Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 525, NWS Greenville-Spartanburg, SC

August 8, 2012Cherokee County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 8, 2012, 4:38 PM EDT for Cherokee County, York County, South Carolina. It was in force for 67 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
Aug 8, 2012, 4:38 PM EDT (20:38 UTC)
Expired
Aug 8, 2012, 5:45 PM EDT
In force
67 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cherokee County, SC, York County, SC

The radar

The Greer radar (KGSP), 62 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
Aug 8, 5:40 PM EDTTSTM WND DMG6 Se Gaffney, SCCOUNTY COMMS REPORTS NUMEROUS TREES BLOWN DOWN SOUTH OF GAFFNEY.

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 62 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.6 hours before the alert went out and 197 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 2012-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1351 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 2012-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1351 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
34 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.

152 
WUUS52 KGSP 082038
SVRGSP
SCC021-091-082145-
/O.NEW.KGSP.SV.W.0525.120808T2038Z-120808T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
438 PM EDT WED AUG 8 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA...
  WESTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 545 PM EDT

* AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
  BLACKSBURG...OR 9 MILES EAST OF GAFFNEY...AND MOVING SOUTH AT 5
  MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  HICKORY GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

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 3486 8149 3487 8151 3487 8153 3488 8153
      3487 8154 3489 8165 3490 8165 3490 8168
      3492 8172 3518 8167 3516 8129 3483 8135
TIME...MOT...LOC 2038Z 014DEG 6KT 3506 8150

$$

MOORE
3 follow-up statements
548 
WWUS52 KGSP 082112
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
512 PM EDT WED AUG 8 2012

SCC021-091-082145-
/O.CON.KGSP.SV.W.0525.000000T0000Z-120808T2145Z/
CHEROKEE SC-YORK SC-
512 PM EDT WED AUG 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN YORK
AND EASTERN CHEROKEE COUNTIES UNTIL 545 PM EDT...

AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES
SOUTHEAST OF GAFFNEY...MOVING SOUTHWEST AT 5 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY AREAS ON THE EAST AND 
SOUTH SIDE OF GAFFNEY AND EASTERN CHEROKEE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

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 3486 8148 3487 8151 3487 8153 3488 8153
      3487 8154 3489 8158 3489 8164 3490 8165
      3490 8168 3492 8172 3518 8167 3507 8131
      3483 8135
TIME...MOT...LOC 2112Z 053DEG 7KT 3501 8160

$$

MOORE
765 
WWUS52 KGSP 082134
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
534 PM EDT WED AUG 8 2012

SCC021-091-082145-
/O.CON.KGSP.SV.W.0525.000000T0000Z-120808T2145Z/
CHEROKEE SC-YORK SC-
534 PM EDT WED AUG 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN YORK
AND EASTERN CHEROKEE COUNTIES UNTIL 545 PM EDT...

AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
SOUTH OF HICKORY GROVE...OR 13 MILES SOUTHWEST OF YORK...MOVING
SOUTHWEST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  GAFFNEY...BULLOCK CREEK AND SARATT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. 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.

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 3488 8154 3487 8154 3489 8158 3489 8164
      3490 8165 3490 8168 3491 8168 3492 8172
      3513 8168 3507 8131 3483 8135
TIME...MOT...LOC 2134Z 053DEG 7KT 3488 8143

$$

NED
865 
WWUS52 KGSP 082146
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
546 PM EDT WED AUG 8 2012

SCC021-091-082156-
/O.EXP.KGSP.SV.W.0525.000000T0000Z-120808T2145Z/
CHEROKEE SC-YORK SC-
546 PM EDT WED AUG 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN YORK AND EASTERN
CHEROKEE COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

LAT...LON 3488 8154 3487 8154 3489 8158 3489 8164
      3490 8165 3490 8168 3491 8168 3492 8172
      3513 8168 3507 8131 3483 8135
TIME...MOT...LOC 2134Z 053DEG 7KT 3488 8143

$$

NED

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 Aug 8, 2:51 PM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, Aug 8, 2:51 PM EDT, 1 hour 47 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
251 PM EDT WED AUG 8 2012

.SYNOPSIS...
BERMUDA HIGH PRESSURE WILL BUILD IN FROM THE SOUTHEAST TONIGHT AND
REMAINS THROUGH THURSDAY. A COLD FRONT WILL PUSH ACROSS THE AREA
FROM THE WEST LATE FRIDAY. DRY HIGH PRESSURE WILL THEN BUILD BEHIND
THE FRONT OVER THE WEEKEND.

&&

.NEAR TERM /THROUGH THURSDAY/...
AS OF 230 PM...EARLY AFTN CONVECTION DEVELOPING AHEAD OF A WEAK
SHORTWAVE OVER THE NC FOOTHILLS HAS PUT DOWN SOME OUTFLOWS ACROSS
THE NC PIEDMONT. ADDITIONAL CONVECTION IS DEVELOPING ALONG THE ERN
SLOPES OF THE MOUNTAINS AS A SECONDARY SHORTWAVE ARRIVES...AND WHERE
LOW LEVEL CONVERGENCE IS STRONGEST. THIS ACTIVITY SHOULD ALSO SPREAD
EWD GIVEN THE STEERING FLOW. POPS HAVE BEEN RAISED THROUGHOUT FOR
THE LATE AFTN HOURS. 3000 TO 4000 J/KG SFC BASED CAPE VALUES ARE
INDICATED ON LAPS ANALYSIS...AND THE MID LEVEL DRY PUNCH ALONG WITH
DCAPE VALUES AROUND 1000 J/KG SHOULD YIELD A FEW SEVERE TSTMS WITH
ANY 55 DBZ CORES ABOVE 25 KFT. HEAVY RAINFALL ON SATURATED GROUND
COULD ALSO CREATE ISOLD HYDRO ISSUES...BUT STORMS SHOULD MOVE A BIT
MORE TODAY COMPARED TO THE PAST FEW DAYS.

CONVECTION SHOULD DIE OUT FAIRLY QUICKLY WITH THE LOSS OF HEATING
THIS EVENING...WITH JUST DEBRIS CLOUDS EARLY...AND POSSIBLY LOW
CLOUDS AND FOG LATE. GUIDANCE REMAINS MIXED ON HOW DENSE THE FOG MAY
GET...BUT MTN VALLEYS SHOULD SEE THE WORST VSBY.

A MORE PROMINENT SHORTWAVE MOVING AROUND THE DEVELOPING UPPER
MIDWEST LOW PRESSURE ON THU WILL APPROACH THE REGION BUT REMAIN W OF
THE MTNS THROUGH THE LATE DAY. THE MAIN IMPACT OF THIS FEATURE
THROUGH THE NEAR TERM WILL BE BACKING SW FLOW AND SLOWLY DEEPENING
MOISTURE OVER THE REGION. SCATTERED AFTERNOON CONVECTION IS EXPECTED
WITH THE BEST POPS OVER THE MTNS AND SW SECTIONS. MAXES WILL BE
SIMILAR TO WED...PERHAPS A DEGREE HIGHER IN THE ERN PIEDMONT.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
AS OF 120 PM WEDNESDAY...AT LEAST SCATTERED CONVECTION IS EXPECTED
TO LINGER WELL INTO THE OVERNIGHT THURSDAY/EARLY FRIDAY. THIS IS A
RESULT ON AN INCREASINGLY MOIST WAA PATTERN IN THE WARM SECTOR OF AN
ANOMALOUSLY STRONG CYCLONE...AS WELL AS A PRECURSOR SHORT WAVE
TROUGH THAT THE MODELS DRIFT ACROSS THE AREA THURSDAY NIGHT.

FOR FRIDAY...THERE IS STILL QUITE A BIT OF UNCERTAINTY REGARDING THE
SEVERE WEATHER THREAT. IT STILL APPEARS AS IF THERE COULD BE FAIRLY
EXTENSIVE CLOUD COVER...AS WELL AS SHOWERS EARLY IN THE DAY. AS
SUCH...THE SHORT RANGE MODELS HAVE BACKED OFF ON THE DEGREE OF
FRIDAY PM INSTABILITY DURING THE PAST 24 HOURS. DESPITE THE
STRENGTHENING UPPER FLOW...THE UNIDIRECTIONAL NATURE OF THE FORECAST
WIND PROFILES IS YIELDING MODEST AT BEST SHEAR. IN ADDITION...THE
BETTER DEEP LAYER FORCING WILL PASS NORTH OF THE AREA...ALTHOUGH
FAIRLY STRONG LOW LEVEL FORCING IS EXPECTED ALONG THE FRONT PROPER
DURING THE EVENING. TAKING ALL OF THIS INTO CONSIDERATION...WILL NOT
GO ABOVE THE LOW-LIKELY POPS THAT WERE INHERITED. THERE WILL STILL
BE A SEVERE WEATHER THREAT...ESPECIALLY IF ANYTHING IS ABLE TO
ORGANIZE ALONG THE FRONT.

FRIDAY NIGHT AND SATURDAY...WITH THE UPPER LOW SPINNING NORTH OF THE
REGION...AND ANOTHER SHORT WAVE TROUGH DROPPING OUT OF THE PLAINS...
THE MID-LEVEL TROUGH AXIS/SURFACE FRONT TAKES ITS TIME PUSHING
THROUGH THE AREA. IN FACT...BOTH MODELS FEATURE QUITE A BIT OF QPF
ACROSS THE SOUTHEAST HALF OF THE FORECAST AREA AFTER 12Z SATURDAY.
THIS WILL NECESSITATE RAMPING POPS UP TO THE CHANCE RANGE IN THESE
AREAS. ALSO...BY SATURDAY AFTERNOON...THE SOUTHERN PORTION OF THE
FRONT IS SO DIFFUSE THAT THE NAM INITIATES HIGH TERRAIN CONVECTION.
THEREFORE...SLIGHT CHANCE POPS WILL EXIST AS FAR NORTH AND WEST AS
THE BLUE RIDGE.

&&

.LONG TERM /SATURDAY NIGHT THROUGH TUESDAY/...
AS OF 200 PM EDT WEDNESDAY...THE LATEST MEDIUM RANGE MODELS CONTINUE
TO INDICATE THAT THE TROUGH AXIS AND COLD FRONT WILL MOVE OFF TO THE
EAST LATE SATURDAY...WITH DECREASING PRECIPITATION FROM WEST TO
EAST. THEN DRY HIGH PRESSURE BUILDS IN FROM THE NW SUNDAY AND
REMAINS THROUGH MONDAY FOR RELATIVELY PLEASANT WEATHER. WILL
FORECAST DRY OVER THE PEDIMENT WITH SLIGHT CHANCE POPS ALONG THE
BLUE RIDGE SUN/MON. ANOTHER WEAK COLD FRONT IS EXPECTED TO PUSH
ACROSS THE AREA TUESDAY FOLLOWED BY HIGH PRESSURE ON WED. WITH LOWER
PW VALUES...PREDOMINANT DOWNSLOPE WEST WINDS AND WEAK
INSTABILITY...WILL MENTION SLIGHT TO LOW END CHANCE POPS FOR
DIURNAL CONVECTION TUE/WED. TEMPERATURES WILL BE A COUPLE DEGREES
BELOW SEASONAL AVERAGES DURING THE PERIOD.

&&

.AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
AT KCLT...CONVECTION HAS DEVELOPED ALL AROUND THE AIRFIELD THIS AFTN
ON OUTFLOWS. TEMPO TSRA 19Z TO 23Z STILL LOOKS LIKE THE BEST WINDOW
FOR TSRA AT THE AIRFIELD. ANY GUSTS WOULD BE FROM THE N AND WILL BE
ADDED AS NECESSARY. MAINLY VFR CIGS ARE EXPECTED...BUT WITH TEMPO
MVFR UNDER TSRA. THE ACTIVITY SHOULD DIMINISH QUICKLY THIS EVENING.
A MOIST BOUNDARY LAYER UNDER DRYING MID AND UPPER LEVEL AIR COULD
LEAD TO ANOTHER ROUND OF LOW CLOUDS...HOWEVER...NONE OF THE GUIDANCE
FEATURES ANY RESTRICTIONS TOWARD DAYBREAK AT THIS POINT. WILL HINT
TOWARD IFR CONDITIONS WITH A FEW007 MENTION FOR NOW. WINDS WILL BE
LIGHT.

ELSEWHERE...TSTMS WERE FORMING ALL ALONG THE ERN ESCARPMENT OF THE
MTNS THIS AFTN...AND COVERAGE SHOULD SLOWLY EXPAND EASTWARD. TEMPO
TSRA CHANCES LOOK BEST FROM KGMU TO KGSP THIS AFTN...WITH VCTS
MENTION ELSEWHERE UNLESS SOMETHING GETS CLOSE. EXPECT MAINLY SCT TO
BKN VFR CUMULUS CLOUDS...WITH TEMPO CIGS EXPECTED UNDER TSTMS. FLOW
SHOULD REMAIN LIGHT SW TO WSW EAST OF THE MOUNTAINS AND NW AT KAVL.
THE ACTIVITY WILL DIMINISH QUICKLY THIS EVENING...WITH A DECENT
CHANCE OF LOW CLOUDS/FOG AGAIN OVERNIGHT GIVEN THE MOIST BL AND
DRYING ALOFT. THE BEST CHANCE OF DAYBREAK IFR WILL BE KAVL TO KHKY.

OUTLOOK...SCATTERED AFTERNOON TSTMS WILL DEVELOP AGAIN THU...MAINLY
IN THE MTNS. A COLD FRONT WILL APPROACH FROM THE NW ON FRIDAY TO
INCREASE THUNDERSTORM COVERAGE THROUGH FRI NIGHT. DRIER HIGH PRES
WILL RETURN OVER THE WEEKEND AND LINGER INTO EARLY 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...HG
SHORT TERM...JDL
LONG TERM...JOH
AVIATION...HG
Hazardous weather outlook, Aug 8, 3:27 PM EDT, 1 hour 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
327 PM EDT WED AUG 8 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-091930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-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-
327 PM EDT WED AUG 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.

SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE REGION
THIS AFTERNOON AND EVENING. THE STRONGEST STORMS WILL BE CAPABLE
OF PRODUCING A BRIEF PERIOD OF LOCALLY DAMAGING WIND GUSTS AND
PERHAPS LARGE HAIL. FREQUENT CLOUD TO GROUND LIGHTNING AND LOCALLY
HEAVY RAINFALL CAN OCCUR WITH ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

A STRONG COLD FRONT WILL APPROACH THE REGION LATE FRIDAY. THERE
IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ASSOCIATED WITH THE
FRONT. DAMAGING WIND GUSTS WILL BE THE PRIMARY THREAT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

LANE

In the hours before

Local storm report, Aug 8, 3:51 PM EDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
351 PM EDT WED AUG 08 2012

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

0310 PM     HAIL             3 WNW MORGANTON         35.76N 81.75W
08/08/2012  M1.00 INCH       BURKE              NC   PUBLIC

&&

JOH
Special weather statement, Aug 8, 4:02 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
402 PM EDT WED AUG 8 2012

NCZ505-506-508-082045-
EASTERN MCDOWELL-GREATER RUTHERFORD-MCDOWELL MOUNTAINS-
402 PM EDT WED AUG 8 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN RUTHERFORD AND
SOUTHEASTERN MCDOWELL COUNTIES THROUGH 445 PM EDT...

AT 401 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTH OF GLENWOOD...OR 3 MILES SOUTHEAST
OF MARION...MOVING SOUTH AT 5 MPH.

PEOPLE IN NORTHERN RUTHERFORD AND SOUTHEASTERN MCDOWELL COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...

MARION...GLENWOOD AND DYSARTSVILLE...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

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

LAT...LON 3571 8186 3563 8184 3559 8183 3558 8182
      3549 8179 3543 8209 3571 8210 3575 8191
Special weather statement, Aug 8, 4:09 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
409 PM EDT WED AUG 8 2012

SCZ001-004-082045-
GREATER OCONEE-OCONEE MOUNTAINS-
409 PM EDT WED AUG 8 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN OCONEE COUNTY
THROUGH 445 PM EDT...

AT 405 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SENECA...OR 7 MILES SOUTHEAST OF WALHALLA...
MOVING SOUTH AT 5 MPH.

PEOPLE IN SOUTHEASTERN OCONEE COUNTY...INCLUDING THE FOLLOWING
LOCATION...

SENECA...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

MOTHBALL SIZE HAIL...AND WIND GUSTS UP TO 40 MPH 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 3477 8310 3481 8289 3478 8288 3474 8290
      3473 8286 3470 8287 3464 8283 3463 8285
      3462 8285 3447 8301

NED
Local storm report, Aug 8, 4:10 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
410 PM EDT WED AUG 08 2012

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

0326 PM     TSTM WND DMG     5 ENE CHARLOTTE         35.23N 80.75W
08/08/2012                   MECKLENBURG        NC   BROADCAST MEDIA

            BROADCAST MEDIA REPORTED LARGE TREE LIMBS BLOWN DOWN IN
            THE PLAZA AREA.

&&

LANE
Local storm report, Aug 8, 4:22 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
422 PM EDT WED AUG 08 2012

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

0403 PM     HAIL             EASLEY                  34.82N 82.59W
08/08/2012  E0.75 INCH       PICKENS            SC   LAW ENFORCEMENT

&&

MCAVOY
Local storm report, Aug 8, 4:31 PM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
431 PM EDT WED AUG 08 2012

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

0408 PM     TSTM WND DMG     8 SW POWDERSVILLE       34.71N 82.59W
08/08/2012                   ANDERSON           SC   LAW ENFORCEMENT

            HIGHWAY PATROL REPORTS A TREE DOWN AT 3 AND 20 RD AT
            HIGHWAY 88.

0406 PM     TSTM WND DMG     4 SW POWDERSVILLE       34.75N 82.54W
08/08/2012                   ANDERSON           SC   LAW ENFORCEMENT

            HIGHWAY PATROL REPORTED A TREE BLOWN DOWN ON MT AIRY
            CHURCH RD.

&&

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 8:07 PM EDTFlash Flood WarningGSPYork3 hr
Aug 7, 8:21 PM EDTSpecial Weather StatementGSPYork39 min
Aug 7, 9:18 PM EDTAreal Flood AdvisoryGSPChester, York2 hr
Aug 8, 12:17 AM EDTSpecial Weather StatementGSPPickens88 min
Aug 8, 1:58 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens62 min
Aug 8, 2:13 PM EDTSpecial Weather StatementGSPGreenville47 min
Aug 8, 3:04 PM EDTSevere Thunderstorm WarningGSPOconee41 min
Aug 8, 3:09 PM EDTSpecial Weather StatementGSPPickens36 min
Aug 8, 3:20 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens55 min
Aug 8, 3:50 PM EDTSevere Thunderstorm WarningGSPCherokee, York55 min
Aug 8, 4:09 PM EDTSpecial Weather StatementGSPOconee36 min
Aug 8, 4:14 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Oconee, Pickens47 min
Aug 8, 6:04 PM EDTSpecial Weather StatementGSPChester26 min
Aug 8, 6:19 PM EDTSevere Thunderstorm WarningGSPChester, Union56 min
Aug 8, 6:32 PM EDTSevere Thunderstorm WarningGSPLaurens, Union58 min

Nearby

Severe 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.