Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 172, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 2, 2002, 1:53 PM EDT for Macon County, North Carolina. It was in force for 37 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 2, 2002, 1:53 PM EDT (17:53 UTC)
- Expired
- Jul 2, 2002, 2:30 PM EDT
- In force
- 37 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Macon County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 2:00 PM EDT | Hail 1 | Scaly, NC | Hail damaged at least one vehicle. |
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, 5.9 hours before the alert went out and 221 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
- 2133 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
803 WUUS52 KGSP 021753 SVRGSP NCC113-021830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 152 PM EDT TUE JUL 2 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MACON COUNTY IN WESTERN NORTH CAROLINA * UNTIL 230 PM EDT * AT 152 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHEAST OF CLAYTON...OR ABOUT OVER SCALY... NEAR THE GEORGIA BORDER...MOVING SOUTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SCALY AT 155 PM EDT. OTTO AT 210 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. $$ 07
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 2, 10:38 AM EDT, 3 hours 15 minutes earlier.
Area forecast discussion, Jul 2, 10:38 AM EDT, 3 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1038 AM EDT TUE JUL 2 2002 TDA LOOKS VERY SIMILAR TO YDAY. GSO AND RNK SOUNDINGS SHOW -10 DEG H5 TEMPS...AND ORIENTATION OF THE H5 COLD TROF IS ONCE AGAIN RIGHT OVER THE CWA. THETA-E DIFFERENCES ARE NOT QUITE AS HIGH TDA...BUT STILL ON THE ORDER OF 20 TO 25 DEG. CAPE VALUES WL AGAIN BE AROUND 3000 THIS AFTERNOON. MID LEVEL FLOW IS A LITTLE STRONGER OUT OF THE NE TDA...AND SFC FLOW DOES NOT HAVE THE SWLY COMPONENT THAT IT DID YDAY. THIS SHOULD RESULT IN A LITTLE MORE RAPID STORM MOVEMENT THAN YDAY. LLVL MOISTURE CONVERGENCE IS WEAKER THAN IT WAS YDAY...BUT THE 12 UTC ETA ONCE AGAIN DEVELOPS GOOD CONVERGENCE OVER THE MTNS AND FOOTHILLS THROUGH THE AFTERNOON. THUS...COVERAGE MAY BE A LITTLE LESS THAN YDAY...BUT NOT BY MUCH. HIGHER POPS W LOOK GOOD...AND DON/T PLAN TO MAKE ANY BIG CHANGES IN THE ZONES OTHER THAN MINOR TWEAKS IN GFE. .GSP... GA...NONE. NC...NONE. SC...NONE. MCAVOY
In the hours before
Special weather statement, Jul 2, 1:50 PM EDT, 3 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-030230- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 150 PM EDT TUE JUL 2 2002 ...SCATTERED SEVERE THUNDERSTORMS TO DEVELOP OVER THE REGION AGAIN THIS AFTERNOON AND EVENING... THE ATMOSPHERE OVER THE WESTERN CAROLINAS AND NORTHEAST GEORGIA HAS ONCE AGAIN BECOME VERY UNSTABLE THIS AFTERNOON. AT 130 PM THUNDERSTORMS...SOME SEVERE...WERE ALREADY DEVELOPING OVER THE EASTERN ESCARPMENT OF THE BLUE RIDGE. DAMAGING WINDS WILL BE THE PRIMARY THREAT FROM THE STORMS...THOUGH THE STRONGEST CELLS COULD PRODUCE HAIL UP TO 1 INCH IN DIAMETER. AS THE AFTERNOON AND EARLY EVENING HOURS PROGRESS...THUNDERSTORMS WILL ALSO DEVELOP FARTHER EAST. JUST ABOUT ANY LOCATION EAST OF THE MOUNTAINS WILL HAVE THE POTENTIAL TO SEE A SEVERE THUNDERSTORM LATER IN THE AFTERNOON...THOUGH LOCATIONS WITHIN ABOUT 50 MILES OF THE MOUNTAINS WILL BE MOST AT RISK. THE THUNDERSTORMS WILL DRIFT SLOWLY TO THE SOUTHWEST. SIMILAR TO YESTERDAY...A FEW LOCATIONS WILL SEE SEVERAL INCHES OF RAIN IN A SHORT PERIOD OF TIME...AND SOME ISOLATED FLASH FLOODING PROBLEMS MAY DEVELOP. SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT HTTP://WWW.NWS.NOAA.GOV/ER/GSP MCAVOY
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 2:41 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 49 min |
| Jul 2, 3:37 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 38 min |
| Jul 2, 4:21 PM EDT | Severe Thunderstorm Warning | GSP | Madison | 39 min |
| Jul 2, 5:03 PM EDT | Severe Thunderstorm Warning | GSP | Madison | 42 min |
| Jul 2, 5:33 PM EDT | Severe Thunderstorm Warning | GSP | Avery | 57 min |
| Jul 2, 6:08 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 52 min |
| Jul 2, 6:24 PM EDT | Severe Thunderstorm Warning | GSP | Swain | 66 min |
| Jul 2, 6:30 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 60 min |
| Jul 2, 7:02 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 58 min |
| Jul 2, 7:05 PM EDT | Severe Thunderstorm Warning | GSP | Rutherford | 55 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.