Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 79, NWS Greenville-Spartanburg, SC

June 18, 2015Greenville County, Oconee County, Pickens County, South Carolina; Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 18, 2015, 3:23 PM EDT for Greenville County, Oconee County, Pickens County, South Carolina; Transylvania County, North Carolina. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 18, 2015, 3:23 PM EDT (19:23 UTC)
Expired
Jun 18, 2015, 4:15 PM EDT
In force
52 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Transylvania County, NC, Greenville County, SC, Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 68 km from the middle of the area, began a volume at 19:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.4 hours before the alert went out and 240 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, Peachtre/Fal Fld, GA at 12:00Z on 2015-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1028 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, Peachtre/Fal Fld, GA at 12:00Z on 2015-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
1028 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
54 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.

356 
WUUS52 KGSP 181923
SVRGSP
NCC175-SCC045-073-077-182015-
/O.NEW.KGSP.SV.W.0079.150618T1923Z-150618T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
323 PM EDT THU JUN 18 2015

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA...
  NORTH CENTRAL OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHWESTERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHWESTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 415 PM EDT

* AT 322 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 15 MILES
  SOUTHWEST OF BREVARD...OR OVER GORGES STATE PARK...AND MOVING EAST
  AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROSMAN...LAKE TOXAWAY...TABLE ROCK STATE PARK...LAKE JOCASSEE...
  CAESARS HEAD STATE PARK...GORGES STATE PARK...PUMPKINTOWN...CEDAR
  MOUNTAIN...ROCKY BOTTOM AND CONNESTEE.

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.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3502 8303 3503 8301 3504 8302 3511 8301
      3513 8298 3515 8298 3516 8300 3517 8299
      3517 8298 3518 8299 3517 8259 3515 8258
      3490 8263 3500 8303
TIME...MOT...LOC 1922Z 279DEG 14KT 3508 8293 

$$

RWH
1 follow-up statement
688 
WWUS52 KGSP 181937
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
337 PM EDT THU JUN 18 2015

NCC175-SCC045-073-077-182015-
/O.CON.KGSP.SV.W.0079.000000T0000Z-150618T2015Z/
TRANSYLVANIA NC-OCONEE SC-PICKENS SC-GREENVILLE SC-
337 PM EDT THU JUN 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHERN TRANSYLVANIA...NORTH CENTRAL OCONEE...NORTHWESTERN
PICKENS AND NORTHWESTERN GREENVILLE COUNTIES...

AT 336 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13 MILES SOUTHWEST
OF BREVARD...OR NEAR GORGES STATE PARK...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
ROSMAN...LAKE TOXAWAY...TABLE ROCK STATE PARK...LAKE JOCASSEE...
CAESARS HEAD STATE PARK...GORGES STATE PARK...PUMPKINTOWN...CEDAR
MOUNTAIN...ROCKY BOTTOM AND CONNESTEE.

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.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3502 8303 3503 8301 3504 8302 3511 8301
      3513 8298 3515 8298 3516 8300 3517 8299
      3517 8298 3518 8299 3517 8259 3515 8258
      3490 8263 3500 8303
TIME...MOT...LOC 1936Z 274DEG 12KT 3509 8289 

$$

RWH

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 2:47 PM EDT, 36 minutes earlier.

Area forecast discussion, Jun 18, 2:47 PM EDT, 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
247 PM EDT THU JUN 18 2015

.SYNOPSIS...
AN AREA OF DEEP HIGH PRESSURE WILL CONTINUE TO GRADUALLY
WEAKEN...ALLOWING FOR SLIGHTLY COOLER TEMPERATURES AND A TYPICAL
SUMMERTIME PATTERN OF AFTERNOON SHOWERS AND THUNDERSTORMS FOR THE
REMAINDER OF THE WEEK. YET ANOTHER STRONG AND HOT UPPER RIDGE WILL
BEGIN BUILDING OVER THE AREA EARLY NEXT WEEK...BUT A COLD FRONT
ARRIVING TUESDAY OR WEDNESDAY MAY PROVIDE SOME RELIEF.

&&

.NEAR TERM /THROUGH FRIDAY/...
AS OF 245 PM EDT THURSDAY...UPPER ANTICYCLONE WILL CONTINUE TO
PREVAIL THROUGH THE PERIOD...ALTHOUGH SLOWLY FLATTENING OUT ON
FRIDAY.  CURRENTLY...SCATTERED CONVECTION CONTINUES TO DEVELOP
AMONGST A RATHER UNSTABLE AIRMASS.  LATEST SPC MESOANALYSIS
CONTINUES INDICATE UPWARDS OF 2500J/KG SPC CAPE ALONG WITH NEARLY
1500J/KG DCAPE.  THIS SETUP IS HIGHLY SUPPORTIVE OF MICROBURSTS
WITHIN THE TALLEST OF PULSE UPDRAFTS.  ADDITIONALLY...ABUNDANT CAPE
IN THE HAIL GROWTH ZONE IS SUPPORTIVE OF SVR HAIL DESPITE FZ LEVELS
IN EXCESS OF 14KFT.  THUS...THE FCST FEATURES SCATTERED CONVECTION
THROUGH THE EVENING BEFORE POPS TAPER WITH HEATING LOSS AFTER SUNSET.

THE CENTER OF THE UPPER HIGH WILL SLIDE EAST THROUGH THE OVERNIGHT
AND EFFECTIVELY ALLOW FOR GRADUAL HEIGHT FALLS INTO FRIDAY.  AS
SUCH...TEMPERATURES ARE FCST TO BE A FEW DEGREES COOLER THAN DAYS
PAST WHICH WILL LEAD TO LESS INSTABILITY AVAILABLE FOR CONVECTION.
THAT SAID...WEAKER INHIBITION THANKS TO THE MIGRATION OF THE RIDGE
WILL OFFSET SUCH...ALLOWING FOR CONVECTION TO DEVELOP ONCE AGAIN ON
FRIDAY.  EXPECTING INITIATION TO OCCUR FIRST OVER THE NC MTNS AND
NORTHEAST GA...THEN MIGRATE EAST OVER THE NC/SC PIEDMONT REGIONS
WITH THE HIGHEST PROBS ALONG AND NORTH OF THE I40 CORRIDOR DUE TO
FALLEN UPPER HEIGHTS.  SINCE HIGH TEMPERATURES ARE FCST TO BE A TAD
COOLER...DO NOT FORESEE ANY BORDERLINE HEAT INDICES ON FRIDAY ALBEIT
STILL RATHER WARM AND HUMID WITH HIGHS TOPPING OUT IN THE MID 90S
OVER THE LOWER TERRAIN WITH 80S OVER THE MTNS.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 115 PM THURSDAY...AS MENTIONED YESTERDAY...ANY TIME A REMNANT
CIRCULATION OF A TROPICAL LOW ENTERS THE PICTURE...UNCERTAINTY GOES
UP...AND THAT WILL BE THE CASE THROUGH THE SHORT RANGE. WE BEGIN
FRIDAY EVENING WITH ONGOING CONVECTION THAT WILL HAVE A PULSE SEVERE
TYPE THREAT...THAT SHOULD WANE WITH THE LOSS OF HEATING THROUGH LATE
EVENING. OUR ATTENTION THEN TURNS TO THE REMNANTS OF BILL...WHICH
COME OUT ACROSS THE MID MS VALLEY FRIDAY NITE AND OVER THE OH/TN
VALLEY ON SATURDAY. AS THE REMNANT LOW OPENS AND MOVES UP THE OH
VALLEY...THE MODELS STILL SUGGEST THAT SATURDAY WILL BE A BIT LESS
CONVECTIVELY ACTIVE WITH THE FLOW ALOFT COMING AROUND MORE SW...AND
SLIGHTLY LESS BUOYANCY. THE FCST DOES NOT REALLY REFLECT THIS
POSSIBILITY TO ANY GREAT DEGREE APART FROM A LOWER POP OVER THE
LAKELANDS. FCST SOUNDINGS AGAIN INDICATE THE INGREDIENTS FOR PULSE
SEVERE TYPE STORMS WITH WET MICROBURSTS. HIGH TEMPS SHOULD BE A FEW
DEGREES BELOW FRIDAY BECAUSE OF LOWER HEIGHTS AND MORE CLOUD
COVER...STILL PLENTY WARM...BUT WITH NO HEAT INDEX PROBLEMS
ANTICIPATED. WHICH BRINGS US TO SATURDAY NIGHT. THE MODEL GUIDANCE
SHOWS A MORE SOUTHWARD TREND WITH THE REMNANTS OF BILL ON SATURDAY
NIGHT...WITH THE NAM ACTUALLY HOLDING ONTO A SFC LOW THAT MOVES S OF
THE OH RIVER. THE NAM AND GFS BOTH BRING A SHORT WAVE TROF ACROSS
THE REGION SATURDAY NIGHT. IF THIS WERE TO COME TO PASS...THEN SOME
WEAKLY ORGANIZED CONVECTION COULD MOVE ACROSS THE TN VALLEY THRU THE
EARLY EVENING AND MOVE INTO THE NC MTNS AFTER 00Z SUNDAY. HARD TO
SAY IF THERE WOULD BE ANY SIGNIFICANT SEVERE WEATHER THREAT WITH
THIS ACTIVITY...DUE TO UNCERTAINTY OVER ORGANIZATION. ALSO HARD TO
SAY IF IT WOULD CROSS THE MTNS OVERNIGHT...BUT THE NAM SUGGESTS NOT
IN ANY GREAT CAPACITY AS THE SFC BASED CAPE WILL BE ALL BUT USED UP
BY THE TIME THE CONVECTION WOULD ARRIVE FROM THE W. NEVERTHELESS...
THE MODELS SUGGEST HOLDING ONTO A GOOD CHANCE OF PRECIP OVER THE NC
MTNS OVERNIGHT...AND BRIEFLY KILLING OFF THE ACTIVITY E OF THE MTNS
BEFORE INCREASING IT A BIT TOWARD DAYBREAK. A BOUNDARY OF SORTS
WOULD CROSS THE FCST AREA EARLY IN THE DAY ON SUNDAY WITH SOME LOW
END PRECIP CHANCES...THEN BY AFTERNOON MOST OF THE FCST AREA WOULD
BE UNDER A FAIRLY DEEP WNW FLOW THAT WOULD BE LESS THAN FAVORABLE
FOR CONVECTION OUTSIDE THE MTNS NEAR THE TN BORDER. TEMPS WOULD
REBOUND A CATEGORY WARMER WITH THE WEAK DOWNSLOPE FLOW E OF THE MTNS
SUNDAY AFTERNOON...AND THE LACK OF CONVECTION.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 130 PM THU...FAST AND NEARLY ZONAL UPPER FLOW WILL BE IN PLACE
AT THE START OF THE MEDIUM RANGE PERIOD. A CLOSED UPPER RIDGE WILL
BE CENTERED OVER THE SOUTHERN PLAINS...GRADUALLY PUSHING EWD THRU
THE EARLY WEEK AND AMPLIFYING THE PATTERN SLIGHTLY. MEAN SOUTHWEST
SFC FLOW WILL CONTINUE INTO THE CWFA AROUND BERMUDA HIGH PRESSURE.
RATHER ORDINARY DIURNAL CONVECTION IS INITIALLY EXPECTED TO DEVELOP
MONDAY AS A RESULT. HOWEVER A WEAK SHORTWAVE WILL SWING ACRS THE
AREA MON AFTN OR NIGHT. WHILE THE BETTER ENERGY WILL BE TO OUR
NORTH...THE GFS DOES DEVELOP SOME QPF RESPONSE PAST THE DIURNAL PEAK
OVER WRN NC. FLOW IN THE WAKE OF THE WAVE WILL BE A BIT MORE
WESTERLY ON TUE...BUT THIS MAY CONTINUE TO ENHANCE DIURNAL
CONVECTION VIA UPSLOPE NEAR THE TENN BORDER. THE AMPLIFYING PATTERN
PUTS OUR AREA MORE UNDER THE INFLUENCE OF SHORTWAVES ROUNDING THE
RIDGE TO OUR WEST TUE NIGHT OR WED...AND A WEAK COLD FRONT SAGS INTO
THE AREA THEREAFTER. A WEAK SFC WAVE MAY DEVELOP NEAR THE COAST AS
IT DOES SO...THANKS TO THE CYCLONIC FLOW ALOFT.

TEMPS WILL REMAIN HOT...WITH 850 AND 1000 MB TEMPS UPWARDS OF 2 STD
DEV ABOVE CLIMO PER NAEFS. WILL CONTINUE TO FORECAST MAX TEMPS IN
THE UPPER 90S EACH AFTN. THE FRONT MAY BRING A BRIEF PERIOD OF
COOLER TEMPS BEFORE THE FRONT WASHES OUT AND/OR THE AIRMASS
MODIFIES...BUT CONFIDENCE IS LOW ON WHICH DAY THIS MAY OCCUR. BY
COOLER...WE ARE STILL TALKING SEVERAL DEGREES ABOVE CLIMO.

&&

.AVIATION /19Z THURSDAY THROUGH TUESDAY/...
AT KCLT...VFR WILL PREVAIL THROUGH THE PERIOD WITH THE EXCEPTION OF
POSSIBLE PULSE CONVECTION THIS AFTERNOON YIELDING MVFR CONDITIONS.
INITIALIZED TAF WITH LOW VFR CU AND LIGHT SW FLOW.  EARLIER TEMPO
WAS CARRIED OVER TO ACCOUNT FOR MVFR CONVECTIVE RESTRICTIONS WITH
VRB GUSTS.  MUCH LIKE YESTERDAY...SOUNDINGS ARE FAVORABLE FOR
MICROBURST POTENTIAL THUS THIS WOULD BE THE PRIMARY THREAT TO THE
AIRFIELD IF ANY STRONGER/DEEPER CELLS MOVE NEARBY.
OTHERWISE...WINDS WILL CALM UNDER A SCT/BKN HIGH LEVEL DECK THROUGH
THE OVERNIGHT BEFORE LIGHT SW WINDS AND SCT LOW VFR CU PREVAILS BY
LATE MORNING FRIDAY.

ELSEWHERE...MUCH THE SAME AS KCLT ABOVE WITH VFR PREVAILING THROUGH
THE AFTERNOON/EVENING WITH THE EXCEPTION OF POSSIBLE MVFR TSRA
RESTRICTIONS.  THUS...WHERE PROBS ARE GREATEST ACROSS THE NC
SITES...TEMPO GROUPS WHERE INCLUDED...WITH VCTS BEING THE PRIMARY
WEATHER MENTION AT THE SC SITES.  AS MENTIONED ABOVE...MICROBURST
POTENTIAL IS ELEVATED THUS THIS WOULD BE THE PRIMARY SVR WEATHER
CONCERN.  CONDITIONS WILL IMPROVE AFTER SUNSET WITH ALL SITES BEING
DRY AFTER 02-03Z UNDER BKN/SCT HIGH LEVEL CLOUDS.  GOING WITH
PERSISTENCE...OPTED TO CONTINUE PREVIOUS TAF MENTION OF MVFR/IFR FOG
AND PERHAPS CIGS AT KAVL AS THE MTN VALLEYS HAVE BEEN PRONE TO SUCH
OVER MORNINGS PAST.  BEYOND THAT...EXPECTING LIGHT NW FLOW AT KAVL
WHILE FLOW REMAINS BACKED SW AT ALL OTHER SITES THROUGH THE LATE
MORNING HOURS WITH LOW VFR CU DEVELOPING.

OUTLOOK...NEAR NORMAL COVERAGE OF AFTN CONVECTION IS EXPECTED INTO
THE WEEKEND WITH SCT COVERAGE OVER THE MTNS AND ISOLATED OVER THE
PIEDMONT. MORNING RESTRICTIONS DUE TO FOG AND/OR STRATUS ARE
POSSIBLE...PARTICULARLY WHERE HEAVY RAIN FELL THE PREVIOUS DAY...AND
IN MTN VALLEYS.

CONFIDENCE TABLE...

            18-24Z        00-06Z        06-12Z        12-18Z
KCLT       HIGH 100%     HIGH 100%     HIGH  94%     HIGH 100%
KGSP       HIGH 100%     HIGH 100%     HIGH  83%     HIGH 100%
KAVL       HIGH 100%     HIGH  94%     HIGH  82%     HIGH  83%
KHKY       HIGH 100%     HIGH 100%     HIGH  88%     HIGH 100%
KGMU       HIGH 100%     HIGH 100%     HIGH  97%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH  83%     HIGH  94%

THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE HOURLY
EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE FORECASTS
ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)

WWW.WEATHER.GOV/GSP/AVIATION_TABLES

&&

.CLIMATE...
RECORD MAXIMUM TEMPERATURES FOR THURSDAY JUNE 18TH...

 GSP  101 1887
 CLT   99 1944
 AVL   94 1944

RECORD MAXIMUM TEMPERATURES FOR FRIDAY JUNE 19TH...

 GSP  103 1887
 CLT  102 1944
 AVL   92 1931/1933

&&

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

&&

SYNOPSIS...WIMBERLEY
NEAR TERM...CDG
SHORT TERM...PM
LONG TERM...WIMBERLEY
AVIATION...CDG
CLIMATE...
Hazardous weather outlook, Jun 18, 5:44 AM EDT, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
544 AM EDT THU JUN 18 2015

GAZ010-017-NCZ033-035-048>053-056-058-059-062>065-501>507-509-
SCZ001>003-190945-
RABUN-HABERSHAM-AVERY-ALEXANDER-MADISON-YANCEY-MITCHELL-SWAIN-
HAYWOOD-BUNCOMBE-CATAWBA-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
544 AM EDT THU JUN 18 2015

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON
OVER THE MOUNTAINS OF THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA...AND THE NORTHERN FOOTHILLS OF NORTH CAROLINA. WHILE THE
PRIMARY THREATS WILL BE FROM FREQUENT CLOUD TO GROUND LIGHTNING
AND LOCALLY HEAVY RAINFALL...A FEW STORMS WILL BECOME BRIEFLY
SEVERE...PRODUCING LOCALIZED DAMAGING WINDS AND POSSIBLY LARGE
HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ018-026-028-029-NCZ036-037-057-068>072-082-508-510-SCZ004>014-019-
190945-
STEPHENS-FRANKLIN-HART-ELBERT-IREDELL-DAVIE-ROWAN-CLEVELAND-LINCOLN-
GASTON-MECKLENBURG-CABARRUS-UNION-GREATER RUTHERFORD-EASTERN POLK-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
544 AM EDT THU JUN 18 2015

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

.DAY ONE...TODAY AND TONIGHT.

TEMPERATURES IN THE MID TO UPPER 90S AND MODERATE LEVELS OF
HUMIDITY WILL AGAIN RESULT IN HEAT INDEX VALUES OF 99 TO 104 THIS
AFTERNOON ACROSS MUCH OF NORTHEAST GEORGIA...UPSTATE SOUTH
CAROLINA...AND THE NORTH CAROLINA PIEDMONT. STAY IN AN AIR-
CONDITIONED AREA AND OUT OF THE SUN AS MUCH AS POSSIBLE. IF YOU DO
GO OUTSIDE...DRINK PLENTY OF FLUIDS...AND WEAR LIGHT COLORED AND
LOOSE FITTING CLOTHING.

IN ADDITION...ISOLATED TO WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON. WHILE THE
PRIMARY THREATS WILL BE FROM FREQUENT CLOUD TO GROUND LIGHTNING
AND LOCALLY HEAVY RAINFALL...A COUPLE OF STORMS COULD BECOME
BRIEFLY SEVERE...PRODUCING LOCALIZED DAMAGING WINDS AND POSSIBLY
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

LANE

In the hours before

Special weather statement, Jun 18, 1:45 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 PM EDT THU JUN 18 2015

NCZ053-181815-
BUNCOMBE NC-
145 PM EDT THU JUN 18 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN
BUNCOMBE COUNTY UNTIL 215 PM EDT...

AT 145 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6
MILES NORTHWEST OF WEST ASHEVILLE...OR NEAR LEICESTER...MOVING EAST
AT 25 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
NORTH ASHEVILLE...WEST ASHEVILLE...DOWNTOWN ASHEVILLE...EAST
ASHEVILLE...WOODFIN...WEAVERVILLE...LEICESTER...ENKA...UNC ASHEVILLE
AND B.R. PARKWAY...NC ARBORETUM TO EAST ASHEVILLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3554 8248 3555 8277 3557 8277 3558 8278
      3559 8278 3560 8280 3562 8281 3562 8283
      3567 8283 3576 8251
TIME...MOT...LOC 1745Z 264DEG 21KT 3563 8268

MOORE
Special weather statement, Jun 18, 2:01 PM EDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
201 PM EDT THU JUN 18 2015

NCZ501-502-181845-
CALDWELL MOUNTAINS NC-GREATER CALDWELL NC-
201 PM EDT THU JUN 18 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CALDWELL COUNTY
UNTIL 245 PM EDT...

AT 201 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES NORTHWEST OF LENOIR...MOVING EAST AT 25 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
LENOIR...CEDAR ROCK...GAMEWELL...HUDSON...CAJAH'S MOUNTAIN...
COLLETTSVILLE...KINGS CREEK...PATTERSON...GLOBE AND UPTON.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3605 8139 3604 8137 3603 8136 3603 8135
      3584 8134 3588 8171 3589 8173 3606 8172
      3606 8140
TIME...MOT...LOC 1801Z 273DEG 21KT 3597 8164

MOORE
Special weather statement, Jun 18, 2:11 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
211 PM EDT THU JUN 18 2015

SCZ003-006-181845-
GREATER GREENVILLE SC-GREENVILLE MOUNTAINS SC-
211 PM EDT THU JUN 18 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN
GREENVILLE COUNTY UNTIL 245 PM EDT...

AT 210 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 14
MILES SOUTHEAST OF BREVARD...OR NEAR JONES GAP STATE PARK...MOVING
EAST AT 25 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
SLATER-MARIETTA...PLEASANT RIDGE STATE PARK...TIGERVILLE...JONES GAP
STATE PARK...CAESARS HEAD STATE PARK...NORTH SALUDA RESERVOIR...
GLASSY MOUNTAIN AND CLEVELAND.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3500 8252 3501 8254 3501 8260 3503 8259
      3504 8260 3506 8260 3507 8257 3506 8264
      3513 8264 3515 8257 3516 8255 3516 8253
      3518 8246 3516 8246 3517 8244 3519 8243
      3519 8238 3518 8237 3519 8231 3496 8234
TIME...MOT...LOC 1810Z 273DEG 21KT 3509 8255

MOORE
Special weather statement, Jun 18, 2:18 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
218 PM EDT THU JUN 18 2015

NCZ053-065-181900-
BUNCOMBE NC-HENDERSON NC-
218 PM EDT THU JUN 18 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHEASTERN
BUNCOMBE AND NORTHERN HENDERSON COUNTIES UNTIL 300 PM EDT...

AT 218 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES SOUTH OF WEST ASHEVILLE...OR NEAR BILTMORE FOREST...MOVING EAST
AT 15 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
WEST ASHEVILLE...EAST ASHEVILLE...DOWNTOWN ASHEVILLE...NORTH
ASHEVILLE...ARDEN...ASHEVILLE AIRPORT...SKYLAND...BLACK MOUNTAIN...
FLETCHER AND SWANNANOA.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3545 8268 3561 8268 3567 8233 3540 8233
TIME...MOT...LOC 1818Z 272DEG 15KT 3551 8257

MOORE
Special weather statement, Jun 18, 2:45 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
245 PM EDT THU JUN 18 2015

NCZ049-050-181915-
YANCEY NC-MITCHELL NC-
245 PM EDT THU JUN 18 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHEASTERN
MITCHELL AND NORTHEASTERN YANCEY COUNTIES UNTIL 315 PM EDT...

AT 245 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6
MILES NORTHEAST OF BURNSVILLE...OR 4 MILES SOUTHWEST OF
BAKERSVILLE...MOVING EAST AT 5 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
SPRUCE PINE...BURNSVILLE...BAKERSVILLE...CELO...MICAVILLE...
BANDANA...GREEN MOUNTAIN AND LITTLE SWITZERLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

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 3605 8206 3601 8204 3601 8205 3595 8204
      3593 8202 3585 8206 3585 8210 3582 8213
      3582 8214 3590 8233 3607 8225
TIME...MOT...LOC 1845Z 290DEG 6KT 3597 8221

RWH
Local storm report, Jun 18, 2:50 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
250 PM EDT THU JUN 18 2015

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

0232 PM     HAIL             2 NNW FLETCHER          35.47N 82.52W
06/18/2015  E1.75 INCH       BUNCOMBE           NC   PUBLIC

            GOLF BALL SIZE HAIL AT BILTMORE PARK IN ARDEN.

0230 PM     HAIL             4 SSE ASHEVILLE         35.51N 82.53W
06/18/2015  E0.50 INCH       BUNCOMBE           NC   PUBLIC

&&

WIMBERLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 2:11 PM EDTSpecial Weather StatementGSPGreenville34 min
Jun 18, 4:14 PM EDTSevere Thunderstorm WarningGSPAnderson34 min
Jun 18, 4:50 PM EDTSpecial Weather StatementGSPAnderson25 min
Jun 18, 5:20 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville25 min
Jun 18, 5:29 PM EDTSevere Thunderstorm WarningGSPGreenwood, Laurens46 min
Jun 18, 5:48 PM EDTSpecial Weather StatementGSPOconee27 min
Jun 18, 6:03 PM EDTSpecial Weather StatementGSPGreenville42 min
Jun 18, 6:08 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville52 min
Jun 18, 6:27 PM EDTSevere Thunderstorm WarningGSPChester48 min
Jun 18, 6:28 PM EDTSpecial Weather StatementGSPOconee32 min
Jun 18, 7:19 PM EDTSevere Thunderstorm WarningGSPYork41 min
Jun 18, 7:21 PM EDTSpecial Weather StatementGSPUnion24 min
Jun 18, 7:24 PM EDTSpecial Weather StatementGSPPickens36 min
Jun 18, 7:32 PM EDTSpecial Weather StatementGSPPickens43 min
Jun 18, 7:37 PM EDTSevere Thunderstorm WarningGSPAnderson38 min
Jun 18, 7:53 PM EDTSpecial Weather StatementGSPUnion37 min
Jun 18, 2:18 AM EDTSpecial Weather StatementGSPRowan42 min
Jun 18, 12:29 PM EDTSpecial Weather StatementGSPCaldwell46 min
Jun 18, 1:12 PM EDTSpecial Weather StatementGSPHaywood33 min
Jun 18, 1:14 PM EDTSpecial Weather StatementGSPCaldwell31 min
Jun 18, 1:45 PM EDTSpecial Weather StatementGSPBuncombe30 min
Jun 18, 2:01 PM EDTSpecial Weather StatementGSPCaldwell44 min
Jun 18, 2:18 PM EDTSpecial Weather StatementGSPBuncombe42 min
Jun 18, 2:22 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson38 min
Jun 18, 2:45 PM EDTSpecial Weather StatementGSPMitchell, Yancey30 min
Jun 18, 3:31 PM EDTSpecial Weather StatementGSPPolk29 min
Jun 18, 3:48 PM EDTSpecial Weather StatementGSPBurke, McDowell27 min
Jun 18, 4:00 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell45 min
Jun 18, 4:16 PM EDTSpecial Weather StatementGSPHaywood29 min
Jun 18, 4:37 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson, Transylvania38 min
Jun 18, 4:53 PM EDTSevere Thunderstorm WarningGSPBurke, Catawba, Cleveland, Lincoln52 min
Jun 18, 5:27 PM EDTSevere Thunderstorm WarningGSPJackson, Transylvania48 min
Jun 18, 7:01 PM EDTSpecial Weather StatementGSPCabarrus, Union29 min
Jun 18, 7:09 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan37 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2015Severe Thunderstorm Warnings in North Carolina, 2015Every severe thunderstorm warning in 2015

Sources

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