Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 96, NWS Greenville-Spartanburg, SC

June 22, 2000Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 22, 2000, 1:30 PM EDT for Chester 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 22, 2000, 1:30 PM EDT (17:30 UTC)
Expired
Jun 22, 2000, 2:00 PM EDT
In force
30 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 17:32 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.5 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2000-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 530 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.193958Sfc1 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
530 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

846 
WUUS52 KGSP 221731
SVRGSP
SCC023-221800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
130 PM EDT THU JUN 22 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 200 PM EDT

* AT 130 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH DAMAGING WINDS 14 MILES SOUTHEAST OF CHESTER...OR
  ABOUT 6 MILES NORTHWEST OF GREAT FALLS...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GREAT FALLS AT 135 PM EDT
  FORT LAWN AT 145 PM EDT

SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO 100 MPH. THESE
WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE
HOMES AND SOMETIMES BUILDINGS. VERY LARGE OR WIND-DRIVEN HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

$$

RWH

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 22, 10:13 AM EDT, 3 hours 17 minutes earlier.

Area forecast discussion, Jun 22, 10:13 AM EDT, 3 hours 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1013 AM EDT THU JUN 22 2000

PRECIP MOVING THROUGH THE AREA ATTM ALMOST OUT OF THE NC MTNS.
PRETTY GOOD UPR LEVEL WAVE MOVES THROUGH THE AREA THIS AFTERNOON.
ATMOS REMAINS QUITE MOIST...ALTHOUGH MID LEVEL DRYING WILL WORK IN
THIS AFT. ATMOS BECOMES QUITE UNSTABLE WITH GOOD WIND SHEAR FOR THIS
TIME OF YEAR...ESP ACROSS NC. 12Z GSO RAOB HAD 35 KT WINDS AT H5.
FREEZING LEVEL AND WET BULB ZERO HIGH SO DAMAGING WINDS MOST LIKELY
SVR THREAT. THE SVR THREAT CONTINUES GIVEN ABOVE CONDITIONS. ERN AND
SRN SECTIONS OF CWA MOST LIKELY AREAS.

WILL LOWER POPS ACROSS NC MTNS BUT WILL NOT DROP COMPLETELY AS SOME
REDEVELOPMENT COULD OCCUR. WILL RAISE POPS REST OF AREA. LIKELY NRN
FOOTHILLS/NW PIEDMONT...GOOD CHC ELSEWHERE. MAY HAVE TO MODIFY TEMPS
AS WELL.

.GSP...NONE.

RWH

In the hours before

Special weather statement, Jun 22, 10:46 AM EDT, 2 hours 44 minutes before
GAZ010-017-018-026-028-029-NCZ034>037-054>057-066>072-082-SCZ001>014-
019-222100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1046 AM EDT THU JUN 22 2000

...A FEW SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON...

THE ATMOSPHERE OVER PORTIONS OF THE FOOTHILLS AND PIEDMONT OF NORTH
AND SOUTH CAROLINA...AND PORTIONS OF EXTREME NORTHEAST GEORGIA WILL
BECOME SUFFICIENTLY UNSTABLE FOR THUNDERSTORMS TO FORM THIS
AFTERNOON. THE THUNDERSTORMS SHOULD DEVELOP ALONG A SURFACE TROUGH
OF LOW PRESSURE AND SPREAD EAST AS THE AFTERNOON PROGRESSES.

AT THE SAME TIME...A WEAK UPPER LEVEL LOW WILL CROSS THE
REGION...HELPING TO ORGANIZE THE THUNDERSTORMS. AT THIS TIME...THE
GREATEST THREAT FOR SEVERE WEATHER APPEARS TO BE ALONG AND EAST OF
INTERSTATE 77 IN NORTH CAROLINA...AND SOUTH AND EAST OF INTERSTATE
85 IN SOUTH CAROLINA AND NORTHEAST GEORGIA. DAMAGING WINDS OF 58 MPH
OR HIGHER ARE THE GREATEST THREAT...HOWEVER SOME LARGE HAIL IS ALSO
POSSIBLE.

SPOTTER GROUP ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.
DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE
AWARE OF THIS INFORMATION.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR
MORE INFORMATION ON THIS WEATHER SITUATION.

RWH

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.