Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 76, NWS Greenville-Spartanburg, SC

May 11, 20084 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 11, 2008, 2:00 PM EDT for 4 counties in North Carolina. It was in force for 60 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 11, 2008, 2:00 PM EDT (18:00 UTC)
Expired
May 11, 2008, 3:00 PM EDT
In force
60 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cabarrus County, NC, Iredell County, NC, Mecklenburg County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 156 km from the middle of the area, began a volume at 17:59 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, 6.0 hours before the alert went out and 95 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 2008-05-11Temperature 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 2008-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
951 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 11, 12:12 PM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, May 11, 12:12 PM EDT, 1 hour 48 minutes before
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Hazardous weather outlook, May 11, 1:45 PM EDT, 15 minutes before
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In the hours before

Special weather statement, May 11, 1:45 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 PM EDT SUN MAY 11 2008

NCZ036-069>071-111830-
GASTON-IREDELL-LINCOLN-MECKLENBURG-
145 PM EDT SUN MAY 11 2008

...STRONG THUNDERSTORMS WILL AFFECT EASTERN LINCOLN...NORTHEASTERN
GASTON...NORTHERN MECKLENBURG AND SOUTHERN IREDELL COUNTIES THROUGH
230 PM EDT...

AT 142 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM DENVER TO MOUNT
HOLLY...MOVING EAST AT 40 MPH.

THESE STORMS WILL BE NEAR...
  MOUNTAIN ISLAND LAKE BY 150 PM EDT.
  DAVIDSON BY 155 PM EDT.
  HUNTERSVILLE BY 200 PM EDT.
  UNC CHARLOTTE BY 210 PM EDT.

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS.

NED

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 4:11 AM EDTHigh Wind WarningGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more38 hr
May 11, 4:11 AM EDTLake Wind AdvisoryGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more38 hr
May 11, 4:11 AM EDTWind AdvisoryGSPAlexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 16 more34 hr
May 11, 3:37 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell41 min
May 11, 4:10 PM EDTTornado WarningGSPBurke, Cleveland, McDowell, Rutherford50 min
May 11, 4:40 PM EDTTornado WarningGSPCatawba, Cleveland, Lincoln44 min
May 11, 5:09 PM EDTTornado WarningGSPCatawba, Gaston, Lincoln36 min
May 11, 5:31 PM EDTTornado WarningGSPCabarrus, Iredell, Lincoln, Mecklenburg53 min
May 11, 6:08 PM EDTTornado WarningGSPCabarrus35 min
May 11, 7:28 PM EDTSevere Thunderstorm WarningGSPRowan62 min
May 11, 2:53 AM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson33 min
May 11, 3:37 AM EDTSevere Thunderstorm WarningGSPAnderson, Oconee, Pickens23 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2008Every severe thunderstorm warning in 2008

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.