Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 178, NWS Greenville-Spartanburg, SC

July 18, 2015McDowell County, Polk County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 18, 2015, 2:40 PM EDT for McDowell County, Polk County, Rutherford County, North Carolina. It was in force for 50 min. 2 reports 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 18, 2015, 2:40 PM EDT (18:40 UTC)
Expired
Jul 18, 2015, 3:30 PM EDT
In force
50 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties McDowell County, NC, Polk County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 18:43 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 18, 2:45 PM EDTTSTM WND DMGOld Fort, NCTREE DOWN ON ROAD IN OLD FORT
Jul 18, 3:00 PM EDTTSTM WND DMGThermal City, NCLARGE TREE DOWN. TIME ESTIMATED FROM RADAR.

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 2 storm reports to this severe thunderstorm warning; the first came 5 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, 6.7 hours before the alert went out and 206 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 2015-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 839 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 2015-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
839 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
137 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.

541 
WUUS52 KGSP 181840
SVRGSP
NCC111-149-161-181930-
/O.NEW.KGSP.SV.W.0178.150718T1840Z-150718T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
240 PM EDT SAT JUL 18 2015

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...
  SOUTHWESTERN MCDOWELL COUNTY IN WESTERN NORTH CAROLINA...
  EASTERN POLK COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 330 PM EDT

* AT 240 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED 11 MILES SOUTH OF MARION...OR 9
  MILES NORTHEAST OF LAKE LURE...AND MOVING SOUTHEAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  FOREST CITY...RUTHERFORDTON...SPINDALE...OLD FORT...ELLENBORO...
  BOSTIC...SUGAR HILL...GREEN HILL...UNION MILLS AND SHINGLE HOLLOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. BRIEF LARGE HAIL MAY ALSO OCCUR. 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 3534 8172 3519 8198 3519 8199 3552 8221
      3552 8220 3555 8223 3562 8227 3571 8210
TIME...MOT...LOC 1840Z 324DEG 17KT 3552 8208 

$$

RWH
3 follow-up statements
248 
WWUS52 KGSP 181855
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
255 PM EDT SAT JUL 18 2015

NCC111-149-161-181930-
/O.CON.KGSP.SV.W.0178.000000T0000Z-150718T1930Z/
RUTHERFORD NC-MCDOWELL NC-POLK NC-
255 PM EDT SAT JUL 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL RUTHERFORD...SOUTH CENTRAL MCDOWELL AND EASTERN POLK
COUNTIES...
 
AT 255 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 10 MILES NORTHWEST OF RUTHERFORDTON...OR
8 MILES NORTHEAST OF LAKE LURE...MOVING SOUTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
FOREST CITY...RUTHERFORDTON...SPINDALE...ELLENBORO...BOSTIC...SUGAR
HILL...GREEN HILL...UNION MILLS...SHINGLE HOLLOW AND THERMAL CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. BRIEF LARGE HAIL MAY ALSO OCCUR. 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 3534 8172 3519 8198 3519 8199 3552 8221
      3552 8220 3555 8223 3564 8203
TIME...MOT...LOC 1855Z 324DEG 17KT 3549 8207 

$$

RWH
460 
WWUS52 KGSP 181907
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
307 PM EDT SAT JUL 18 2015

NCC111-181916-
/O.CAN.KGSP.SV.W.0178.000000T0000Z-150718T1930Z/
MCDOWELL NC-
307 PM EDT SAT JUL 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MCDOWELL COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED SOUTH 
OUT OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3552 8197 3553 8192 3534 8172 3519 8198
      3519 8199 3552 8221 3553 8217 3552 8216
      3552 8214 3554 8207 3554 8203 3555 8200
TIME...MOT...LOC 1906Z 331DEG 14KT 3547 8209 

$$

NCC149-161-181930-
/O.CON.KGSP.SV.W.0178.000000T0000Z-150718T1930Z/
RUTHERFORD NC-POLK NC-
307 PM EDT SAT JUL 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL RUTHERFORD AND EASTERN POLK COUNTIES...
 
AT 306 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 10 MILES NORTHWEST OF RUTHERFORDTON...OR
6 MILES EAST OF LAKE LURE...MOVING SOUTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
FOREST CITY...RUTHERFORDTON...SPINDALE...ELLENBORO...BOSTIC...UNION
MILLS...SHINGLE HOLLOW...THERMAL CITY...GREEN HILL AND HARRIS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. BRIEF LARGE HAIL MAY ALSO OCCUR. SEEK SHELTER INSIDE AN
INTERIOR ROOM.

THIS STORM IS ALSO PRODUCING FREQUENT AND INTENSE LIGHTNING. TURN OFF
ELECTRICAL APPLIANCES. DO NOT USE CORDED TELEPHONES. DO NOT TAKE A
BATH OR SHOWER.

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 3552 8197 3553 8192 3534 8172 3519 8198
      3519 8199 3552 8221 3553 8217 3552 8216
      3552 8214 3554 8207 3554 8203 3555 8200
TIME...MOT...LOC 1906Z 331DEG 14KT 3547 8209 

$$

HG
976 
WWUS52 KGSP 181925
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT SAT JUL 18 2015

NCC149-161-181935-
/O.EXP.KGSP.SV.W.0178.000000T0000Z-150718T1930Z/
RUTHERFORD NC-POLK NC-
325 PM EDT SAT JUL 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RUTHERFORD AND EASTERN
POLK COUNTIES WILL EXPIRE AT 330 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER 
BRIEFLY GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3552 8197 3553 8192 3534 8172 3519 8198
      3519 8199 3552 8221 3553 8217 3552 8216
      3552 8214 3554 8207 3554 8203 3555 8200
TIME...MOT...LOC 1922Z 324DEG 17KT 3547 8209 

$$

HG

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 18, 1:11 PM EDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jul 18, 1:11 PM EDT, 1 hour 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
111 PM EDT SAT JUL 18 2015

.SYNOPSIS...
 AREA WILL REMAIN UNDER THE INFLUENCE OF THE BERMUDA HIGH THROUGH
THE WEEKEND...BRINGING INCREASED CHANCES FOR AFTERNOON SHOWERS AND
THUNDERSTORMS AND ABOVE AVERAGE TEMPERATURES. A WEAK FRONTAL SYSTEM
WILL MOVE INTO THE AREA BY THE MIDDLE OF NEXT WEEK...HOWEVER
TEMPERATURES WILL LIKELY REMAIN ABOVE NORMAL FOR MID JULY.

&&

.NEAR TERM /THROUGH TONIGHT/...
1715 UTC UPDATE...POPS AND QPF WERE UPDATED TO ACCOUNT FOR NEW
CONVECTION FIRING ALONG AND AND EAST OF THE NC BLUE RIDGE...AND INTO
NORTHERN SC.

1440 UTC UPDATE...POPS WERE REDUCED PER RADAR TRENDS. WINDS WERE
UPDATED TO INCORPORATE THE LATEST NAM GUIDANCE. SKY COVER WAS
UPDATED FROM VISIBLE SATELLITE IMAGERY. AFTERNOON DEW POINTS WERE
ADJUSTED DOWN SLIGHTLY FOR EXPECTED MIXING...AND FOR A BETTER FIT
WITH NEIGHBORING OFFICES. THIS LEAD TO MAXIMUM HEAT INDEX VALUES
ONLY VERY BRIEFLY REACHING 105 DEGREES AT A FEW SELECT POINTS IN THE
FAR SOUTHEAST PORTION GO THE AREA.

1200 UTC UPDATE...POPS HAVE BEEN ADJUSTED PER RADAR TRENDS TO
ACCOUNT FOR ACTIVITY IN FAR NW NC...AND QPF ADJUSTED ACCORDINGLY.
SKY COVER WAS UPDATED FROM INFRARED SATELLITE IMAGERY.

AS OF 330 AM...A BROAD SUBTROPICAL RIDGE WILL CONTINUE TO INFLUENCE
OUR WEATHER TODAY...WITH THE CWFA ON THE NE PERIPHERY OF THE 500 MB
ANTICYCLONE. A SHORTWAVE ANALYZED OVER THE OHIO VALLEY EARLY THIS
MORNING...IS ACCOMPANIED BY A CLUSTER OF SUB-SEVERE TSTMS OVER ERN
KY. THIS SHORTWAVE WILL APPROACH THE AREA TODAY. THE HIGH RES MODELS
SHOW MOST OF THIS INITIAL CONVECTION TO CROSS JUST NORTH OF THE
CWFA...BUT MAY DROP A SUBTLE OUTFLOW BOUNDARY INTO THE I-40 CORRIDOR
BY MIDDAY. SO THE COMBINATION OF THE SHORTWAVE AND LLVL BOUNDARY MAY
PROVIDE FOR A LITTLE BETTER LIFT FOR CONVECTION THAN LAST COUPLE
DAYS. ACCORDING TO THE 00Z MODEL CONSENSUS...WE SHUD SEE MODERATE
INSTBY IN THE MTNS...WITH A LITTLE MORE LIMITED CAPE ACRS THE
PIEDMONT. IN ANY CASE...EXPECT SCATTERED SHOWERS AND TSTMS ACRS THE
AREA THIS AFTN INTO EARLY EVENING. GIVEN THE BETTER CAPE
EXPECTED...CANNOT RULE OUT AN ISOLD PULSE SEVERE STORM. HIGH TEMPS
WILL BE AT OR A DEG OR TWO WARMER THAN YESTERDAY. DEWPTS ALSO DO NOT
LOOK TO MIX OUT AS MUCH...HOVERING IN THE MID-UPR 60S TODAY. SO HEAT
INDEX VALUES WILL BE IN THE 100-105 RANGE ALONG AND SOUTHEAST OF
I-85...WHICH IS CLOSE TO HEAT ADV CRITERIA.

TONIGHT...CONVECTION SHUD WANE WITH LOSS OF HEATING AND EXITING MID
LVL SHORTWAVE. OTHER THAN SOME PATCHY MTN VLY FOG POSSIBLE...EXPECT
JUST A FEW LINGERING MID AND HIGH CLOUDS. TEMPS WILL BE IN THE 60S
MTNS AND LWR-MID 70S PIEDMONT.

&&

.SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
AS OF 320 AM SATURDAY...VERY LITTLE CHANGE IN THE PATTERN IS
EXPECTED THROUGH EARLY NEXT WEEK...AS THE SUBTROPICAL RIDGE WILL
REMAIN CENTERED OVER THE SOUTHERN PLAINS/LOWER MISS VALLEY...PLACING
THE CAROLINAS AND NORTH GEORGIA IN A WEAK NW FLOW ALOFT...WHILE
SUPPORTING UNSEASONABLY WARM TEMPS (5-10 DEGREES ABOVE CLIMO)
THROUGH THE PERIOD. DEEP CONVECTIVE CHANCES SHOULD REMAIN STRONGLY
TIED TO THE DIURNAL HEATING CYCLE...WITH THE EXTENT OF COVERAGE
EXPECTED TO BE TYPICAL FOR THE TIME OF YEAR. HOWEVER...CHANCES FOR
LATE NIGHT/MORNING CONVECTION WILL EXIST...MAINLY ACROSS NORTHERN
AND WESTERN ZONES...AS DECAYING ORGANIZED CONVECTION PERIODICALLY
APPROACHES THE AREA WITHIN THE NW FLOW REGIME. THE PATTERN WILL
FAVOR WEAK SHEAR...MODERATE-TO-HIGH CAPE...AND LARGE DCAPE DURING
THE AFTERNOON...THUS STRONGER CELLS WILL POSE A MICROBURST THREAT
THROUGH THE PERIOD. PIEDMONT TEMPS WILL REACH THE UPPER 90S SUNDAY
AND MONDAY AFTERNOONS...ALTHOUGH W/NW LOW LEVEL FLOW/DEEP MIXING
SHOULD GENERALLY TEMPER AFTERNOON DEWPOINTS...KEEPING THEM IN THE
60S FOR THE MOST PART. THIS SHOULD PRECLUDE ANY ESPECIALLY HIGH HEAT
INDEX VALUES...BUT VALUES FROM 100-103 APPEAR LIKELY ACROSS SOUTHERN
PIEDMONT LOCATIONS BOTH DAYS.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
AS OF 335 AM SATURDAY...PERIODIC HEIGHTS FALLS TRAVERSING THE
NORTHEAST CONUS MAY SUPPRESS THE SOUTHERN CONUS RIDGE A BIT DURING
THE EARLY PART OF THE MEDIUM RANGE...POSSIBLY ALLOWING A WEAK
FRONTAL BOUNDARY TO DROP INTO THE AREA BY MID-WEEK. THIS WOULD
PROVIDE A SLIGHT ENHANCEMENT TO DAILY CONVECTIVE CHANCES...ALTHOUGH
FORECAST POPS WILL REMAIN NEAR...OR JUST SLIGHTLY ABOVE CLIMO LEVELS
THROUGH THE PERIOD. IT APPEARS THAT RISING HEIGHTS WILL BE ON THE
OFFING ONCE AGAIN BY THE END OF THE WEEK. THE SLIGHTLY LOWER
MID-WEEK HEIGHTS WILL ONLY OFFER THE SMALLEST OF RELIEF FROM THE
HEAT...WITH MAXES EXPECTED TO REMAIN AROUND 5 DEGREES ABOVE CLIMO
DURING MID-WEEK...LIKELY RETURNING TO THE UPPER 90S IN SOME AREAS BY
DAY 7.

&&

.AVIATION /17Z SATURDAY THROUGH WEDNESDAY/...
AT KCLT...VFR CONDITIONS EXPECTED THRU THE PERIOD...EXCEPT POSSIBLE
BRIEF RESTRICTIONS WITH TSRA. IN FACT...TSRA WILL BE THE MAIN
CONCERN FOR THIS TAF PERIOD. GUIDANCE IS TRENDING MORE BULLISH ON
CONVECTION ACROSS THE NC AND SC PIEDMONT THIS AFTN...PROBABLY
KICKING OFF FROM OUTFLOW FROM DISSIPATING CONVECTION CURRENTLY
PUSHING INTO THE NW NC MTNS AT THE TIME OF THIS WRITING. I WILL
TEMPO IN TSRA FROM 18-21Z...THEN PROB30 UNTIL 00Z. THE STORMS WILL
HAVE POTENTIAL TO PRODUCE GUSTY/ERRATIC WINDS. OUTSIDE OF
TSRA...WINDS SHUD FAVOR A SW DIRECTION THRU THE PERIOD. THERE IS
SOME POTENTIAL FOR FOG TOWARD DAYBREAK SUNDAY...BUT CONFIDENCE TOO
LOW TO MENTION IN THE TAF.

ELSEWHERE...CONDITIONS WILL REMAIN SIMILAR TO CLT. WILL TIME
CONVECTION A LITTLE EARLIER THAN CLIMO...DUE TO TIMING OF A
SHORTWAVE ALOFT AND SFC BOUNDARY ASSOCIATED WITH CONVECTION
CURRENTLY ENTERING THE NW NC MTNS. CONVECTION SHUD WANE THIS
EVENING...LEAVING SOME DEBRIS CLOUDINESS INTO THE OVERNIGHT.
DEPENDING ON HOW MUCH RAIN FALLS AT ANY TAF SITES...FOG POTENTIAL
LOOKS LIMITED TO MAINLY AT KAVL TONIGHT.

OUTLOOK...THE CHANCE/COVERAGE OF AFTN/EVE SHRA AND TSRA WILL
INCREASE TO TYPICAL MID JULY NORMALS INTO EARLY NEXT WEEK...AS LLVL
MOISTURE/INSTABILITY RETURNS. THIS WILL RESULT IN INCREASED CHANCES
OF MORNING FOG/STRATUS AS WELL.

CONFIDENCE TABLE...

            17-23Z        23-05Z        05-11Z        11-12Z
KCLT       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGSP       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAVL       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KHKY       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  83%
KGMU       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  83%

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...JPT
NEAR TERM...ARK/JAT
SHORT TERM...JDL
LONG TERM...JDL
AVIATION...ARK
Hazardous weather outlook, Jul 18, 6:59 AM EDT, 7 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
659 AM EDT SAT JUL 18 2015

GAZ010-017-NCZ033-035>037-048>053-056>059-062>065-069-501>507-509-
SCZ001>003-191100-
RABUN-HABERSHAM-AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
LINCOLN-CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-
GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
659 AM EDT SAT JUL 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.

ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TODAY
ACROSS THE MOUNTAINS AND THE I-40 CORRIDOR IN THE PIEDMONT AND
FOOTHILLS...MAINLY THIS AFTERNOON. WHILE THE PRIMARY THREATS WILL
BE FROM CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL...AN
ISOLATED SEVERE STORM OR TWO WILL BE POSSIBLE...WITH LOCALLY
DAMAGING WINDS BEING THE PRIMARY THREAT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

..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.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ018-026-028-029-NCZ068-070>072-082-508-510-SCZ004>014-019-191100-
STEPHENS-FRANKLIN-HART-ELBERT-CLEVELAND-GASTON-MECKLENBURG-CABARRUS-
UNION-GREATER RUTHERFORD-EASTERN POLK-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-CHESTER-GREENWOOD-
659 AM EDT SAT JUL 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.

ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON ACROSS THE PIEDMONT OF SOUTH CAROLINA...NORTHEAST
GEORGIA...AND SOUTHERN NORTH CAROLINA. WHILE THE PRIMARY THREATS
WILL BE FROM CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY
RAINFALL...AN ISOLATED SEVERE STORM OR TWO WILL BE POSSIBLE...WITH
LOCALLY DAMAGING WINDS BEING THE PRIMARY THREAT.

IN ADDITION...HIGH TEMPERATURES IN THE MID TO UPPER 90S WILL
COMBINE WITH MODERATE LEVELS OF HUMIDITY TO PRODUCE HEAT INDEX
VALUES OF 100 TO 105. TRY TO LIMIT OUTDOOR ACTIVITIES TO THE EARLY
MORNING OR EVENING HOURS. STAY OUT OF THE SUN AS MUCH AS
POSSIBLE...PREFERABLY IN AN AIR-CONDITIONED AREA DURING THE
HOTTEST PART OF THE DAY. IF YOU DO GO OUTSIDE...DRINK PLENTY OF
FLUIDS...AND WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

..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.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

LANE

In the hours before

Special weather statement, Jul 18, 1:37 PM EDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
137 PM EDT SAT JUL 18 2015

NCZ508-510-181800-
EASTERN POLK NC-GREATER RUTHERFORD NC-
137 PM EDT SAT JUL 18 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHEASTERN
RUTHERFORD AND EASTERN POLK COUNTIES UNTIL 200 PM EDT...

AT 137 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORM 5
MILES NORTHEAST OF COLUMBUS...MOVING SOUTHEAST AT 10 MPH.

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

LOCATIONS IMPACTED INCLUDE...
FOREST CITY...RUTHERFORDTON...COLUMBUS...SPINDALE...ELLENBORO...
CAROLEEN...HENRIETTA...CLIFFSIDE...GREEN CREEK AND MILL SPRING.

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.

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

&&

LAT...LON 3532 8172 3522 8176 3519 8177 3518 8179
      3519 8219 3527 8226 3540 8211
TIME...MOT...LOC 1737Z 312DEG 10KT 3529 8212

RWH
Special weather statement, Jul 18, 1:46 PM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
146 PM EDT SAT JUL 18 2015

NCZ501>504-181815-
GREATER BURKE NC-BURKE MOUNTAINS NC-CALDWELL MOUNTAINS NC-
GREATER CALDWELL NC-
146 PM EDT SAT JUL 18 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHWESTERN CALDWELL
AND CENTRAL BURKE COUNTIES UNTIL 215 PM EDT...

AT 146 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORM 9
MILES NORTH OF MORGANTON...MOVING SOUTH AT 15 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
MORGANTON...VALDESE...DREXEL...RUTHERFORD COLLEGE...GLEN ALPINE...
TABLE ROCK...GAMEWELL...LAKE RHODHISS...CONNELLY SPRINGS AND LAKE
JAMES.

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 3589 8189 3596 8169 3572 8150 3562 8181
TIME...MOT...LOC 1746Z 337DEG 13KT 3587 8176

RWH
Special weather statement, Jul 18, 1:55 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
155 PM EDT SAT JUL 18 2015

NCZ049-505-181830-
MCDOWELL MOUNTAINS NC-YANCEY NC-
155 PM EDT SAT JUL 18 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHEASTERN YANCEY
AND SOUTHWESTERN MCDOWELL COUNTIES UNTIL 230 PM EDT...

AT 155 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORM 8
MILES NORTHWEST OF MARION...MOVING SOUTH AT 15 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
OLD FORT...B.R. PARKWAY-CRAGGY TO LITTLE SWITZERLAND...MOUNT MITCHELL
STATE PARK...BUSICK...PLEASANT GARDENS...WOODLAWN AND SUGAR HILL.

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 3584 8207 3573 8199 3571 8203 3562 8206
      3560 8203 3554 8208 3552 8214 3552 8216
      3555 8222 3577 8228
TIME...MOT...LOC 1755Z 337DEG 13KT 3575 8214

RWH
Special weather statement, Jul 18, 2:13 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
213 PM EDT SAT JUL 18 2015

NCZ065-181845-
HENDERSON NC-
213 PM EDT SAT JUL 18 2015

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

AT 213 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORM NEAR
HENDERSONVILLE...MOVING SOUTHEAST AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
HENDERSONVILLE...MILLS RIVER...FLETCHER...FLAT ROCK...ETOWAH...
MOUNTAIN HOME...LAUREL PARK...SALUDA...ASHEVILLE AIRPORT AND VALLEY
HILL.

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 3534 8230 3531 8231 3531 8233 3529 8235
      3524 8235 3524 8236 3519 8236 3519 8238
      3521 8239 3519 8242 3517 8244 3516 8246
      3518 8246 3516 8250 3527 8261 3530 8262
      3536 8267 3544 8251
TIME...MOT...LOC 1813Z 309DEG 11KT 3532 8252

RWH
Special weather statement, Jul 18, 2:24 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
224 PM EDT SAT JUL 18 2015

NCZ510-SCZ003-007-181900-
EASTERN POLK NC-SPARTANBURG SC-GREENVILLE MOUNTAINS SC-
224 PM EDT SAT JUL 18 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHERN POLK...
NORTHWESTERN SPARTANBURG AND NORTHEASTERN GREENVILLE COUNTIES UNTIL
300 PM EDT...

AT 223 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORM OVER
COLUMBUS...MOVING SOUTHEAST AT 15 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
COLUMBUS...LANDRUM...INMAN...TRYON...CAMPOBELLO...LAKE BOWEN...GREEN
CREEK...MILL SPRING...GOWENSVILLE AND FINGERVILLE.

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 3523 8196 3522 8197 3519 8197 3519 8189
      3518 8187 3497 8209 3519 8232 3520 8229
      3520 8226 3526 8228 3534 8220
TIME...MOT...LOC 1823Z 309DEG 11KT 3523 8221

RWH
Special weather statement, Jul 18, 2:36 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
236 PM EDT SAT JUL 18 2015

NCZ052-181900-
HAYWOOD NC-
236 PM EDT SAT JUL 18 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF EAST CENTRAL HAYWOOD
COUNTY UNTIL 300 PM EDT...

AT 236 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORM 6
MILES NORTHEAST OF WAYNESVILLE...MOVING EAST AT 5 MPH.

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

LOCATIONS IMPACTED INCLUDE...
WAYNESVILLE...CANTON...LAKE JUNALUSKA...CLYDE...MOUNT PISGAH...B.R.
PARKWAY-BLACK BALSAM TO MOUNT PISGAH...CRUSO...COVE CREEK AND
SUNBURST.

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.

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

&&

LAT...LON 3564 8287 3563 8285 3562 8285 3563 8281
      3560 8280 3554 8277 3553 8278 3547 8280
      3544 8278 3542 8275 3541 8275 3542 8302
      3565 8300 3566 8288
TIME...MOT...LOC 1836Z 274DEG 6KT 3556 8292

RWH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:48 PM EDTSpecial Weather StatementGSPPolk27 min
Jul 18, 12:57 PM EDTSpecial Weather StatementGSPMecklenburg33 min
Jul 18, 1:19 PM EDTSpecial Weather StatementGSPBurke26 min
Jul 18, 1:21 PM EDTSpecial Weather StatementGSPYancey24 min
Jul 18, 1:24 PM EDTSevere Thunderstorm WarningGSPGaston, Lincoln, Mecklenburg51 min
Jul 18, 1:37 PM EDTSpecial Weather StatementGSPPolk23 min
Jul 18, 1:46 PM EDTSpecial Weather StatementGSPBurke29 min
Jul 18, 1:55 PM EDTSpecial Weather StatementGSPMcDowell35 min
Jul 18, 2:13 PM EDTSpecial Weather StatementGSPHenderson32 min
Jul 18, 2:21 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, Lincoln39 min
Jul 18, 2:24 PM EDTSpecial Weather StatementGSPPolk36 min
Jul 18, 2:36 PM EDTSpecial Weather StatementGSPHaywood24 min
Jul 18, 2:48 PM EDTSpecial Weather StatementGSPHenderson27 min
Jul 18, 2:59 PM EDTSpecial Weather StatementGSPIredell31 min
Jul 18, 3:10 PM EDTSpecial Weather StatementGSPTransylvania35 min
Jul 18, 3:22 PM EDTSpecial Weather StatementGSPGaston23 min
Jul 18, 4:26 PM EDTSpecial Weather StatementGSPHaywood34 min

Nearby

Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.