North Carolina, 2015

Damaging Winds in North Carolina, July 8, 2015

July 8, 2015 · NWS GSP · 4 events in 4 counties and zones

Isolated thunderstorms developed near the Blue Ridge escarpment during the afternoon. The storms organized into small clusters as they moved out into the Piedmont during late afternoon.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$16,000
Crop damage
None recorded
Events
4

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GSP wrote it up.

Isolated thunderstorms developed near the Blue Ridge escarpment during the afternoon. The storms organized into small clusters as they moved out into the Piedmont during late afternoon. Brief severe weather in the form of damaging winds occurred with a few of the storms.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Jul 8, 1:35 PM EST, 0 minutes earlier.

Area forecast discussion, Jul 8, 1:35 PM EST, 0 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
235 PM EDT WED JUL 8 2015

.SYNOPSIS...
UPPER RIDGE WILL CONTINUE TO STRENGTHEN OVER THE SOUTHEAST THROUGH
THE WEEKEND...BEFORE SLIDING WEST BY EARLY NEXT WEEK. SHOWER AND
THUNDERSTORM CHANCES WILL FAVOR THE AFTERNOON AND EVENING WITH THE
BEST CHANCES RESIDING OVER THE HIGH TERRAIN. A MID LEVEL TROUGH IS
EXPECTED TO DIG EAST OF THE MISSISSIPPI RIVER BY THE MIDDLE OF NEXT
WEEK. TEMPERATURES WILL REMAIN ABOVE NORMAL.

&&

.NEAR TERM /THROUGH TONIGHT/...
AT 215 PM...WIDELY SCT/SCT THUNDERSTORMS CURRENTLY OVER THE
MOUNTAINS WERE MOVING EASTWARD AND WILL EVENTUALLY AFFECT THE
ADJACENT FOOTHILLS AND PIEDMONT AREAS DURING THE LATE AFTERNOON AND
EARLY EVENING HOURS. MID LEVEL DRY AIR IS EVIDENT IN THE SOUNDINGS
SO SOME GUSTY WINDS AND POSSIBLY EVEN A COUPLE SEVERE MICROBURSTS
ARE NOT OUT OF THE QUESTION. CONVECTIVE ACTIVITY SHOULD QUICKLY WANE
WITH THE LOSS OF HEATING THIS EVENING PER CAMS.

FOR THE OVERNIGHT...WEAK BOUNDARY SHOULD STAY NORTH OF THE AREA AS
THE BERMUDA HIGH BUILDS WESTWARD. THEREFORE...MOSTLY CLEAR
CONDITIONS ARE ANTICIPATED. WITH THE CLEAR CONDITIONS...MOUNTAIN
VALLEY FOG IS A GOOD BET AND ALSO AROUND SOME OF THE LAKES EARLY
THURSDAY. OVERNIGHT LOWS WILL BE ABOVE CLIMO WITH LOW TO MID 70S
OUTSIDE OF THE MOUNTAINS...WITH 60S MOUNTAINS.

ON THURSDAY...THE UPPER ANTICYCLONE IS FORECAST TO REGTROGRADE
WESTWARD. MODEL SOUNDINGS DEPICT WARM MID LEVELS AND CONSIDERABLE
LOW LEVEL CIN. HENCE...CONVECTION WILL BE SUPPRESSED. THE ONLY PLACE
WHERE PARCELS MAY HAVE A CHANCE TO BREAK THE CAP IS ALONG THE SPINE
OF THE MOUNTAINS ADJACENT TO TN. HENCE...HAVE SOME ISOLATED TYPE
POPS THERE DURING THE MID TO LATE AFTERNOON HOURS. THURSDAY WILL BE
ANOTHER HOT DAY WITH TEMPS WELL ABOVE CLIMO. HIGHS ARE FORECAST IN
THE MID TO UPPER 90S MOST PIEDMONT LOCATIONS AND MID TO UPPER 80S
MOUNTAIN VALLEYS.

&&

.SHORT TERM /THURSDAY THROUGH SATURDAY/...
AS OF 205 PM WEDNESDAY...THE UPPER PATTERN CONTINUES TO SHOW A
RETROGRADING SUBTROPICAL RIDGE ACROSS THE DEEP SOUTH. THIS KEEPS THE
CWFA UNDER THE INFLUENCE OF THE RIDGE ON FRI. HOWEVER BY SATURDAY...
HEIGHTS BEGIN TO SLOWLY FALL AS THE CENTER OF THE RIDGE MOVES WEST
AND NWLY FLOW DEVELOPS ALLOWING WEAK SHORTWAVES TO MOVE INTO OR
TOWARD THE AREA. THE SURFACE PATTERN SHOWS A GENERAL MTN RIDGE AND
FALL LINE LEE TROF EACH DAY. HOWEVER...A WEAK BOUNDARY DOES APPEAR
TO SLIDE INTO THE AREA FRI AND LINGER ON SAT. THIS BOUNDARY COULD
PROVIDE A BOUNDARY LAYER FOCUS FOR CONVECTIVE INITIATION...ESPECIALLY
ON SAT WHEN SHORTWAVE ACTIVITY INCREASES. THAT SAID...FCST SOUNDINGS
ARE NOT VERY IMPRESSIVE INSTABILITY-WISE WITH RELATIVELY LOW DEW
POINTS DUE TO THE W TO NW LOW LEVEL FLOW AND WARM MID LEVEL TEMPS.
HOWEVER...PW VALUES ARE FCST IN INCREASE THRU THE PERIOD WHICH COULD
LEAD TO BETTER CHC OF CONVECTION. GIVEN THE UNCERTAINTY...WILL KEEP
POP NEAR A CLIMO TREND WITH BEST CHC ACROSS THE MTNS AND ADD THE
I-40 CORRIDOR WHERE THE WEAK BOUNDARY LINGERS AND ANY OUTFLOW
BOUNDARIES FROM OVERNIGHT MCS ACTIVITY WOULD MOVE THRU.

HIGHS WILL BE NEARLY STEADY IN THE 90S OUTSIDE OF THE MTNS AND 80S
OVER THE MTN VALLEYS...WITH LOWS NEARLY STEADY SEVERAL DEGREES ABOVE
NORMAL.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS OF 230 PM WEDNESDAY...FOR THE FORECAST ON SUNDAY AND MONDAY WE
USED A BLEND OF THE GFS AND THE ECMWF BUT FAVORED THE ECMWF FOR
TUESDAY AND WEDNESDAY. BOTH SOLUTIONS SHOW A VERY LARGE 500MB RIDGE
OVER THE SOUTHERN PLAINS ON SUNDAY.  HEIGHTS ACROSS THE WESTERN
CAROLINAS AND NE GEORGIA WILL REMAIN SLIGHTLY ABOVE 590DM THROUGH
THE DAY.  AT THE SURFACE...THE REGION WILL BE COVERED BY A BROAD AND
WEAK AREA OF HIGH PRESSURE.  FORECAST SOUNDINGS INDICATE A
SIGNIFICANT INVERSION AROUND 650MB SUNDAY AFTERNOON.  AS A
RESULT...A THIN LAYER OF INHIBITION SHOULD REMAIN ACROSS THE AREA
THROUGH THE LATE AFTERNOON...WEAKEST OVER THE MOUNTAINS.  GIVEN HIGH
TEMPERATURES ARE 3-5 DEGREES ABOVE NORMAL AND AFTERNOON DEWPOINTS IN
THE LOWER TO MID 60S...WEAK INSTABILITY WILL EXIST ABOVE THE
INVERSION.  MONDAY WILL BE VERY SIMILAR TO SUNDAY WITH SLIGHTLY MORE
AVAILABLE MOISTURE AND A WEAKER INVERSION.  BOTH DAYS WILL START OFF
DRY WITH GENERALLY MOSTLY SUNNY SKIES.  BY THE AFTERNOON WE WILL
FAVOR THE MOUNTAINS WITH SLIGHT CHANCE TO CHANCE POPS...GREATER
COVERAGE EXPECTED ON MONDAY.

THE MID-LEVEL PATTERN CHANGES DURING THE PERIOD ON TUESDAY AND
WEDNESDAY AS A TROUGH DIGS INTO THE MID-MISSISSIPPI RIVER VALLEY.
CONDITIONS ON TUESDAY BEGIN TO MODIFY FROM A HOT AND DRY START TO
THE WORK WEEK...WITH PWS RISING TO 1.8 INCHES.  IN ADDITION...CAPE
VALUES ACROSS THE REGION...ESPECIALLY ACROSS THE MOUNTAINS...WILL
INCREASE WITH LOWER VALUES OF INHIBITION.  POPS ON TUESDAY WILL
RANGE FROM 40 PERCENT ACROSS THE RIDGES TO MID- TO UPPER-30S ACROSS
THE VALLEYS AND THE PIEDMONT.  ON WEDNESDAY...TROUGH AXIS SHOULD AT
LEAST AMPLIFY ACROSS THE CENTRAL CONUS...WITH THE GFS SHOWING A WELL-
DEVELOPED CLOSED LOW.  OVERALL...WEDNESDAY SHOULD HAVE CLOUDIER
CONDITIONS WITH COOLER HIGH TEMPERATURES...RANGING WITHIN A DEGREE
OR TWO OF NORMAL.  LATE WEDNESDAY AFTERNOON POPS SHOULD GENERALLY
RANGE IN THE 40S WITH SOME LIKELY VALUES ACROSS THE HIGHEST RIDGES.

&&

.AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
AT KCLT...MAIN CONCERN IS WHETHER CONVECTION MOVING OFF THE
MOUNTAINS WILL AFFECT THE AIRFIELD DURING THE LATE AFTERNOON HOURS.
EXPECT THAT ACTIVITY WILL BE WIDELY SCT SO ELECTED TO KEEP THE
MENTION OF THUNDER OUT OF THE TAF FOR NOW. DID MENTION VCSH AT 22Z
ALONG WITH A WIND SHIFT TO THE NW ANTICIPATING EXPECTING AN OUTFLOW
BOUNDARY. ANY THREAT OF THUNDER SHOULD END BY 01Z WITH WINDS BACKING
TO THE SW AGAIN AT LESS THAN 5 MPH.

ELSEWHERE...RADAR SHOWS SCT CONVECTION DEVELOPING OVER THE MOUNTAINS
WITH A STORM MOVING JUST N OF KAVL. WILL CARRY TEMPO TSRA AT KAVL
UNTIL 21Z. ELSEWHERE...CONFIDENCE NOT HIGH ENOUGH TO PUT IN A
TEMPO...BUT DID MENTION VCTS AT KGSP/KGMU AND KHKY FROM 20-22Z.
OTHERWISE...VFR EXCEPT SOME VALLEY FOG MAY RESTRICT VSBYS TO 3 MILES
OR LESS AT KAVL EARLY ONN THURSDAY...AND SOME FOG VCNTY LAKE
HARTWELL MAY AFFECT KAND AROUND SUNRISE.

OUTLOOK...ISOLATED TO SCATTERED AFTN/EVENING THUNDERSTORMS ARE
EXPECTED OVER THE AREA THRU THIS WEEKEND...MAINLY IN THE MTNS...WITH
ASSOCIATED RESTRICTIONS UNDER THE HEAVIEST SHOWERS. LOW CLOUDS AND
FOG COULD DEVELOP IN THE MORNING AT PLACES THAT HAVE SHOWER ACTIVITY
THE DAY BEFORE...AND IN DAILY IN MTN AND RIVER VALLEYS. !--NOT SENT--

!--NOT SENT--!

CONFIDENCE TABLE...

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

&&

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

&&

SYNOPSIS...JMP/NED
NEAR TERM...LG
SHORT TERM...RWH
LONG TERM...JMP/NED
AVIATION...LG
Hazardous weather outlook, Jul 8, 3:56 AM EST, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
456 AM EDT WED JUL 8 2015

GAZ010-017-018-026-028-NCZ033-035>037-048>053-056>059-062>065-
068>070-501>510-SCZ001>008-010-090900-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-AVERY-ALEXANDER-IREDELL-DAVIE-
MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CLEVELAND-LINCOLN-GASTON-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-ANDERSON-
456 AM EDT WED JUL 8 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
GEORGIA...NORTHERN PIEDMONT NORTH CAROLINA...ALL OF WESTERN NORTH
CAROLINA AND UPSTATE SOUTH CAROLINA ALONG AND NORTH OF INTERSTATE
85.

.DAY ONE...TODAY AND TONIGHT.

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP THIS AFTERNOON INTO THE EVENING. THE PRIMARY THREATS WITH
ANY OF THE STRONGER THUNDERSTORMS WILL BE GUSTY WINDS AND FREQUENT
CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ029-NCZ071-072-082-SCZ009-011>014-019-090900-
ELBERT-MECKLENBURG-CABARRUS-UNION-YORK-ABBEVILLE-LAURENS-CHESTER-
GREENWOOD-
456 AM EDT WED JUL 8 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ELBERT COUNTY IN NORTHEAST
GEORGIA...SOUTHERN PIEDMONT NORTH CAROLINA...AND PORTIONS OF
UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

.SPOTTER INFORMATION STATEMENT...

NONE.

CDG

In the hours before

Special weather statement, Jul 8, 12:45 PM EST, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 PM EDT WED JUL 8 2015

NCZ048-052-053-505-507-081815-
RUTHERFORD MOUNTAINS NC-BUNCOMBE NC-MCDOWELL MOUNTAINS NC-HAYWOOD NC-
MADISON NC-
145 PM EDT WED JUL 8 2015

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SOUTH CENTRAL
MADISON...WEST CENTRAL RUTHERFORD...BUNCOMBE...SOUTHWESTERN MCDOWELL
AND EAST CENTRAL HAYWOOD COUNTIES UNTIL 215 PM EDT...

AT 144 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
DOWNTOWN ASHEVILLE...MOVING EAST AT 20 MPH.

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

LOCATIONS IMPACTED INCLUDE...
DOWNTOWN ASHEVILLE...BLACK MOUNTAIN...WOODFIN...SWANNANOA...
WEAVERVILLE...FAIRVIEW IN BUNCOMBE COUNTY...BILTMORE FOREST...BENT
CREEK...LAKE LURE AND OLD FORT.

LAT...LON 3572 8228 3570 8228 3570 8226 3572 8223
      3571 8212 3543 8217 3544 8228 3547 8227
      3549 8235 3548 8237 3546 8237 3547 8241
      3546 8244 3551 8284 3577 8279
TIME...MOT...LOC 1744Z 279DEG 18KT 3559 8248

LG
Special weather statement, Jul 8, 1:26 PM EST, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
226 PM EDT WED JUL 8 2015

NCZ049-053-065-068-503>508-081900-
CLEVELAND NC-RUTHERFORD MOUNTAINS NC-GREATER RUTHERFORD NC-
BUNCOMBE NC-EASTERN MCDOWELL NC-GREATER BURKE NC-
MCDOWELL MOUNTAINS NC-BURKE MOUNTAINS NC-YANCEY NC-HENDERSON NC-
226 PM EDT WED JUL 8 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHWESTERN
BURKE...RUTHERFORD...SOUTHEASTERN YANCEY...NORTHWESTERN CLEVELAND...
EASTERN BUNCOMBE...MCDOWELL AND NORTHEASTERN HENDERSON COUNTIES
UNTIL 300 PM EDT...

AT 225 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 14
MILES SOUTHWEST OF MARION...MOVING EAST AT 20 MPH.

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

LOCATIONS IMPACTED INCLUDE...
MORGANTON...MARION...RUTHERFORDTON...FOREST CITY...BLACK MOUNTAIN...
SWANNANOA...FAIRVIEW IN BUNCOMBE COUNTY...GLEN ALPINE...LAKE LURE AND
OLD FORT.

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 3531 8165 3540 8214 3541 8216 3540 8217
      3545 8243 3579 8238 3581 8167
TIME...MOT...LOC 1825Z 279DEG 18KT 3554 8220

LG

The radar

The Greer radar (KGSP), 81 km away, was scanning. The volume nearest the first event began at 18:36 UTC.

Open the radar archive at this moment

Event by event

4 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, McDowell

When
July 8, 1:35 PM EST to 1:42 PM EST
Where
McDowell County, 2.64 mi ESE of Old Ft to 0.69 mi N of Providence
Measured
50 kt (58 mph) estimated gust
Property damage
$1,000
Reported by
Broadcast Media
Coordinates
35.610, -82.140

Media reported multiple trees blown down on Golf Course Rd near Old Fort, with a carport damaged in the same area. Trees and power lines were also blown down in the Sugar Hill Rd area in the Providence community.

Thunderstorm Wind, Cleveland

When
July 8, 3:45 PM EST
Where
Cleveland County, 0.89 mi SW of Kings Mtn
Measured
55 kt (63 mph) estimated gust
Property damage
$5,000
Reported by
Newspaper
Coordinates
35.240, -81.360

Newspaper reported significant damage to a metal roof at Kings Mountain High School.

Thunderstorm Wind, Polk

When
July 8, 4:05 PM EST
Where
Polk County, 0.89 mi NE of Mt Vly
Measured
50 kt (58 mph) estimated gust
Reported by
Public
Coordinates
35.290, -82.290

Public reported multiple trees and power lines blown down.

Thunderstorm Wind, Mecklenburg

When
July 8, 4:40 PM EST
Where
Mecklenburg County, 0.56 mi E of Charlotte to 0.89 mi NE of Charlotte
Measured
50 kt (58 mph) estimated gust
Property damage
$10,000
Reported by
Broadcast Media
Coordinates
35.230, -80.840

Media reported multiple trees blown down in Uptown Charlotte and just north of there.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in North Carolina in 2015Every state in 2015This day in weather historyWarnings in North Carolina, July 2015

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 594515, 594517, 594518, 594519.