Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 243, NWS Greenville-Spartanburg, SC

July 24, 20144 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 24, 2014, 6:03 PM EDT for 4 counties in North Carolina. It was in force for 57 min. 3 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 24, 2014, 6:03 PM EDT (22:03 UTC)
Expired
Jul 24, 2014, 7:00 PM EDT
In force
57 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cabarrus County, NC, Iredell County, NC, Mecklenburg County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 166 km from the middle of the area, began a volume at 22:05 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 24, 6:10 PM EDTTSTM WND DMGEnochville, NCPOWERLINES DOWN.
Jul 24, 6:18 PM EDTTSTM WND DMG1 Nw Kannapolis, NCTREE FELL ON A HOUSE ON DUE WEST ST.
Jul 24, 6:18 PM EDTTSTM WND DMG1 Wnw Kannapolis, NCTREE DOWN ACROSS ROAD

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 3 storm reports to this severe thunderstorm warning; the first came 7 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, 10.1 hours before the alert went out and 92 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 2014-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 694 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 2014-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.19395878Sfc1 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
694 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

234 
WUUS52 KGSP 242203
SVRGSP
NCC025-097-119-159-242300-
/O.NEW.KGSP.SV.W.0243.140724T2203Z-140724T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
603 PM EDT THU JUL 24 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CABARRUS COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  SOUTHEASTERN IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  NORTH CENTRAL MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...
  SOUTHWESTERN ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 700 PM EDT

* AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
  ENOCHVILLE...OR 10 MILES NORTHWEST OF CONCORD...AND MOVING
  SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  ENOCHVILLE.
  I-85 AT HIGHWAY 73 AND LANDIS.
  KANNAPOLIS.
  CONCORD.
  MOUNT PLEASANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3537 8037 3526 8045 3545 8086 3561 8077
      3550 8030
TIME...MOT...LOC 2204Z 293DEG 10KT 3549 8071

$$

KRENTZ
3 follow-up statements
717 
WWUS52 KGSP 242219
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
619 PM EDT THU JUL 24 2014

NCC097-119-242229-
/O.CAN.KGSP.SV.W.0243.000000T0000Z-140724T2300Z/
IREDELL NC-MECKLENBURG NC-
619 PM EDT THU JUL 24 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MECKLENBURG AND
SOUTHEASTERN IREDELL COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.

LAT...LON 3545 8076 3557 8070 3550 8030 3537 8037
      3526 8045
TIME...MOT...LOC 2219Z 293DEG 10KT 3547 8066

$$

NCC025-159-242300-
/O.CON.KGSP.SV.W.0243.000000T0000Z-140724T2300Z/
CABARRUS NC-ROWAN NC-
619 PM EDT THU JUL 24 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
ROWAN AND NORTHEASTERN CABARRUS COUNTIES UNTIL 700 PM EDT...

AT 612 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
ENOCHVILLE...OR 7 MILES NORTHWEST OF CONCORD...MOVING SOUTHEAST AT 10
MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  I-85 AT HIGHWAY 73 AND LANDIS.
  KANNAPOLIS.
  CONCORD.
  MOUNT PLEASANT.

LAT...LON 3545 8076 3557 8070 3550 8030 3537 8037
      3526 8045
TIME...MOT...LOC 2219Z 293DEG 10KT 3547 8066

$$

KRENTZ
129 
WWUS52 KGSP 242236
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
636 PM EDT THU JUL 24 2014

NCC159-242246-
/O.CAN.KGSP.SV.W.0243.000000T0000Z-140724T2300Z/
ROWAN NC-
636 PM EDT THU JUL 24 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ROWAN COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.

LAT...LON 3542 8065 3550 8059 3550 8030 3537 8037
      3526 8045
TIME...MOT...LOC 2236Z 293DEG 10KT 3545 8061

$$

NCC025-242300-
/O.CON.KGSP.SV.W.0243.000000T0000Z-140724T2300Z/
CABARRUS NC-
636 PM EDT THU JUL 24 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
CABARRUS COUNTY UNTIL 700 PM EDT...

AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
KANNAPOLIS...OR NEAR CONCORD...MOVING SOUTHEAST AT 10 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  CONCORD.
  MOUNT PLEASANT.

LAT...LON 3542 8065 3550 8059 3550 8030 3537 8037
      3526 8045
TIME...MOT...LOC 2236Z 293DEG 10KT 3545 8061

$$

KRENTZ
257 
WWUS52 KGSP 242253
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
653 PM EDT THU JUL 24 2014

NCC025-242303-
/O.EXP.KGSP.SV.W.0243.000000T0000Z-140724T2300Z/
CABARRUS NC-
653 PM EDT THU JUL 24 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CABARRUS COUNTY
WILL EXPIRE AT 700 PM EDT...

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

LAT...LON 3542 8065 3550 8059 3550 8030 3537 8037
      3526 8045
TIME...MOT...LOC 2253Z 293DEG 10KT 3543 8056

$$

KRENTZ

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 24, 5:07 PM EDT, 56 minutes earlier.

Area forecast discussion, Jul 24, 5:07 PM EDT, 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
507 PM EDT THU JUL 24 2014

.SYNOPSIS...
A COLD FRONT WILL THE CROSS AREA THROUGH THIS EVENING AND MOVE
SOUTHEAST OF THE REGION OVERNIGHT. HIGH PRESSURE WILL BUILD IN
BEHIND THE FRONT FOR FRIDAY AND THE WEEKEND. ANOTHER FRONT IS
EXPECTED TO REACH THE AREA ON MONDAY.

&&

.NEAR TERM /THROUGH FRIDAY/...
AS OF 435 PM EDT...THE BEST CONVECTIVE COVERAGE AHEAD OF THE SLOWLY
MOVING COLD FRONT OVER THE MTNS IS DEVELOPING FROM THE EASTERN EDGE
OF THE MOUNTAINS OUT ACROSS THE FOOTHILLS AND PIEDMONT AS ADDITIONAL
UPPER SUPPORT ARRIVES FROM THE W IN THE TROUGH AXIS. A FAIRLY DECENT
COLD POOL MAY DEVELOP OVER THE FOOTHILLS AND LEAD TO WIDESPREAD
COVERAGE FOR A FEW HOURS AS THE ACTIVITY MOVES EASTWARD. OTHER THAN
IN TRAINING AREAS...MOVEMENT SHOULD SUFFICIENT TO LARGELY PRECLUDE
HYDRO PROBLEMS. IT WILL TAKE VERY TALL CELLS TO PRODUCE SEVERE
WEATHER IN THE WARM AND MOIST AIRMASS...BUT MARGINAL QUARTER HAIL
AND 50+ WINDS APPEAR MOST POSSIBLE ALONG AND EAST OF INTERSTATE 77
AS THE CONVECTIVE COLD POOLS BUILD.

STILL ANTICIPATE A STEADY DECLINE IN COVERAGE FROM LATE EVENING
THROUGH THE OVERNIGHT AS THE COLD FRONT MOVES EAST OF THE AREA AND
HIGH PRESSURE THEN BUILDS SOUTHWARD TO BRING A SOMEWHAT DRIER
AIRMASS INTO THE AREA. HOWEVER...LOW LEVEL MOISTURE WILL REMAIN
ELEVATED OVERNIGHT AND LIGHT WINDS SHOULD ALLOW FOG TO DEVELOP
THROUGHOUT THE MOUNTAIN VALLEYS...AND PERHAPS ALSO ACROSS PARTS OF
THE PIEDMONT.

ON FRI...EVEN WITH THE REMNANTS OF THE FRONT REMAINING SOUTH OF THE
AREA...WINDS ARE FORECAST TO VEER TO THE SE DURING THE AFTERNOON.
THE LIGHT UPSLOPE COMPONENT AND WEAKENING CAP MAY ALLOW FOR A FEW
ISOLATED MOUNTAIN SHOWERS FRIDAY AFTERNOON. MAX TEMPS WILL TOP OUT A
COUPLE DEGREES BELOW CLIMO.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 130 PM THU...UPPER HEIGHTS INITIALLY RISE FRI NIGHT AS A TROUGH
LIFTS AWAY FROM THE EAST COAST...BUT REMAIN NEARLY STEADY THEREAFTER
LEAVING OUR REGION UNDER SLIGHTLY CYCLONIC FLOW OVER THE WEEKEND. BY
LATE SUNDAY HOWEVER HEIGHTS BEGIN TO FALL AGAIN AS ANOTHER SHORTWAVE
DIGS INTO THE MIDWEST. AT THE SFC WEAK HIGH PRESSURE WILL PERSIST
OVER THE SERN CONUS ALONG WITH LIGHT SWLY TO WLY FLOW.

FOR SATURDAY THE MAIN DIFFICULTY IS TO DETERMINE WHETHER THE SFC HIGH
WILL PROVIDE ENOUGH SUBSIDENCE TO STIFLE DIURNAL CONVECTION. MODELS
DIFFER RATHER WIDELY IN THEIR DEPICTION OF THE CAP. 09Z SREF MEMBER
SOUNDINGS MOSTLY SHOW A SIGNIFICANT MIDLEVEL INVERSION...BUT THE
MEMBERS WHICH ARE UNCAPPED SHOW CAPE VALUES A BIT HIGHER THAN CLIMO
GIVEN THE LACK OF RIDGING ALOFT. DRY MID-UPPER LEVELS AND LACK OF
SHEAR IMPLY PULSE-MODE THREATS IF ANY CELLS ARE TO FIRE. ON THE OTHER
HAND...GFS/GEFS IMPLY CAPPING AND ACCORDINGLY HAVE NO QPF RESPONSE.
OVERALL SUPPORT SEEMS TO BE BETTER FOR A DRY FCST...THUS I HAVE
MAINTAINED IT. HIGH TEMPS WILL BE ABOUT NORMAL FOR SATURDAY.

THE POTENTIAL CAPPING IS A CRITICAL QUESTION FOR SUNDAY...BUT AT THAT
TIME THERE IS THE ADDED ISSUE OF WHETHER THE COLD FRONT PLOWING ACRS
THE OH/TN VALLEYS WILL HAVE ANY IMPACT DURING PEAK HEATING.  EARLIER
MODEL RUNS SUGGESTED THE FRONT WOULD BE NEAR ENOUGH TO PUT OUR AREA
IN A MORE FAVORABLE ENVIRONMENT FOR STRONG STORMS SUNDAY AFTN...BUT
LATEST GUIDANCE HAS DELAYED IT AND A FAIR NUMBER OF THE LATEST RUNS
AGAIN KEEP CONVECTION TO A MINIMUM OVER THE CWFA. ENSEMBLE SOLUTIONS
LEND SOME SUPPORT THOUGH...AND IN LIGHT OF THE UNCERTAIN MODEL TRENDS
AND CONTINUED EXPECTATION THAT THE FRONT WILL BE NEARBY...LOW POPS
HAVE BEEN KEPT SUNDAY AFTN...RAMPING UP INTO SUNDAY NIGHT. TEMPS WILL
INCH UP SLIGHTLY FURTHER SUNDAY UNDER HIGHER THICKNESSES IN THE SWLY
FLOW.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 150 PM THURSDAY...SUBSTANTIAL/ANOMALOUSLY STRONG UPPER HEIGHT
FALLS WILL BE INTRODUCED TO THE EASTERN CONUS EARLY IN THE MEDIUM
RANGE PERIOD...ALLOWING A COLD FRONT TO PUSH TOWARD THE REGION. THE
LATEST GLOBAL MODEL RUNS HAVE CONTINUED A RECENT TREND OF DRIER
PRE-FRONTAL AIR AND A WEAKER QPF RESPONSE WITH THE FRONT IN THE LATE
SUNDAY NIGHT/EARLY MONDAY TIME FRAME. IN FACT...A CONSENSUS SEEMS TO
BE DEVELOPING THAT PROBABILITIES FOR SHOWERS WILL BE VERY LOW...
EXCEPT PERHAPS ACROSS THE SOUTHERN AND EASTERN FRINGE OF OUR
PIEDMONT AREAS MON AFTERNOON...WHEN THE FRONT WILL HAVE A LITTLE
MORE IN THE WAY OF BUOYANCY TO WORK WITH. NEVERTHELESS...EARLY NEXT
WEEK IS STILL TOO FAR IN THE FUTURE FOR US TO GET TOO CUTE WITH
TIMING THE POSITION OF THE FRONT...AND THESE SCENARIOS TYPICALLY
EVOLVE MORE SLOWLY THAN ADVERTISED BY THE MODELS THIS TIME OF YEAR.
THEREFORE...WILL GENERALLY FEATURE A SHOTGUNNED CHANCE POP ACROSS
THE CWFA THROUGHOUT MONDAY...DIMINISHING TO SLIGHT CHANCE OR LESS BY
EVENING.

THE REMAINDER OF THE FORECAST PERIODS LOOKS VERY SIMILAR TO WHAT WAS
EXPERIENCED ABOUT A WEEK AGO...WHEN AN UNUSUALLY COOL/DRY AIR MASS
BECAME ESTABLISHED OVER THE REGION UNDERNEATH AN ANOMALOUSLY STRONG
EASTERN TROUGH. IF ANYTHING...THIS AIR MASS PAY PROVE TO BE A LITTLE
MORE PERSISTENT THAN LAST WEEK/S. TEMPS ARE EXPECTED TO BE 5-10
DEGREES BELOW CLIMO THROUGH THE PERIOD...WHILE A HALT IN DIURNAL
CONVECTION IS EXPECTED THROUGH AT LEAST WED.

BY THE END OF THE PERIOD...THERE ARE SIGNS THAT...AGAIN SIMILAR TO
LAST WEEK/S EVENTS...THE TROUGH WILL EFFECTIVELY RETROGRADE...
ALLOWING MOISTURE TO RETURN WITHIN A DEVELOPING WEDGE-LIKE SCENARIO.
POPS AND CLOUDS WILL THEREFORE BEGIN TO INCREASE BY THE END OF THE
PERIOD...WITH TEMPS REMAINING COOL WITHIN A DEVELOPING EASTERLY LOW
LEVEL FLOW REGIME.

&&

.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
AT KCLT...THUNDERSTORMS WILL BE NUMEROUS AT THE AIRFIELD THROUGH
EARLY EVENING AS SEVERAL ROUNDS OF ACTIVITY AHEAD OF THE COLD FRONT
MOVE SWIFTLY FROM THE WSW AHEAD OF THE APPROACHING TROUGH. TEMPO
GUSTS OF 25 KT ALONG WITH MVFR RESTRICTIONS SEEM A GOOD BET BASED ON
OBSERVED IMPACTS ELSEWHERE. CONDITIONS WILL CALM DOWN BY LATE
EVENING AS THE BOUNDARY MOVES THROUGH. WINDS WILL BECOME LIGHT AND
THEN TURN OUT OF THE NE LATE TONIGHT. GIVEN THE LINGERING LOW LEVEL
MOISTURE...MOST GUIDANCE SUGGESTS THAT MVFR CLOUDS WILL DEVELOP
TOWARD SUNRISE WITH SOME LIGHT FOG. THIS SHOULD DISSIPATE BY 14Z.

ELSEWHERE...THUNDERSTORMS WILL REMAIN FAIRLY NUMEROUS NEAR ALL THE
MTN AND FOOTHILL TAF SITES THROUGH EARLY EVENING. ANY TSTMS SHOULD
PRODUCE LOCAL MVFR RESTRICTIONS AND SOME LOW END GUSTS. THE STORMS
WILL MOVE EAST OF THE AREA AS A COLD FRONT MOVES THROUGH MID TO LATE
EVENING. THE OVERNIGHT SHOULD BE QUIET BUT SOME IFR FOG IS A GOOD
BET AT KAVL WHERE CROSSOVER OVER TEMPS WILL BE MET. ANTICIPATE SW
FLOW EARLY TURNING NRLY THEN NE OVERNIGHT...EXCEPT CONTINUED NW
WINDS AT KAVL.

OUTLOOK...FRI NIGHT THROUGH SUNDAY MORNING SHOULD BE QUIET AND
VFR...EXCEPT FOR THE MTN VALLEYS WHERE EARLY MORNING FOG MAY OCCUR.
THUNDERSTORMS WILL RETURN TO THE FORECAST FOR SUNDAY AFTERNOON
THROUGH MON AS ANOTHER COLD FRONT APPROACHES AND THEN MOVES THROUGH
THE AREA ON MON.

CONFIDENCE TABLE...

            21-03Z        03-09Z        09-15Z        15-21Z
KCLT       HIGH  85%     HIGH  94%     MED   64%     HIGH  80%
KGSP       HIGH  93%     HIGH 100%     HIGH 100%     HIGH 100%
KAVL       MED   78%     MED   64%     MED   79%     HIGH 100%
KHKY       HIGH  86%     HIGH 100%     HIGH 100%     HIGH 100%
KGMU       HIGH  93%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH  87%     HIGH  80%

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...LG
NEAR TERM...HG/LG
SHORT TERM...WIMBERLEY
LONG TERM...JDL
AVIATION...HG/LG
Hazardous weather outlook, Jul 24, 5:18 PM EDT, 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
518 PM EDT THU JUL 24 2014

GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509-
SCZ001>003-252130-
RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-
GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
518 PM EDT THU JUL 24 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MOUNTAINS OF NORTHEAST
GEORGIA...WESTERN NORTH CAROLINA...AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL AFFECT THE MOUNTAINS THROUGH THE
EARLY EVENING HOURS. THE MAIN THREATS WILL BE CLOUD TO GROUND
LIGHTNING STRIKES AND BRIEFLY HEAVY RAINFALL. THE STRONGEST
THUNDERSTORMS COULD PRODUCE SMALL HAIL AND GUSTY WINDS OF 30 TO 40
MPH. THE THUNDERSTORMS SHOULD MOVE EAST OF THE MOUNTAINS BY
SUNSET.

.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-NCZ035>037-056-057-068>072-082-502-504-506-508-
510-SCZ004>014-019-252130-
STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
EASTERN POLK-GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
518 PM EDT THU JUL 24 2014

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

.DAY ONE...TONIGHT.

NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP JUST EAST OF THE
MOUNTAINS AND TRACK EASTWARD ACROSS THE FOOTHILLS AND PIEDMONT
INTO THE EVENING HOURS. A FEW OF THESE THUNDERSTORMS ARE EXPECTED
TO BECOME SEVERE...PRODUCING BRIEF BUT DAMAGING WIND GUSTS OF 60
MPH AND HAIL AS LARGE AS QUARTERS. THE GREATEST CHANCE OF SEVERE
THUNDERSTORMS WILL BE PIEDMONT LOCATIONS ALONG AND EAST OF
INTERSTATE 77 THROUGH MID EVENING. ANY OF THESE THUNDERSTORMS WILL
ALSO PRODUCE FREQUENT LIGHTNING AND LOCALLY HEAVY RAINFALL...WHICH
COULD CREATE ISOLATED FLOODING IN AREAS REPEATEDLY AFFECTED. THE
STORMS SHOULD MOVE EAST OF THE AREA BY MIDNIGHT.

.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...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL AND DAMAGING WINDS TO THE NATIONAL WEATHER SERVICE.

HG

In the hours before

Special weather statement, Jul 24, 5:01 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
501 PM EDT THU JUL 24 2014

NCZ056-502-504-242145-
CATAWBA-GREATER BURKE-GREATER CALDWELL-
501 PM EDT THU JUL 24 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BURKE...SOUTHEASTERN
CALDWELL AND WESTERN CATAWBA COUNTIES THROUGH 545 PM EDT...

AT 454 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MORGANTON...MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MORGANTON...
  VALDESE...
  RUTHERFORD COLLEGE...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

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 8136 3559 8138 3565 8183 3583 8181

KRENTZ
Special weather statement, Jul 24, 5:13 PM EDT, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
513 PM EDT THU JUL 24 2014

NCZ082-242200-
UNION-
513 PM EDT THU JUL 24 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN UNION COUNTY IN THE
PIEDMONT OF NORTH CAROLINA THROUGH 600 PM EDT...

AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR WAXHAW...OR 11 MILES NORTH OF LANCASTER...
MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MINERAL SPRINGS...

SMALL HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

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.

LAT...LON 3481 8037 3481 8079 3482 8080 3497 8079
      3496 8035

KRENTZ
Local storm report, Jul 24, 5:30 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
530 PM EDT THU JUL 24 2014

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

0510 PM     HAIL             4 E MORGANTON           35.74N 81.64W
07/24/2014  M1.00 INCH       BURKE              NC   BROADCAST MEDIA

            QUARTER SIZE HAIL ALONG SUMMERS RD NEAR DREXEL. TIME
            ESTIMATED FROM RADAR.

0519 PM     HAIL             3 ESE MORGANTON         35.72N 81.66W
07/24/2014  M0.88 INCH       BURKE              NC   BROADCAST MEDIA

&&

WIMBERLEY
Special weather statement, Jul 24, 5:36 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
536 PM EDT THU JUL 24 2014

NCZ036-056-057-069-071-072-242215-
CABARRUS-CATAWBA-IREDELL-LINCOLN-MECKLENBURG-ROWAN-
536 PM EDT THU JUL 24 2014

...STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN ROWAN...NORTH
CENTRAL MECKLENBURG...NORTHEASTERN LINCOLN...SOUTHEASTERN IREDELL...
SOUTHEASTERN CATAWBA AND NORTHWESTERN CABARRUS COUNTIES THROUGH 615
PM EDT...

AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MOORESVILLE TO
DENVER...MOVING SOUTHEAST AT 15 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  MOORESVILLE...
  MCGUIRE STATION...
  DAVIDSON...
  HUNTERSVILLE...
  ENOCHVILLE...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THESE STORMS.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3554 8036 3534 8072 3551 8116 3572 8081

KRENTZ
Special weather statement, Jul 24, 5:46 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
546 PM EDT THU JUL 24 2014

NCZ071-082-SCZ009-242230-
MECKLENBURG-UNION-YORK-
546 PM EDT THU JUL 24 2014

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL UNION AND
SOUTHWESTERN MECKLENBURG COUNTIES IN THE PIEDMONT OF NORTH
CAROLINA...AND NORTHEASTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA
THROUGH 630 PM EDT...

AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TEGA CAY...OR 7 MILES NORTH OF ROCK HILL...
MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  STEELE CREEK...
  FORT MILL...
  PINEVILLE...
  MARVIN...
  THE ARBORETUM...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3494 8079 3505 8089 3501 8090 3494 8086
      3494 8107 3503 8116 3513 8112 3518 8078
      3494 8073

KRENTZ
Local storm report, Jul 24, 5:50 PM EDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
550 PM EDT THU JUL 24 2014

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

0544 PM     TSTM WND DMG     N MORGANTON             35.74N 81.70W
07/24/2014                   BURKE              NC   FIRE DEPT/RESCUE

            TREES AND POWERLINES DOWN...ONE TREE ON A VEHICLE. WEST
            UNION ST AND BURKEMONT AVE

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 8:03 AM EDTSpecial Weather StatementGSPHaywood42 min
Jul 24, 1:13 PM EDTSpecial Weather StatementGSPCaldwell32 min
Jul 24, 2:13 PM EDTSpecial Weather StatementGSPHenderson32 min
Jul 24, 2:28 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson62 min
Jul 24, 3:26 PM EDTSpecial Weather StatementGSPPolk49 min
Jul 24, 3:58 PM EDTSpecial Weather StatementGSPPolk47 min
Jul 24, 4:16 PM EDTSpecial Weather StatementGSPCatawba, Lincoln44 min
Jul 24, 4:17 PM EDTSpecial Weather StatementGSPBurke43 min
Jul 24, 4:38 PM EDTSevere Thunderstorm WarningGSPUnion34 min
Jul 24, 4:44 PM EDTSpecial Weather StatementGSPHenderson46 min
Jul 24, 5:01 PM EDTSpecial Weather StatementGSPBurke44 min
Jul 24, 5:13 PM EDTSpecial Weather StatementGSPUnion47 min
Jul 24, 5:32 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell, Catawba39 min
Jul 24, 5:36 PM EDTSpecial Weather StatementGSPCabarrus39 min
Jul 24, 5:46 PM EDTSpecial Weather StatementGSPMecklenburg44 min
Jul 24, 5:54 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln28 min
Jul 24, 6:18 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell, Lincoln, Mecklenburg24 min
Jul 24, 6:39 PM EDTSpecial Weather StatementGSPBurke51 min
Jul 24, 6:43 PM EDTSpecial Weather StatementGSPMecklenburg47 min
Jul 24, 6:55 PM EDTSevere Thunderstorm WarningGSPBurke, Catawba, Lincoln39 min
Jul 24, 7:01 PM EDTSpecial Weather StatementGSPDavie44 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014Every severe thunderstorm warning in 2014

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.