Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 124, NWS Greenville-Spartanburg, SC

July 22, 2000Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 22, 2000, 4:46 PM EDT for Laurens County, South Carolina. It was in force for 44 min. 5 reports 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
Jul 22, 2000, 4:46 PM EDT (20:46 UTC)
Expired
Jul 22, 2000, 5:30 PM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Laurens County, SC

The radar

The Greer radar (KGSP), 49 km from the middle of the area, began a volume at 20:48 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

TimeReportWhereRemark
Jul 22, 4:51 PM EDTHail 0.75Hickory Tavern, SC
Jul 22, 5:08 PM EDTThunderstorm Wind 50 EGray Court, SC
Jul 22, 5:08 PM EDTHail 0.75Gray Court, SC
Jul 22, 5:18 PM EDTThunderstorm Wind 50 ELaurens, SC
Jul 22, 5:18 PM EDTHail 0.75Laurens, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 22, 1:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.8 hours before the alert went out and 256 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, Charleston AFB, SC at 12:00Z on 2000-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2668 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2000-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2668 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

541 
WUUS52 KGSP 222044
SVRGSP
SCC059-222130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
446 PM EDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 445 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 14 MILES SOUTH OF
  GREENVILLE...OR ABOUT 10 MILES WEST OF GRAY COURT...MOVING
  SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRAY COURT AT 455 PM EDT
  ORA AT 510 PM EDT
  LAURENS AT 515 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 Jul 22, 2:48 PM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jul 22, 2:48 PM EDT, 1 hour 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
248 PM EDT SAT JUL 22 2000

CONVECTION WILL CONTINUE THROUGH THE EVENING. WILL TREND EVENING
POPS TO ONGOING CONVECTION. UPR TROF NOW OVER THE EAST WILL CONTINUE
THROUGH THE PERIOD. A SERIES OF SHORT WAVES MOVE THROUGH THE TROF
SUNDAY AND MONDAY WITH GOOD AMOUNTS OF UPPER DIVERGENCE AND UVV.
MOIST UNSTABLE AIR MASS REMAINS IN PLACE ACROSS THE CWFA...ALTHOUGH
THE AIR IS A LITTLE DRIER OVER THE NC MTNS. LOW PRESSURE ALONG THE
STATIONARY FRONT ALONG THE GULF KEEPS A MOIST LOW LEVEL ELY FLOW
ACROSS THE SE. ALL THIS WILL COMBINE TO KEEP THE CHC OF AFT/EVE TSRA
HIGH ACROSS THE CWFA.

TEMPS A LITTLE COOLER SUNDAY THEN A LITTLE COOLER AGAIN MONDAY. THIS
DUE TO CLOUDS...PRECIP...ELY FLOW AND A LITTLE COOLER THICKNESSES.

...PRELIM NUMBERS...
GSP   69  85  67  84 /  20  60  40  50
AND   70  86  68  84 /  20  60  40  50
CLT   69  85  67  84 /  30  60  50  50
HKY   68  84  66  83 /  20  60  40  50
AVL   63  77  62  77 /  20  50  30  40

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

RWH

In the hours before

Special weather statement, Jul 22, 12:23 PM EDT, 4 hours 23 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-222000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1223 PM EDT SAT JUL 22 2000

...SEVERE WEATHER POSSIBLE THIS AFTERNOON AND EVENING ACROSS THE
WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA...

A MOIST...UNSTABLE AIR MASS REMAINS ACROSS THE AREA TODAY AND
THUNDERSTORMS HAVE BEGUN TO DEVELOP. AN UPPER LEVEL DISTURBANCE WILL
MOVE ACROSS THE AREA TODAY ALSO HELPING TO PRODUCE THUNDERSTORMS.
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH THE AFTERNOON AND
EVENING AND SOME COULD BECOME SEVERE. THE MAIN THREAT FROM THESE
STORMS WILL BE DAMAGING DOWNBURST WINDS IN EXCESS OF 58 MPH. SOME
LARGE HAIL IS ALSO POSSIBLE.

SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS
AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY
EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION.

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

RWH
Local storm report, Jul 22, 1:22 PM EDT, 3 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
122 PM EDT SAT JUL 22 2000

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

117 PM     MAULDIN                   SC   1.00 INCH HAIL
07/22/00   GREENVILLE                     QUARTER SIZED HAIL
                                          REPORTED BY OFF DUTY NWS
                                          EMPLOYEE.

RWH
Local storm report, Jul 22, 3:09 PM EDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
309 PM EDT SAT JUL 22 2000

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

230 PM     12 NW LAURENS             SC   WIND DAMAGE
07/22/00   LAURENS                        DAMAGE TO A
                                          GARAGE...PORCH AND ROOF
                                          AT A HOME ON ALLEN BRIDGE
                                          ROAD ON THE EAST SIDE OF
                                          FOUNTAIN INN. REPORT FROM
                                          LAURENS 911.

SAB
Local storm report, Jul 22, 3:56 PM EDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
356 PM EDT SAT JUL 22 2000

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

355 PM     INMAN                     SC   WIND DAMAGE
07/22/00   SPARTANBURG                    NUMEROUS TREES DOWN AND
                                          MARBLE HAIL REPORTED BY
                                          SPOTTER

NEAL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 1:11 PM EDTSevere Thunderstorm WarningGSPGreenville49 min
Jul 22, 3:25 PM EDTSevere Thunderstorm WarningGSPSpartanburg50 min
Jul 22, 4:10 PM EDTSevere Thunderstorm WarningGSPGreenville50 min
Jul 22, 6:13 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.