Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 277, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 21, 2014, 5:01 PM EDT for Oconee County, Pickens County, South Carolina. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 21, 2014, 5:01 PM EDT (21:01 UTC)
- Expired
- Aug 21, 2014, 6:00 PM EDT
- In force
- 59 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 62 km from the middle of the area, began a volume at 21:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 219 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 525 J/kg
- Mixed-layer CIN
- -233 J/kg
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 21, 4:36 PM EDT, 25 minutes earlier.
Area forecast discussion, Aug 21, 4:36 PM EDT, 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
436 PM EDT THU AUG 21 2014
.SYNOPSIS...
A BROAD UPPER LEVEL RIDGE OF HIGH PRESSURE WILL CONTINUE TO PROVIDE
VERY WARM TEMPERATURES ACROSS THE REGION INTO SATURDAY. A BACK DOOR
COLD FRONT WILL THEN PUSH INTO THE AREA FROM NORTHEAST USHERING IN
COOLER TEMPERATURES STARTING SUNDAY.
&&
.NEAR TERM /THROUGH FRIDAY/...
AS OF 430 PM...LATEST CAM AND SYNOPTIC GUIDANCE NOT VERY BULLISH ON
CONVECTIVE CHANCES THIS AFTERNOON. ALL THE GUIDANCE SHOWS THE
CURRENT CONVECTION OVER THE BLUE RIDGE DISSIPATING IN THE MORE
STABLE AIR OVER THE FOOTHILLS AND PIEDMONT AS THE CONVECTION MOVES
SE. IN FACT...THEY ARE EVEN SUGGESTING THE CONVECTION OVER THE KY
AND WV WILL DISSIPATE AS IT MOVES SE TOWARD THE AREA. WILL NOT GO
THAT FAR...BUT WILL KEEP THE CURRENT POP TREND OF DIMINISHING THE
BLUE RIDGE POP AND INCREASING POP ACROSS THE NRN TIER FOR THE
CONVECTION TO OUR NW. THAT SAID...WOULD NOT BE SURPRISED IF POP IS
TRIMMED EVEN FURTHER AT THE 730 PM UPDATE IF THESE TRENDS CONTINUE.
OTHERWISE...UPDATES WERE FOR CURRENT CONDITIONS.
AS OF 215 PM EDT...A PROMINENT 500 MB RIDGE AXIS WILL PERSIST OVER
THE LENGTH OF THE MS RIVER VALLEY TONIGHT THROUGH FRI. CONVECTION
ARISING FROM IMPULSES RIDING OVER THE UPPER RIDGE HAS ALREADY FILLED
IN ON REGIONAL RADARS FROM SE KY TO WV THIS AFTN. HOWEVER...THE
CONVECTION ALLOWING MODELS STILL SHOW THE BEST AFTN TSTM TRIGGERING
OVER THE SRN MTNS WHERE LAPS SFC BASED CAPE VALUES ARE RUNNING 3000
TO 4000 J/KG. THEN...THE MESOSCALE MODELS DEPICT THE WEAK CONVECTIVE
SYSTEM TO THE N PASSING MAINLY NORTH OF THE AREA THIS EVENING. SOME
TRAILING CONVECTION FROM THIS NRN SYSTEM MAY BRUSH THE NRN TIER FROM
21Z TO 03Z. MAINLY MID AND HIGH DEBRIS CLOUDS SHOULD LINGER THROUGH
THE NIGHTTIME HOURS...WITH ANY FOG AND LOW CLOUD ISSUES CONFINED TO
THE SW MTN VALLEYS. EXPECT ANOTHER NIGHT OF MILD MINS...WITH MAINLY
LOW TO MID 60S IN THE MTNS AND AROUND 70 ELSEWHERE.
THE FLOW PATTERN BETWEEN THE RIDGE AND A NEW ENGLAND LOW PRES SYSTEM
WILL AMPLIFY ON FRI...WITH MORE NNW FLOW DEVELOPING ALONG THE
APPALACHIANS BETWEEN THESE FEATURES. THIS SHOULD BRING THE NRN TIER
OF THE FORECAST AREA A BIT MORE INTO THE PATH OF ANY UPSTREAM MCS
ACTIVITY FROM THE OH VALLEY LATE FRI. IN ADDITION...SFC BASED
INSTABILITY AND LAPSE RATES LOOK JUST A TOUCH MORE ROBUST FOR FRI
AFTN...BUT STILL RELATIVELY UNIMPRESSIVE FOR SEVERE WX COMPARED TO
UPSTREAM AREAS. OTHERWISE...WESTERLY DOWNSLOPING 850 MB FLOW THROUGH
THE PERIOD WILL MAKE IT A STRUGGLE TO GET MUCH CONVECTION GOING FROM
OTHER SOURCES...AND MAX TEMPS WILL LIKELY GAIN A DEGREE OR SO OVER
THU VALUES. SRN PIEDMONT HEAT INDEX VALUES COULD SURPASS 100 FRI
AFTN IF WE SEE SLIGHTLY LESS DEWPOINT MIXING.
&&
.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 210 PM THURSDAY...STRONG UPPER RIDGE WILL PERSIST OVER THE
MISS VALLEY THROUGH THE PERIOD...PLACING MUCH OF THE SOUTHEAST AND
MID-ATLANTIC WITHIN MODERATE N/NW UPPER FLOW. OUR AREA WILL
THEREFORE REMAIN SUSCEPTIBLE TO /RING OF FIRE/ CONVECTION DEVELOPING
NEAR QUASI-STATIONARY FRONTAL ZONE ACROSS THE OHIO VALLEY/CTRL
APPALACHIANS REGION...WHICH COULD DROP INTO THE CAROLINAS IN
SOMEWHAT ORGANIZED FASHION DURING THE AFTERNOON AND EVENING.
THERMODYNAMIC PROFILES WILL REMAIN SUFFICIENT TO SUPPORT ISOLATED
SEVERE WEATHER SATURDAY AFTERNOON/EVENING.
BY THE END OF THE PERIOD...THE FRONTAL ZONE MAY BEGIN TO BACK DOOR
ITS WAY INTO THE AREA BY EARLY SUNDAY...AS THE STILL-BUILDING UPPER
RIDGE BEGINS TO SQUEEZE THE DOWNSTREAM UPPER LOW OFF THE EAST
COAST...ALLOWING WEAK SURFACE RIDGING TO BUILD DOWN THE EASTERN
SEABOARD. THEREFORE...IN ADDITION TO THE CONTINUED THREAT OF
MIGRATION OF UPSTREAM CONVECTION INTO THE AREA...THE BACKDOOR FRONT
MAY PROVIDE AN ADDITIONAL FOCUS FOR CONVECTION ON SUNDAY. HOWEVER...
EXACTLY WHERE THE BEST CHANCES WILL OCCUR IS STILL SUBJECT OF
DEBATE...AS THE AIR NORTH OF THE BOUNDARY MAY BE TOO STABLE TO
SUPPORT MUCH IN THE WAY OF PRECIP CHANCES. THE HIGHEST POPS WILL BE
FAVORED ACROSS THE SOUTHWEST ZONES...WHERE CONFIDENCE IN ADEQUATE
INSTABILITY IS HIGHEST...AND A WEAK EASTERLY FLOW MAY PROVIDE AN
ADDITIONAL SOURCE OF LIFT NEAR THE BLUE RIDGE. TEMPS WILL REMAIN
ABOVE NORMAL UNTIL SUNDAY...WHEN MAXES WILL LIKELY BE BELOW NORMAL
UNDER MORE EXTENSIVE CLOUD COVER AND E/NE FLOW.
&&
.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 1230 PM THURSDAY...THE MEDIUM RANGE MODEL CONSENSUS PROVIDES
GOOD CONTINUITY FROM INHERITED FCST TO START OFF THE WORKWEEK. STILL
EXPECTING SFC RIDGING TO BE NOSED SSWD INTO THE CWFA WHILE UPPER
RIDGE AXIS BUILDS INTO THE EASTERN CONUS. SENSIBLE WX WILL FEATURE
MAX TEMPERATURES ABOUT 5 DEG F BELOW CLIMO WITH POSSIBLY A FEW
SHOWERS FORCED BY THE EASTERLY LLVL FLOW. SUPPRESSED ORIENTATION TO
AMOPSHERE LOOKS TO CONTINUE INTO TUESDAY WITH EFFECTIVELY MINIMAL
SHOWER CHANCES AND TEMPERATURES PERHAPS WARMING A FEW DEG F.
DEEPER LAYERED RIDGING IS PROGGED TO BREAK DOWN DURING THE LATTER
HALF OF THE PERIOD...ALLOWING TEMPERATURES TO CLIMB BACK TO NORMAL
AND PERHAPS THUNDERSTORM CHANCES RETURNING BY THURSDAY.
&&
.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
AT KCLT...THE MIXING OUT OF DEWPOINTS HAS LED TO A FAIRLY PALTRY
CUMULUS FIELD THIS AFTN. LATEST CAM AND SYNOPTIC GUIDANCE SHOWS NO
CONVECTION REACHING OR EVEN APPROACHING THE AIRFIELD THIS AFTERNOON
AND EVENING. THEREFORE...WILL KEEP JUST A LITTLE INCREASE IN VFR
CLOUDS THROUGH THE EVENING HOURS...TRANSITIONING TO MID AND HIGH
DEBRIS CLOUDS FOR THE OVERNIGHT. NW SFC WINDS EARLY ARE EXPECTED TO
TOGGLE TO WSW THIS EVENING AND THEN RETURN TO NW THROUGH FRIDAY
MORNING WITH SLOWLY IMPROVING MIXING. ANY CONVECTIVE CHANCES FOR NW
NC LOOK RELEGATED TO THE AFTN PERIOD FRI AND WILL NOT BE MENTIONED
IN THE CURRENT KCLT TAF THROUGH 18Z.
ELSEWHERE...LATEST CAM AND SYNOPTIC GUIDANCE SHOWS THE BLUE RIDGE
CONVECTION DIMINISHING AS IT MOVES SE INTO THE MORE STABLE FOOTHILLS
AND PIEDMONT THIS AFTERNOON AND EVENING. IN FACT...THE GUIDANCE ALSO
SHOWS THE CONVECTION TO THE NW OF THE AREA DISSIPATING BEFORE
REACHING THE AREA. FOR NOW...WILL KEEP THE VCTS AT KAVL/KHKY BASED
ON RADAR TRENDS...BUT THIS COULD BE OVERDONE. IF CURRENT TRENDS
HOLD...NO AMD WILL BE NEEDED FOR THE SC SITES AS CONVECTION
DISSIPATES. EXPECT MAINLY FEW TO SCT CUMULUS SOUTH...WITH LITTLE
MORE THEN BRIEF VFR CIGS ACROSS THE NRN TIER THROUGH EVENING...WITH
LINGERING MID AND HIGH DEBRIS CLOUDS OVERNIGHT. THE HIGH CLOUDS MAY
HELP TO CURTAIL FOG FORMATION...AND THE RELATIVELY DRY MIXING OF
DEWPOINTS THIS AFTN ALSO SUGGESTS THAT ANY IFR FOG WOULD BE CONFINED
TO JUST THE SW MTN RIVER VALLEYS NEAR DAYBREAK. WILL KEEP ALL TAFS
DRY ON FRI THROUGH 18Z. EXPECT MAINLY LIGHT W TO NW WINDS...BRIEFLY
GUSTY AT KAVL THIS AFTN...TOGGLING SW IN SC OVERNIGHT. WINDS WILL
COME UP FROM THE NW WITH MIXING THROUGHOUT ON FRI MORNING.
OUTLOOK...A SIMILAR PATTERN TO LATE THU IS EXPECTED FRI AFTN AND FRI
NIGHT...WITH MAINLY FAR NRN TIER SCT CONVECTION POSSIBLE. A BACKDOOR
COLD FRONT WILL SAG INTO THE REGION THROUGH THE WEEKEND...WITH
CHANCES OF RESTRICTIONS INCREASING AT KHKY AND KAVL. A MORE DIURNAL
PATTERN OF EARLY MORNING LOW CLOUDS/FOG AND SCATTERED AFTN TSTMS MAY
RETURN EARLY NEXT WEEK.
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% MED 72% 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 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...CSH
NEAR TERM...HG/RWH
SHORT TERM...JDL
LONG TERM...CSH
AVIATION...HG/RWHHazardous weather outlook, Aug 21, 10:21 AM EDT, 6 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1021 AM EDT THU AUG 21 2014 NCZ033-035>037-048>053-056>059-062>065-068>072-082-501>510-221430- AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD- BUNCOMBE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-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- 1021 AM EDT THU AUG 21 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS WESTERN NORTH CAROLINA THIS AFTERNOON...STARTING IN THE MOUNTAINS. CLUSTERS OF THUNDERSTORMS MOVING SOUTHEAST FROM THE OHIO VALLEY MAY THEN CROSS THE CENTRAL APPALACHIANS LATER IN THE DAY AND BRUSH THE SOUTHERN APPALACHIANS AND FOOTHILL AND PIEDMONT LOCATIONS MAINLY NORTH OF INTERSTATE 40 THROUGH MID EVENING. BRIEFLY HEAVY RAIN AND CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY THREATS...BUT A FEW STORMS MAY BE STRONG ENOUGH TO PRODUCE HAIL AND GUSTY WINDS. THE BEST CHANCE OF AN ISOLATED DAMAGING WIND GUST WOULD BE ACROSS THE NORTHERN TIER LATE IN THE DAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. GAZ010-017-018-026-028-029-SCZ001>014-019-221430- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 1021 AM EDT THU AUG 21 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE REGION THIS AFTERNOON INTO EARLY EVENING. A FEW STORMS MAY BE STRONG ENOUGH TO PRODUCE HAIL AND GUSTY WINDS...WITH THE BEST CHANCE IN AND NEAR THE MOUNTAINS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. GERAPETRITIS
In the hours before
Special weather statement, Aug 21, 3:33 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
333 PM EDT THU AUG 21 2014
NCZ505-506-212030-
EASTERN MCDOWELL-MCDOWELL MOUNTAINS-
333 PM EDT THU AUG 21 2014
...A STRONG THUNDERSTORM WILL AFFECT MCDOWELL COUNTY THROUGH 430 PM
EDT...
AT 331 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MARION...MOVING SOUTHEAST AT 5 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
LAKE JAMES...
MARION...
GLENWOOD...
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 3582 8206 3574 8190 3571 8187 3559 8183
3556 8183 3554 8185 3552 8197 3555 8200
3553 8203 3568 8220
CDGSpecial weather statement, Aug 21, 3:36 PM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
336 PM EDT THU AUG 21 2014
NCZ065-212030-
HENDERSON-
336 PM EDT THU AUG 21 2014
...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN HENDERSON COUNTY
THROUGH 430 PM EDT...
AT 334 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAUREL PARK...OR NEAR HENDERSONVILLE...
MOVING SOUTHEAST AT 5 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
HENDERSONVILLE...
FLAT ROCK...
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 3530 8233 3524 8236 3523 8235 3519 8236
3518 8237 3521 8239 3516 8245 3518 8246
3516 8251 3529 8260 3538 8247
CDGSpecial weather statement, Aug 21, 3:47 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
347 PM EDT THU AUG 21 2014
GAZ010-NCZ062-212045-
MACON-RABUN-
347 PM EDT THU AUG 21 2014
...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN MACON AND RABUN
COUNTIES THROUGH 445 PM EDT...
AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR DILLARD...OR 6 MILES NORTH OF CLAYTON...
MOVING SOUTHEAST AT 10 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
DILLARD...
MOUNTAIN CITY...
CLAYTON...
SMALL HAIL...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 3489 8366 3494 8360 3495 8356 3499 8356
3500 8353 3509 8359 3515 8350 3502 8312
3499 8310 3493 8312 3488 8323 3482 8327
3482 8331 3472 8335 3475 8343 3472 8348
3473 8352 3483 8360 3482 8366 3484 8367
CDGSpecial weather statement, Aug 21, 4:22 PM EDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
422 PM EDT THU AUG 21 2014
NCZ065-509-510-212115-
EASTERN POLK-HENDERSON-POLK MOUNTAINS-
422 PM EDT THU AUG 21 2014
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN POLK AND CENTRAL
HENDERSON COUNTIES THROUGH 515 PM EDT...
AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR HENDERSONVILLE...MOVING SOUTHEAST AT 15 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
FLAT ROCK...
TRYON...
DIME SIZE 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 3519 8214 3520 8228 3518 8237 3521 8239
3516 8245 3518 8246 3516 8252 3516 8255
3515 8258 3517 8259 3529 8261 3532 8263
3543 8247
CDGLocal storm report, Aug 21, 4:25 PM EDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EDT THU AUG 21 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0408 PM TSTM WND DMG 2 SE HENDERSONVILLE 35.30N 82.44W
08/21/2014 HENDERSON NC PUBLIC
A MAPLE TREE TIPPED OVER DURING STRONG WIND GUST.
0408 PM HAIL 2 SE HENDERSONVILLE 35.30N 82.44W
08/21/2014 E0.75 INCH HENDERSON NC PUBLIC
BRIEF DIME SIZED HAIL FELL ON SOUTHEAST SIDE OF
HENDERSONVILLE.
&&
OUTLAWSpecial weather statement, Aug 21, 4:49 PM EDT, 12 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 8:31 PM EDT | Special Weather Statement | GSP | Graham, Haywood, Madison, Swain | 59 min |
| Aug 20, 9:32 PM EDT | Special Weather Statement | GSP | Buncombe, Henderson, Jackson, Macon, Transylvania | 58 min |
| Aug 21, 3:33 PM EDT | Special Weather Statement | GSP | McDowell | 57 min |
| Aug 21, 3:36 PM EDT | Special Weather Statement | GSP | Henderson | 54 min |
| Aug 21, 4:19 PM EDT | Areal Flood Advisory | GSP | Henderson | 2 hr |
| Aug 21, 4:22 PM EDT | Special Weather Statement | GSP | Henderson | 53 min |
| Aug 21, 7:05 PM EDT | Special Weather Statement | GSP | Caldwell | 40 min |
| Aug 21, 7:15 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Caldwell, Catawba | 47 min |
| Aug 21, 7:40 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 65 min |
| Aug 21, 3:27 PM EDT | Special Weather Statement | GSP | Pickens | 63 min |
| Aug 21, 4:49 PM EDT | Special Weather Statement | GSP | Oconee | 56 min |
| Aug 21, 5:57 PM EDT | Special Weather Statement | GSP | Anderson | 48 min |
| Aug 21, 3:47 PM EDT | Special Weather Statement | GSP | Rabun | 58 min |
| Aug 21, 6:20 PM EDT | Special Weather Statement | GSP | Franklin | 55 min |
Nearby
Severe Thunderstorm Warnings in South 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.