Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 135, NWS Greenville-Spartanburg, SC

August 4, 2000Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 4, 2000, 2:56 PM EDT for Spartanburg County, South Carolina. It was in force for 64 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: Aug 4, 2000, 2:56 PM EDT (18:56 UTC)
Expired: Aug 4, 2000, 4:00 PM EDT
In force: 64 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Spartanburg County, SC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 228 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: 574 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 750 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 041857
SVRGSP
SCC083-042000-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
256 PM EDT FRI AUG 4 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 400 PM EDT

* AT 256 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 13 MILES WEST OF SPARTANBURG...OR ABOUT OVER LYMAN...
  MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DUNCAN AT 300 PM EDT
  REIDVILLE AT 310 PM EDT
  SPARTANBURG AT 320 PM EDT
  ROEBUCK AT 325 PM EDT
  MOORE AT 330 PM EDT

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

$$

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 Aug 4, 2:40 PM EDT, 16 minutes earlier.

Area forecast discussion, Aug 4, 2:40 PM EDT, 16 minutes before

SCZ001>014-019-NCZ033>037-048>059-062>072-082-GAZ010-017-018-026-028-
029-041334-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
240 PM EDT FRI AUG 4 2000

STRONG CONVECTION MOVING E OF FORECAST AREA WITH SHORTWAVE. STILL
EXPECT SCT TSTMS/SHWRS OVERNIGHT SINCE DEEP MOISTURE AND UNSTABLE
FLOW CONTINUES...BUT AREA WAS PRETTY WELL WORKED OVER THIS AFTERNOON
INTO EARLY EVE AND EXPECT CONVECTION TO STAY WEAK. WILL LOWER POPS
AND REMOVE EVENING WORDING...REST OF FORECAST OK.

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

RB

In the hours before

Special weather statement, Aug 4, 12:45 PM EDT, 2 hours 11 minutes before

NCZ033>035-048>056-058-059-062>070-SCZ001>010-012>014-050100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1245 PM EDT FRI AUG 4 2000

THUNDERSTORMS ARE MOVING INTO THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA THIS AFTERNOON.  THESE THUNDERSTORMS CONTAIN VERY HEAVY RAIN
...FREQUENT LIGHTNING AND HAVE THE POTENTIAL FOR STRONG GUSTY WINDS
AND SMALL HAIL.  WHILE MOST OF THESE STORMS ARE NOT EXPECTED TO MEET
SEVERE STORM CRITERIA...IT IS POSSIBLE THAT A FEW MIGHT REACH SEVERE
LEVELS AS WELL AS PRODUCE LOCALIZED FLOODING.

PEOPLE...PARTICULARLY MOTORISTS SHOULD BE ALERT TO THUNDERSTORM
HAZARDS AS THESE THUNDERSTORMS DEVELOP OVER THE AREA THROUGHOUT THE
AFTERNOON AND EVENING.

STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR MORE INFORMATION ON
THIS SEVERE WEATHER SITUATION.

DICARLO

Local storm report, Aug 4, 2:44 PM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
244 PM EDT FRI AUG 04 2000

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

225 PM     SALEM                     SC   WIND DAMAGE
08/04/00   OCONEE                         5 LARGE TREES DOWN. POWER
                                          LINES DOWN.

MCAVOY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 2:04 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	41 min
Aug 4, 5:31 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	44 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000 Every 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.