Alert archive / Georgia / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 224, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2002, 1:57 PM EDT for Hart County, Georgia. It was in force for 48 min. 1 report 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 10, 2002, 1:57 PM EDT (17:57 UTC)
- Expired
- Jul 10, 2002, 2:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Hart County, GA
The radar
The Greer radar (KGSP), 90 km from the middle of the area, began a volume at 17:57 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 |
|---|---|---|---|
| Jul 10, 2:00 PM EDT | Hail 0.88 | Hartwell, GA | Hail was observed in the southeast part of town. |
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, 6.0 hours before the alert went out and 179 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.
280 WUUS52 KGSP 101757 SVRGSP GAC147-101845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 156 PM EDT WED JUL 10 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HART COUNTY IN NORTHEAST GEORGIA * UNTIL 245 PM EDT * AT 156 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF HARTWELL...MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF SOUTHERN HART COUNTY AND SOUTHEASTERN HART 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. $$ RB
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, 1:54 PM EDT, 3 minutes earlier.
Area forecast discussion, Jul 10, 1:54 PM EDT, 3 minutes before
AREA FORECAST DISCUSSION...PRELIMINARY NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 154 PM EDT WED JUL 10 2002 AT 17Z...SYNOPTIC SCALE SFC BNDRY LOOKS TO BE ABT MIDWAY ACRS KY WITH SVRL SMALLER SCALE BNDRYS LOCATED SE OF THIS FEATURE. TSTMS WILL CONTINUE TO FORM ALONG THESE AFOREMENTIONED FEATURES THRU THE EVENING. AS EXPECTED...KGSP VWP SHOWS A WEAKLY SHEARED ENVIRONMENT... BUT WITH MODERATE INSTABILITY AND SOME TURNING WITH HEIGHT...POTENTIAL FOR SOME MULTICELL SVR STORMS CONTINUES. 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... GA...NONE. NC...NONE. SC...NONE.
In the hours before
Special weather statement, Jul 10, 10:44 AM EDT, 3 hours 13 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-102000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1044 AM EDT WED JUL 10 2002 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE TODAY IN THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... A COLD FRONT MOVING SOUTH THROUGH THE CENTRAL APPALACHIANS WILL HELP KICK OFF SHOWERS AND THUNDERSTORMS TODAY. AS THE FRONT AND UPPER TROUGH APPROACH THE WESTERN CAROLINAS...A FEW THUNDERSTORMS COULD BECOME SEVERE THIS AFTERNOON AND EVENING...PRODUCING LARGE HAIL OR WIND GUSTS IN EXCESS OF 60 MPH. ALSO...UPSLOPE FLOW OVER THE NORTH CAROLINA MOUNTAINS WILL TRIGGER INCREASED THUNDERSTORM COVERAGE NEAR THE TENNESSEE BORDER. THIS COULD LEAD TO SUBSTANTIAL RAINFALL AS THUNDERSTORMS TRACK REPEATEDLY OVER THE SAME AREA. RUNOFF PROBLEMS ALONG WITH TO RAPID RISES IN STREAMS AND CREEKS ARE POSSIBLE LATER TODAY. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST UPDATES ON THIS POSSIBLE SEVERE WEATHER SITUATION. RB
Special weather statement, Jul 10, 10:44 AM EDT, 3 hours 13 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-102000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1044 AM EDT WED JUL 10 2002 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE TODAY IN THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... A COLD FRONT MOVING SOUTH THROUGH THE CENTRAL APPALACHIANS WILL HELP KICK OFF SHOWERS AND THUNDERSTORMS TODAY. AS THE FRONT AND UPPER TROUGH APPROACH THE WESTERN CAROLINAS...A FEW THUNDERSTORMS COULD BECOME SEVERE THIS AFTERNOON AND EVENING...PRODUCING LARGE HAIL OR WIND GUSTS IN EXCESS OF 60 MPH. ALSO...UPSLOPE FLOW OVER THE NORTH CAROLINA MOUNTAINS WILL TRIGGER INCREASED THUNDERSTORM COVERAGE NEAR THE TENNESSEE BORDER. THIS COULD LEAD TO SUBSTANTIAL RAINFALL AS THUNDERSTORMS TRACK REPEATEDLY OVER THE SAME AREA. RUNOFF PROBLEMS...ALONG WITH RAPID RISES IN STREAMS AND CREEKS ARE POSSIBLE LATER TODAY. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST UPDATES ON THIS POSSIBLE SEVERE WEATHER SITUATION. RB
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:38 PM EDT | Severe Thunderstorm Warning | GSP | Hart | 67 min |
Nearby
Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.