Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 134, NWS Greenville-Spartanburg, SC

June 13, 2002Burke County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 13, 2002, 7:32 PM EDT for Burke County, North Carolina. It was in force for 58 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, 7:32 PM EDT (23:32 UTC)
Expired: Jun 13, 2002, 8:30 PM EDT
In force: 58 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Burke County, NC

The radar

The Greer radar (KGSP), 107 km from the middle of the area, began a volume at 23:36 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, 8:10 PM EDT	Thunderstorm Wind 55 E	Morganton, NC	Some trees and powerlines were blown down along Smoky Creek Road, near the Morganton-Lenoir Airport.

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, 11.5 hours before the alert went out and 167 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 150 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1411 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KGSP 132332
SVRGSP
NCC023-140030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
732 PM EDT THU JUN 13 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BURKE COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 830 PM EDT

* AT 732 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
  SEVERE THUNDERSTORMS WITH DAMAGING WINDS FROM 9 MILES SOUTHEAST OF
  SPRUCE PINE TO 6 MILES SOUTH OF MARION...MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  GLEN ALPINE AT 755 PM EDT.
  MORGANTON AT 805 PM EDT.
  DREXEL AT 820 PM EDT.
  VALDESE AT 825 PM EDT.
  CONNELLY SPRINGS AT 830 PM EDT.

PEOPLE IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS SHOULD BE
ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND
LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM.

$$

NED/BPM

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, 4 hours 11 minutes earlier.

Area forecast discussion, Jun 13, 3:21 PM EDT, 4 hours 11 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, 9 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.

MCAVOY

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 7:20 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	40 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2002 Every 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.