Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 49, NWS Greenville-Spartanburg, SC

May 7, 2002Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 7, 2002, 8:05 PM EDT for Rowan County, North Carolina. It was in force for 40 min. 2 reports 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
May 7, 2002, 8:05 PM EDT (00:05 UTC)
Expired
May 7, 2002, 8:45 PM EDT
In force
40 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Rowan County, NC

The radar

The Roanoke radar (KFCX), 156 km from the middle of the area, began a volume at 00:04 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

TimeReportWhereRemark
May 7, 8:05 PM EDTThunderstorm Wind 50 ESpencer, NCA few trees were blown down.
May 7, 8:20 PM EDTThunderstorm Wind 55 ESalisbury, NCA garage along River Road was moved off of its foundation, and its tin roof was blown for a distance of 300 yards. A large iron wheel was blown a distance of 50 yards. Numerous trees were also 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, 0.1 hours before the alert went out and 75 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 00:00Z on 2002-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1019 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2002-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
1019 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1154 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 080005
SVRGSP
NCC159-080045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
803 PM EDT TUE MAY 7 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 845 PM EDT

* AT 803 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL 7 MILES EAST OF SALISBURY...OR ABOUT 3
  MILES NORTHWEST OF CRAVEN...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF
  EASTERN ROWAN COUNTY

ANOTHER STRONG THUNDERSTORM CONTINUES TO DEVELOP IN IREDELL COUNTY 
AND MAY BECOME SEVERE AS IT MOVES INTO WESTERN ROWAN COUNTY BETWEEN 
815 PM AND 830 PM.

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.

$$

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 3:47 PM EDTSevere Thunderstorm WarningGSPAlexander, Davie, Iredell28 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.