Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 138, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 20, 2002, 2:30 PM EDT for Buncombe County, North Carolina. It was in force for 45 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
- Jun 20, 2002, 2:30 PM EDT (18:30 UTC)
- Expired
- Jun 20, 2002, 3:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Buncombe County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 2:40 PM EDT | Hail 0.75 | Leicester, NC |
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, 6.5 hours before the alert went out and 243 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
- 309 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 201830 SVRGSP NCC021-201915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 230 PM EDT THU JUN 20 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA * UNTIL 315 PM EDT * AT 229 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL 8 MILES SOUTH OF MARSHALL...OR ABOUT 3 MILES NORTHWEST OF LEICESTER. THE STORM WAS NEARLY STATIONARY. * THE SEVERE THUNDERSTORM WILL BE NEAR... LEICESTER AT 235 PM EDT. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH ARE LIKELY WITH THIS STORM. 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/LANE
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 Jun 20, 10:43 AM EDT, 3 hours 47 minutes earlier.
Area forecast discussion, Jun 20, 10:43 AM EDT, 3 hours 47 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1043 AM EDT THU JUN 20 2002 AREA SOUNDINGS ONCE AGAIN INDICATE VERY SHALLOW LAYER OF LOW LEVEL MOISTURE ACROSS THE AREA THIS MORNING. THIS SHOULD MIX OUT NICELY DURING THE AFTERNOON...LEAVING A RATHER DRY SURFACE AIRMASS FOR LATE JUNE. WITH 500MB THERMAL TROUGH POSITIONED OVER THE AREA...AM STILL CONCERNED THAT A FEW MORE STORMS COULD INITIATE LATE THIS AFTERNOON AND EVENING...MAINLY IN THE SAME AREAS THAT RECEIVED CONVECTION YESTERDAY. PLAN ON ADDING ISOLATED THUNDER ACROSS THE MOUNTAINS... WHERE DIFFERENTIAL HEATING WILL BE A FACTOR...AND ACROSS THE UPSTATE AND SOUTHWEST PIEDMONT...WHICH WILL BE IN VICINITY OF 500MB SHEAR AXIS. ALREADY BEGINNING TO SEE CU FIELD DEVELOPMENT EAST OF THE BLUE RIDGE...AND WILL GO AHEAD AND BUMP SKY COVERAGE UP TO PARTLY CLOUDY. TEMPS LOOK GOOD IN GENERAL...AND PLAN ONLY A FEW TWEAKS. .GSP... GA...NONE. NC...NONE. SC...NONE. LANE
In the hours before
Special weather statement, Jun 20, 2:22 PM EDT, 8 minutes before
GAZ010-017-NCZ033-048>053-058-059-062>065-SCZ001>003-202200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 222 PM EDT THU JUN 20 2002 THUNDERSTORMS WILL CONTINUE TO DEVELOP IN THE MOUNTAINS THROUGH THE AFTERNOON...AND INTO THE EARLY EVENING. COVERAGE OF THE STORMS WILL NOT BE WIDESPREAD. HOWEVER...SOME OF THE STORMS COULD BECOME STRONG...WITH PEA TO MARBLE SIZE HAIL...AND GUSTY WINDS TO 40 MPH OR HIGHER. CLOUD TO GROUND LIGHTNING WILL OCCUR IN THE MOUNTAINS...SO PEOPLE IN OUTDOOR AREAS SHOULD MOVE TO SAFETY BEFORE A STORM ARRIVES. A STORM OR TWO COULD PRODUCE A BIT LARGER HAIL...UP TO DIME OR QUARTER SIZE...AND SEVERE THUNDERSTORM WARNINGS COULD BECOME NECESSARY IN THOSE CASES. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. JONES
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 4:23 PM EDT | Severe Thunderstorm Warning | GSP | Swain | 37 min |
| Jun 20, 4:57 PM EDT | Severe Thunderstorm Warning | GSP | Graham | 48 min |
| Jun 20, 5:08 PM EDT | Severe Thunderstorm Warning | GSP | Macon | 37 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.