDT

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

$$
SAB

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 25, 2:27 PM EDT, 33 minutes earlier.

Area forecast discussion, Jun 25, 2:27 PM EDT, 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
227 PM EDT MON JUN 25 2000

LARGER SCALE ASCENT/DPVA IN ASSOCIATION WITH ELONGATED VORT AXIS
HELPING TO ENHANCE/ORGANIZE SCT STRONG & ISOLATED SVR TSTMS ACRS
THE WESTERN 1/3 OF THE CWFA. THRU TONIGHT...THIS FEATURE LOSES IT'S
EASTWARD TRANSLATION AS IT BUMPS INTO SUBTROPICAL UPPER RIDGE...
CENTERED WELL OUT IN THE ATLANTIC. WITH THIS FEATURE LINGERING
THRU TONIGHT...ACTIVITY MAY PAST DIURALLY FAVORED TIMEFRAME.

THROUGH THE REST OF THE SHORT RANGE PERIOD...CWFA TO REMAIN IN
WEAKNESS BETWEEN UPPER RIDGES CENTERED IN THE ATLANTIC & OVER THE
SOUTHWEST U.S. PERIODIC WEAK S/WV'S ROTATING THROUGH BROAD UPPER
TROUGH WILL CONTINUE TO BRUSH REGION...SO CHC POPS WILL CONTINUE.

IN THE EXTENDED...MEDIUM RANGE MODELS TRENDING TOWARDS AMPLIFYING
PATTERN THRU THE END OF THE WEEK & DRIVING A FRONTAL ZONE INTO THE
CWFA. TOUGH TO ASERTAIN SOUTHWARD EXTEN
T OF BNDRY BY DAY 5...BUT
NONETHELESS WITH TROUGHINESS & SYNOPTIC SCALE FRONTAL ZONES IN
VCNTY...POPS NEEDED FOR DAYS 3-5.

AVL  63/85/64/84 3434
CLT  68/91/68/90 3333
GSP  69/92/69/91 3333

.GSP...NONE.

CSH

In the hours before

Local storm report, Jun 25, 2:07 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
207 PM EDT SUN JUN 25 2000

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

150 PM     WEAVERVILLE               NC   WIND DAMAGE
06/25/00   BUMCOMBE                       TREES/POWER LINES DOWN. 1
                                          HOME DAMAGED.

150 PM     SKYLAND                   NC   WIND DAMAGE
06/25/00   BUNCOMBE                       TREES DOWN...1 ON A HOUSE.

150 PM     BILTMORE                  NC   WIND DAMAGE
06/25/00   BUMCOMBE                       POWER LINES DOWN.

150 PM     BARNARDSVILLE             NC   WIND DAMAGE
06/25/00   BUNCOMBE                       POWER LINES AND TREES
                                          DOWN. 1 TREE ON A HOUSE.

150 PM     ASHEVILLE                 NC   WIND DAMAGE
06/25/00   BUNCOMBE                       POWER LINES AND TREES
                                          DOWN.

ALL REPORTS FROM BUNCOMBE COUNTY COMMS

RWH
NNNN
Local storm report, Jun 25, 2:51 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
251 PM EDT SUN JUN 25 2000

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

215 PM     BLACK MOUNTAIN            NC   WIND DAMAGE
06/25/00   BUNCOMBE                       15 TO 20 TREES DOWN. SOME
                                          ON VEHICLES AND POWER
                                          LINES. FROM COUNTY COMMS.

230 PM     PLEASANT GARDEN           NC   WIND DAMAGE
06/25/00   MCDOWELL                       TREES DOWN ACROSS HWY 70
                                          AND GREENLEY RD. FROM
                                          COUNTY COMMS.

RWH
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 2:10 PM EDTSevere Thunderstorm WarningGSPOconee50 min
Jun 25, 7:28 PM EDTSevere Thunderstorm WarningGSPChester47 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000Every severe thunderstorm warning in 2000

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.