Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 133, NWS Greenville-Spartanburg, SC

June 13, 2002McDowell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 13, 2002, 7:20 PM EDT for McDowell County, North Carolina. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 13, 2002, 7:20 PM EDT (23:20 UTC)
Expired
Jun 13, 2002, 8:00 PM EDT
In force
40 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County McDowell County, NC

The radar

The Greer radar (KGSP), 90 km from the middle of the area, began a volume at 23:21 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.3 hours before the alert went out and 199 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2002-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 150 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2002-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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 132320
SVRGSP
NCC111-140000-

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 719 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH DAMAGING WINDS 13 MILES SOUTHWEST OF MARION...OR
  ABOUT 3 MILES SOUTHWEST OF OLD FORT...MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUGAR HILL AT 745 PM EDT.
  GLENWOOD AT 755 PM EDT.
  FERO AT 800 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.

$$

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, 3 hours 59 minutes earlier.

Area forecast discussion, Jun 13, 3:21 PM EDT, 3 hours 59 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:32 PM EDTSevere Thunderstorm WarningGSPBurke58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.