Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 540, NWS Greenville-Spartanburg, SC

August 10, 2012Buncombe County, Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 10, 2012, 8:35 PM EDT for Buncombe County, Madison County, North Carolina. It was in force for 42 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 10, 2012, 8:35 PM EDT (00:35 UTC)
Expired
Aug 10, 2012, 9:17 PM EDT
In force
42 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Buncombe County, NC, Madison County, NC

The radar

The Knoxville radar (KMRX), 85 km from the middle of the area, began a volume at 00:37 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 10, 9:00 PM EDTTSTM WND DMG2 Wnw Barnardsville, NCTREES AND LARGE LIMBS DOWN ALONG HIGHWAY 197 WEST OF BARNARDSVILLE

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 25 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 00:00Z, 0.6 hours before the alert went out and 248 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 00:00Z on 2012-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 781 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 00:00Z on 2012-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
781 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

195 
WUUS52 KGSP 110035
SVRGSP
NCC021-115-110130-
/O.NEW.KGSP.SV.W.0540.120811T0035Z-120811T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
835 PM EDT FRI AUG 10 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA...
  SOUTHERN MADISON COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 930 PM EDT

* AT 832 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
  LEICESTER...OR 5 MILES SOUTH OF MARSHALL...AND MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  WOODFIN.
  WEAVERVILLE AND UNC ASHEVILLE.
  BARNARDSVILLE.
  BLACK MOUNTAIN.

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 3586 8243 3561 8231 3561 8281 3563 8282
      3581 8293
TIME...MOT...LOC 0035Z 277DEG 35KT 3572 8266

$$

NED
2 follow-up statements
018 
WWUS52 KGSP 110059
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
859 PM EDT FRI AUG 10 2012

NCC115-110108-
/O.CAN.KGSP.SV.W.0540.000000T0000Z-120811T0130Z/
MADISON NC-
859 PM EDT FRI AUG 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MADISON COUNTY IS
CANCELLED...

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

LAT...LON 3562 8231 3561 8232 3561 8261 3573 8268
      3575 8265 3579 8255 3580 8250 3580 8247
      3581 8246 3582 8241
TIME...MOT...LOC 0058Z 277DEG 35KT 3571 8246

$$

NCC021-110130-
/O.CON.KGSP.SV.W.0540.000000T0000Z-120811T0130Z/
BUNCOMBE NC-
859 PM EDT FRI AUG 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
BUNCOMBE COUNTY UNTIL 930 PM EDT...

AT 856 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
WEAVERVILLE...OR 9 MILES NORTHEAST OF DOWNTOWN ASHEVILLE...MOVING 
EAST AT 40 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED 2 MILES 
NORTHWEST OF BLACK MOUNTAIN.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  BLACK MOUNTAIN.

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 3562 8231 3561 8232 3561 8261 3573 8268
      3575 8265 3579 8255 3580 8250 3580 8247
      3581 8246 3582 8241
TIME...MOT...LOC 0058Z 277DEG 35KT 3571 8246

$$

NED
899 
WWUS52 KGSP 110117
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
917 PM EDT FRI AUG 10 2012

NCC021-110127-
/O.CAN.KGSP.SV.W.0540.000000T0000Z-120811T0130Z/
BUNCOMBE NC-
917 PM EDT FRI AUG 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BUNCOMBE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA. 
HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3562 8231 3561 8232 3561 8261 3573 8268
      3575 8265 3579 8255 3580 8250 3580 8247
      3581 8246 3582 8241
TIME...MOT...LOC 0117Z 277DEG 35KT 3569 8223

$$

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 10, 8:08 PM EDT, 27 minutes earlier.

Area forecast discussion, Aug 10, 8:08 PM EDT, 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
808 PM EDT FRI AUG 10 2012

.SYNOPSIS...
A COLD FRONT WILL APPROACH FROM THE WEST THIS AFTERNOON AND SHOULD
GET HUNG UP ACROSS THE MOUNTAINS TONIGHT. THE FRONT IS EXPECTED TO
PUSH THROUGH LATE SATURDAY AND THEN SOUTH OF THE AREA ON SUNDAY.
HIGH PRESSURE WILL MOVE IN FOR THE EARLY PART OF NEXT WEEK.
MEANWHILE ANOTHER FRONT WILL APPROACH THE AREA BY MID WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
AS OF 530 PM...A STRONG STORM HAS MOVED INTO RABUN COUNTY...AND A
LINE OF CONVECTION IS ORGANIZING OVER THE GREAT VALLEY OF TN.
HOWEVER...NOT MUCH IS HAPPENING OVER THE ERN FOOTHILLS AND PIEDMONT
ZONES ATTM AND I/VE CUT BACK POPS IN THOSE LOCATIONS FOR THE NEXT
COUPLE HOURS. THERE CONTINUES TO BE GOOD MODEL AGREEMENT THAT
CONVECTION WILL BECOME MORE WIDESPREAD THROUGH BOTH AN MCS MOVING
INTO THE NC MTNS AND CONVECTION DEVELOPING IN STRENGTHENING LLVL
CONVERGENCE ACROSS THE FOOTHILLS LATER THIS EVENING. AND THIS IS
REFLECTED WELL IN THE GRIDS.

AS OF MID AFTERNOON...VISIBLE SATELLITE IMAGERY SHOWS LOW CONVECTIVE
CLOUDS SCATTERING SUFFICIENTLY E OF THE BLUE RIDGE TO ALLOW HEATING
THAT HAS RAISED SFC-BASED CAPE INTO THE 1500-2000 J/KG RANGE ON THE
LAPS ANALYSIS. SHOWER ACTIVITY HAS DEVELOPED OVER THE CLT METRO AREA
AND ALONG THE BLUE RIDGE...WITH MORE ACTIVITY CLOSER TO THE FRONT
OVER THE CUMBERLAND PLATEAU. EXPECT SHOWERS AND STORMS TO CONTINUE
DEVELOPING AND BECOMING MORE NUMEROUS...MAINLY OVER THE MTNS AND
FOOTHILLS...THROUGH THE LATE AFTERNOON. SEVERE WEATHER REMAINS A
CONCERN WITH SOME DRY AIR ABOVE 500 MB...ALTHO IN GENERAL THE
SOUNDINGS DO NOT LOOK AS FAVORABLE AS YESTERDAY.

OVER THE NEXT 24 HOURS OR SO...THE MODELS ARE IN GOOD AGREEMENT WITH
THE EVOLUTION OF WEATHER FEATURES...AND IN PARTICULAR SHOW THE AXIS
OF THE UPPER TROF AND THE UPPER JET REMAINING TO OUR WEST. THIS WILL
ACT TO KEEP THE SURFACE FRONT HUNG UP PROBABLY OVER THE MTNS THROUGH
SATURDAY AFTERNOON. THE TREND...THEREFORE...IS TO HOLD ON TO MORE OF
A CHANCE OF SHOWER/TSTM ACTIVITY OVER A LARGER PART OF THE FCST AREA
THROUGH 00Z SUNDAY.

THE THREAT OF SEVERE STORMS WILL SLOWLY INCREASE AS BUOYANCY
AND DCAPE SLOWLY BECOME MORE FAVORABLE...WITH JUST ENOUGH SHEAR TO
PERHAPS ORGANIZE STORMS EARLY THIS EVENING. THE 4KM WRF DEVELOPS A
LINE OF STORMS OFF THE BLUE RIDGE AROUND 23Z WHILE THE HRRR BRINGS
THE LINE OF STORMS ACROSS TN AND INTO THE NC MTNS AROUND THAT TIME.
ABUNDANT LOW LEVEL MOISTURE AND ENUF UPPER FORCING WILL EXIST TO
WARRANT A LIKELY POP INTO THE EVENING HOURS. WILL KEEP POP IN THE
CHANCE RANGE OVERNIGHT AS ADDITIONAL STORMS COULD REDEVELOP AT ANY
TIME WITH THE SITUATION REMAINING UNCHANGED. TEMPS WILL REMAIN MILD.

ON SATURDAY...EXPECT THE FRONT TO BE HUNG UP OVER THE MTNS AT
SUNRISE. UNLESS EXTENSIVE CONVECTIVE DEBRIS PREVENTS IT...CONVECTION
SHOULD RE-FIRE EARLY IN THE DAY CLOSE TO THE FRONT AS IT DID TO OUR
WEST THIS PAST MORNING. UPPER DIVERGENCE...DPVA...AND PLENTY OF
MOISTURE SUGGEST ANOTHER POP IN THE LIKELY RANGE BY AFTERNOON OVER
THE PIEDMONT...AND A CHANCE UP TO THE BLUE RIDGE. A GUIDANCE BLEND
WAS USED FOR HIGH TEMPS.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AT 200 PM EDT FRIDAY...12Z GFS AND NAM STILL SOMEWHAT AT ODDS AS TO
HOW FAST THE FRONTAL BAND OF DEEP LAYER MOISTURE AND PRECIP WILL
EXIT THE FORECAST AREA OVER THE EAST. THE NAM STIL IS FASTER AND HAS
THE DEEP LAYER FRONTAL MOISTURE EAST OF THE AREA BY 00Z SUN...WHILE
THE GFS IS CONSIDERABLY SLOWER AND WETTER. THE SREF APPEARS TO
CONTINUE TO BE A GOOD COMPROMISE FOR THE SOLUTION. THE SREF KEEPS
PRECIP CHANCES OVER THE EASTERN MOST PART OF THE FORECAST AREA EARLY
ON SAT NIGHT...AND THEN MOVES THE MOISTURE/PRECIP EAST BY MIDNIGHT.
WILL ALSO SCATTER AND CLEAR THE CLOUDS FROM NW TO SE SAT NIGHT. HIGH
PRESSURE BUILDS OVER THE AREA ON SUN WHICH SHOULD PRODUCE A VERY
NICE DAY WITH DEWPOINTS MIXING OUT INTO THE 50S OVER THE MOUNTAINS
AND LOW 60S ELSEWHERE. THE HIGH SHIFTS EAST OF THE AREA ON
MONDAY...BUT ITS LINGERING INFLUENCE SHOULD ALLOW FOR ANOTHER DRY
DAY ON MONDAY. TEMPS ARE EXPECTED TO BE SLIGHTLY BELOW CLIMO ON SUN
AND NEAR CLIMO ON MON.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AT 130 PM EDT FRIDAY...A SOMEWHAT PROGRESSIVE PATTERN APPEARS TO BE
IN STORE DURING THE MEDIUM RANGE. THE UPPER AIR PATTERN WILL
GENERALLY FEATURE A MEAN TROUGH OVER THE EASTERN U.S. WITH
INDICATIONS FROM THE LATEST 12Z GFS OF BUILDING HEIGHTS TOWARD THE END
OF NEXT WEEK OVER THE EAST. LATEST HPC/GFS GUIDANCE SUGGESTS A WEAK
COLD FRONT WILL CROSS THE REGION ON TUE ALONG WITH SCATTERED
CONVECTION. THE GFS DRIVES THE FRONT SE OF THE AREA BY WED WITH HIGH
PRESSURE BUILDING IN THROUGH THU. THUS ONLY CLIMO TYPE POPS FOR
AFTERNOON CONVECTION IN THE MOUNTAINS WED AND THU. ANOTHER FRONT
APPROACHES THE AREA ON FRI AND PER HPC WILL FORECAST CHANCE TYPE
POPS. TEMPS SHOULD BE NEAR CLIMO THROUGH THE PERIOD.

&&

.AVIATION /00Z SATURDAY THROUGH WEDNESDAY/...
AT KCLT...AN AREA OF SHRA WAS ABOUT 40 MI WEST OF THE AIRFIELD AT
ISSUANCE TIME. IF THEY DEVELOP FURTHER THEY COULD GET CLOSE ENUF TO
WARRANT A VCTS IN ABOUT AN HOUR. STILL EXPECTING SHRA/TSTMS TO
DEVELOP AS THE EVENING PROGRESSES...THOUGH I/VE PUSHED THE TEMPO
GROUP FOR THUNDER BACK AN HOUR...TO 02-05 UTC. IFR STRATUS IS
EXPECTED TO DEVELOP AGAIN TONIGHT. HOWEVER...IF THERE ISN/T MUCH
PCPN AROUND THE AIRFIELD...THEN THE LOW CLOUDS MAY STAY TO THE
SOUTHEAST...DOWN ACROSS THE MIDLANDS. WINDS WILL GENERALLY BE FROM
THE S TO SW OVERNIGHT AND SATURDAY. A COLD FRONT WILL STALL OVER THE
FOOTHILLS TMRW WITH MORE THUNDERSTORMS DEVELOPING OVER THE PIEDMONT
IN THE AFTN AND EVENING HOURS.

ELSEWHERE...AS A COLD FRONT ENTERS THE MOUNTAINS THIS
EVENING...SHRA/TSTMS WILL INCREASE IN COVERAGE ACROSS THE REGION. I
STILL EXPECT ENOUGH COVERAGE THAT TEMPO GROUPS HAVE BEEN INCLUDED AT
ALL TAF SITES FOR VARIOUS PERIODS OF TIME INTO THE EARLY MORNING
HOURS. THERE WAS AN AREA OF TSTMS NOT TOO FAR NW OF KGSP AND KGMU AT
ISSUANCE TIME ALONG WITH OTHER STRONG STORMS ABOUT 15 MILES NORTH OF
KAVL. LATER TONIGHT VALLEY FOG IS A GOOD BET ACROSS THE FRENCH BROAD
VALLEY...ESPECIALLY IF THERE IS LATE NIGHT CLEARING. THE LOW LEVEL
WINDS WILL VEER AROUND TO THE SW OVER THE FOOTHILLS AND PIEDMONT.
THIS MAY CAUSE IFR CIGS TO DEVELOP SOUTH OF ALL THE TAF SITES...DOWN
ACROSS THE MIDLANDS. HOWEVER...IF THERE IS FAIRLY WIDESPREAD RAIN
WITH SHRA/TSTMS...THEN THE LOW CLOUDS SHOULD FORM CLOSER TO THE
MTNS. I/M BANKING ON THIS AND HAVE INCLUDED IFR CIGS LATER
TONIGHT...IN LINE WITH THE MODEL GUIDANCE.

OUTLOOK...A COLD FRONT WILL SLOWLY CROSS THE AREA LATE SATURDAY...
WITH DRIER HIGH PRES BUILDING IN FROM THE W THE LATTER HALF OF THE
WEEKEND. WEAK HIGH PRESSURE WILL LINGER THROUGH 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...PM
NEAR TERM...MCAVOY
SHORT TERM...LG
LONG TERM...LG
AVIATION...MCAVOY
Hazardous weather outlook, Aug 10, 3:25 PM EDT, 5 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT FRI AUG 10 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111930-
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-
325 PM EDT FRI AUG 10 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.

THUNDERSTORMS ARE IN THE FORECAST FOR LATE THIS AFTERNOON AND
TONIGHT. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE...PRODUCING
DAMAGING WIND AND LARGE HAIL. CLOUD TO GROUND LIGHTNING AND
LOCALLY HEAVY RAINFALL CAN BE EXPECTED WITH ANY THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

LG

In the hours before

Special weather statement, Aug 10, 6:13 PM EDT, 2 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
613 PM EDT FRI AUG 10 2012

NCZ064-SCZ002-003-102245-
GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
613 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN PICKENS...NORTHWESTERN
GREENVILLE AND SOUTHERN TRANSYLVANIA COUNTIES THROUGH 645 PM EDT...

AT 612 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHEAST OF LAKE JOCASSEE...OR 15 MILES
NORTHWEST OF PICKENS...MOVING EAST AT 15 MPH.

PEOPLE IN NORTHERN PICKENS...NORTHWESTERN GREENVILLE AND SOUTHERN
TRANSYLVANIA COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

LAKE JOCASSEE...ROCKY BOTTOM AND TABLE ROCK RESERVOIR...

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

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

LAT...LON 3515 8296 3515 8267 3494 8261 3492 8266
      3495 8290 3502 8292 3505 8290 3505 8293

NED
Special weather statement, Aug 10, 6:54 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
654 PM EDT FRI AUG 10 2012

SCZ002-003-005-102330-
GREATER PICKENS-GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-
654 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN PICKENS AND
NORTHWESTERN GREENVILLE COUNTIES THROUGH 730 PM EDT...

AT 651 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF TABLE ROCK RESERVOIR...OR 12
MILES NORTH OF PICKENS...MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  TABLE ROCK RESERVOIR...
  CAESARS HEAD...
  MARIETTA...

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

LAT...LON 3505 8290 3508 8278 3507 8278 3507 8276
      3510 8272 3510 8270 3511 8268 3513 8249
      3499 8249 3497 8253 3490 8251 3497 8282
      3502 8292

NED
Special weather statement, Aug 10, 7:37 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
737 PM EDT FRI AUG 10 2012

SCZ002-003-006-110015-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-
737 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PICKENS AND
NORTHWESTERN GREENVILLE COUNTIES THROUGH 815 PM EDT...

AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TABLE ROCK RESERVOIR...OR 11 MILES NORTH OF
PICKENS...MOVING EAST AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  TABLE ROCK RESERVOIR...
  CAESARS HEAD...
  JONES GAP STATE PARK...
  MARIETTA...

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

LAT...LON 3494 8252 3497 8253 3494 8261 3495 8280
      3508 8280 3509 8278 3507 8278 3507 8276
      3510 8270 3511 8268 3518 8231 3494 8229

NED
Special weather statement, Aug 10, 7:47 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
747 PM EDT FRI AUG 10 2012

NCZ053-110015-
BUNCOMBE-
747 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN BUNCOMBE COUNTY
THROUGH 815 PM EDT...

AT 743 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES EAST OF WEAVERVILLE...OR 9 MILES
NORTHEAST OF DOWNTOWN ASHEVILLE...MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  BARNARDSVILLE...

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

LAT...LON 3579 8234 3575 8234 3574 8232 3563 8228
      3561 8257 3578 8258 3580 8252 3580 8247
      3581 8247 3582 8236

NED
Special weather statement, Aug 10, 8:18 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
818 PM EDT FRI AUG 10 2012

NCZ048-053-110045-
BUNCOMBE-MADISON-
818 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BUNCOMBE AND
SOUTHERN MADISON COUNTIES THROUGH 845 PM EDT...

AT 816 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LUCK...OR 9 MILES SOUTHWEST OF MARSHALL...
MOVING SOUTHEAST AT 25 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MARSHALL...
  LEICESTER...
  WOODFIN...

PEA SIZE HAIL AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3586 8273 3579 8256 3565 8250 3557 8274
      3561 8280 3563 8282 3562 8282 3565 8286
      3582 8295 3583 8294

NED
Special weather statement, Aug 10, 8:29 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
829 PM EDT FRI AUG 10 2012

SCZ007-110100-
SPARTANBURG-
829 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN SPARTANBURG COUNTY
THROUGH 900 PM EDT...

AT 828 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF INMAN...OR 9 MILES NORTHWEST
OF SPARTANBURG...MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  BOILING SPRINGS SC...
  SPARTANBURG...

PEA SIZE HAIL AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3517 8191 3494 8185 3491 8215 3509 8219

NED

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 8:18 PM EDTSpecial Weather StatementGSPMadison27 min
Aug 10, 9:06 PM EDTSevere Thunderstorm WarningGSPBuncombe, McDowell, Yancey54 min
Aug 10, 9:28 PM EDTAreal Flood AdvisoryGSPCaldwell2 hr
Aug 10, 10:00 PM EDTSpecial Weather StatementGSPBuncombe30 min
Aug 10, 10:01 PM EDTSpecial Weather StatementGSPBurke29 min
Aug 11, 4:29 AM EDTSpecial Weather StatementGSPAvery, Mitchell46 min
Aug 11, 4:43 AM EDTSevere Thunderstorm WarningGSPAvery, Caldwell, Mitchell62 min
Aug 11, 12:36 PM EDTSpecial Weather StatementGSPDavie39 min
Aug 11, 1:30 PM EDTAreal Flood AdvisoryGSPCaldwell85 min
Aug 11, 3:14 PM EDTSpecial Weather StatementGSPAlexander31 min
Aug 11, 3:21 PM EDTSevere Thunderstorm WarningGSPAlexander37 min
Aug 11, 4:40 PM EDTSpecial Weather StatementGSPIredell35 min
Aug 11, 6:03 PM EDTSpecial Weather StatementGSPIredell27 min
Aug 11, 6:35 PM EDTSpecial Weather StatementGSPIredell40 min
Aug 11, 7:29 PM EDTAreal Flood AdvisoryGSPDavie106 min

Nearby

Severe Thunderstorm Warnings in North 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.