Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 280, NWS Greenville-Spartanburg, SC

August 22, 2014Greenville County, South Carolina; Henderson County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 22, 2014, 4:41 PM EDT for Greenville County, South Carolina; Henderson County, North Carolina. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 22, 2014, 4:41 PM EDT (20:41 UTC)
Expired
Aug 22, 2014, 5:30 PM EDT
In force
49 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Henderson County, NC, Greenville County, SC

The radar

The Greer radar (KGSP), 40 km from the middle of the area, began a volume at 20:43 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.

Did it verify

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

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 259 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 2014-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1425 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 2014-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
1425 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1115 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-21 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.

964 
WUUS52 KGSP 222041
SVRGSP
NCC089-SCC045-222130-
/O.NEW.KGSP.SV.W.0280.140822T2041Z-140822T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
441 PM EDT FRI AUG 22 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL HENDERSON COUNTY IN WESTERN NORTH CAROLINA...
  NORTHERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 530 PM EDT

* AT 439 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
  JONES GAP STATE PARK...OR 12 MILES SOUTHEAST OF BREVARD...AND
  MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  HIGHWAY 25 AT HIGHWAY 11 AND MARIETTA.
  TIGERVILLE.

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 3498 8254 3501 8254 3501 8260 3505 8260
      3507 8258 3505 8274 3506 8276 3510 8269
      3513 8268 3512 8266 3514 8258 3520 8260
      3525 8252 3512 8222 3493 8252
TIME...MOT...LOC 2041Z 309DEG 12KT 3515 8253

$$

CDG
2 follow-up statements
020 
WWUS52 KGSP 222107
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
507 PM EDT FRI AUG 22 2014

NCC089-SCC045-222130-
/O.CON.KGSP.SV.W.0280.000000T0000Z-140822T2130Z/
HENDERSON NC-GREENVILLE SC-
507 PM EDT FRI AUG 22 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
GREENVILLE AND SOUTH CENTRAL HENDERSON COUNTIES UNTIL 530 PM EDT...

AT 505 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
JONES GAP STATE PARK...OR 14 MILES SOUTHEAST OF BREVARD...MOVING
SOUTHEAST AT 5 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  HIGHWAY 25 AT HIGHWAY 11.
  MARIETTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM 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 3501 8254 3501 8260 3503 8258 3505 8260
      3507 8258 3505 8274 3506 8276 3510 8269
      3513 8268 3512 8266 3514 8258 3520 8260
      3523 8255 3508 8228 3493 8252
TIME...MOT...LOC 2107Z 330DEG 10KT 3510 8255

$$

CDG
183 
WWUS52 KGSP 222125
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
525 PM EDT FRI AUG 22 2014

NCC089-SCC045-222135-
/O.EXP.KGSP.SV.W.0280.000000T0000Z-140822T2130Z/
HENDERSON NC-GREENVILLE SC-
525 PM EDT FRI AUG 22 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GREENVILLE AND
SOUTH CENTRAL HENDERSON COUNTIES WILL EXPIRE AT 530 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

LAT...LON 3501 8254 3501 8260 3503 8258 3505 8260
      3507 8258 3505 8274 3506 8276 3510 8269
      3513 8268 3512 8266 3514 8258 3520 8260
      3523 8255 3508 8228 3493 8252
TIME...MOT...LOC 2125Z 330DEG 10KT 3506 8252

$$

CDG

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 Aug 22, 4:30 PM EDT, 11 minutes earlier.

Area forecast discussion, Aug 22, 4:30 PM EDT, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
430 PM EDT FRI AUG 22 2014

.SYNOPSIS...
A BROAD UPPER LEVEL RIDGE OF HIGH PRESSURE WILL CONTINUE TO BRING
VERY WARM TEMPERATURES TO MUCH OF THE REGION INTO SATURDAY. A BACK
DOOR COLD FRONT WILL THEN PUSH INTO THE AREA FROM NORTHEAST USHERING
IN COOLER TEMPERATURES STARTING SUNDAY. TEMPERATURES WILL GRADUALLY
RETURN TO NORMAL THROUGH NEXT WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
AS OF 425 PM...CONVECTION DEVELOPING MUCH SLOWER THAN FORECAST
ACROSS THE AREA. LIKELY DUE TO LACK OF TRIGGER AND VERY HIGH LFC
VALUES. HAVE SLOWED THE ONSET OF SCT COVERAGE A COUPLE OF HOURS BUT
LEFT ISOLATED IN PLACE GIVEN THE ISOLATED COVERAGE NOW DEVELOPING.
WITH VERY HIGH DCAPE VALUES IN PLACE OVER THE AREA...ANY STORMS THAT
FORM WILL HAVE THE POTENTIAL FOR STRONG TO EVEN SVR DOWNBURST WINDS.
THAT SAID...WITH RELATIVELY LOW SHEAR VALUES...ANY SVR STORMS SHUD
REMAIN ISOLATED WITH LITTLE ORGANIZATION. STILL EXPECT BETTER
COVERAGE LATER WHEN MCS ACTIVITY APPROACHES...SO NO CHANGES TO LATER
POP. OTHERWISE...UPDATES FOR CURRENT CONDITIONS.

AS OF 225 PM EDT...WATER VAPOR IMAGERY SHOWS CONVECTION DEVELOPING
ALL AROUND THE RING OF FIRE THAT STRETCHES FROM KANSAS TO IL TO WEST
VIRGINIA AROUND THE STRONG CENTRAL CONUS RIDGE. LITTLE TO NO UPPER
LEVEL TRIGGERING HAS BEEN PRESENT IN OUR FORECAST AREA...AND IT MAY
TAKE A RUN FROM AN UPSTREAM MCS SEGMENT TO PRODUCE MUCH COVERAGE.
THE AMPLIFYING UPPER RIDGE IS COOPERATING IN THIS REGARD BY TURNING
DEEP LAYER STEERING FLOW MORE NWLY TO NRLY WITH TIME. IN ADDITION...
DECENT HEATING ALONG AND SOUTH OF THE INTERSTATE 40 CORRIDOR...ALONG
WITH DEWPOINTS PERSISTING IN THE UPPER 60S IN MOST LOCATIONS...HAS
GENERATED SFC BASED CAPE VALUES OF NEARLY 3000 J/KG TO HELP PRIME
THE AREA. THE BEST CONSENSUS OF SOLUTIONS IS AN MCS RUNNING SE FROM
KY TO REACH OUR FORECAST AREA CLOSE TO 00Z AND TRANSITING A PORTION
OF THE REGION N TO S BEFORE DISSIPATING BY AROUND 06Z. WILL THUS
FEATURE HIGH CHANCE TO NEAR LIKELY NRN TIER POPS FOR THE
EVENING...AND DIMINISH SWD...WITH JUST LINGERING WRN NC POPS FOR ANY
ADDITIONAL WEAK OVERNIGHT ACTIVITY IN THE NW STEERING FLOW. EXPECT
SULTRY MINS IN THE UPPER 60S IN THE MTN VALLEYS TO LOWER 70S EAST.

A BACKDOOR FRONTAL BOUNDARY WILL MAKE STEADY PROGRESS IN OUR
DIRECTION FROM THE NE ON SAT...BUT WITH ANY REAL THICKNESS FALLS
DELAYED UNTIL AFTER THE NEAR TERM PERIOD. NRLY FLOW AND MORE CLOUDS
WILL ALLOW MAX TEMPS TO FALL A COUPLE OF DEGREES OR MORE DESPITE THE
CONTINUED WARM LOW LEVEL THICKNESSES. ANOTHER RUN OF ORGANIZED
CONVECTION WILL BE POSSIBLE SAT AFTN AS ACTIVITY MOVES SOUTHEAST
ALONG THE BACKDOOR FRONT. IN ADDITION...PRECIPITABLE WATER WILL POOL
ABOVE 2 INCHES ACROSS THE REGION BY SAT AFTN. HOWEVER...THERE SHOULD
BE ENOUGH NRLY STEERING FLOW TO KEEP THE HEAVIER RAIN ELEMENTS
MOVING. ANY TRAINING OF THUNDERSTORMS WOULD BE THE PRIMARY HYDRO
CONCERN SAT AFTN. LAPSE RATES WILL ACTUALLY BE STEEPER IN SW
SECTIONS...BUT THE COVERAGE MIGHT BE BETTER IN THE NRN TIER CLOSER
TO THE FORCING AND WEAK MCS TRACKS. SHOTGUN PM CHANCES POPS SEEMS
REASONABLE THROUGHOUT.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AS OF 1245 PM FRIDAY...THE INHERITED MAGNITUDE OF THE EXPECTED
COOLDOWN FOR SUNDAY REMAINS ON TRACK WITH THE EXPECTATION OF SFC
RIDGE BUILDING SWWD IN THE CWFA. ACCOMPANYING LLVL EASTERLY FLOW
CONTINUES TO PROMISE UNSETTLED WX...ESPECIALLY ACRS THE MTNS/FTHLS
WHERE THE INSTABILITY WILL BECOME INCREASINGLY CONFINED TO. AN
INFLUX OF DRIER AIR...FROM NE TO SW ACRS THE REGION...IS PROGGED FOR
SUNDAY NIGHT AND PRECIP CHANCES WILL WANE ACCORDINGLY. DEEPER
LAYERED RIDGING AND DRY AIR ATOP THE CWFA SHOULD PROVIDE QUIET WX
CONDITIONS WITH MAX TEMPERATURES SVRL CATEGORIES BELOW CLIMO ON
MONDAY. CLOSER TO THE LLVL RIDGE PERIPHERY...SLIGHT CHANCES FOR
DIURNAL DEEP CONVECTION WILL BE CONFINED TO THE SW NC/N GA MTNS.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 230 PM EDT FRIDAY...LATEST GLOBAL MODELS CONTINUE TO INDICATE
THAT A SURFACE WEDGE OF HIGH UNDERNEATH A PERSISTING UPPER RIDGE OF
HIGH ACROSS THE SOUTHEAST STATES WILL KEEP CONDITIONS RELATIVELY DRY
AND COOL MON NIGHT INTO WED. BY WED NIGHT...THE UPPER PATTERN WILL
FLATTEN OUT AS AN UPPER TROUGH APPROACHES FROM THE CENTRAL CONUS.
THE GFS SUGGESTS THAT THE TROUGH AND AN ASSOCIATED COLD FRONT WILL
PUSH THROUGH THE REGION THU AFTERNOON INTO FRI WHILE THE OLD ECMWF
STALLS OUT THE FRONT JUST TO OUR NORTH. AT ANY RATE...INCREASING
MOIST RETURN FLOW AND MARGINAL BUOYANCY ALOFT ARE SUPPORTIVE OF
LOW END CHANCE FOR CONVECTION DURING THIS PERIOD. TEMPS WILL STAY
3-5 DEGREES BELOW NORMAL ON TUE AND AROUND NORMAL WED THRU FRI.

&&

.AVIATION /21Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...CELL GOING UP NEAR THE AIRPORT HAD SOME IN-CLOUD
LIGHTNING...SO DID A QUICK AMD FOR TSRA AND AN AWW FOR CG STRIKES.
OTHERWISE...STILL EXPECT ONLY ISOLATED COVERAGE THRU THE AFTERNOON.
ANY PRECIPITATION MENTION GOING FORWARD WILL BE ASSOCIATED WITH
DECAYING MCS ACTIVITY ARRIVING FROM THE NW THIS EVENING. SINCE
THUNDER IS QUESTIONABLE DEPENDING ON HOW QUICKLY THE SYSTEM
DISSIPATES...WILL ADVERTISE ONLY VCSH AT THIS POINT.
OTHERWISE...EXPECT NW WINDS THIS AFTN TO TOGGLE WSW WITH WEAK LEE
TROUGHING THROUGH THE EVENING HOURS...RETURNING TO NW OR NRLY
OVERNIGHT INTO SAT. MAINLY SCT CUMULUS ARE EXPECTED EARLY...BUT WITH
MOISTURE INCREASING IN NRLY FLOW TO PERMIT VFR CIGS TO DEVELOP
TONIGHT AND PERSIST SAT WITH AN APPROACHING BACKDOOR COLD FRONT.

ELSEWHERE...SIMILAR TO KCLT...WILL HAVE TO WATCH THE ISOLATED TSRA
THIS AFTERNOON FOR ANY AMD. THEN...ALL EYES WILL BE ON CONVECTIVE
ACTIVITY DEVELOPING FROM TN TO ERN KY TO WV TO SEE WHAT CAN RUN INTO
OR NEAR THE TERMINAL FORECAST AREA THIS EVENING. IT STILL APPEARS
THE BEST CHANCE OF VCTS WILL RANGE FROM AS EARLY AS 22Z IN THE FAR
NRN TIER TO PERHAPS AS LATE AS 06Z IN FAR SRN SECTIONS. EXPECT
MAINLY NW FLOW IN WRN NC...TURNING MORE NRLY WITH TIME. WINDS MAY
BRIEFLY TOGGLE WSW OR SW IN THE UPSTATE WITH WEAK LEE
TROUGHING...BUT WITH A RETURN TOWARD NRLY OVERNIGHT INTO SAT.
MOISTURE WILL INCREASE IN THE NRLY FLOW THROUGH THE MORNING ON
SAT...WITH VFR CIGS LIKELY AS A BACKDOOR COLD FRONT APPROACHES. ANY
FOG AT KAVL AT DAYBREAK SHOULD BE MVFR AT WORST.

OUTLOOK...A BACKDOOR COLD FRONT WILL SAG INTO THE REGION THROUGH THE
WEEKEND...WITH CHANCES OF RESTRICTIONS INCREASING AT KHKY AND KAVL
THROUGH SUNDAY. A MORE DIURNAL PATTERN OF EARLY MORNING LOW
CLOUDS/FOG AND ISOLD AFTN TSTMS MAY RETURN EARLY NEXT WEEK...WITH
STEADY DRYING.

CONFIDENCE TABLE...

            20-02Z        02-08Z        08-14Z        14-20Z
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  95%     HIGH 100%
KGMU       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%

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...JOH
NEAR TERM...HG/RWH
SHORT TERM...CSH
LONG TERM...JOH
AVIATION...HG/RWH
Hazardous weather outlook, Aug 22, 11:22 AM EDT, 5 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1122 AM EDT FRI AUG 22 2014

GAZ010-017-018-026-028-029-NCZ051-058-059-062-063-SCZ001>014-019-
231530-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1122 AM EDT FRI AUG 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...EXTREME
SOUTHWEST NORTH CAROLINA...AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS THE AREA THIS AFTERNOON AND EVENING. CLOUD TO GROUND
LIGHTNING WILL BE THE PRIMARY THREAT WITH THESE STORMS.
HOWEVER...A FEW STORMS COULD PRODUCE DAMAGING WIND GUSTS AND
POSSIBLY HAIL. THERE IS SOME POTENTIAL THAT A WEAKENING LINE OF
THUNDERSTORMS COULD APPROACHING THE REGION FROM THE NORTH LATE
THIS EVENING INTO THE EARLY OVERNIGHT HOURS. GUSTY WINDS WOULD BE
THE MAIN THREAT IF THAT MATERIALIZES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

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

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

NCZ033-035>037-048>050-052-053-056-057-064-065-068>072-082-501>510-
231530-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-TRANSYLVANIA-HENDERSON-CLEVELAND-LINCOLN-
GASTON-MECKLENBURG-CABARRUS-UNION NC-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-
POLK MOUNTAINS-EASTERN POLK-
1122 AM EDT FRI AUG 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOST OF WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS MAY DEVELOP THIS AFTERNOON AND
EVENING...ESPECIALLY ALONG AND NORTH OF INTERSTATE 40 IN WESTERN
NORTH CAROLINA. CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY
THREAT WITH THESE STORMS. HOWEVER...A FEW STORMS COULD PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL. IT IS POSSIBLE THAT AN
ORGANIZED LINE OF THUNDERSTORMS COULD DEVELOP OVER THE OHIO VALLEY
OR EASTERN KENTUCKY EARLY THIS EVENING. STEERING WINDS COULD
BRING THE STORMS ACROSS WESTERN NORTH CAROLINA DURING THE MID TO
LATE EVENING HOURS. IF THIS SCENARIO DEVELOPS...THE POTENTIAL FOR
DAMAGING WINDS WILL INCREASE ACROSS THE CENTRAL AND NORTHERN NORTH
CAROLINA MOUNTAINS...AS WELL AS THE ADJACENT FOOTHILLS AND
POSSIBLY THE PIEDMONT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

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

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

HG

In the hours before

Special weather statement, Aug 22, 4:00 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
400 PM EDT FRI AUG 22 2014

NCZ082-222100-
UNION-
400 PM EDT FRI AUG 22 2014

...A STRONG THUNDERSTORM WILL AFFECT EASTERN UNION COUNTY IN THE
PIEDMONT OF NORTH CAROLINA THROUGH 500 PM EDT...

AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 9 MILES SOUTHEAST OF MIDLAND...OR 15 MILES
NORTHEAST OF MONROE...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MARSHVILLE...

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

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 3482 8031 3481 8032 3481 8033 3518 8051
      3519 8049 3517 8044 3518 8037 3517 8035
      3520 8029 3519 8027

CDG
Special weather statement, Aug 22, 4:04 PM EDT, 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
404 PM EDT FRI AUG 22 2014

NCZ070-071-SCZ009-222100-
GASTON-MECKLENBURG-YORK-
404 PM EDT FRI AUG 22 2014

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN YORK...SOUTHWESTERN
MECKLENBURG AND SOUTHEASTERN GASTON COUNTIES THROUGH 500 PM EDT...

AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR BELMONT...OR 9 MILES EAST OF GASTONIA...
MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  I-85 AT FREEDOM DRIVE...
  STEELE CREEK...
  FREEDOM PARK...
  CAROWINDS...
  PINEVILLE...

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

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 3499 8102 3525 8117 3534 8098 3510 8075

CDG
Special weather statement, Aug 22, 4:20 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
420 PM EDT FRI AUG 22 2014

NCZ064-065-SCZ003-006-222115-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-HENDERSON-TRANSYLVANIA-
420 PM EDT FRI AUG 22 2014

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN GREENVILLE...EAST
CENTRAL TRANSYLVANIA AND SOUTH CENTRAL HENDERSON COUNTIES THROUGH 515
PM EDT...

AT 418 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR DUPONT STATE FOREST...OR 9 MILES EAST OF
BREVARD...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  CAESARS HEAD...
  JONES GAP STATE PARK...
  HIGHWAY 25 AT HIGHWAY 11...

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

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 3497 8254 3501 8254 3501 8260 3503 8258
      3505 8260 3507 8257 3506 8264 3520 8274
      3529 8253 3512 8222 3508 8222 3490 8250

CDG
Special weather statement, Aug 22, 4:32 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
432 PM EDT FRI AUG 22 2014

NCZ071-222115-
MECKLENBURG-
432 PM EDT FRI AUG 22 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN MECKLENBURG COUNTY
THROUGH 515 PM EDT...

AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FREEDOM PARK...OR NEAR CENTER CITY
CHARLOTTE...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  SOUTHPARK MALL...
  MCALPINE CREEK PARK...
  THE ARBORETUM...
  MATTHEWS...

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

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 3503 8077 3503 8080 3500 8084 3510 8094
      3518 8099 3529 8096 3533 8082 3526 8065
      3521 8055

CDG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 4:20 PM EDTSpecial Weather StatementGSPGreenville55 min
Aug 22, 5:27 PM EDTSpecial Weather StatementGSPGreenville48 min
Aug 21, 8:26 PM EDTSpecial Weather StatementGSPRowan64 min
Aug 22, 4:00 PM EDTSpecial Weather StatementGSPUnion60 min
Aug 22, 4:04 PM EDTSpecial Weather StatementGSPMecklenburg56 min
Aug 22, 4:32 PM EDTSpecial Weather StatementGSPMecklenburg43 min
Aug 22, 6:35 PM EDTSpecial Weather StatementGSPCatawba40 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2014Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.