Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 237, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 22, 2002, 8:06 PM EDT for Oconee County, South Carolina. It was in force for 39 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
- Jul 22, 2002, 8:06 PM EDT (00:06 UTC)
- Expired
- Jul 22, 2002, 8:45 PM EDT
- In force
- 39 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Oconee County, SC
The radar
The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 00:05 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.1 hours before the alert went out and 203 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
- 1487 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1357 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
391 WUUS52 KGSP 230006 SVRGSP SCC073-230045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 805 PM EDT MON JUL 22 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 845 PM EDT * AT 805 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 10 MILES NORTHEAST OF WALHALLA...OR ABOUT 3 MILES EAST OF SALEM...MOVING NORTH AT 15 MPH. ANOTHER STRONG STORM WAS LOCATED WEST OF WALHALLA AND COULD BECOME SEVERE. * THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF NORTHERN OCONEE COUNTY 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. $$ JONES/HANDEL
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, 2:18 PM EDT, 5 hours 48 minutes earlier.
Area forecast discussion, Jul 22, 2:18 PM EDT, 5 hours 48 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 218 PM EDT MON JUL 22 2002 COLD FRONT APPROACHING FROM NORTHWEST TUE NIGHT PROGGED TO HANG UP IN NC MTS FOR SEVERAL DAYS THEN FIZZLING BY SATURDAY. LOW LEVEL MOISTURE INCREASES TUE AND WED COINCIDING WITH APPROACHING FRONT...PERSISTING THRU SATURDAY. VORTICITY INCREASES TUE...THEN A STRONG VORT MAX OVER CWA BY WED EVE. MODELS IN GOOD AGREEMENT FOR SCATTERED SHWRS AND STORMS EVERY AFTN AND EVE THRU SAT. SILENT 20S FOR SUN AND MON WITH ONLY MARGINAL INSTABILITY AND MOISTURE. SLIGHT WARMING TREND THROUGH THE WEEK DUE TO DECREASING CLOUD COVER AS FRONT DISSIPATES. LOWER 90S MOST PIEDMONT AND FOOTHILL LOCATIONS BY END OF THE WEEK. FCSTID = GSP 71 90 72 87 / 40 50 50 50 AND 71 90 72 87 / 40 50 50 50 CLT 70 90 72 88 / 50 50 50 50 HKY 69 87 70 86 / 50 50 50 50 AVL 64 84 67 83 / 40 50 40 50 .GSP... GA...NONE. NC...NONE. SC...NONE. LAMB/DICARLO
In the hours before
Local storm report, Jul 22, 5:08 PM EDT, 2 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
508 PM EDT MON JUL 22 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
445 PM 1 NW CONCORD NC WIND DAMAGE
07/22/02 CABARRUS NUMEROUS TREES REPORTED
DOWN AT CITY LIMITS. ALSO
HAIL OF UNKNOWN SIZE.
REPORTED BY SHERRIFF.
LAMBLocal storm report, Jul 22, 5:13 PM EDT, 2 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
513 PM EDT MON JUL 22 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
510 PM CONCORD NC .75 INCH HAIL
07/22/02 CABARRUS SPOTTER REPORTED DIME
SIZE HAIL NEAR I-85 IN
CONCORD.
LAMBSpecial weather statement, Jul 22, 5:20 PM EDT, 2 hours 46 minutes before
GAZ028-029-NCZ036-037-056-057-068>072-082-SCZ006>014-019-222245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 520 PM EDT MON JUL 22 2002 ...STRONG THUNDERSTORMS MOVING INTO THE UPSTATE AND THE NORTH CAROLINA PIEDMONT... A LINE OF THUNDERSTORMS WILL SLOWLY ADVANCE NORTHWEST...ACROSS THE UPSTATE AND THE NORTH CAROLINA PIEDMONT...THROUGH THE EARLY EVENING HOURS. BETWEEN 530 AND 7 PM...THE LINE WILL AFFECT AREAS EXTENDING FROM GREENWOOD TO LAURENS...ROCK HILL...CHARLOTTE AND STATESVILLE. AS THESE STORMS MOVE INTO A VERY UNSTABLE AIRMASS...SOME OF THEM WILL BECOME SEVERE...PRODUCING DAMAGING WINDS...HAIL TO THE SIZE OF QUARTERS AND CONTINUOUS CLOUD TO GROUND LIGHTNING. THERE WILL ALSO BE VERY HEAVY RAIN...WITH SOME LOCATIONS SEEING 1 TO 2 INCHES OF RAIN IN LESS THAN AN HOUR. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST WEATHER INFORMATION. MCAVOY
Local storm report, Jul 22, 5:26 PM EDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
526 PM EDT MON JUL 22 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
520 PM MONROE NC WIND DAMAGE
07/22/02 UNION A FEW TREES DOWN.
REPORTED BY COUNTY 911.
HANDELSpecial weather statement, Jul 22, 6:57 PM EDT, 1 hour 9 minutes before
NCZ034>036-054>056-066>070-SCZ003-006>009-012-013-230730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 657 PM EDT MON JUL 22 2002 ...STRONG THUNDERSTORMS CONTINUE OVER THE UPSTATE AND THE NORTH CAROLINA PIEDMONT... A LINE OF THUNDERSTORMS WILL SLOWLY ADVANCE NORTHWEST...ACROSS THE NORTHERN PART OF THE SOUTH CAROLINA UPSTATE AND THE NORTH CAROLINA PIEDMONT AND FOOTHILLS...THROUGH THE EARLY EVENING HOURS. BETWEEN 7 AND 830 PM...THE LINE WILL AFFECT AREAS EXTENDING FROM SPARTANBURG TO GAFFNEY...SHELBY AND TAYLORSVILLE. AS THESE STORMS CONTINUE TO MOVE THROUGH A VERY UNSTABLE AIRMASS...SOME OF THEM WILL BECOME SEVERE...PRODUCING DAMAGING WINDS...HAIL TO THE SIZE OF QUARTERS AND CONTINUOUS CLOUD TO GROUND LIGHTNING. IN PARTICULAR...STORMS TODAY HAVE HAD A HISTORY OF PRODUCING DAMAGING WINDS. THERE WILL ALSO BE VERY HEAVY RAIN...WITH SOME LOCATIONS SEEING 1 TO 2 INCHES OF RAIN IN LESS THAN AN HOUR. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST WEATHER INFORMATION. MCAVOY
Local storm report, Jul 22, 7:49 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
749 PM EDT MON JUL 22 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
655 PM 7 SE GAFFNEY SC WIND DAMAGE
07/22/02 CHEROKEE SEVERAL TREES DOWN ON
LOWRYS RD REPORTED BY
HAM.
LAMBThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:01 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 44 min |
Nearby
Severe Thunderstorm Warnings in South 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.