Alert archive / South Carolina / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 113, NWS Greenville-Spartanburg, SC

June 27, 2005Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 27, 2005, 6:02 PM EDT for Laurens County, South Carolina. It was in force for 58 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 27, 2005, 6:02 PM EDT (22:02 UTC)
Expired
Jun 27, 2005, 7:00 PM EDT
In force
58 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Laurens County, SC

The radar

The Greer radar (KGSP), 53 km from the middle of the area, began a volume at 22:02 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

Charleston AFB, SC (KCHS), launched 12:00Z, 10.0 hours before the alert went out and 251 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, Charleston AFB, SC at 12:00Z on 2005-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2714 joules per kilogram.LCLEL10008507005003002001001 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, Charleston AFB, SC at 12:00Z on 2005-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
2714 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 272202
SVRGSP
SCC059-272300-
/O.NEW.KGSP.SV.W.0113.050627T2202Z-050627T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
602 PM EDT MON JUN 27 2005

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAURENS COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 700 PM EDT

* AT 557 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 8 MILES
  SOUTH OF JOANNA...OR ABOUT 12 MILES WEST OF NEWBERRY...AND MOVING
  NORTH AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  JOANNA AROUND 620 PM EDT...
  CLINTON AROUND 635 PM EDT...
  8 MILES EAST OF LAURENS AROUND 645 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 3422 8191 3443 8171 3459 8184 3475 8214
      3455 8222

$$

RWH
1 follow-up statement
000 
WWUS52 KGSP 272230
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
630 PM EDT MON JUN 27 2005

SCC059-272300-
/O.CON.KGSP.SV.W.0113.000000T0000Z-050627T2300Z/
LAURENS SC-
630 PM EDT MON JUN 27 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 700 PM EDT FOR
LAURENS COUNTY...

AT 627 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 6 MILES SOUTHWEST OF JOANNA...OR ABOUT 12 MILES SOUTHEAST OF
LAURENS...MOVING NORTHWEST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLINTON AROUND 645 PM EDT...
  LAURENS AND 8 MILES SOUTH OF ORA AROUND 700 PM EDT...

LAT...LON 3422 8191 3443 8171 3459 8184 3475 8214
      3455 8222

$$

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 27, 2:04 PM EDT, 3 hours 58 minutes earlier.

Area forecast discussion, Jun 27, 2:04 PM EDT, 3 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
204 PM EDT MON JUN 27 2005

.SHORT TERM (TONIGHT THROUGH THURSDAY)...
MOIST AIRMASS REMAINS IN PLACE WITH A WEAK SHORTWAVE TROF APPROACHING
FROM THE SW. AT LEAST SCT SHWRS AND TSTMS EXPECTED ACROSS THE CWA.
UPPER DIFLUENCE AND UPSLOPE ENHANCEMENT IN S FLOW WILL HELP
COVERAGE INCREASE TO LIKELY OVER MTNS...ESCARPMENT AND ADJACENT
FOOTHILL/PIEDMONT AREAS THROUGH THIS EVE. LAPS CAPES REACHED 2000-
3000 J/KG OUTSIDE OF MTNS THIS AFTN. WIND SHEAR IS WEAK BUT SLIGHT
DRYING SHOWING UP AT MID LEVELS SO IF ISOLD STRONG STORMS DO
DEVELOP...HIGH STRAIGHT LINE WIND GUSTS WILL BE POSSIBLE...MAINLY
FAR NE GA AND THE W PART OF UPSTATE SC WHERE DRYEST MID LEVELS ARE
INDICATED. HEAVY RAIN STILL OF GREAT CONCERN THROUGH THE OVERNIGHT
PERIOD... ESPECIALLY WHERE HEAVY RAIN FELL IN THE LAST 24 HOURS.

THE THREAT OF MAINLY LATE DAY SHOWERS AND THUNDERSTORMS CONTINUES
THROUGH THURSDAY...BUT WITH THIS AIRMASS...STORMS COULD DEVELOP
ANYWHERE AND ANYTIME IF AN UPPER LEVEL DISTURBANCE MOVES INTO THE
AREA.

&&

.LONG TERM (THURSDAY NIGHT THROUGH MONDAY)...
GFS APPEARS TO BE THE MODEL OF CHOICE FOR THE MEDIUM RANGE...WHICH
KEEPS A WEAK UPPER TROUGH OVER THE SRN APPALACHIANS INTO THE
WEEKEND. A STRONG UPPER TROF MOVES E ACROSS N STATES LATE IN THE
WEEK...WHICH REINFORCES THE TROF OVER THE E U.S. AS IT MOVES E. A
COLD FRONT DROPS SE INTO N GA AND THE CAROLINAS FRI...THEN STALLS
ALONG S EDGE OF THE AREA. WEAK SHORT WAVES MOVG THROUGH THE UPPER
FLOW COULD INITIATE CONVECTION AT ANY TIME THROUGH THE PERIOD SO A
CHANCE OF SHOWERS AND THUNDERSTORMS HAVE BEEN KEPT IN THE GRIDDED
FORECAST EACH DAY...WITH EMPHASIS ON MORE ACTIVE CONVECTION DURING
THE WARMER AFTERNOON AND EVENING TIMEFRAME.

&&

.AVIATION...
CEILINGS WILL REMAIN IN LOW VFR RANGE THROUGH MID EVENING...EXCEPT
WHERE SCATTERED RW/TRW DEVELOP. WITH SUCH A MOIST AIRMASS...
CONTINUED UPGLIDE...VORTICITY ADVECTION AND UPPER DIFFLUENCE
ASSOCIATED WITH TENNESSEE CLOSED LOW...EACH OF THE TAF SITES HAS
AN EXCELLENT CHANCE AT SEEING SOME CONVECTION IN THE NEXT 24
HOURS. WE HAVE FEATURED TEMPO GROUPS FOR LATE
AFTERNOON/EVENING...THEN AGAIN LATE TONIGHT AS ANOTHER ROUND OF
SHOWERS/THUNDERSTORMS EXPECTED TO AFFECT THE CWFA LATE WITH
POSSIBLE SEA BREEZE INTERACTION FROM THE SOUTHEAST. VISIBILITIES
WERE LOWERED INTO THE IFR RANGE MOST LOCATIONS IN PRE-DAWN TEMPO
GROUPS...WITH ACCOMPANYING IFR CEILINGS TOWARD MORNING. LOCATIONS
THAT DO NOT SEE CONVECTION IN THE PREDAWN SHOULD SEE WIDESPREAD
BLANKET OF IFR CEILINGS AND REDUCED VISIBILITY IN MIST. CONVECTION
LIKELY TO BE STILL WIDESPREAD AT THE ONSET OF THE OUTLOOK
PERIOD...WHICH FEATURES CONTINUED VISIBILITY RESTRICTIONS IN HAZE
AND CEILINGS APPROACHING LOWER VFR LEVEL BY 18Z.

&&

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

SHORT TERM...RB
LONG TERM...RB
AVIATION...SAB
Hazardous weather outlook, Jun 27, 5:54 AM EDT, 12 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
554 AM EDT MON JUN 27 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-281000-
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-
554 AM EDT MON JUN 27 2005

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP
ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TODAY THROUGH
TONIGHT. ISOLATED FLOODING WILL BE POSSIBLE TODAY UNDER THE
STRONGEST THUNDERSTORMS...ESPECIALLY IN LOCATIONS THAT RECEIVED
HEAVY RAINFALL EARLY THIS MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE TROPICAL AIRMASS WILL REMAIN IN PLACE THROUGH THE WEEK.
ADDITIONAL HEAVY RAIN PRODUCING THUNDERSTORMS WILL BE LIKELY
THROUGH WEDNESDAY...ESPECIALLY NEAR THE EXTREME SOUTHERN
APPALACHIANS. FOR FURTHER DETAILS ON THE POTENTIAL FOR
FLOODING...SEE THE HYDROLOGIC OUTLOOK...CAEESFGSP...ISSUED THIS MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO RELAY ANY REPORTS OF FLOODING TO THE
NATIONAL WEATHER SERVICE.

HG

In the hours before

Special weather statement, Jun 27, 1:00 PM EDT, 5 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
100 PM EDT MON JUN 27 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-272000-
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-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...MARION...
MORGANTON...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...COLUMBUS...RUTHERFORDTON...SHELBY...LINCOLNTON...
GASTONIA...CHARLOTTE...CONCORD...MONROE...GREENVILLE...
SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
100 PM EDT MON JUN 27 2005

...THREAT OF ADDITIONAL HEAVY RAINFALL AND ISOLATED SEVERE WEATHER...

MORNING UPPER AIR ANALYSIS INDICATED THE POTENTIAL FOR STRONG
THUNDERSTORM DEVELOPMENT LATE THIS AFTERNOON ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA. SOME ISOLATED SEVERE
THUNDERSTORMS WILL ALSO BE POSSIBLE...ESPECIALLY IN WESTERN
SECTIONS OF THE FORECAST AREA.

OVERNIGHT THUNDERSTORMS CAUSED SOME FLASH FLOODING IN A FEW
LOCATIONS...AND THAT WILL BE A CONCERN AGAIN THIS AFTERNOON AND TONIGHT.

THE BEST CHANCE OF STRONG TO SEVERE THUNDERSTORMS WILL BE
GENERALLY WEST OF A LINE FROM MARSHALL NORTH CAROLINA TO GREENWOOD
SOUTH CAROLINA...WHERE THE AIR ALOFT WAS A BIT COLDER AND MORE
UNSTABLE ACCORDING TO DATA COLLECTED THIS MORNING. A WEAK UPPER
AIR FEATURE WILL HELP FOCUS SOME ORGANIZED THUNDERSTORMS IN THAT
AREA. SOME HAIL COULD OCCUR...BUT DRIER AIR ALOFT WILL CREATE THE
POTENTIAL FOR STRONG WIND GUSTS IN SOME OF THE STORMS.

THE BEST CHANCE OF ADDITIONAL FLASH FLOODING WILL INITIALLY BE IN
AREAS WHICH RECEIVED HEAVY RAINFALL OVERNIGHT...FROM THE
GREENVILLE AREA NORTH INTO THE MOUNTAINS AROUND HENDERSONVILLE AND
ASHEVILLE. THE THREAT OF FLASH FLOODING WILL INCREASE GRADUALLY
ACROSS MUCH OF THE CENTRAL PART OF THE FORECAST AREA AS NEW
RAINFALL CAUSES THE GROUND TO BECOME SATURATED OVER LARGER AREAS.

IT IS POSSIBLE A FLASH FLOOD WATCH MAY BE ISSUED LATER TODAY FOR
PART OF THE FORECAST AREA. ALSO...LISTEN FOR LATER STATEMENTS AND
POSSIBLY WARNINGS FOR SEVERE THUNDERSTORMS DURING THE AFTERNOON.

JONES
Special weather statement, Jun 27, 3:20 PM EDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
320 PM EDT MON JUN 27 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-280300-
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-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...MARION...
MORGANTON...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...COLUMBUS...RUTHERFORDTON...SHELBY...LINCOLNTON...
GASTONIA...CHARLOTTE...CONCORD...MONROE...GREENVILLE...
SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
320 PM EDT MON JUN 27 2005

...THREAT OF ADDITIONAL HEAVY RAINFALL AND ISOLATED SEVERE WEATHER...

SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE DEVELOPING OVER THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA AT MID AFTERNOON.  THE BEST
COVERAGE OF SHOWERS AND STORMS WAS FROM CHERRYVILLE THROUGH
LINCOLNTON...TO SALISBURY AND MOCKSVILLE IN NORTH CAROLINA...AND
JUST WEST OF GREENVILLE IN SOUTH CAROLINA.

OVERNIGHT THUNDERSTORMS CAUSED SOME FLASH FLOODING IN A FEW
LOCATIONS...AND THAT WILL BE A CONCERN AGAIN THIS AFTERNOON AND TONIGHT.
SEVERAL LOCATIONS FROM AROUND GREENVILLE TO THE HENDERSONVILLE AREA
HAD RAINFALL OF MORE THAN 3 INCHES IN A RELATIVELY SHORT TIME...WITH
AN ISOLATED 9 INCH TOTAL REPORTED BY AN AUTOMATED GAGE IN EASTERN
HENDERSON COUNTY.

THE BEST CHANCE OF STRONG TO SEVERE THUNDERSTORMS WILL BE
GENERALLY WEST OF A LINE FROM MARSHALL NORTH CAROLINA TO GREENWOOD
SOUTH CAROLINA...WHERE THE AIR ALOFT WAS A BIT COLDER AND MORE
UNSTABLE. A WEAK UPPER AIR FEATURE WILL HELP FOCUS SOME ORGANIZED
THUNDERSTORMS IN THAT AREA. SOME HAIL COULD OCCUR...BUT DRIER AIR
ALOFT WILL CREATE THE POTENTIAL FOR STRONG WIND GUSTS IN SOME OF THE
STORMS.

THE BEST CHANCE OF ADDITIONAL FLASH FLOODING WILL INITIALLY BE IN
AREAS WHICH RECEIVED HEAVY RAINFALL OVERNIGHT...FROM THE
GREENVILLE AREA NORTH INTO THE MOUNTAINS AROUND HENDERSONVILLE AND
ASHEVILLE. THE THREAT OF FLASH FLOODING WILL INCREASE GRADUALLY
ACROSS MUCH OF THE CENTRAL PART OF THE FORECAST AREA AS NEW
RAINFALL CAUSES THE GROUND TO BECOME SATURATED OVER LARGER AREAS.
CRITICAL RAINFALL AMOUNTS IN THOSE AREAS...WHICH WILL ENOUGH TO
BEGIN FLASH FLOODING...WILL BE MORE THAN ABOUT 2 INCHES IN 3 HOURS.

IT IS POSSIBLE A FLASH FLOOD WATCH MAY BE REQUIRED THIS EVENING FOR
PART OF THE FORECAST AREA. ALSO...LISTEN FOR LATER STATEMENTS AND
POSSIBLY WARNINGS FOR SEVERE THUNDERSTORMS.

JONES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 2:38 AM EDTFlash Flood WarningGSPGreenville6 hr
Jun 27, 6:13 PM EDTSevere Thunderstorm WarningGSPYork62 min
Jun 27, 6:39 PM EDTSevere Thunderstorm WarningGSPUnion66 min

Nearby

Severe Thunderstorm Warnings in South 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.