Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 565, NWS Greenville-Spartanburg, SC

September 8, 2012Cherokee County, York County, South Carolina; Cleveland County, Gaston County, Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 8, 2012, 4:35 PM EDT for Cherokee County, York County, South Carolina; Cleveland County, Gaston County, Mecklenburg County, North Carolina. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 8, 2012, 4:35 PM EDT (20:35 UTC)
Expired
Sep 8, 2012, 5:15 PM EDT
In force
40 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cleveland County, NC, Gaston County, NC, Mecklenburg County, NC, Cherokee County, SC, York County, SC

The radar

The Greer radar (KGSP), 103 km from the middle of the area, began a volume at 20:38 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.

What was reported inside it

TimeReportWhereRemark
Sep 8, 4:55 PM EDTTSTM WND DMG4 Ese Clover, SCA TREE DOWN ON DR NICHOLS ROAD NEAR PARAHAM ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 20 minutes after it went out.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 8, 1:48 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.6 hours before the alert went out and 151 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 2012-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 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 2012-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
305 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
44 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.

252 
WUUS52 KGSP 082035
SVRGSP
NCC045-071-119-SCC021-091-082115-
/O.NEW.KGSP.SV.W.0565.120908T2035Z-120908T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
435 PM EDT SAT SEP 8 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEASTERN CLEVELAND COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...
  SOUTHERN GASTON COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  SOUTHWESTERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...
  EXTREME NORTHEASTERN CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHERN YORK COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 515 PM EDT

* AT 434 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED 6 MILES WEST OF CLOVER...OR 9
  MILES NORTHWEST OF YORK...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  CLOVER.
  LAKE WYLIE AND CAROWINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3530 8096 3504 8092 3502 8142 3519 8144
TIME...MOT...LOC 2035Z 262DEG 21KT 3510 8132

$$

JOH
1 follow-up statement
564 
WWUS52 KGSP 082102
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
502 PM EDT SAT SEP 8 2012

NCC045-SCC021-082112-
/O.CAN.KGSP.SV.W.0565.000000T0000Z-120908T2115Z/
CLEVELAND NC-CHEROKEE SC-
502 PM EDT SAT SEP 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHEASTERN CHEROKEE
AND EXTREME SOUTHEASTERN CLEVELAND COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.

LAT...LON 3505 8130 3521 8133 3530 8096 3504 8092
TIME...MOT...LOC 2102Z 262DEG 21KT 3512 8113

$$

NCC071-119-SCC091-082115-
/O.CON.KGSP.SV.W.0565.000000T0000Z-120908T2115Z/
GASTON NC-MECKLENBURG NC-YORK SC-
502 PM EDT SAT SEP 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
YORK...SOUTHWESTERN MECKLENBURG AND SOUTHERN GASTON COUNTIES UNTIL
515 PM EDT...

AT 458 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR CLOVER...OR 9 MILES SOUTH OF
GASTONIA...MOVING EAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  LAKE WYLIE.
  CAROWINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING FREQUENT AND INTENSE
LIGHTNING. TURN OFF ELECTRICAL APPLIANCES. DO NOT USE CORDED
TELEPHONES. DO NOT TAKE A BATH OR SHOWER.

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3505 8130 3521 8133 3530 8096 3504 8092
TIME...MOT...LOC 2102Z 262DEG 21KT 3512 8113

$$

JOH

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 Sep 8, 2:49 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Sep 8, 2:49 PM EDT, 1 hour 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
249 PM EDT SAT SEP 8 2012

.SYNOPSIS...
A STRONG COLD FRONT WILL CROSS THE CAROLINAS AND NORTHEAST GEORGIA
THROUGH TONIGHT...PUSHING EAST OF THE AREA BY DAYBREAK SUNDAY. DRY
HIGH PRESSURE WILL BUILD IN FROM THE NORTH SUNDAY AND REMAIN IN
PLACE THROUGH THE END OF NEXT WEEK.

&&

.NEAR TERM /THROUGH SUNDAY/...
CONCERN FOR THE FIRST FEW HOURS OF THE PERIOD CONTINUES TO BE THE
FRONTAL PASSAGE AND ASSOCIATED PRECIP/CONVECTION. THE GREATEST
INSTABILITY AT ALL SITES WILL OCCUR BEFORE THE BETTER SHEAR SETS
IN...BUT THE BEST OVERLAP SHOULD BE IN THE LOWER PIEDMONT AREAS AS
ADVERTISED BY MODELS FOR THE PAST COUPLE OF DAYS. CLEARER SKIES
THIS AFTERNOON EAST AND SOUTH WILL ALLOW MORE DESTABILIZATION
BEFORE THE FRONT MOVES THROUGH. WE WILL PROBABLY SEE SOME
DEVELOPMENT OVER THE MOUNTAINS EARLY...WHICH SHOULD BE PRETTY
TAME...FOLLOWED BY MORE DEVELOPMENT OVER THE PIEDMONT.

AS FAR AS THE THREAT OF ORGANIZED OR SEVERE TSTMS...NOT ESPECIALLY
HIGH BUT THEY DEFINITELY CANNOT BE RULED OUT. 0-6KM BULK SHEAR IS
NOT PARTICULARLY STRONG /GENERALLY LESS THAN 30 KT/ BUT DEEP SHEAR
VECTORS WILL BE MOSTLY PARALLEL TO THE FRONT WHICH SUGGESTS
CONVECTION WILL FORM INTO A BROKEN LINE. FREEZING LEVELS OF 12-14
KFT ARE ON THE HIGH SIDE WHICH IS UNFAVORABLE FOR LARGE HAIL.
DAMAGING WINDS WILL BE A MORE SIGNIFICANT THREAT GIVEN DEEP MIXING
AND DRY MIDLEVEL AIR AHEAD OF THE FRONT.

MIDLEVEL RH IS UNDERSTANDABLY HIGH NEAR THE FRONT BUT DRIES OUT
QUICKLY AS BASE OF 500MB TROUGH ROLLS THROUGH OVERNIGHT. LOW LEVEL
RH STAYS FAIRLY HIGH. WE WILL PROBABLY SEE A FAIRLY SHARP LINE OF
CLEARING AS THE TROUGH PUSHES THROUGH BUT SOME PATCHY FOG MAY
DEVELOP LATE. ADDED A COMPONENT OF RAW MODEL TEMPS TO TONIGHT/S LOW
TEMP FORECAST SINCE THE FROPA IS NOT A CLIMATOLOGICALLY COMMON
OCCURRENCE...WHICH BROUGHT TEMPS DOWN A TAD ESPECIALLY OVER THE
MOUNTAINS.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AS OF NOON SATURDAY...HIGH PRESSURE WILL BRING SUNNY AND MILD
WEATHER TO THE REGION MONDAY AND TUESDAY. DEWPOINTS WILL MIX INTO
THE U40S TO L50S DURING THE DAY WHICH WILL FEEL GREAT AFTER THE
RECENT SPELL OF VERY MUGGY CONDITIONS. TEMPERATURES WILL RUN 1 TO 2
CATEGORIES BELOW NORMAL. FOR AGENCIES INTERESTED IN CONTROLLED
BURNS...THE HUMIDITY VALUES ARE GENERALLY EXPECTED TO RUN BETWEEN 30
AND 40 PERCENT IN THE AFTERNOON HOURS. I DON/T SEE STRONG DOWNSLOPE
FLOW OR ANYTHING THAT SHOULD CAUSE THE DEWPOINTS TO VERIFY
APPRECIABLY LOWER...WHICH MEANS BURNING CONDITIONS WILL GENERALLY BE
GOOD WITH AFTERNOON MIXING HEIGHTS UP AROUND 6 TO 7 KFT. THE ONLY
CONCERN WILL BE VERY LIGHT WINDS EACH DAY AS THE BNDRY LAYER FLOW
WILL BE UNDER 5KTS.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 1200 PM SATURDAY...THE LATEST MEDIUM RANGE MODELS CONTINUE TO
INDICATE THAT BROAD UPPER LEVEL RIDGE OF HIGH PRESSURE WILL REMAIN
ANCHORED OVER THE EASTERN CONUS THROUGH LATE IN THE WEEK. WITH
PERSISTENT N/NE FLOW AND STRONG CAPPING INVERSION ALOFT...WILL
FORECAST DRY THROUGH FRIDAY. TEMPERATURES WILL REMAIN 2-3
DEGREES BELOW NORMAL WITH AFTERNOON HIGHS IN THE LOW 80S OVER THE
PIEDMONT AND 70S FOOTHILLS/MOUNTAINS.

SATURDAY INTO SUNDAY MORNING...BOTH THE LATEST GFS AND THE ECMWF ARE
IN FAIRLY GOOD AGREEMENT ON A POSITIVELY TILTED UPPER TROUGH OVER
THE NORTHERN PLAINS FRIDAY PROGRESSING EASTWARD ACROSS THE OHIO
VALLEY ON LATE SATURDAY...BUT STILL KEEPS AN ASSOCIATED COLD FRONT
TO OUR WEST THRU THE PERIOD. WITH INCREASING MOISTURE AND DIURNAL
INSTABILITY AHEAD OF THE APPROACHING COLD FRONT...I MENTIONED SLIGHT
CHANCE FOR AFTERNOON SHOWERS AND THUNDERSTORMS ACROSS OUR CWA ON
SATURDAY. TEMPERATURES WILL MODERATE TO NEAR NORMAL.

&&

.AVIATION /19Z SATURDAY THROUGH THURSDAY/...
AT KCLT...THUNDER LOOKING HIGHLY LIKELY FOR A TIME THIS AFTERNOON
AND EARLY EVENING AHEAD OF AND ALONG COLD FRONT. REFLECTED THIS WITH
A TEMPO TSRA TO INDICATE LOWER CONFIDENCE IN START TIME...BUT BY 20Z
FEEL THERE WILL BE ONGOING CONVECTION ALL AROUND THE AIRPORT.
ACTIVITY SHOULD DIMINISH WITH THE SETTING SUN AND LOSS OF
INSTABILITY...BUT ISOLATED SHOWERS/STORMS MAY HOLD ON THROUGH THE
EVENING. GUIDANCE DID NOT PRODUCE ANY LOW CIGS OR VSBYS EARLY
SUNDAY BUT GIVEN THE DRY MID TO UPPER LEVELS BEHIND THE FRONT AND
MOIST LOW LEVELS...THREW IN AN MVFR CIG LATE. WINDS WILL GENERALLY
BE SOUTH TO SOUTHWESTERLY THIS AFTERNOON BUT SHOULD WHIP AROUND TO
THE NORTH BEHIND THE FRONT. THUNDERSTORM OUTFLOW NEAR THE AIRPORT
MAY CAUSE RAPID WIND SHIFTS.

ELSEWHERE...INCLUDED VARIATIONS ON THE THUNDER MENTION THIS
AFTERNOON TO REFLECT CURRENT PATTERN OF STORMS...AND TRIED TO
INDICATE APPROPRIATE END TIMES GIVEN MOVEMENT OF FRONT.
AFOREMENTIONED CLEARING BEHIND FRONT WITH LINGERING LOW LEVEL
MOISTURE POINTED TO A RISK OF FOG OR LOW STRATUS. GUIDANCE FAVORED
FOG. THIS IS INCLUDED AT KAVL...WITH A MVFR MENTION INCLUDED AT
KHKY. THE SAME IDEA OUTLINED ABOVE REGARDING WIND SHIFTS WITH
VICINITY THUNDERSTORMS APPLIES AT ALL SITES TODAY.

OUTLOOK...DRY AUTUMNAL HIGH PRES WILL DOMINATE THE WEATHER OVER THE
REGION SUNDAY THROUGH LATE NEXT WEEK.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

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

&&

SYNOPSIS...JOH
NEAR TERM...JW
SHORT TERM...MCAVOY
LONG TERM...JOH
AVIATION...JW
Hazardous weather outlook, Sep 8, 12:55 PM EDT, 3 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1255 PM EDT SAT SEP 8 2012

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-501>510-
SCZ001>014-019-091700-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-
GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1255 PM EDT SAT SEP 8 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE FOOTHILLS AND
PIEDMONT OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS
AFTERNOON AND EVENING AS A COLD FRONT MOVES OUT OF THE MOUNTAINS.
WITH A VERY UNSTABLE AIRMASS IN PLACE AND INCREASING SHEAR...SOME
OF THE THUNDERSTORMS ARE LIKELY TO BECOME SEVERE...PRODUCING
DAMAGING STRAIGHT LINE WINDS AND A FEW INSTANCES OF LARGE HAIL.

THE STORMS WILL BECOME MORE ORGANIZED AS THEY MOVE TO THE EAST.
THEREFORE...THE GREATEST SEVERE THREAT WILL BE ACROSS THE PIEDMONT
OF THE CAROLINAS...ESPECIALLY ALONG THE I-77 URBAN CORRIDOR AND
THE UPSTATE EAST OF GREENVILLE. THERE IS EVEN A THREAT OF A
BRIEF...ISOLATED TORNADO OVER THE WESTERN NORTH CAROLINA PIEDMONT
THIS AFTERNOON AND EARLY EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

DISPATCHERS PLEASE FORWARD THIS INFORMATION ON TO EMERGENCY
MANAGERS AND OTHER COUNTY OFFICIALS. SKYWARN SPOTTERS ARE
REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING
WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

NCZ033-048>053-058-059-062>065-091700-
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
1255 PM EDT SAT SEP 8 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

MCAVOY

In the hours before

Special weather statement, Sep 8, 3:27 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
327 PM EDT SAT SEP 8 2012

NCZ082-082015-
UNION-
327 PM EDT SAT SEP 8 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN UNION COUNTY THROUGH 415
PM EDT...

AT 325 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTH OF WINGATE...OR 6 MILES SOUTHEAST
OF MONROE...MOVING EAST AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  WINGATE...
  MARSHVILLE...
  STURDIVANTS...

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

LAT...LON 3488 8030 3485 8031 3483 8053 3499 8058
      3514 8028 3510 8028

JOH
Special weather statement, Sep 8, 3:46 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
346 PM EDT SAT SEP 8 2012

SCZ007-008-013-082030-
CHEROKEE-SPARTANBURG-UNION-
346 PM EDT SAT SEP 8 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN SPARTANBURG...NORTHERN
UNION AND SOUTHERN CHEROKEE COUNTIES THROUGH 430 PM EDT...

AT 341 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PAULINE...OR 10 MILES SOUTH OF
SPARTANBURG...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO SARATT...
  PAULINE...PACOLET MILLS...PACOLET...LOCKHART...JONESVILLE AND
  ADAMSBURG.

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3490 8196 3498 8148 3494 8149 3494 8148
      3489 8148 3484 8146 3481 8148 3479 8146
      3476 8145 3474 8149 3472 8193

07
Special weather statement, Sep 8, 3:54 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
354 PM EDT SAT SEP 8 2012

NCZ068-SCZ008-009-082045-
CHEROKEE-CLEVELAND-YORK-
354 PM EDT SAT SEP 8 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CHEROKEE...NORTHWESTERN
YORK AND SOUTHERN CLEVELAND COUNTIES THROUGH 445 PM EDT...

AT 350 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES NORTHWEST OF GAFFNEY...MOVING EAST AT 20
MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO PATTERSON
  SPRINGS...KINGS MOUNTAIN...GROVER...EARL...KINGS MOUNTAIN STATE
  PARK...GAFFNEY AND BLACKSBURG.

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3508 8124 3504 8179 3518 8182 3518 8177
      3523 8176 3531 8136 3529 8136 3526 8132
      3516 8133 3516 8126

07
Special weather statement, Sep 8, 4:03 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
403 PM EDT SAT SEP 8 2012

NCZ057-070>072-082045-
CABARRUS-GASTON-MECKLENBURG-ROWAN-
403 PM EDT SAT SEP 8 2012

...STRONG THUNDERSTORMS WILL AFFECT CABARRUS...NORTHEASTERN GASTON...
NORTHERN MECKLENBURG AND SOUTHERN ROWAN COUNTIES THROUGH 445 PM
EDT...

AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM FAITH TO 3 MILES
SOUTHWEST OF MOUNTAIN ISLAND LAKE...MOVING EAST AT 25 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  GRANITE QUARRY...
  KANNAPOLIS...
  I-77 AT I-85...
  HIGH ROCK LAKE...
  ROCKWELL...
  UNC CHARLOTTE...

WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THESE STORMS.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3550 8020 3550 8030 3530 8042 3522 8050
      3526 8116 3551 8081 3550 8075 3555 8074
      3569 8054 3570 8033 3564 8029 3564 8026
      3558 8020 3551 8018

JOH
Special weather statement, Sep 8, 4:20 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
420 PM EDT SAT SEP 8 2012

SCZ006-010-082100-
ANDERSON-GREATER GREENVILLE-
420 PM EDT SAT SEP 8 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN ANDERSON AND
SOUTHEASTERN GREENVILLE COUNTIES THROUGH 500 PM EDT...

AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES EAST OF SANDY SPRINGS...OR 7 MILES NORTH
OF ANDERSON...MOVING EAST AT 25 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO DONALDSON
  CENTER...WILLIAMSTON...SIMPSONVILLE...PRINCETON...PIEDMONT...
  PELZER...FOUNTAIN INN...FORK SHOALS...BELTON AND ANDERSON.

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3452 8273 3469 8276 3470 8273 3480 8217
      3474 8216 3459 8224 3454 8224 3449 8230

07
Special weather statement, Sep 8, 4:25 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EDT SAT SEP 8 2012

SCZ002-003-005-006-082115-
GREATER GREENVILLE-GREATER PICKENS-GREENVILLE MOUNTAINS-PICKENS
MOUNTAINS-
425 PM EDT SAT SEP 8 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GREENVILLE AND EASTERN
PICKENS COUNTIES THROUGH 515 PM EDT...

AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR DACUSVILLE...OR 9 MILES NORTHWEST OF
DOWNTOWN GREENVILLE...MOVING EAST AT 25 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO PELHAM ROAD
  AT I-85...CHERRYDALE POINT...LAKE ROBINSON...HAYWOOD MALL...FURMAN
  UNIVERSITY...WELCOME...TRAVELERS REST...TAYLORS...PARIS MOUNTAIN
  STATE PARK...GREER...DOWNTOWN GREENVILLE...EASLEY...DACUSVILLE AND
  BEREA.

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3498 8265 3508 8222 3485 8222 3480 8260

07

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 1:05 PM EDTSpecial Weather StatementGSPGreenwood40 min
Sep 8, 3:20 PM EDTSpecial Weather StatementGSPGreenville40 min
Sep 8, 3:46 PM EDTSpecial Weather StatementGSPUnion44 min
Sep 8, 3:54 PM EDTSpecial Weather StatementGSPCherokee51 min
Sep 8, 4:20 PM EDTSpecial Weather StatementGSPAnderson40 min
Sep 8, 4:25 PM EDTSpecial Weather StatementGSPGreenville50 min
Sep 8, 4:26 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens, Spartanburg64 min
Sep 8, 4:43 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Laurens, Spartanburg51 min
Sep 8, 5:55 PM EDTSpecial Weather StatementGSPLaurens50 min
Sep 8, 12:47 PM EDTSpecial Weather StatementGSPBurke43 min
Sep 8, 1:20 PM EDTSpecial Weather StatementGSPPolk, Rutherford40 min
Sep 8, 1:32 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell, Polk, Rutherford29 min
Sep 8, 2:03 PM EDTSpecial Weather StatementGSPCleveland, Lincoln, Rutherford57 min
Sep 8, 2:12 PM EDTSpecial Weather StatementGSPCatawba, Davie, Iredell63 min
Sep 8, 3:01 PM EDTSpecial Weather StatementGSPCabarrus, Catawba, Gaston, Lincoln, Mecklenburg, Rowan59 min
Sep 8, 3:07 PM EDTSpecial Weather StatementGSPPolk, Rutherford53 min
Sep 8, 3:27 PM EDTSpecial Weather StatementGSPUnion48 min
Sep 8, 4:03 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg, Rowan42 min
Sep 8, 4:53 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg52 min
Sep 8, 5:08 PM EDTSevere Thunderstorm WarningGSPCabarrus, Gaston, Mecklenburg, Union40 min
Sep 8, 5:21 PM EDTAreal Flood AdvisoryGSPMecklenburg99 min
Sep 8, 5:43 PM EDTFlash Flood WarningGSPMecklenburg3 hr

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Severe Thunderstorm Warnings in South Carolina, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.