Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 45, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 7, 2002, 6:31 PM EDT for Cleveland County, North Carolina. It was in force for 29 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 7, 2002, 6:31 PM EDT (22:31 UTC)
- Expired
- May 7, 2002, 7:00 PM EDT
- In force
- 29 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Cleveland County, NC
The radar
The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 22:33 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 7, 6:37 PM EDT | Hail 0.75 | Shelby, NC | |
| May 7, 6:40 PM EDT | Hail 1.75 | Polkville, NC |
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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.5 hours before the alert went out and 171 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
- 1321 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 072231 SVRGSP NCC045-072300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 630 PM EDT TUE MAY 7 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CLEVELAND COUNTY IN THE PIEDMONT OF NORTH CAROLINA * UNTIL 700 PM EDT * AT 631 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 9 MILES NORTH OF SHELBY...OR ABOUT OVER LAWNDALE...MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LAWNDALE AT 635 PM EDT. FALLSTON AT 640 PM EDT. WACO AT 655 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. $$ MOORE
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 7, 2:17 PM EDT, 4 hours 14 minutes earlier.
Area forecast discussion, May 7, 2:17 PM EDT, 4 hours 14 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 217 PM EDT TUE MAY 7 2002 FLATTENED UPPER RIDGE REMAINS OVER FCST AREA WITH WEAK SHRTWVS MOVG THRU FLOW...MAINLY N OF CWA. SFC BOUNDARY WELL N OF AREA OVER OH VALLEY. LATEST GUIDANCE HAS LOWERED POPS THRU THU. WILL KEEP LOW CHANCE POPS IN NC ZONES THRU WED...A BREAK INDICATED WED NIGHT...THEN AS FRONT MOVES FURTHER S OVER AREA...CHANCE SHOWERS AND TSTMS ACROSS ENTIRE CWA THU AND FRI. TEMPS AND WINDS STILL LOOK GOOD WITH ONLY MINOR TWEAKING DONE SINCE LAST ZONE PKG. DAYS 4-7 WILL START OFF SLIGHTLY COOLER THAN NORMAL...AS SURFACE HIGH SETTLES OVER THE AREA IN WAKE OF EXITING FRONT...AND MID LEVEL RIDGE FLATTENS. BY LATE SUNDAY...RIDGE BEGINS TO REASSERT ITSELF ACROSS THE SOUTHEAST...BUT SW TROUGH DIGGING INTO THE UPPER MIDWEST WILL PUSH ANOTHER FRONTAL BOUNDARY INTO THE AREA BY EARLY WEEK. HAVE EXTENDED POPS INTO MONDAY NIGHT...PER HPC PREFERENCE OF SLOWER FRONTAL MOVEMENT THAN ADVERTISED BY MODELS...BUT WILL LEAVE TUESDAY DRY FOR NOW. FCSTID =77 GSP 64 88 63 86 / 20 20 20 30 AND 65 89 64 87 / 20 20 20 30 CLT 63 87 62 85 / 20 20 20 30 HKY 62 85 62 84 / 30 20 30 30 AVL 57 82 56 79 / 30 20 30 40 .GSP... GA...NONE. NC...NONE. SC...NONE. RB
In the hours before
Local storm report, May 7, 6:13 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
613 PM EDT TUE MAY 07 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
605 PM 10 NE FOREST CITY NC .75 INCH HAIL
05/07/02 RUTHERFORDTON EOC REPORT.
JATThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 5:50 PM EDT | Severe Thunderstorm Warning | GSP | Caldwell | 25 min |
| May 7, 5:57 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Rutherford | 33 min |
| May 7, 6:41 PM EDT | Severe Thunderstorm Warning | GSP | Alexander | 49 min |
| May 7, 6:48 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 42 min |
| May 7, 7:00 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston | 60 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2002Every severe thunderstorm warning in 2002
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.