Alert archive / North Carolina / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 71, NWS Greenville-Spartanburg, SC

June 6, 2005Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 6, 2005, 2:26 PM EDT for Transylvania County, North Carolina. It was in force for 64 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
Jun 6, 2005, 2:26 PM EDT (18:26 UTC)
Expired
Jun 6, 2005, 3:30 PM EDT
In force
64 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Transylvania County, NC

The radar

The Greer radar (KGSP), 61 km from the middle of the area, began a volume at 18:25 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.4 hours before the alert went out and 260 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, Peachtre/Fal Fld, GA at 12:00Z on 2005-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1178 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, Peachtre/Fal Fld, GA at 12:00Z on 2005-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
1178 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
3 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 061826
SVRGSP
NCC175-061930-
/O.NEW.KGSP.SV.W.0071.050606T1826Z-050606T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
226 PM EDT MON JUN 6 2005

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 330 PM EDT

* AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ROSMAN...OR ABOUT NEAR BREVARD...AND MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CEDAR MOUNTAIN AND LITTLE RIVER AROUND 300 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.

LAT...LON 3527 8285 3506 8288 3514 8256 3532 8263

$$

RWH
2 follow-up statements
000 
WWUS52 KGSP 061856
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
255 PM EDT MON JUN 6 2005

NCC175-061930-
/O.CON.KGSP.SV.W.0071.000000T0000Z-050606T1930Z/
TRANSYLVANIA NC-
255 PM EDT MON JUN 6 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 330 PM EDT FOR 
TRANSYLVANIA COUNTY...

AT 249 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR ROSMAN...OR ABOUT 8 MILES SOUTH OF BREVARD...MOVING
SOUTHEAST AT 5 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTHWEST OF CEDAR MOUNTAIN AROUND 310 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 3527 8285 3506 8288 3514 8256 3532 8263

$$

RWH
000 
WWUS52 KGSP 061926
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT MON JUN 6 2005

NCC175-061935-
/O.EXP.KGSP.SV.W.0071.000000T0000Z-050606T1930Z/
TRANSYLVANIA NC-
325 PM EDT MON JUN 6 2005

...THE SEVERE THUNDERSTORM WARNING FOR TRANSYLVANIA COUNTY WILL 
EXPIRE AT 330 PM EDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED...AND IS MOVING OUT 
OF THE COUNTY. THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3527 8285 3506 8288 3514 8256 3532 8263

$$

RWH

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 Jun 6, 10:54 AM EDT, 3 hours 32 minutes earlier.

Area forecast discussion, Jun 6, 10:54 AM EDT, 3 hours 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1054 AM EDT MON JUN 6 2005

.SHORT TERM (REST OF TODAY)...
VISIBLE SATELLITE SHOWING VALLEY FOG MIXING WITH RIDGETOP CU
DEVELOPING ATTM. RADAR COMPOSITE SHOWS ISO SHRA DEVELOPING ALONG THE
TN/NC LINE. CAPES ESTIMATED BY THE LAPS RANGE FROM 2500 EAST TO 1000
J/KG WEST. EXPECT THAT THE HIGHER ELEVATION WILL SEE DEEP CONVECTION
EARLY THIS AFTERNOON. WITH WEAK STEERING FLOW...CONVECTION EAST OF
THE MTNS WILL REMAIN LIMITED TO THE LATE AFTERNOON AND EVENING. WILL
ADJUST GRIDS TO ADD SOME TIMING.

BASED ON OBS AND MOS TRENDS WILL INCREASE MAX TEMPS A CLICK OR
TWO...EAST OF THE MTNS WILL FORECAST TEMPS FROM U80S TO AROUND 90.
WITH DWPTS EXPECTED TO MIX DOWN TO MID TO UPPER 60S SREF ADVERTISES
CAPES BUILDING TO 2500-3000 BY LATE AFTERNOON. HOWEVER...WITH LACK
OF TRIGGER AND SLOW STEERING FLOW WILL FORECAST ONLY SCATTERED
COVERAGE.

&&

.PREVIOUS DISCUSSION...
(ISSUED 328 AM EDT MON JUN 6 2005)

SHORT TERM (TODAY THROUGH WEDNESDAY)...
SOME ROUGE VERY WEAK RETURNS NOTED WITHIN THE LINGERING WEAK
INSTABILITY JUST SW OF THE CWFA...BUT WILL GENERALLY ORIENT POPS
INTO THE FAVORED DIURNAL TIMEFRAME TODAY. STILL SOME SEMBLANCE OF
UPPER RIDGING CONTINUES AND FLOW IS AGAIN EXPECTEDLY VERY WEAK.
FEEL CVRG WILL BE GREATER THAN YESTERDAY GIVEN LESS CAPPING...
POSSIBLE LEE TROUGHING AND PERHAPS SOME EASTERLY FLOW...AS PER
00Z NAM. NOT AS MUCH DRIER AIR/THETA-E LAPSES NOTED IN THE MID-LVLS
TODAY...WHICH AIDED IN A FEW PULSE SVR STORMS ON SUNDAY...BUT GIVEN
OVERALL GREATER CVRG OF STORMS...AN ADDITIONAL 2 OR 3 COULD FORM
THIS AFTERNOON OR EVENING.

THROUGH THE REST OF THE SHORT RANGE...TUESDAY AND WEDNESDAY...
LITTLE CHANGE IN OUR SUMMERTIME WEAK FLOW REGIME AND DAILY
BOUTS OF MODERATE INSTABILITY...BUT THE TREND IS PROGRESSIVELY
MORE MOIST WITH A PERSISTENT ATLANTIC TRAJECTORY. MODEL TIME HEIGHTS
INDICATE THE TREND TOWARD AN EASTERLY SFC-70H FLOW TUESDAY AND
AN EVEN DEEPER SSELY FLOW BY WEDNESDAY. ALL THIS EQUATES TO AT LEAST
SCATTERED TSTMS EACH DAY...AND PERHAPS STORMS LINGERING INTO THE
NIGHTTIME HOURS.

LONG TERM (WEDNESDAY NIGHT THROUGH SUNDAY)...
EAST ATLANTIC HIGH TO REMAIN IN PLACE THROUGH THE EXTENDED
PERIOD...KEEPING THE REGION IN MOIST SOUTHERLY FLOW. THE ATMOSPHERE
WILL BE PRIMED FOR SHOWERS AND THUNDERSTORMS BUT WITH WEAK
SHORTWAVES ALOFT STAYING MAINLY N OF AREA...AND NO SURFACE
BOUNDARIES TO SPEAK OF...ANY SIGNIFICANT FORCING MECHANISM WILL BE
ABSENT. DIURNAL HEATING AND WEAK OROGRAPHICS WILL BE THE MAIN
INFLUENCES DRIVING CONVECTION...AND IT APPEARS JUST ABOUT ANY WEAK
SHORTWAVE ALOFT WILL BE ENOUGH TO HELP INITIATE CONVECTION DURING
THE LATE AFTN-EARLY EVE PERIOD. WITH CONTINUING WEAK UPPER FLOW
EXPECTED...ANY STORMS THAT DO DEVELOP WILL BE SLOW MOVING AND HAVE
THE POTENTIAL FOR ISOLATED FLOODING.

AVIATION...
PLENTIFUL LOW LEVEL MOISTURE AND LIGHT WIND SHOULD ALLOW MVFR FOG TO
GROW IN COVERAGE IN THE PRE DAWN HOURS. EXPECT KAVL AND KAND TO ONCE
AGAIN HAVE IFR VISIBILITY AT TIMES UNTIL 12Z OR SO. LIKE
YESTERDAY...FOG SHOULD BURN OFF QUICK. MAIN QUESTION FOR TODAY WILL
BE THE COVERAGE OF DEEP CONVECTION IN THE AFTERNOON AND EVENING.
SLIGHTLY COOLER TEMPS ALOFT...LESS OF CAP...AND A BIT MORE LOW LEVEL
CONVERGENCE EAST OF THE MOUNTAINS SHOULD ALLOW FOR MORE STORMS THAN
YESTERDAY. NOT CONVINCED THAT CONVECTION WILL BEGIN AS EARLY AS THE
ETA SHOWS AND WILL KEEP VCTS OUT UNTIL MID AFTERNOON.
OTHERWISE...AFTER CONVECTION AND DEBRIS CLOUDS DISSIPATE...COULD SEE
ANOTHER ROUND OF MVFR FOG EARLY TUESDAY MORNING.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.
&&

SHORT TERM...NED
Hazardous weather outlook, Jun 6, 6:12 AM EDT, 8 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
612 AM EDT MON JUN 6 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-071012-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
612 AM EDT MON JUN 6 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR UPSTATE SOUTH CAROLINA...
MUCH OF WESTERN NORTH CAROLINA... AND EXTREME NORTHEAST GEORGIA.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE LATER THIS
AFTERNOON AND EVENING. A COUPLE OF SEVERE THUNDERSTORMS...PRODUCING
DAMAGING WIND GUSTS OR HAIL...ARE NOT OUT OF THE QUESTION.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

DAILY CHANCES OF THUNDERSTORMS WILL BE SEEN ALL THIS WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:05 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell56 min
Jun 6, 3:08 PM EDTSevere Thunderstorm WarningGSPHenderson67 min
Jun 6, 5:13 PM EDTSevere Thunderstorm WarningGSPGraham62 min
Jun 6, 5:29 PM EDTSevere Thunderstorm WarningGSPMecklenburg61 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2005Every severe thunderstorm warning in 2005

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.