Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 68, NWS Greenville-Spartanburg, SC

May 9, 20085 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 9, 2008, 6:24 PM EDT for 5 counties in North Carolina. It was in force for 36 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 9, 2008, 6:24 PM EDT (22:24 UTC)
Expired
May 9, 2008, 7:00 PM EDT
In force
36 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cabarrus County, NC, Catawba County, NC, Iredell County, NC, Lincoln County, NC, Mecklenburg County, NC

The radar

The Greer radar (KGSP), 136 km from the middle of the area, began a volume at 22:26 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, 10.4 hours before the alert went out and 113 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 2008-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 2008-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
33 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 9, 3:17 PM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, May 9, 3:17 PM EDT, 3 hours 7 minutes before
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Hazardous weather outlook, May 9, 6:10 AM EDT, 12 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
610 AM EDT FRI MAY 9 2008

GAZ010-NCZ033-048>053-058-059-062>065-501-503-505-507-509-101015-
RABUN-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
610 AM EDT FRI MAY 9 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND WESTERN
NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE EXPECTED OVER THE MOUNTAINS THIS
AFTERNOON. THE MAIN THREATS FROM ANY STORMS WILL BE IN THE FORM OF
BRIEF HEAVY RAINFALL...GUSTY WINDS...AND CLOUD TO GROUND
LIGHTNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

GAZ017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-
508-510-SCZ001>014-019-101015-
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-
CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
610 AM EDT FRI MAY 9 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A STRONG COLD FRONT WILL MOVE ACROSS THE REGION SUNDAY...BRINGING
NUMEROUS SHOWERS AND THUNDERSTORMS TO THE AREA. SOME SEVERE
STORMS WILL BE POSSIBLE...PARTICULARLY ACROSS THE PIEDMONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

LANE

In the hours before

Local storm report, May 9, 12:57 PM EDT, 5 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1257 PM EDT FRI MAY 09 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0855 PM     TSTM WND DMG     7 NE TAYLORSVILLE       35.99N 81.09W
05/08/2008                   ALEXANDER          NC   COUNTY OFFICIAL

            A FEW TREES ON POWER LINES IN THE NORTHEAST PART OF THE
            COUNTY. OTHER REPORTS OF POWER LINES DOWN...MAINLY IN THE
            NORTHERN PART OF THE COUNTY.

&&

MOORE
Special weather statement, May 9, 6:17 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
617 PM EDT FRI MAY 9 2008

NCZ036-056-069-071-092245-
CATAWBA-IREDELL-LINCOLN-MECKLENBURG-
617 PM EDT FRI MAY 9 2008

...A STRONG THUNDERSTORM WILL AFFECT EASTERN LINCOLN...NORTHERN
MECKLENBURG...SOUTHEASTERN CATAWBA AND SOUTHERN IREDELL COUNTIES
THROUGH 645 PM EDT...

AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF MAIDEN...OR 6 MILES
NORTHEAST OF LINCOLNTON...MOVING EAST AT 26 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
  NORMAN...TERRELL...MOORESVILLE...MAIDEN...LOWESVILLE...
  LINCOLNTON...HUNTERSVILLE...DENVER...DAVIDSON...CORNELIUS AND BOGER
  CITY.

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 8:11 PM EDTTornado WarningGSPAlexander, Caldwell49 min
May 8, 8:59 PM EDTTornado WarningGSPAlexander, Caldwell32 min
May 8, 9:13 PM EDTTornado WarningGSPAlexander, Iredell47 min
May 8, 9:50 PM EDTTornado WarningGSPDavie, Iredell, Rowan40 min
May 8, 10:28 PM EDTTornado WarningGSPDavie47 min
May 9, 2:25 AM EDTTornado WarningGSPCabarrus, Gaston, Mecklenburg, Rowan35 min
May 9, 6:58 PM EDTSevere Thunderstorm WarningGSPCabarrus, Iredell, Mecklenburg, Rowan62 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.