Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 247, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 16, 2002, 7:47 PM EDT for Mecklenburg County, North Carolina. It was in force for 28 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
- Aug 16, 2002, 7:47 PM EDT (23:47 UTC)
- Expired
- Aug 16, 2002, 8:15 PM EDT
- In force
- 28 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Mecklenburg County, NC
The radar
The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 23:49 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 |
|---|---|---|---|
| Aug 16, 8:00 PM EDT | Thunderstorm Wind 50 E | Charlotte, NC | Some powerlines were blown down. |
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, 11.8 hours before the alert went out and 125 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
- 283 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
687 WUUS52 KGSP 162347 SVRGSP NCC119-170015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 746 PM EDT FRI AUG 16 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA * UNTIL 815 PM EDT * AT 746 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES NORTH OF CHARLOTTE...OR ABOUT 5 MILES SOUTHWEST OF HUNTERSVILLE...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CROFT AT 750 PM EDT. HUNTERSVILLE AT 755 PM EDT. CORNELIUS AT 800 PM EDT. DAVIDSON AT 805 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 Aug 16, 2:37 PM EDT, 5 hours 10 minutes earlier.
Area forecast discussion, Aug 16, 2:37 PM EDT, 5 hours 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 237 PM EDT FRI AUG 16 2002 MOIST AIRMASS REMAINS OVER AREA WITH SHOWERS AND THUNDERSTORMS INCREASING OVER MTNS. PRECIPITABLE WATER ON FFC AND GSO SOUNDINGS VCNTY 2 INCHES. ETA AND AVN SHOW VERY WEAK SHRTWV/PVA MOVING OVER AREA TONIGHT AND AVN HAS AN AREA OF WEAK UPPER LEVEL DIVERGENCE PASSING OVER AFTER MIDNIGHT. IT WONT TAKE MUCH TO KEEP CONVECTION GOING WITH THIS AIRMASS SO HAVE INCREASED POPS TO 50 PERCENT OVERNIGHT...MAY EVEN GO 60...WILL WAIT TIL LAST MINUTE TO DECIDE. SATURDAY LOOKS SIMILAR TO TODAY...A LITTLE LESS MOISTURE ON SUNDAY...EVEN LESS MONDAY. KEEPING SCT POPS IN FCST THRU SUN NIGHT. AFTER FIRST PART OF NEXT WEEK...DRYER HIGH PRESSURE BUILDS OVER THE AREA. FCSTID = 77 GSP 71 89 70 91 / 50 50 40 30 AND 71 89 71 92 / 50 50 40 30 CLT 71 90 70 92 / 50 50 40 30 HKY 70 88 69 90 / 50 50 40 30 AVL 66 83 66 85 / 60 50 50 40 .GSP... GA...NONE. NC...NONE. SC...NONE. RB
In the hours before
Special weather statement, Aug 16, 3:15 PM EDT, 4 hours 32 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-170200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 315 PM EDT FRI AUG 16 2002 ...THUNDERSTORMS WITH MORE HEAVY RAINFALL FOR SOME AREAS THIS AFTERNOON AND TONIGHT... THUNDERSTORMS WITH HEAVY RAIN HAVE DEVELOPED ACROSS THE NORTH CAROLINA MOUNTAINS THIS AFTERNOON. THE ATMOSPHERE REMAINS QUITE UNSTABLE AND VERY MOIST...AND THE THREAT OF STORMS WITH HEAVY RAIN WILL CONTINUE ALL AFTERNOON AND INTO THE EVENING. PONDING OF WATER ON ROADS AND HIGHWAYS...AND LOCAL FLOODING COULD POSSIBLY RESULT. FAIRLY WIDESPREAD MODERATE TO HEAVY RAINFALL OCCURRED LAST NIGHT IN PARTS OF THE FOOTHILLS AND PIEDMONT OF THE CAROLINAS. IT IS POSSIBLE A SIMILAR EPISODE COULD DEVELOP AGAIN TONIGHT SOUTH AND EAST OF THE MOUNTAINS. WEAK FEATURES IN THE MIDDLE AND UPPER ATMOSPHERE COULD MOVE OVER THE MOIST TROPICAL AIR IN PLACE ACROSS THE CAROLINAS...SETTING OFF THUNDERSTORM CLUSTERS WHICH CAN CAUSE SEVERAL INCHES OF RAIN IN A SHORT TIME. AS WAS THE CASE LAST NIGHT...SOME AREAS CAN RECEIVE HEAVY RAINFALL OF UP TO 4 TO 6 INCHES...WHILE OTHER LOCATIONS RECEIVE LITTLE IF ANY RAINFALL. FLASH FLOODING...ESPECIALLY IN URBAN AREAS...CAN DEVELOP QUICKLY EVEN DURING A DROUGHT...WHEN EXCESSIVE RAIN FALLS ON GROUND WHICH IS HARD PACKED BECAUSE OF THE LACK OF RAIN...OR ON GROUND SATURATED BY THE PREVIOUS NIGHTS RAIN. IT IS POSSIBLE A FLOOD WATCH OR FLASH FLOOD WARNINGS COULD BE REQUIRED FOR SOME AREAS LATER THIS AFTERNOON OR TONIGHT. WHILE THESE TYPES OF RAIN SYSTEMS BRING BENEFICIAL RAIN...AND PROVIDE SHORT TERM RELIEF FROM THE DROUGHT...THEY HAVE LITTLE EFFECT ON THE PERSISTENT LONG TERM DROUGHT. JONES
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.