Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 30, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 2, 2000, 7:54 PM EDT for Greenville County, South Carolina. It was in force for 51 min. 2 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
- May 2, 2000, 7:54 PM EDT (23:54 UTC)
- Expired
- May 2, 2000, 8:45 PM EDT
- In force
- 51 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 23:58 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 2, 8:08 PM EDT | Hail 0.75 | Greenville, SC | |
| May 2, 8:13 PM EDT | Thunderstorm Wind 50 M | Greenville Downtown, 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
485 WUUS52 KGSP 022354 SVRGSP SCC045-030045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 754 PM EDT TUE MAY 2 2000 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 845 PM EDT * AT 754 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 7 MILES NORTH OF GREENVILLE...OR ABOUT OVER PARIS MOUNTAIN STATE PARK...MOVING SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... TAYLORS AT 800 PM EDT GREENVILLE AT 805 PM EDT MAULDIN AT 820 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 SEVERE THUNDERSTORM. $$ MCAVOY
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 May 2, 1:50 PM EDT, 6 hours 4 minutes earlier.
Area forecast discussion, May 2, 1:50 PM EDT, 6 hours 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 150 PM EDT TUE MAY 2 2000 LOCATION OF SFC FRONT AGREES WELL WITH THE 12Z ETA. FRONT IS PROGGED TO DEVELOP ALONG BARRIER COMPONENT AND SLIDE JUST S AND W OF THE CWA BY WED MORNING. HIGH CONTINUES TO BUILD INTO THE REGION... PUSHING SFC CONVERGENCE WELL W OF THE AREA WED AFTN THROUGH THU. THIS RAISES SOME INTERESTING QUESTIONS AS THERE ARE RATHER LARGE MODEL DIFFERENCES IN THE QPF FIELDS. THE FIRST PERIOD LOOKS REASONABLE AS THE ETA GENERATES CONVECTIVE PCPN ALONG ZONE OF STRONG SFC CONVERGENCE AS THE BACK DOOR FRONT DROPS INTO THE NC PIEDMONT. THIS CONVECTION MOVES SE...ALONG THE SFC BNDRY...OVERNIGHT. WEAK H5 MINOR WAVE AND RETREATING H3 JET LEND SUPPORT FROM SOME KIND OF RELATIVELY WEAK MCS. LAPSE RATES ARE NOT VERY STEEP...THOUGH LVLV MOISTURE IS INCREASING. CAPES AVERAGING AROUND 1000 OVER MOST OF THE CWA ATTM. THUS...SOME CONVECTION IS POSSIBLE ALMOST ANYWHERE THIS EVENING. WL KEEP AN EYE ON TRENDS...BUT PLAN TO HAVE HIGHEST POPS ERN ZONES...AND LOWER POPS W. BY WED MOST OF THE BNDRY LAYER FLOW OVER THE CWA IS E TO ENE...AND RATHER BRISK IF THE ETA IS CORRECT. HARD TO IMAGINE MUCH CONVECTION WL DEVELOP WHERE THERE IS NO SFC CONVERGENCE AND PRACTICALLY NO FORCING ALOFT AS UPPER RIDGE ROLLS OVER THE AREA. THINK MOST CONVECTION WOULD DEVELOP ON SFC CONVERGENCE WELL W OF THE CWA. THE MTNS...HOWEVER...SHOULD SEE SOME TSRA DEVELOP W/DIFFERENTIAL HEATING AND AS THEY WL BE ABOVE THS COLD POOL. ETA HAS LLVL DWPTS POOL ALONG AND N OF THE BNDRY W/M60 DWPTS FEEDING ANYTHING THAT DOES GO IN THE HIGHER ELEVATIONS. WL UNDERCUT TEMPS AS WE WL HAVE NE FLOW AND A CLOUD DECK OVER THE COLD POOL. 12Z SFC TRAJECTORIES HAVE THE SOURCE REGION FOR THE AIRMASS NOT TOO FAR TO THE N...SO WL ONLY UNDERCUT RAFS BY 5 OR 6 DEG UNLESS OTHER OFFICES OBJECT. ETA DEVELOPS A HUGE AREA OF RAIN OVER THE SW CWA WED NGHT AND KEEPS IT THERE THROUGH THU. WE/D BE LOOKING AT 2 INCHES OF RAIN IF IT WAS RIGHT. THE AVN IS FURTHER SW AND THE UKMET SIMPLY HAS A LOT LESS PCPN. AGAIN...THINK MOST CONVECTION WL FORM ALONG SFC CONVERGENCE W OF CWA...WITH ONLY THE MTN ELEVATIONS REALLY SEEING ANY SIG PCPN. HARD TO COMPLETELY ARGUE AGAINST THE ETA HOWEVER...AND WL BUMP POPS UP TO GOOD CHANCE SW HALF OF CWA WED NGHT AND THU. STILL LOOKS WARM WITH AFTN AND EVENING TSRA IN THE EXTENDED. PRELIMINARY NUMBERS: AVL 53/72/54/73/56 3355 CLT 57/73/59/76/59 5333 GSP 58/74/60/77/60 3344 .GSP...NONE. MCAVOY
In the hours before
Local storm report, May 2, 6:29 PM EDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
629 PM EDT TUE MAY 02 2000
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
625 PM SOUTH OF DENVER NC 1.00 INCH HAIL
05/02/00 LINCOLN HAM OPERATOR HAD QUARTER
SIZE HAIL ONGOING JUST
` SOUTH OF DENVER IN IN
NORTHEAST LINCOLN CO.
TJB
NNNNLocal storm report, May 2, 6:40 PM EDT, 1 hour 14 minutes before
ZCZC CAEWRKLSR 000
TTAA00 KGSP 022240
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
640 PM EDT TUE MAY 02 2000
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
640 PM S OF MOORESVILLE NC 1.00 INCH HAIL
05/02/00 IREDELL HAM OPERATOR HAD QUARTER
SIZE HAIL ON RALEIGH
SCHOOL ROAD AT
MOORESVILLE.
TJB
NNNNLocal storm report, May 2, 6:45 PM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
645 PM EDT TUE MAY 02 2000
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
639 PM CORNELIUS NC .88 INCH HAIL
05/02/00 MECKLENBURG HAM OPERATOR HAD NICKEL
SIZE HAIL ON I-77 AT
CORNELIUS.
TJB
NNNNLocal storm report, May 2, 6:56 PM EDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
656 PM EDT TUE MAY 02 2000
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
643 PM DAVIDSON NC .88 INCH HAIL
05/02/00 MECKLENBURG HAM RADIO SPOTTER HAD
NICKEL SIZE HAIL AT
DAVIDSON COLLEGE ON
HIGHWAY 115.
TJB
NNNNLocal storm report, May 2, 7:34 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
734 PM EDT TUE MAY 02 2000
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
728 PM NEAR SALISBURY NC 1.00 INCH HAIL
05/02/00 ROWAN ROWAN CO COMMUNICATIONS
REPORTED 3/4 TO ONE INCH
HAIL ON I-85 IN EASTERN
ROWAN COUNTY.
TJB
NNNNLocal storm report, May 2, 7:36 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
736 PM EDT TUE MAY 02 2000
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
728 PM KANNAPOLIS NC .75 INCH HAIL
05/02/00 CABARRAS SPOTTER (DAVID BEAVER)
REPORTED DIME SIZE HAIL IN
NORTHERN CABARRAS COUNTY
IN KANNAPOLIS AREA.
TJB
NNNNThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 4:44 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 46 min |
| May 2, 4:59 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 46 min |
| May 2, 5:11 PM EDT | Flash Flood Warning | GSP | Greenville, Spartanburg | 3 hr |
| May 2, 5:28 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 47 min |
| May 2, 5:40 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 35 min |
| May 2, 6:12 PM EDT | Severe Thunderstorm Warning | GSP | Laurens | 48 min |
| May 2, 7:57 PM EDT | Flash Flood Warning | GSP | Greenville, Spartanburg | 2 hr |
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.