Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 418, NWS Greenville-Spartanburg, SC

July 17, 2012Greenville County, South Carolina; Henderson County, Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 17, 2012, 2:23 PM EDT for Greenville County, South Carolina; Henderson County, Transylvania County, North Carolina. It was in force for 48 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
Jul 17, 2012, 2:23 PM EDT (18:23 UTC)
Expired
Jul 17, 2012, 3:11 PM EDT
In force
48 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Henderson County, NC, Transylvania County, NC, Greenville County, SC

The radar

The Greer radar (KGSP), 45 km from the middle of the area, began a volume at 18:23 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
Jul 17, 2:24 PM EDTTSTM WND DMGHendersonville, NCMULTIPLE TREES AND POWER LINES DOWN ON 4TH AVE WEST NEAR NORTH WASHINGTON ST.

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 1 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, 6.4 hours before the alert went out and 252 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 2012-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 666 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 2012-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
666 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
26 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.

744 
WUUS52 KGSP 171823
SVRGSP
NCC089-175-SCC045-171930-
/O.NEW.KGSP.SV.W.0418.120717T1823Z-120717T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
223 PM EDT TUE JUL 17 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HENDERSON COUNTY IN WESTERN NORTH CAROLINA...
  NORTHEASTERN TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA...
  NORTHWESTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 330 PM EDT

* AT 219 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
  ETOWAH...OR 9 MILES NORTHEAST OF BREVARD...AND MOVING SOUTHEAST AT
  5 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  ETOWAH.

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 3544 8256 3525 8235 3524 8236 3523 8235
      3519 8236 3519 8232 3520 8229 3517 8226
      3502 8259 3505 8260 3507 8257 3507 8262
      3537 8278 3544 8261
TIME...MOT...LOC 1823Z 331DEG 5KT 3533 8263

$$

07
2 follow-up statements
755 
WWUS52 KGSP 171853
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 PM EDT TUE JUL 17 2012

NCC089-175-SCC045-171930-
/O.CON.KGSP.SV.W.0418.000000T0000Z-120717T1930Z/
HENDERSON NC-TRANSYLVANIA NC-GREENVILLE SC-
253 PM EDT TUE JUL 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
GREENVILLE...EAST CENTRAL TRANSYLVANIA AND SOUTHERN HENDERSON
COUNTIES UNTIL 330 PM EDT...

AT 251 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
NORTH SALUDA RESERVOIR...OR 10 MILES SOUTH OF HENDERSONVILLE...MOVING
SOUTH AT 20 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EAST
CENTRAL TRANSYLVANIA...NORTHWESTERN GREENVILLE AND SOUTHERN HENDERSON
COUNTIES.

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 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 3525 8235 3524 8236 3523 8235 3519 8236
      3519 8232 3520 8229 3517 8226 3502 8259
      3505 8260 3507 8257 3507 8262 3524 8271
      3535 8246
TIME...MOT...LOC 1854Z 341DEG 19KT 3516 8244

$$

RB
949 
WWUS52 KGSP 171911
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT TUE JUL 17 2012

NCC089-175-SCC045-171921-
/O.CAN.KGSP.SV.W.0418.000000T0000Z-120717T1930Z/
HENDERSON NC-TRANSYLVANIA NC-GREENVILLE SC-
311 PM EDT TUE JUL 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GREENVILLE...EAST
CENTRAL TRANSYLVANIA AND SOUTHERN HENDERSON COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.

LAT...LON 3525 8235 3524 8236 3523 8235 3519 8236
      3519 8232 3520 8229 3517 8226 3502 8259
      3505 8260 3507 8257 3507 8262 3524 8271
      3535 8246
TIME...MOT...LOC 1911Z 341DEG 19KT 3507 8240

$$

RB

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 Jul 17, 2:01 PM EDT, 22 minutes earlier.

Area forecast discussion, Jul 17, 2:01 PM EDT, 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
201 PM EDT TUE JUL 17 2012

.SYNOPSIS...
BERMUDA HIGH PRESSURE WILL CONTINUE TO CONTROL OUR WEATHER THROUGH
MID-WEEK. A FRONTAL BOUNDARY OVER THE OHIO VALLEY IS EXPECTED TO
DROP SOUTH...INTO THE SOUTHEAST STATES LATE FRIDAY. THE FRONT WILL
REMAIN OVER OR JUST SOUTH OF THE REGION THROUGH THE WEEKEND.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
AT 200 PM EDT TUESDAY...THE CLOSED UPPER LOW OVER FL IS EXPECTED TO
OPEN UP AND DRIFT SLOWLY NORTHWEST INTO GA TONIGHT...WHILE A FLAT
RIDGE REMAINS FROM THE TN VALLEY TO THE MID ATLANTIC COAST.
CONVECTION DEVELOPING OVER THE MOUNTAINS THIS AFTERNOON WILL DRIFT
SLOWLY SE INTO THE FOOTHILLS. ADDITIONAL ACTIVITY IS EXPECTED TO
DEVELOP IN THE PIEDMONT LATE THIS AFTERNOON. MODEL SOUNDINGS
REMAIN FAVORABLE FOR GUSTY WINDS. ACTIVITY WILL DIMINISH WITH THE
LOSS OF HEATING THIS EVENING. OVERNIGHT LOWS WILL BR AROUND
CLIMATOLOGICAL NORMALS.

ON WEDNESDAY THE UPPER LOW OVER GA OPENS UP AND DRIFTS FARTHER
NORTH...BUT THE MODELS ARE NOT CLEAR ON WEATHER UPPER IMPULSES
ROUNDING THIS LOW REACH THE OUR AREA. MODEL SOUNDINGS REMAIN
SUPPORTIVE OF CONVECTION...WITH CAPE IN EXCESS OF 1000 J/KG.
CONVECTIVE COVERAGE SHOULD BE AT LEAST AS GREAT AS TODAY...AND EVEN
GREATER IF THE UPPER LOW CAN PROVIDE ADDITIONAL SUPPORT. MAXIMUM
TEMPERATURES WILL REMAIN ABOVE NORMAL AS THE UPPER RIDGE REMAINS
OVER THE AREA. THE HEAT INDEX IS EXPECTED TO APPROACH 100 DEGREES IN
AREAS ALONG AND EAST OF INTERSTATE 77...BUT SHOULD REMAIN BELOW
ADVISORY CRITERIA OF 105 DEGREES.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
AS OF 200 PM TUESDAY...THE SHORT TERM PERIOD WILL GRADUALLY SEE
SOMEWHAT OF A PATTERN CHANGE BY THE CLOSE OF FRIDAY. THE WEAK UPPER
LOW IS FORECAST TO BE OVER THE MIDLANDS OF SC AT THE BEGINNING OF THE
PERIOD WHICH THEN SHOULD MOVE EASTWARD AS HEIGHTS FALL SOMEWHAT
ALONG THE EAST COAST THANKS TO A DIGGING UPPER TROUGH OVER NORTHERN
NEW ENGLAND. BY THE END OF THE PERIOD...A WEAK NW FLOW REGIME IS
FORECAST TO PREVAIL. AT THE SURFACE...A VERY WEAK PRESSURE PATTERN
WILL PERSIST WITH GENERALLY WEAK HIGH PRESSURE ACROSS THE SOUTHERN
APPALACHIANS WITH A LEE TROUGH TO THE EAST. WITH BOUNDARY LAYER
MOISTURE REMAINING HIGH...EXPECT THAT DIURNALLY ENHANCED CONVECTION
WILL BE THE RULE THROUGH THU. LATE DAY CONVECTION ON WED SHOULD WANE
DURING THE EVENING PER LOW LEVEL CIN ADVERTISED IN BUFKIT SOUNDINGS.
CONVECTIVE COVERAGE SHOULD RAMP UP AGAIN ON THU. SEE NO REASON TO
DEVIATE FROM THE RATHER ROBUST AFTERNOON POPS WITH THE GREATEST
COVERAGE MOUNTAIN AREAS. WILL BACK OFF POPS AGAIN THU NIGHT AS LOW
LEVEL CIN DEVELOPS.

THE NORTHERN STREAM TROUGH WILL CONTINUE TO DIG INTO FRI WITH SHEAR
GRADUALLY INCREASING TO ALMOST 20KT IN THE SFC-6KM LAYER. A WEAK
FRONT IS FORECAST TO ENTER THE AREA ON FRI. WITH THE SURFACE
CONVERGENCE AND INCREASING SHEAR EXPECT GOOD CONVECTIVE COVERAGE
WITH LIKELY POPS JUSTIFIED. SOME ORGANIZED CONVECTIVE CLUSTERS COULD
GET GOING ON FRI AND POSE AN ENHANCED SEVERE THREAT. USED A BLEND OF
BIAS CORRECTED MOS TO GENERATE TEMP FIELDS.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 2 PM TUESDAY...A WEAK COLD FRONT WILL SLOWLY SAG SOUTHWARD
FRIDAY NIGHT WITH A CONTINUING SHOWER/THUDNERSTORM THREAT
ESPECIALLY ACROSS SOUTHERN AREAS. THE FRONT WILL STALL OVER
OVER...OR JUST SOUTH OF THE FA ON SATURDAY. THE PRESENCE OF THE
BOUNDARY WILL SERVE TO GENERATE SHOWERS AND THUNDERSTORMS WITH THE
BEST COVERAGE OUTSIDE OF THE MOUNTAINS SAT AND SUN AFTERNOONS. THE
BOUNDARY GRADUALLY WASHES OUT BY MON WHICH MEANS WE SHOULD RETURN
TO A MORE TYPICAL JULY PATTERN...WITH SCATTERED DIURNAL
CONVECTION BOTH MON AND TUE. STAYED CLOSE TO HPC GUIDANCE. MAX
TEMPS ARE FORECAST TO BE A COUPLE CATEGORIES BELOW AVERAGE THROUGH
THE WEEKEND THANKS TO ENHANCED CLOUD COVER AND WEAK CAD REGIME.
TEMPS ARE FORECAST TO WARM TO NEAR NORMAL MON AND THEN A LITTLE
ABOVE AVERAGE ON TUE.

&&

.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
AT KCLT...SCATTERED CONVECTION IS EXPECTED TO DEVELOP TODAY...BUT
UNLESS IT OCCURS OVER THE TERMINAL...A RESTRICTION IS NOT LIKELY.
CONFIDENCE IS HIGH ENOUGH TO CARRY TS AND A LOW VFR CIG WITH CB. A
GUIDANCE CONSENSUS DOES NOT FAVOR MORNING FOG...AND MODEL TIME
HEIGHTS SUGGEST LESS CUMULUS AND MORE CIRRUS AFTER MIDNIGHT. LIGHT
WINDS REA EXPECTED TO FAVOR THE SW BY LATER THIS AFTERNOON.

ELSEWHERE...CONVECTION WILL HAVE THE MOST COVERAGE IN THE
MOUNTAINS...MAKING KAVL MOST VULNERABLE...BUT CONFIDENCE IS NOT HIGH
ENOUGH FOR RESTRICTIONS. WILL CARRY TS AND LOW VFR CIG WITH CB THIS
AFTERNOON. LATE TONIGHT LOW CLOUDS SHOULD DECREASE...WHILE ANVIL
DEBRIS REMAINS. GUIDANCE STILL LIKE DAYBREAK FOG AT KAVL...BUT IS
NOT VERY SUPPORTIVE AT FOOTHILL SITES. GIVEN THAT GUIDANCE HAS BEEN
OVERDONE AT KAVL...VFR WILL BE MAINTAINED THERE AT THIS TIME. LIGHT
WINDS WILL TAKE ON A WESTERLY COMPONENT...EXCEPT AT KAVL WHERE THEY
WILL CHANNEL UP VALLEY FROM THE NW.

OUTLOOK...SCATTERED THUNDERSTORMS WILL CONTINUE LATE WEDNESDAY...
ESPECIALLY OVER THE MOUNTAINS. A COLD FRONT WILL REACH THE AREA
THURSDAY...REMAINING INTO THE WEEKEND...AND INCREASING THE CHANCE
OF THUNDER...LOW CIGS...AND FOG.

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...PAT
NEAR TERM...JAT
SHORT TERM...LG
LONG TERM...LG
AVIATION...JAT
Hazardous weather outlook, Jul 17, 5:20 AM EDT, 9 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
520 AM EDT TUE JUL 17 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-180930-
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-
520 AM EDT TUE JUL 17 2012

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SLOW MOVING THUNDERSTORMS WILL DEVELOP OVER THE REGION
AGAIN TODAY. A FEW OF THE THUNDERSTORMS MAY PRODUCE SMALL AREAS
OF WIND DAMAGE. LOCALLY VERY HEAVY RAINFALL IS ALSO POSSIBLE WITH
THE STRONGER STORMS AND FLOODING OF POOR DRAINAGE AREAS MAY
DEVELOP. WHILE AN ISOLATED SEVERE STORM IS POSSIBLE NEARLY
ANYWHERE TODAY...THERE WILL BE A LITTLE GREATER CHANCE ACROSS THE
UPPER SAVANNAH RIVER VALLEY.

OVER THE PAST FEW DAYS THERE HAVE BEEN A NUMBER OF INSTANCES OF
TREES FALLING MAINLY DUE TO THE EFFECTS OF HEAVY RAIN AND
SATURATED SOILS. THIS IS LIKELY TO HAPPEN AGAIN TODAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

14

In the hours before

Local storm report, Jul 17, 10:06 AM EDT, 4 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1006 AM EDT TUE JUL 17 2012

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

0737 PM     TSTM WND DMG     3 SE PUMPKINTOWN        34.97N 82.61W
07/16/2012                   PICKENS            SC   LAW ENFORCEMENT

            TREES IN ROADWAY ALONG SC135 NEAR THE INTERSECTION OF MT
            TABOR CHURCH RD.

&&

TW
Local storm report, Jul 17, 10:07 AM EDT, 4 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1007 AM EDT TUE JUL 17 2012

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

0659 PM     TSTM WND DMG     4 NW PACOLET            34.94N 81.81W
07/16/2012                   SPARTANBURG        SC   PUBLIC

            A FEW LARGE TREE LIMBS DOWN ALONG BETHESDA RD.

&&

TW
Special weather statement, Jul 17, 11:41 AM EDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1141 AM EDT TUE JUL 17 2012

NCZ052-059-063-171630-
HAYWOOD-NORTHERN JACKSON-SOUTHERN JACKSON-
1141 AM EDT TUE JUL 17 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN JACKSON AND
SOUTHERN HAYWOOD COUNTIES THROUGH 1230 PM EDT...

AT 1137 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR BALSAM...OR 5 MILES SOUTHWEST OF
WAYNESVILLE...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO WOLF
  MOUNTAIN...WAYNESVILLE...SUNBURST AND BALSAM.

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 3555 8304 3538 8279 3537 8279 3531 8286
      3532 8287 3529 8292 3526 8293 3520 8300
      3543 8320

07
Special weather statement, Jul 17, 11:43 AM EDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1143 AM EDT TUE JUL 17 2012

GAZ010-171630-
RABUN-
1143 AM EDT TUE JUL 17 2012

...A STRONG THUNDERSTORM WILL AFFECT RABUN COUNTY THROUGH 1230 PM
EDT...

AT 1140 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTHEAST OF TATE CITY...OR 6 MILES
NORTHWEST OF CLAYTON...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
  RABUN...TIGER...MOUNTAIN CITY...LAKEMONT...DILLARD AND CLAYTON.

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 3492 8360 3494 8360 3495 8356 3499 8356
      3500 8355 3499 8352 3500 8340 3488 8322
      3473 8341 3475 8343 3473 8346 3491 8363

07
Special weather statement, Jul 17, 11:48 AM EDT, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1148 AM EDT TUE JUL 17 2012

GAZ010-017-018-SCZ001-171630-
HABERSHAM-OCONEE MOUNTAINS-RABUN-STEPHENS-
1148 AM EDT TUE JUL 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN HABERSHAM...NORTHWESTERN
STEPHENS...SOUTHERN RABUN AND WESTERN OCONEE COUNTIES THROUGH 1230 PM
EDT...

AT 1143 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TURNERVILLE...OR 7 MILES NORTHEAST OF
CLARKESVILLE...MOVING EAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
  RABUN...NACOOHE LAKE...TURNERVILLE...TALLULAH FALLS...LAKEMONT...
  HOLLYWOOD...CLARKESVILLE AND LONG CREEK.

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 3483 8326 3458 8322 3459 8353 3477 8355

07
Special weather statement, Jul 17, 2:16 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
216 PM EDT TUE JUL 17 2012

NCZ064-065-SCZ003-171900-
GREENVILLE MOUNTAINS-HENDERSON-TRANSYLVANIA-
216 PM EDT TUE JUL 17 2012

...A STRONG THUNDERSTORM WILL AFFECT HENDERSON...NORTHEASTERN
TRANSYLVANIA AND NORTHWESTERN GREENVILLE COUNTIES THROUGH 300 PM
EDT...

AT 211 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR ETOWAH...OR 7 MILES WEST OF
HENDERSONVILLE...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO JONES GAP
  STATE PARK...NORTH SALUDA RESERVOIR...TUXEDO...MOUNTAIN HOME...
  MILLS RIVER...LITTLE RIVER...HENDERSONVILLE...FLAT ROCK...ETOWAH...
  EAST FLAT ROCK...CEDAR MOUNTAIN AND CAESARS HEAD.

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 3525 8235 3524 8236 3523 8235 3519 8236
      3519 8232 3520 8229 3518 8227 3504 8260
      3505 8260 3507 8257 3507 8261 3535 8274
      3544 8255

07

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:22 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood, Laurens, Oconee and 1 more83 min
Jul 16, 9:44 PM EDTSevere Thunderstorm WarningGSPAbbeville18 min
Jul 17, 12:18 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens57 min
Jul 17, 12:28 PM EDTSevere Thunderstorm WarningGSPOconee62 min
Jul 17, 4:07 PM EDTSpecial Weather StatementGSPChester38 min
Jul 17, 5:15 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg, Union20 min
Jul 17, 5:54 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson22 min
Jul 17, 6:44 PM EDTSpecial Weather StatementGSPSpartanburg31 min
Jul 17, 7:15 PM EDTSpecial Weather StatementGSPSpartanburg30 min
Jul 17, 7:19 PM EDTSevere Thunderstorm WarningGSPSpartanburg34 min
Jul 17, 7:37 PM EDTSpecial Weather StatementGSPAnderson38 min
Jul 17, 11:19 AM EDTAreal Flood AdvisoryGSPBuncombe, Haywood, Madison2 hr
Jul 17, 11:41 AM EDTSpecial Weather StatementGSPJackson49 min
Jul 17, 2:16 PM EDTSpecial Weather StatementGSPHenderson44 min
Jul 17, 2:26 PM EDTSpecial Weather StatementGSPHaywood49 min
Jul 17, 3:07 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood, Henderson, Transylvania29 min
Jul 17, 3:35 PM EDTSpecial Weather StatementGSPYancey25 min
Jul 17, 3:46 PM EDTSpecial Weather StatementGSPUnion29 min
Jul 17, 3:59 PM EDTSpecial Weather StatementGSPYancey31 min
Jul 17, 4:17 PM EDTSpecial Weather StatementGSPUnion28 min
Jul 17, 4:23 PM EDTSpecial Weather StatementGSPUnion37 min
Jul 17, 4:36 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union54 min
Jul 17, 4:39 PM EDTSevere Thunderstorm WarningGSPGraham, Swain39 min
Jul 17, 4:58 PM EDTSpecial Weather StatementGSPUnion32 min
Jul 17, 5:47 PM EDTSpecial Weather StatementGSPMecklenburg28 min

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.