Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 227, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2002, 6:38 PM EDT for Anderson County, South Carolina; Hart County, Georgia. It was in force for 67 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 10, 2002, 6:38 PM EDT (22:38 UTC)
- Expired
- Jul 10, 2002, 7:45 PM EDT
- In force
- 67 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Hart County, GA, Anderson County, SC
The radar
The Greer radar (KGSP), 73 km from the middle of the area, began a volume at 22:41 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 12:00Z, 10.6 hours before the alert went out and 196 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
- 521 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
386 WUUS52 KGSP 102238 SVRGSP GAC147-SCC007-102345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 638 PM EDT WED JUL 10 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN HART COUNTY IN NORTHEAST GEORGIA SOUTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 745 PM EDT * AT 638 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 5 MILES EAST OF HARTWELL...OR ABOUT 4 MILES SOUTH OF SADLERS CREEK STATE PARK... MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STARR AT 655 PM EDT. IVA AT 700 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. $$ BPM/NED
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 10, 3:26 PM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, Jul 10, 3:26 PM EDT, 3 hours 12 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 326 PM EDT WED JUL 10 2002 AT 19Z...SYNOPTIC SCALE SFC BNDRY LOOKS TO BE ACRS SRN KY WITH SVRL SMALLER SCALE BNDRYS LOCATED SE OF THIS FEATURE. TSTMS WILL CONTINUE TO FORM ALONG THESE AFOREMENTIONED FEATURES THRU THE EVENING. LOOKS LIKE AN ISOLATED PULSE SVR THREAT WILL CONTINUE THRU EARLY EVENING AS WE WAIT FOR SYNOPTIC SCALE BNDRY OVER SRN KY ATTM...TO SINK SWD. SOME DIFFERENCES STILL EXIST WRT TIMING OF THE SOUTHWARD MOVEMENT OF COLD FRONT ACRS THE CWFA...WITH AVN STILL ABT 6 OR SO HRS LATER WITH WIND SHIFT & HAVE GENERALLY FOLLOWED THIS SOLUTION. BASED OF CVRG OF DIURNALLY FIRED DEEP CONVECTION ALONG WITH ADDITIONAL DEVELOPMENT ALONG LLVL BNDRYS ...PROBABLY CAN GET AWAY WITH LIKELYS EVERYWHERE FOR THE 12 HR POP FOR TONIGHT...BUT WILL FINE TUNE THIS CLOSER TO ZFP RELEASE TIME. ALL MDLS STILL IN REASONABLE AGREEMENT WRT TO LOCATION OF HEAVIEST PCPN...ALONG & EAST OF VORT EMBEDDED IN NW FLOW...MAINLY EAST OF THE CWFA. ON THURSDAY...STILL UNCERTAIN ON HOW FAR SW LLVL DRY AIR ADVECTS IN WAKE OF FRONT...BUT CONSENSUS FCST IS ADVERTISING MOST IF NOT ALL OF CWFA REMAINING UNDER A CONSIDERABLE AMNT OF LLVL RH THRU THE DAY...WITH EVEN AVN GENERATING PCPN AS FAR NORTH AS MY NORTHERN NC TIER. SO PLAN ON KEEPING CHC POPS GOING...WHICH IS IN GOOD AGREEMENT WITH MRX/RNK ZONES. A SIMILAR DILEMMA ARISES FOR FRIDAY AS A STRGR NORTHERN STREAM S/WV DIVES SE TOWARD THE CWFA... DEVELOPING/ENHANCING WAVE ALONG OLD FRONTAL BNDRY. THE COMBINATION OF LARGE SCALE LIFT OUT AHEAD OF THE UPPER WAVE & INCREASED LLVL UPGLIDE/UPSLOPE FLOW SHOULD NOTABLY INCREASE PCPN CVRG ACRS THE REGION. BUT AGAIN...THE DEGREE OF LLVL DRY AIR WEDGED INTO THE CWFA REMAINS UNCERTAIN...WITH AVN ONCE AGAIN MORE AGGRESSIVE IN SPREADING PCPN BACK NWD ACRS THE CWFA. WILL CONTINUE TO FOLLOW THIS TREND WHICH SUPPORTS THE GOING FCST & IS IN GOOD AGREEMENT WITH ADJACENT ZONES. LTL CHANGE IN THE SYNOPTIC PATTERN FOR SATURDAY WITH A COMBO OF UVVS FROM NORTHERN STREAM WAVE & SE LLVL FLOW KEEPING CHC FOR PCPN GOING CWFA WIDE. UPPER PATTERN ACRS THE SE US WILL GRADUALLY TRANSITION BACK TO TYPICAL SUMMERTIME REGIME THRU DAYS 4-7 WITH SW FLOW ALOFT GIVING WAY TO BERMUDA HIGH PRESSURE. FCSTID = 55 GSP 71 83 67 81 / 50 30 30 40 AND 71 85 68 82 / 50 30 30 40 CLT 70 82 66 80 / 50 30 30 30 HKY 68 80 64 79 / 50 20 20 30 AVL 66 78 63 78 / 50 30 30 40 .GSP... GA...NONE. NC...NONE. SC...NONE.
In the hours before
Local storm report, Jul 10, 2:10 PM EDT, 4 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
210 PM EDT WED JUL 10 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
205 PM HARTWELL GA .88 INCH HAIL
07/10/02 HART NICKEL SIZED HAIL
REPORTED BY COUNTY 911 ON
SOUTHEAST SIDE OF TOWN.
HANDELLocal storm report, Jul 10, 5:46 PM EDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
546 PM EDT WED JUL 10 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
525 PM GREENVILLE SC WIND DAMAGE
07/10/02 GREENVILLE SHERIFFS OFFICE REPORTS
TREES DOWN.
525 PM GREENVILLE SC WIND DAMAGE
07/10/02 GREENVILLE SHERIFFS OFFICE REPORTED
POWER LINES DOWN.
535 PM 5 N SIMPSONVILLE SC WIND DAMAGE
07/10/02 GREENVILLE SPOTTER REPORTED LARGE
TREE LIMBS DOWN.
JATLocal storm report, Jul 10, 5:53 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
553 PM EDT WED JUL 10 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
512 PM EASLEY SC WIND DAMAGE
07/10/02 PICKENS EOC REPORTED TREES AND
POWERS LINES DOWN.
JATThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 5:07 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Pickens | 53 min |
| Jul 10, 5:37 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 53 min |
| Jul 10, 1:57 PM EDT | Severe Thunderstorm Warning | GSP | Hart | 48 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2002Severe Thunderstorm Warnings in Georgia, 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.