Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 136, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 13, 2002, 8:31 PM EDT for Alexander County, Catawba County, North Carolina. It was in force for 44 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 13, 2002, 8:31 PM EDT (00:31 UTC)
- Expired
- Jun 13, 2002, 9:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Alexander County, NC, Catawba County, NC
The radar
The Greer radar (KGSP), 137 km from the middle of the area, began a volume at 00:30 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 |
|---|---|---|---|
| Jun 13, 8:50 PM EDT | Thunderstorm Wind 50 E | Conover, NC | Some trees and 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 00:00Z, 0.5 hours before the alert went out and 121 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
- 735 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1482 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 13, 3:21 PM EDT, 5 hours 10 minutes earlier.
Area forecast discussion, Jun 13, 3:21 PM EDT, 5 hours 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 321 PM EDT THU JUN 13 2002 KGSP 88D CONTINUES TO INDICATE A FEW TSTMS ALONG LEE TROUGH IN NC FTHLS WITH BETTER CVRG WEST OF MTNS WHERE GREATER INSTABILITY EXISTS. WOULD STILL EXPECT SOME ADDITIONAL ACTIVITY THRU EARLY EVENING ALONG THE LEE TROUGH & IN MTNS...BUT LESS CERTAIN FOR POINTS SE WHERE DRIER DWPTS HAVE MIXED DOWN. SUBTLE VORTS... SMALL SCALE BNDRYS AND OUTFLOWS PROPAGATING EAST WILL KEEP AT LEAST WESTERN PARTS OF THE CWFA UNDER A THUNDERSTORM THREAT EVEN PAST DIURNALLY FAVORED TIMEFRAME AND WILL KEEP POP WORDING FOR TONIGHT AS SUCH. WE MAY BE DEALING WITH ORGANIZED TSTMS...OR REMNANTS THEREOF... TOMORROW MORNING...WITH DECENT SLUG OF OMEGA TRANSLATING EASTWARD ACRS THE CWFA 12-18Z. AS UPPER TROUGH DEEPENS ACRS THE EASTERN U.S. FRIDAY...THERES LITTLE DOUBT THAT COOLING ALOFT AND A STRENGTHENING VERTICAL WIND PROFILE WILL ACCOMPANY...BUT TIMING WITH GREATEST INSTABILITY MAY WIND UP BEING EAST OF THE CWFA. AT ANY RATE...AS FAR AS ZFP IS CONCERNED SEE LTL REASON TO DEVIATE FROM GOING CHC POPS CWFA WIDE. LLVL CAA AND PROGRESSIVE DRYING IN WAKE OF FRONT WILL BE FEATURED FRIDAY NIGHT...AS LLVL UPSLOPE MOISTURE LINGERS ACRS NC MTNS INTO SATURDAY. 12Z AVN STILL ROUGHLY SUPPORTS IDEA OF RETURN FLOW MOISTURE AND PCPN REDEVELOPING MONDAY OR MONDAY NIGHT...SO WILL ADD POP WORDING FOR THIS PERIOD. MEAN ENSEMBLE POPS STILL HIGHEST ON TUESDAY...SO WILL CONTINUE GOING POP WORDING FOR THEN AS WELL. FCSTID = 55 GSP 68 88 64 84 / 20 40 10 0 AND 69 89 64 85 / 20 40 10 0 CLT 69 88 64 84 / 20 40 10 0 HKY 67 85 62 82 / 20 40 10 0 AVL 65 81 58 79 / 30 40 10 0 .GSP... GA...NONE. NC...NONE. SC...NONE.
In the hours before
Local storm report, Jun 13, 7:23 PM EDT, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
723 PM EDT THU JUN 13 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
720 PM OLD FORT NC WIND DAMAGE
06/13/02 MCDOWELL TREES AND POWER LINES
DOWN. REPORTED BY COUNTY
COMMUNICATIONS CENTER.
705 PM BLACK MOUNTAIN NC WIND DAMAGE
06/13/02 BUNCOMBE TREES AND POWER LINES
DOWN. REPORTED BY COUNTY
COMMUNICATIONS CENTER.
MCAVOYLocal storm report, Jun 13, 8:29 PM EDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
829 PM EDT THU JUN 13 2002
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
817 PM 5 NE MORGANTON NC 65 MPH TSTM GUST
06/13/02 BURKE REPORTED BY AUTOMATED
SENSOR.
MCAVOYThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:11 PM EDT | Severe Thunderstorm Warning | GSP | Caldwell | 49 min |
| Jun 13, 9:24 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 66 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; radar from the NEXRAD Level II archive.