Alert archive / North Carolina / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 13, NWS Greenville-Spartanburg, SC

May 9, 2004Burke County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 9, 2004, 1:01 AM EDT for Burke County, North Carolina. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 9, 2004, 1:01 AM EDT (05:01 UTC)
Expired
May 9, 2004, 1:45 AM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Burke County, NC

The radar

The Greer radar (KGSP), 101 km from the middle of the area, began a volume at 05:04 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 5.0 hours before the alert went out and 161 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 2004-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1276 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 2004-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
1276 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
119 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 090501
SVRGSP
NCC023-090545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
101 AM EDT SUN MAY 9 2004

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 145 AM EDT

* AT 101 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 12 MILES SOUTH OF MORGANTON...OR ABOUT 8 MILES
  SOUTHWEST OF PLEASANT GROVE...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PLEASANT GROVE AROUND 120 AM EDT.
  VALDESE AROUND 135 AM EDT.
  CONNELLY SPRINGS AROUND 140 AM EDT.
  HILDEBRAN AROUND 145 AM 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.

LAT...LON 3564 8147 3556 8154 3556 8168 3560 8169
          3560 8175 3558 8182 3562 8182 3577 8154
          3578 8145 3572 8138

$$
07

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 8:50 PM EDTSevere Thunderstorm WarningGSPTransylvania40 min
May 8, 11:35 PM EDTSevere Thunderstorm WarningGSPMitchell40 min
May 8, 11:42 PM EDTSevere Thunderstorm WarningGSPMcDowell48 min
May 9, 12:44 AM EDTSevere Thunderstorm WarningGSPRutherford46 min
May 9, 1:37 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood38 min
May 9, 4:36 PM EDTSevere Thunderstorm WarningGSPAlexander54 min
May 9, 4:44 PM EDTSevere Thunderstorm WarningGSPIredell46 min
May 9, 4:47 PM EDTSevere Thunderstorm WarningGSPIredell43 min
May 9, 5:16 PM EDTSevere Thunderstorm WarningGSPRutherford44 min
May 9, 5:24 PM EDTSevere Thunderstorm WarningGSPRowan51 min
May 9, 6:06 PM EDTSevere Thunderstorm WarningGSPLincoln54 min
May 9, 6:35 PM EDTSevere Thunderstorm WarningGSPCatawba55 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2004Every severe thunderstorm warning in 2004

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.