Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 50, NWS Greenville-Spartanburg, SC

May 8, 2002Alexander County, Davie County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 8, 2002, 3:47 PM EDT for Alexander County, Davie County, Iredell County, North Carolina. It was in force for 28 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
May 8, 2002, 3:47 PM EDT (19:47 UTC)
Expired
May 8, 2002, 4:15 PM EDT
In force
28 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Alexander County, NC, Davie County, NC, Iredell County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 89 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 2002-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2002-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
965 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
107 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 081947
SVRGSP
NCC003-059-097-082015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
347 PM EDT WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA
  WEST CENTRAL DAVIE COUNTY IN THE PIEDMONT OF NORTH CAROLINA
  NORTHEASTERN ALEXANDER COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 415 PM EDT

* AT 347 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 11 MILES NORTHEAST OF TAYLORSVILLE...OR ABOUT OVER
  LOVE VALLEY...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  UNION GROVE AT 350 PM EDT.
  TURNERSBURG AT 410 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.

$$

RB

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 May 8, 1:55 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, May 8, 1:55 PM EDT, 1 hour 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
155 PM EDT WED MAY 8 2002

IN THE SHORT TERM...LITTLE CHANGE FROM THE LAST COUPLE DAYS AS
FAIRLY MOIST UNSTABLE AIR REMAINS OVER CWA WITH LITTLE IN THE WAY OF
DISCERNABLE UPPER SHORTWAVES TO TRIGGER CONVECTION. IN FACT BOTH ETA
AND AVN IN GOOD AGREEMENT SHOWING RIDGE BUILDING SLIGHTLY AND WEAK
NVA INTO MID EVENING. WITH AIR UNSTABLE COULD STILL SEE SCATTERED
STORMS LATE AFTERNOON THROUGH THIS EVENING AND WILL LEAVE THEM
MENTIONED IN ZONES. SOME SMALL CELLS POPPING UP ALREADY.

UPPER PATTERN IS NOT FORECAST TO CHANGE APPRECIABLY THROUGH THE
WEEKEND...THEN A MAJOR SHORTWAVE TROF IS FCST TO DIVE TOWARD THE SE
US...PUTTING AREA IN A BROAD UPPER TROF. IF THIS OCCURS THE SURFACE
FRONT WILL PUSH S OF THE AREA...KEEPING CWA COOLER WITH TEMPS CLOSER
TO AVG FOR THE FIRST PART OF NEXT WEEK.

FCSTID =
GSP   66  89  66  82 /  30  30  30  30
AND   67  90  67  83 /  30  30  30  30
CLT   65  88  64  82 /  30  30  30  30
HKY   63  85  61  81 /  30  30  30  30
AVL   57  79  55  74 /  30  30  40  20

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

RB

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:05 PM EDTSevere Thunderstorm WarningGSPRowan40 min
May 8, 3:49 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell26 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.