Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 149, NWS Greenville-Spartanburg, SC

July 2, 2015Oconee County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 2, 2015, 1:31 PM EDT for Oconee County, Pickens County, South Carolina. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 2, 2015, 1:31 PM EDT (17:31 UTC)
Expired
Jul 2, 2015, 2:15 PM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 62 km from the middle of the area, began a volume at 17:32 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.5 hours before the alert went out and 219 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 2015-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 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 2015-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
152 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 2, 10:31 AM EDT, 3 hours earlier.

Area forecast discussion, Jul 2, 10:31 AM EDT, 3 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1031 AM EDT THU JUL 2 2015

.SYNOPSIS...
A BROAD UPPER LEVEL TROUGH WILL REMAIN OVER THE SOUTHEAST THROUGH
THE WEEKEND...STEERING A SERIES OF WEAK LOW PRESSURE SYSTEMS OVER
THE REGION. THESE SYSTEMS WILL INCREASE RAIN AND THUNDERSTORM
CHANCES EACH AFTERNOON AND EVENING. HIGH TEMPERATURES WILL BE NEAR
NORMAL THROUGH NEXT WEEK...WITH LOWS JUST ABOVE NORMAL.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 1030 AM EDT...LIGHT TO MODERATE SHOWERS CONTINUE TO ROUND THE
TROUGH AXIS TO THE WEST AND CROSS THE WESTERN HALF OF THE FORECAST
AREA THIS MORNING. ADDITIONAL...STRONGER SHOWERS AND TSTMS HAVE
DEVELOPED FROM TYS TO N OF CHA ON THE STRENGTH OF A MORNING MCS
OUTFLOW AND ALSO WITH APPROACHING UPPER SHORTWAVE SUPORT IN THE
BROADER SCALE TROUGH AXIS STRETCHED FROM THE OH VALLEY TO THE DEEP
SOUTH. STEERING FLOW WILL CARRY THIS ACTIVITY INTO THE WRN NC
MTNS...WITH THE HEAVIEST RATES LIKELY IN THE SW MOUNTAINS NEAR THE
SMOKIES. HYDRO CONCERNS WILL THUS STEADILY INCREASE...BUT THIS MAY
JUST PRIMING THE PUMP FOR ANY ADDITIONAL HEAVY RAINFALL THROUGH
FRIDAY. WILL AWAIT THE FULL SUITE OF 12Z MODEL DATA BEFORE DECIDING
ON ANY FLOOD WATCHES SINCE THE RATES HAVE BEEN FAIRLY TAME THUS FAR.

OTHERWISE...A SURFACE FRONT IS EXPECTED TO REMAIN STALLED JUST TO
OUR NORTH WITH LOW PRESSURE SLIDING EASTWARD ALONG THE BOUNDARY.
CLOUD COVER WILL LIMIT HEATING AND INSTABILITY...AND WITH LIMITED
SHEAR AND LITTLE DRY AIR ALOFT FOR EVAPORATIVE COOLING...CONVECTION
IS EXPECTED TO SOMEWHAT TAME. RAINFALL COULD BE SOMEWHAT ROBUST AS
MENTIONED PREVIOUSLY...BUT STEERING FLOW SHOULD KEEP CELLS
MOVING...AND LOW LEVEL FLOW PARALLEL TO THE BLUE RIDGE WILL LIMIT
ANY UPSLOPE ANCHORING. HIGH TEMPERATURES WILL RUN ONE TO TWO
CATEGORIES BELOW NORMAL UNDER CLOUDS...BUT MINIMUM TEMPERATURES
CLOSER TO CLIMO DUE TO MOISTURE.

&&

.SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/...
OF 240 AM THURSDAY...THE SHORT TERM FCST PICKS UP AT 12Z ON
FRIDAY WITH THE UPPER TROF FLATTENING OUT WHILE NUMEROUS LOBES OF
SHORTWAVE ENERGY STREAM ACROSS THE FCST AREA FROM THE WEST.

ON FRIDAY...DEEP LYR MOISTURE WILL BE IN PLACE OVER THE REGION FRI
MORNING AS A COMPLEX SFC LOW DEVELOPS JUST TO THE NORTH. AS THE LOW
SLOWLY MOVES TOWARDS THE COAST...ANOTHER LEE TROF WILL SET UP OVER
THE CAROLINAS LATE FRI AND LINGER WELL INTO SAT. POPS STEADILY RAMP
UP THRU THE DAY/EVENING WITH HIGH END CHANCE TO LIKELY VALUES
CARRIED OVER THE ENTIRE CWFA BY THE AFTERNOON. QPF AMOUNTS HAVE BEEN
LOWERED A BIT SINCE YESTERDAYS FCST...HOWEVER A SOLID INCH OR SO IS
POSSIBLE OVER SOME OF THE UPSLOPE AREAS AND HIGHER TERRAIN. SPC
KEEPS OUR CWFA IN THE MARGINAL RISK AREA WITH THE BIGGEST THREAT
BEING SVR STRAIGHT LINE WINDS. AS WE MOVE INTO SAT...THE SFC
LOW BEGINS TO MOVE OFF THE COAST AND ANOTHER LEE TROF DEVELOPS IN
ITS WAKE KEEPING WINDS OUT OF THE SW AND TIGHTENING THE PRESSURE
GRADIENT. PW VALUES WILL REMAIN HIGH THRU SAT...SO FLASH FLOODING
CONTINUES TO BE A CONCERN GOING FORWARD. TEMPS START OUT ABOUT 2 TO
4 DEGREES BELOW CLIMO ON FRI AND WARM A FEW DEGREES OVER THE NEXT
FEW DAYS ENDING RIGHT AROUND NORMAL FOR EARLY JULY.

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
OF 240 AM THURSDAY...THE MEDIUM RANGE FCST PICKS UP AT 12Z ON
SUNDAY WITH HEIGHTS RISING AS BROAD UPPER RIDGING DEVELOPS OVER MUCH
OF THE SOUTHERN CONUS. THE MODELS GENERATE NUMEROUS WEAK UPPER
SHORTWAVES THRU THE PERIOD WITH WEAK UPPER WINDS PREVAILING THRU DAY
7. NO SIGNIFICANT PATTERN CHANGES ARE EXPECTED THRU THE MEDIUM RANGE
WITH RIDGING REMAINING IN PLACE WELL BEYOND DAY 7. AT THE SFC...THE
REGION WILL REMAIN UNSETTLED THRU MOST OF THE PERIOD WITH PREVAILING
SOUTH TO SWLY LOW LVL FLOW. THE CWFA IS EXPECTED TO REMAIN UNDER
WEAK LEE TROFFING ON SUN AND MON AS A SERIES OF SHORT LIVED MESO
LOWS ATTEMPT TO SPIN UP OVER THE CAROLINAS. THE LONG RANGE GUIDANCE
SUGGESTS THAT A MORE SUBSTANTIAL FRONT WILL APPROACH THE FCST AREA
FROM THE WEST ON WED AND THURS...HOWEVER THE STRENGTH AND TIMING OF
THE SYSTEM IS UNCLEAR. THE MODELS AGREE THAT DEEPER LYR MOISTURE WILL
PERSIST OVER THE REGION THRU MOST OF THE PERIOD WITH THE HIGHEST PW
VALUES GENERALLY OVER THE NORTHERN ZONES EARLY IN THE PERIOD AND
THEN SHIFTING SOUTHWARD ON MON AND TUES. AS FOR THE SENSIBLE
FCST...I KEPT DIURNAL HIGH END CHANCES FOR CONVECTION EACH
DAY/EVENING WITH SOME LIKELY POPS OVER THE NC/TENN BORDER REGION FOR
SUN. TEMPS START OUT AROUND CLIMATOLOGY ON SUN AND WARM SLIGHTLY
OVER THE NEXT FEW DAYS WITH HIGHS TOPPING OUT JUST ABOVE CLIMO BY
EARLY NEXT WEEK.

&&

.AVIATION /15Z THURSDAY THROUGH MONDAY/...
AT KCLT...ANY LOWER STRATUS UNDER THE ALTOCUMULUS DECK HAS MANAGED
TO STAY WELL SW OF KCLT THIS MORNING...AND BREAKS GOING FORWARD
SHOULD PERMIT HEATING AND A VFR CUMULUS FIELD UNDER LINGERNIG
MID/HIGH CLOUDS. THE HRRR CONTINUES TO ADVERTISE SHRA/TSRA MAKING A
RUN EASTWARD FROM THE BLUE RIDGE MID AFTN SO WILL STAY ON COURSE
WITH TEMPO TSRA STARTING 19Z. WINDS WILL FAVOR THE SW...WITH DAYTIME
GUSTS DUE TO MIXING. GUIDANCE BRINGS MVFR CIGS TOWARD KCLT AT
DAYBREAK FRIDAY...BUT FOR NOW CONFIDENCE IS LOW ENOUGH TO KEEP A LOW
VFR CIG AT THE FIELD.

ELSEWHERE...A BAND OF IFR TO LOWER MVFR STRATUS DEVELOPED UNDER THE
ALTOCUMULUS DECK THIS MORNING...BUT BREAKS ALOFT ARE ALLOWING SOME
HEATING AND SCATTERING. OTHERWISE...SHOWERS WILL AFFECT MAINLY KAVL
TO NEAR KGSP TO KHKY THROUGH EARLY AFTN...BUT WITH THE HRRR SHOWING
BETTER CONVECTION SWEEPING EAST OFF THE MTNS THIS AFTN. WILL
CONTINUE TO HOLD ONTO PROB OR VCTS EAST OF THE MTNS...WITH TEMPO
TSRA AT KAVL AFTER 17Z. LIMITED INSTABILITY WILL MEAN LOW CHANCES
FOR SEVERE WEATHER...BUT A MOIST ATMOSPHERE COULD SUPPORT MODERATE
RAINFALL AT TIMES. WINDS WILL FAVOR THE SW WITH DAYTIME
GUSTS...EXCEPT AT KAVL WHERE WINDS WILL CHANNEL UP THE VALLEY FROM
THE NW. PREFERRED GUIDANCE KEEPS VSBY VFR FRIDAY MORNING...BUT MOVES
MVFR CIGS IN WELL BEOFRE DAWN.

OUTLOOK...A GRADUALLY WEAKENING UPPER TROUGH WILL SUPPORT MAINLY
AFTERNOON AND EVENING THUNDERSTORMS THROUGH EARLY NEXT WEEK.
RESTRICTIONS MAY OCCUR WITH PASSING STORMS...AND EACH MORNING OVER
RAIN SOAKED AREAS.

CONFIDENCE TABLE...

            14-20Z        20-02Z        02-08Z        08-12Z
KCLT       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  93%
KGSP       HIGH 100%     HIGH 100%     HIGH 100%     MED   74%
KAVL       HIGH  98%     HIGH 100%     HIGH  96%     MED   69%
KHKY       HIGH 100%     HIGH 100%     HIGH 100%     MED   65%
KGMU       HIGH  98%     HIGH 100%     HIGH 100%     MED   76%
KAND       HIGH 100%     HIGH 100%     MED   78%     MED   76%

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

&&

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

&&

SYNOPSIS...JAT
NEAR TERM...HG/JAT
SHORT TERM...JPT
LONG TERM...JPT
AVIATION...HG/JAT
Hazardous weather outlook, Jul 2, 10:39 AM EDT, 2 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1039 AM EDT THU JUL 2 2015

NCZ033-048>053-058-059-062>065-031445-
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
1039 AM EDT THU JUL 2 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MOUNTAINS OF WESTERN
NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

WIDESPREAD SHOWERS AND NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS
THE NORTH CAROLINA MOUNTAINS TODAY THROUGH TONIGHT. HEAVY RAINFALL
WILL BE THE PRIMARY THREAT...AND LOCALIZED FLOODING WILL BE
POSSIBLE...ESPECIALLY IN THE SOUTHWEST MOUNTAINS NEAR THE SMOKIES.
ANY THUNDERSTORMS CAN PRODUCE CLOUD TO GROUND LIGHTNING...AND A
FEW OF THESE STORMS COULD PRODUCE STRONG WIND GUSTS AND SMALL
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.

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-501>510-
SCZ001>014-019-031445-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION-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-CHESTER-GREENWOOD-
1039 AM EDT THU JUL 2 2015

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

.DAY ONE...TODAY AND TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE LIKELY ACROSS THE FORECAST
AREA TODAY INTO TONIGHT...WITH THE BEST CHANCES THIS AFTERNOON AND
EVENING. IN ADDITION TO CLOUD TO GROUND LIGHTNING AND HEAVY
DOWNPOURS...SOME OF THESE STORMS COULD PRODUCE STRONG WIND GUSTS
AND SMALL 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.

GERAPETRITIS

In the hours before

Special weather statement, Jul 2, 7:37 AM EDT, 5 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
737 AM EDT THU JUL 2 2015

NCZ051-052-058-059-062-063-021300-
SOUTHERN JACKSON NC-SWAIN NC-HAYWOOD NC-NORTHERN JACKSON NC-MACON NC-
GRAHAM NC-
737 AM EDT THU JUL 2 2015

...AN AREA OF HEAVY RAIN SHOWERS WILL IMPACT THE SOUTHWEST MOUNTAINS
OF NORTH CAROLINA THROUGH THE MID MORNING HOURS...

AT 731 AM EDT...DOPPLER RADAR WAS TRACKING AN AREA OF HEAVY RAIN
SHOWERS DEVELOPING FROM THE WEST ACROSS THE GREAT SMOKY MOUNTAINS
AREA AND SOUTHWARD INTO MACON AND JACKSON COUNTIES. ADDITIONAL HEAVY
SHOWERS WILL STREAM OVER THIS AREA FROM THE WEST THROUGH MID MORNING
AND PRODUCE LOCAL ONE HALF INCH PER HOUR RAINFALL RATES. SOME
LOCATIONS MAY SEE 1 TO 2 INCHES OF RAIN THROUGH 10 AM...ESPECIALLY
ACROSS GRAHAM AND SWAIN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES
AND UNDERPASSES. WATER LEVELS OF SMALL STREAMS AND RIVERS WILL
STEADILY RISE. DO NOT DRIVE THROUGH ANY FLOODED ROADWAYS...TURN
AROUND AND FIND ANOTHER ROUTE.

&&

LAT...LON 3541 8402 3552 8388 3556 8377 3556 8350
      3574 8314 3575 8315 3578 8301 3579 8297
      3556 8278 3505 8306 3503 8301 3500 8311
      3500 8352 3515 8365 3515 8373 3523 8369
      3526 8371 3522 8396 3524 8400 3529 8403
TIME...MOT...LOC 1136Z 240DEG 49KT 3549 8375

HG
Special weather statement, Jul 2, 8:54 AM EDT, 4 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
854 AM EDT THU JUL 2 2015

NCZ051-052-058-059-062-063-021415-
SOUTHERN JACKSON NC-SWAIN NC-HAYWOOD NC-NORTHERN JACKSON NC-MACON NC-
GRAHAM NC-
854 AM EDT THU JUL 2 2015

...SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL ACROSS THE
SOUTHWEST MOUNTAINS OF NORTH CAROLINA THROUGH THE LATE MORNING
HOURS...

AT 848 AM EDT...DOPPLER RADAR WAS TRACKING AN AREA OF SHOWERS MOVING
EAST ACROSS THE SMOKIES AND SURROUNDING AREAS INCLUDING
GRAHAM...SWAIN...HAYWOOD...JACKSON...AND MACON COUNTIES. ADDITIONAL
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP FROM THE WEST
THROUGH THE LATE MORNING HOURS. RAIN GAGES HAVE REPORTED LOCAL ONE
HALF INCH RAINFALL TOTALS THUS FAR THIS MORNING. ADDITIONAL RAINFALL
RATES OF ONE HALF INCH PER HOUR...AND UP TO ONE INCH PER HOUR IN ANY
THUNDERSTORMS...ARE EXPECTED THROUGH LATE MORNING. SOME LOCATIONS
COULD SEE RAINFALL TOTALS OF AS MUCH OF 2 INCHES BY NOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS HEAVY RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS ANY
FLOODED ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS WILL
CONTINUE TO RISE STEADILY.

&&

LAT...LON 3541 8402 3552 8388 3556 8377 3556 8350
      3579 8308 3579 8296 3562 8285 3562 8281
      3541 8275 3532 8283 3529 8292 3504 8303
      3503 8301 3500 8311 3500 8352 3515 8365
      3515 8374 3526 8371 3522 8396 3531 8404
TIME...MOT...LOC 1248Z 240DEG 49KT 3548 8359

HG
Special weather statement, Jul 2, 10:14 AM EDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1014 AM EDT THU JUL 2 2015

NCZ051-052-058-059-062-063-021600-
SOUTHERN JACKSON NC-SWAIN NC-HAYWOOD NC-NORTHERN JACKSON NC-MACON NC-
GRAHAM NC-
1014 AM EDT THU JUL 2 2015

...SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL ACROSS THE
SOUTHWEST MOUNTAINS OF NORTH CAROLINA THROUGH AT LEAST NOON...

AT 1010 AM EDT...DOPPLER RADAR INDICATED NUMEROUS SHOWERS MOVING
EAST ACROSS THE NORTH CAROLINA MOUNTAINS THIS MORNING. HEAVIER
SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG A LINE FROM NEAR
KNOXVILLE TO NORTH OF CHATTANOOGA IN EASTERN TENNESSEE. THESE
THUNDERSTORMS AND HEAVY RAIN SHOWERS WILL TRACK EASTWARD INTO THE
GREAT SMOKY MOUNTAINS AND SURROUNDING AREAS OF THE SOUTHWESTERN
NORTH CAROLINA MOUNTAINS INTO THE EARLY AFTERNOON HOURS.

RAIN GAGES HAVE REPORTED LOCAL ONE HALF TO ONE INCH RAINFALL TOTALS
IN PARTS OF THE SOUTHWEST MOUNTAINS THUS FAR THIS MORNING.
ADDITIONAL RAINFALL RATES AROUND ONE INCH PER HOUR WILL BE POSSIBLE
WITH THE ARRIVAL OF THE HEAVIER SHOWERS THROUGH EARLY AFTERNOON.
SOME LOCATIONS COULD SEE RAINFALL TOTALS OF 2 TO 3 INCHES BY MID
AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS HEAVY RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS ANY
FLOODED ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS WILL
CONTINUE TO RISE STEADILY.

&&

LAT...LON 3541 8402 3552 8388 3556 8377 3556 8350
      3579 8308 3579 8296 3562 8285 3562 8281
      3541 8275 3532 8283 3529 8292 3504 8303
      3503 8301 3500 8311 3500 8352 3515 8365
      3515 8374 3526 8371 3522 8396 3531 8404
TIME...MOT...LOC 1248Z 240DEG 49KT 3548 8359

HG
Special weather statement, Jul 2, 12:23 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1223 PM EDT THU JUL 2 2015

GAZ010-021700-
RABUN GA-
1223 PM EDT THU JUL 2 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF RABUN COUNTY UNTIL
100 PM EDT...

AT 1221 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES EAST OF HIAWASSEE...MOVING SOUTHEAST AT 35 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOUNTAIN CITY...TIGER...DILLARD...MOCCASIN CREEK STATE
PARK...BLACK ROCK MOUNTAIN STATE PARK...LAKE BURTON...MOCCASIN CREEK
STATE PARK...LAKEMONT AND LAKE RABUN.

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.

LAKE BURTON IS IN THE PATH OF THIS STORM. CLOUD TO GROUND LIGHTNING
AND GUSTY WINDS WILL CREATE DANGEROUS BOATING CONDITIONS. MOVE TO
SHORE IMMEDIATELY.

&&

LAT...LON 3488 8366 3490 8363 3491 8363 3492 8360
      3494 8360 3495 8355 3499 8355 3500 8342
      3493 8322 3473 8338 3473 8342 3475 8343
      3474 8344 3485 8366
TIME...MOT...LOC 1621Z 299DEG 29KT 3497 8368

LANE
Special weather statement, Jul 2, 12:57 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1257 PM EDT THU JUL 2 2015

GAZ010-017-018-SCZ001-021745-
STEPHENS GA-RABUN GA-HABERSHAM GA-OCONEE MOUNTAINS SC-
1257 PM EDT THU JUL 2 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHERN STEPHENS...
NORTHEASTERN HABERSHAM...SOUTH CENTRAL RABUN AND SOUTHWESTERN OCONEE
COUNTIES UNTIL 145 PM EDT...

AT 1256 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES SOUTH OF CLAYTON...OR NEAR TIGER...MOVING SOUTHEAST AT 30 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...TOCCOA...WALHALLA...TIGER...TALLULAH FALLS...TALLULAH GORGE
STATE PARK...LAKEMONT...LAKE RABUN...WESTMINSTER AND TURNERVILLE.

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.

&&

LAT...LON 3475 8355 3491 8336 3474 8302 3453 8324
TIME...MOT...LOC 1656Z 304DEG 27KT 3482 8342

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:37 AM EDTSpecial Weather StatementGSPGraham, Haywood, Jackson, Macon, Swain83 min
Jul 2, 8:54 AM EDTSpecial Weather StatementGSPGraham, Haywood, Jackson, Macon, Swain81 min
Jul 2, 10:14 AM EDTSpecial Weather StatementGSPGraham, Haywood, Jackson, Macon, Swain106 min
Jul 1, 8:15 PM EDTSpecial Weather StatementGSPGreenwood45 min
Jul 1, 8:42 PM EDTSpecial Weather StatementGSPGreenwood33 min
Jul 2, 12:57 PM EDTSpecial Weather StatementGSPOconee48 min
Jul 2, 1:41 PM EDTSpecial Weather StatementGSPSpartanburg34 min
Jul 2, 2:11 PM EDTSpecial Weather StatementGSPAnderson49 min
Jul 2, 2:16 PM EDTSpecial Weather StatementGSPAnderson29 min
Jul 2, 2:26 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood, Laurens49 min
Jul 2, 2:38 PM EDTSpecial Weather StatementGSPGreenwood37 min
Jul 2, 2:55 PM EDTSpecial Weather StatementGSPChester35 min
Jul 2, 3:02 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens43 min
Jul 2, 3:24 PM EDTSpecial Weather StatementGSPUnion36 min
Jul 2, 3:36 PM EDTSevere Thunderstorm WarningGSPLaurens, Union24 min
Jul 2, 3:59 PM EDTSevere Thunderstorm WarningGSPChester, Union32 min
Jul 2, 12:23 PM EDTSpecial Weather StatementGSPRabun37 min
Jul 2, 1:52 PM EDTSpecial Weather StatementGSPElbert, Hart23 min
Jul 2, 2:32 PM EDTSpecial Weather StatementGSPHart43 min

Nearby

Severe Thunderstorm Warnings in South 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.