Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 8, NWS Greenville-Spartanburg, SC

April 9, 2015Greenville County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 9, 2015, 4:45 PM EDT for Greenville County, Laurens County, South Carolina. It was in force for 30 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
Apr 9, 2015, 4:45 PM EDT (20:45 UTC)
Expired
Apr 9, 2015, 5:15 PM EDT
In force
30 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Greenville County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 18 km from the middle of the area, began a volume at 20:47 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.8 hours before the alert went out and 255 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 2015-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2015-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
537 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

229 
WUUS52 KGSP 092045
SVRGSP
SCC045-059-092115-
/O.NEW.KGSP.SV.W.0008.150409T2045Z-150409T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
445 PM EDT THU APR 9 2015

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LAURENS COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 515 PM EDT

* AT 444 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 MAULDIN...OR 7
  MILES SOUTHWEST OF FOUNTAIN INN...AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SIMPSONVILLE...FOUNTAIN INN...FORK SHOALS...AND PRINCETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN A FEW TREES AND POWER LINES. 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 3461 8243 3487 8223 3485 8223 3480 8216
      3480 8217 3478 8215 3478 8213 3475 8212
      3476 8211 3474 8208 3472 8208 3472 8207
      3470 8207 3468 8204 3450 8227
TIME...MOT...LOC 2044Z 218DEG 33KT 3462 8229 

$$

MOORE
1 follow-up statement
283 
WWUS52 KGSP 092058
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 PM EDT THU APR 9 2015

SCC045-059-092115-
/O.CON.KGSP.SV.W.0008.000000T0000Z-150409T2115Z/
LAURENS SC-GREENVILLE SC-
458 PM EDT THU APR 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHWESTERN LAURENS AND SOUTHEASTERN GREENVILLE COUNTIES...

AT 457 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 8 MILES SOUTHEAST OF MAULDIN...OR OVER
FOUNTAIN INN...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
SIMPSONVILLE...AND FOUNTAIN INN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN A FEW TREES AND POWER LINES. 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 3465 8232 3485 8223 3480 8216 3480 8217
      3478 8215 3478 8213 3475 8212 3476 8211
      3474 8208 3472 8208 3472 8207 3470 8207
      3460 8221
TIME...MOT...LOC 2057Z 219DEG 32KT 3470 8220 

$$

MOORE

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 Apr 9, 2:54 PM EDT, 1 hour 51 minutes earlier.

Area forecast discussion, Apr 9, 2:54 PM EDT, 1 hour 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
254 PM EDT THU APR 9 2015

.SYNOPSIS...
COINCIDENT WITH THE PASSAGE OF A COLD FRONT...A ROUND OF SHOWERS
AND THUNDERSTORMS IS PROBABLE THROUGH FRIDAY. DRY HIGH PRESSURE
WILL THEN BUILD ATOP THE REGION THIS WEEKEND. MOISTURE RETURNS TO
THE AREA EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH FRIDAY NIGHT/...
AS OF 250 PM...A HEALTHY CU FIELD...ORGANIZED IN STREETS...
EXISTED ACROSS THE FORECAST AREA. LATEST WATER VAPOR INDICATED A
WEAK DISTURBANCE MOVING EAST OUT OF EASTERN TN/NRN GA...WITH
ENHANCED CU ALONG THE LEADING EDGE. THE LATEST SPC MESOSCALE
ANALYSIS SHOWED A BAND OF SBCAPES OF 2000-2500 J/KG WITH LITTLE TO
NO CIN. IT APPEARS THAT A SUMMER-TYPE CONVECTION SCENARIO MAY PLAY
OUT ACROSS THE REGION THIS AFTERNOON AND EVENING. BASED ON THE
RATE OF CU DEVELOPMENT AND RADAR TRENDS...CONVECTION WILL INITIATE
OVER THE EAST FACING SLOPES OF THE MTNS DURING THE MID
AFTERNOON...THEN TRACK EAST ACROSS THE FOOTHILLS. CAMS SEEM TO
SUPPORT THIS PROCESS EVOLVING THROUGH THE EVENING HOURS...AND
FOCUS THE MOST COVERAGE ACROSS THE NC FOOTHILLS THROUGH THIS
EVENING. IT CERTAIN APPEARS THAT BASED ON AMOUNT OF CAPE AND
TIMING OF MID LEVEL DISTURBANCE...COVERAGE WILL FAVOR THE NC
FOOTHILLS. I WILL HIGHLIGHT WITH CATE POPS ACROSS THE NRN MTNS
EAST ACROSS THE UNIFOUR...LIKELY POPS ACROSS THE RIDGES...WITH
SOLID CHC POPS ELSEWHERE. CORE HEIGHTS WOULD LIKELY NEED CORES
AROUND 23.5 KFT...ESPECIALLY WITHIN AREAS OF DCAPE >1000 J/KG. WE
WILL CONTINUE TO HIGHLIGHT SVR STORMS IN THE HWO.

TONIGHT...CLUSTERS OF TSRA SHOULD PUSH EAST OF THE REGION BY
MIDNIGHT. MESOSCALE MODELS INDICATE THAT THE BL WILL COOL WITH THE
ARRIVAL OF A SEA BREEZE...CURRENTLY SEEN PUSHING EAST OF THE
SATELLITE. IF THE SEA BREEZE ARRIVES AS GUIDANCE INDICATES...CAPE
VALUES WILL DECREASE RAPIDLY TONIGHT. I EXPECT SCT SHRA/TSRA
TONIGHT...BUT WITH LITTLE SUPPORT AND STRUCTURE. TONIGHT...LOWS WILL
REMAIN MILD...GENERALLY IN THE L60S ACROSS THE MTNS TO MID 60S EAST.

FRIDAY...THE MAIN CONCERN IS THE ARRIVAL OF FRONTAL
SHOWERS/THUNDERSTORMS AROUND SUNRISE. CONVECTION ALLOWING MODELS
INDICATE THAT A BAND MAY EXHIBIT SOME BOWING AS IT ARRIVES ALONG THE
TN BORDER AROUND 12Z. HOWEVER...CAPES BELOW 500 J/KG AND H85 FLOW
FROM THE SW...UPDRAFTS SHOULD STRUGGLE TO SURVIVE THE EASTERN PUSH
ACROSS THE MTNS. I WILL INDICATE POPS PEAKING AROUND 90-100 PERCENT
ACROSS THE TN BORDER COUNTIES AT DAYBREAK...THEN FALLING THROUGH MID
DAY. AS THE REMNANT BAND PUSHES ACROSS THE PIEDMONT DURING THE
AFTERNOON...UPDRAFTS WILL LIKELY STRENGTHEN AND BEGIN TO SUPPORT
ANOTHER BAND ON CONVECTION. STORM MOTIONS WILL SHOULD INCREASE TO
AROUND 25 M/S. POPS WILL INCREASE ALONG AND EAST OF I-85 TO LIKELY
TO CATE DURING THE AFTERNOON. THE AFTERNOON BAND MAY PRODUCE A FEW
SVR WIND AND HAIL EVENTS. HIGH TEMPERATURES SHOULD RANGE FROM THE
MID 70S WITHIN THE MTN VALLEYS TO LOW 80S EAST.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
AS OF 245 PM THURSDAY...THE COLD FRONT WILL BE EXITING THE AREA BY
THE BEGINNING OF THE SHORT TERM /00Z SATURDAY/. WILL PROBABLY HAVE
SOME LINGERING THUNDER POTENTIAL BUT ONLY IN EXTREME SOUTHEAST ZONES
THROUGH 03-06Z BUT EXPECT A FAIRLY RAPID CLEARING TREND BEHIND THE
FRONT. HOWEVER...AT 00Z SATURDAY...BOTH NAM AND GFS STILL HAVE SOME
LINGERING SBCAPE VALUES ACROSS THOSE SOUTHEASTERN PIEDMONT ZONES
/MORE IMPRESSIVE ON THE GFS WHERE SBCAPE VALUES ARE UPWARDS OF 1000
J/KG/...BUT BEST INSTABILITY BY THIS TIME HAS PUSHED FARTHER EAST
INTO THE EASTERN PIEDMONT AND TOWARDS THE COASTAL PLAIN. WITH
LINGERING DEEP-LAYER SHEAR...BETWEEN 40-60KT 0-6KM /0-1KM SHEAR LESS
THAN 30KT/...ASSOCIATED WITH THE UPPER SYSTEM ITSELF HOWEVER...
COULD STILL SEE SOME STRONG STORMS

DEEP UPPER TROUGH THAT PUSHES THE FRONT THROUGH WILL ALSO BE
LIFTING INTO NORTHEAST CANADA BY THEN...WITH SURFACE HIGH PRESSURE
OVER THE MID-MISSISSIPPI VALLEY BEGINNING TO RIDGE INTO THE SOUTHERN
APPALACHIANS IN THE WAKE OF THE FRONT. FLOW ALOFT TRANSITIONS TO
NEARLY ZONAL BEHIND THE TROUGH SO CAA IS NOT AS IMPRESSIVE AS IT
OTHERWISE MIGHT BE WITH OVERALL A WEAKENING TREND IN THE STRENGTH OF
THE CAA AS THE FRONT CROSSES THE APPALACHIANS. BUT STILL A VERY
NOTICEABLE DIFFERENCE IN TEMPERATURES EXPECTED WITH HIGHS SATURDAY
EXPECTED TO BE QUITE A BIT CLOSER TO SEASONAL NORMALS /BUT STILL A
DEGREE OR TWO ABOVE/. THE COOLING TREND CONTINUES SATURDAY NIGHT
INTO SUNDAY WITH OVERALL A VERY PLEASANT WEEKEND IN STORE FOR THE
AREA UNDER CLEAR SKIES...THOUGH WE WILL PROBABLY BEGIN TO SEE AN
INCREASE IN SKY COVER AT THE VERY END OF THE PERIOD AHEAD OF THE
SYSTEM APPROACHING IN THE EXTENDED.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
THE TREND TOWARD AN UNSETTLED PATTERN NEXT WEEK REMAINS ON TRACK
WITHIN THE PROGGED DEVELOPING SPLIT FLOW REGIME. MEDIUM RANGE MODEL
CONSENSUS AND OBJECTIVE GUIDANCE DEPICT INCREASING CONFIDENCE FOR
SHOWER CHANCES BECOMING MORE PROBABLE WITH TIME AS MONDAY WEARS ON.
THE MOISTENING GULF AND ATLANTIC FETCH LOOKS TO CONTINUE INTO
TUESDAY AS WELL WHERE POPS WILL BE BUMPED UP INTO A MORE SOLID
RANGE. DESPITE THE EXPECTED CLOUDS AND SHOWERS...TEMPERATURES WILL
BE CLOSE TO CLIMO...ESPECIALLY WHEN FAVORING THE HIGHER HEIGHTS AS
SHOWN ON THE ECMWF...KEEPING THE FRONTAL ZONE AND COOLER AIR NORTH
OF THE CWFA.

DURING THE LATTER HALF OF THE PERIOD...CONFIDENCE ON THE STRENGTH
AND/OR ORIENTATION OF EASTERN CONUS DAMMING HIPRES IS LOW...SO
WILL NOT DEVIATE MUCH FROM CLIMO WITH RESPECT TO TEMPERATURES...BUT
SOLID PCPN CHANCES WILL BE MAINTAINED FOR BOTH WEDNESDAY AND NEXT
THURSDAY.

&&

.AVIATION /19Z THURSDAY THROUGH TUESDAY/...
AT KCLT...SCT TO BKN CLOUD STREETS WILL CONTINUE TO TRACK ACROSS THE
TERMINAL THIS AFTERNOON. ISOLATED SHOWERS MAY DEVELOP AROUND THE
TERMINAL THROUGH MID AFTERNOON...BUT COVERAGE APPEARS TO LIMITED TO
MENTION IN THE TAF. AT 1737Z...WATER VAPOR IMAGE INDICATED A WEAK
DISTURBANCE RIPPLING ACROSS EASTERN TN/NRN GA. I EXPECTED THAT
COVERAGE WILL DEVELOP AS CONDITIONS CONTINUE TO DESTABILIZE ACROSS THE
REGION LATE THIS AFTERNOON AND EARLY EVENING AND THE DISTURBANCE
APPROACHES. BASED ON THE TIMING OF THE FEATURE...I WILL INDICATE A
TEMPO FOR TSRA FROM 23Z TO 3Z. AFTER 3Z...TSRA CLUSTERS SHOULD PUSH
EAST OF THE REGION....LEAVING SCT TO BKN MID LEVEL CLOUDS AND STEADY
SSW WINDS. SHORT AFTER SUNRISE FRIDAY...MIXING SHOULD SUPPORT GUSTS
INTO THE TEENS. GUIDANCE INDICATES THAT A BAND OF SHRA/TSRA
ASSOCIATED WITH A COLD FRONT COULD PUSH ACROSS THE REGION BETWEEN
14Z TO 16Z...I WILL HIGHLIGHT WITH A PROB30.

ELSEWHERE...OVERALL...CONDITIONS WILL GENERALLY FOLLOW THE CLT
DISCUSSION. HOWEVER...KAVL SHOULD SEE VCSH OR VCTS AROUND THE
TERMINAL BY 20Z...BASED ON THE APPROACH OF ENHANCED CU. CAMS
INDICATE THAT COVERAGE WILL REMAIN GENERALLY SCT ACROSS THE
PIEDMONT. HOWEVER...A FEW SOLUTIONS INDICATE THAT COVERAGE WILL
BECOME THE GREATEST ACROSS THE NC FOOTHILLS EARLY THIS EVENING. I
WILL HIGHLIGHT THE KHKY TAF WITH A TEMPO FROM 22Z TO 2Z. CONDITION
ARE EXPECTED TO REMAIN VFR OVERNIGHT WITH STEADY SSW WINDS.
HOWEVER...A BAND OF SHRA/TSRA ASSOCIATED WITH A APPROACHING COLD
FRONT IS EXPECTED TO SWEEP ACROSS THE REGION DURING THE EARLY
DAYLIGHT HOURS ON FRIDAY. I WILL HIGHLIGHT EACH TAF WITH A
PROB30...WILL USE A TEMPO AT KAVL.

OUTLOOK...A DRY AIR MASS WILL PROVIDE VFR CONDITIONS ACROSS THE
REGION THIS WEEKEND. MOISTURE WILL SURGE ACROSS THE WESTERN
CAROLINAS ON MONDAY AND MAY LINGER INTO THE MIDDLE TO LATE WORK WEEK.

CONFIDENCE TABLE...

            19-01Z        01-07Z        07-13Z        13-18Z
KCLT       HIGH 100%     HIGH 100%     HIGH  91%     HIGH  96%
KGSP       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  96%
KAVL       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  93%
KHKY       HIGH  82%     HIGH 100%     MED   77%     HIGH  92%
KGMU       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  94%
KAND       HIGH 100%     HIGH 100%     HIGH 100%     HIGH  98%

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...NED
SHORT TERM...TDP
LONG TERM...CSH
AVIATION...NED
Hazardous weather outlook, Apr 9, 3:21 PM EDT, 1 hour 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
321 PM EDT THU APR 9 2015

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-101930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-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-
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-YORK-
ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
321 PM EDT THU APR 9 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO WIDELY SCATTERED THUNDERSTORMS MAY DEVELOP ACROSS THE
AREA THROUGH TONIGHT. ISOLATED SEVERE STORMS ARE POSSIBLE...WITH
LARGE HAIL AND DAMAGING WINDS BEING THE PRIMARY THREATS. DANGEROUS
CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL CAN OCCUR
WITH ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

..FRIDAY...SEVERE THUNDERSTORMS POSSIBLE. AHEAD OF A COLD FRONT...
A BAND OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO APPROACH THE
AREA FROM THE TENNESSEE VALLEY FRIDAY MORNING. ALTHOUGH ISOLATED
SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS THE MOUNTAINS DURING
THE MORNING...THE BEST CHANCE FOR SEVERE THUNDERSTORMS WILL EXIST
ACROSS THE PIEDMONT...WHERE THE FRONT WILL MOVE THROUGH DURING THE
AFTERNOON. THE MAIN THREAT DURING THE MORNING WILL BE FROM LOCALLY
DAMAGING WIND GUSTS...BUT AN ADDITIONAL THREAT OF LARGE HAIL IS
EXPECTED TO INCREASE DURING THE AFTERNOON.
..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...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Special weather statement, Apr 9, 3:11 PM EDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT THU APR 9 2015

NCZ049-053-505-092000-
BUNCOMBE NC-MCDOWELL MOUNTAINS NC-YANCEY NC-
311 PM EDT THU APR 9 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL BUNCOMBE...
MCDOWELL MOUNTAINS AND SOUTHEASTERN YANCEY UNTIL 400 PM EDT...

AT 311 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
EAST ASHEVILLE...MOVING NORTHEAST AT 30 MPH.

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

LOCATIONS IMPACTED INCLUDE...
EAST ASHEVILLE...NORTH ASHEVILLE...DOWNTOWN ASHEVILLE...WEST
ASHEVILLE...BLACK MOUNTAIN...WOODFIN...SWANNANOA...OLD FORT...B.R.
PARKWAY...LITTLE SWITZERLAND TO LINVILLE AND WARREN WILSON COLLEGE.

LAT...LON 3591 8214 3582 8214 3582 8212 3585 8210
      3586 8204 3588 8202 3587 8200 3590 8198
      3584 8193 3581 8199 3577 8194 3571 8203
      3568 8204 3550 8251 3565 8262 3592 8215
TIME...MOT...LOC 1911Z 244DEG 25KT 3560 8252

RWH
Special weather statement, Apr 9, 4:09 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
409 PM EDT THU APR 9 2015

GAZ028-029-SCZ010-011-092100-
HART GA-ELBERT GA-ABBEVILLE SC-ANDERSON SC-
409 PM EDT THU APR 9 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHEASTERN HART...
CENTRAL ELBERT...CENTRAL ABBEVILLE AND SOUTHEASTERN ANDERSON UNTIL
500 PM EDT...

AT 409 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
RUSSELL STATE PARK...OR 5 MILES NORTH OF ELBERTON...MOVING NORTHEAST
AT 25 MPH.

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

LOCATIONS IMPACTED INCLUDE...
ANDERSON...ELBERTON...MIDDLETON...HOMELAND PARK...BELTON...HONEA
PATH...IVA...LAKE SECESSION...STARR AND LOWNDESVILLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3404 8282 3416 8299 3464 8261 3442 8232
TIME...MOT...LOC 2009Z 222DEG 23KT 3418 8283

MOORE
Special weather statement, Apr 9, 4:31 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
431 PM EDT THU APR 9 2015

NCZ501>504-092100-
GREATER BURKE NC-BURKE MOUNTAINS NC-CALDWELL MOUNTAINS NC-
GREATER CALDWELL NC-
431 PM EDT THU APR 9 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTH CENTRAL
GREATER BURKE...NORTHEASTERN BURKE MOUNTAINS...CALDWELL MOUNTAINS AND
GREATER CALDWELL UNTIL 500 PM EDT...

AT 430 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5
MILES NORTHWEST OF GAMEWELL...OR 7 MILES WEST OF LENOIR...MOVING
NORTHEAST AT 30 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
LENOIR...SAWMILLS...GAMEWELL...HUDSON...CAJAH'S MOUNTAIN...CEDAR
ROCK...GRANITE FALLS...LAKE RHODHISS...KINGS CREEK AND UPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3612 8155 3610 8152 3609 8145 3607 8144
      3607 8141 3604 8139 3602 8134 3600 8133
      3592 8134 3581 8143 3577 8170 3594 8186
      3597 8183 3596 8181 3597 8180 3605 8175
      3612 8168
TIME...MOT...LOC 2030Z 247DEG 26KT 3592 8168

RWH
Special weather statement, Apr 9, 4:37 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
437 PM EDT THU APR 9 2015

SCZ006-010-012-092100-
LAURENS SC-GREATER GREENVILLE SC-ANDERSON SC-
437 PM EDT THU APR 9 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN
LAURENS...SOUTHERN GREATER GREENVILLE AND EAST CENTRAL ANDERSON UNTIL
500 PM EDT...

AT 436 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES EAST OF WILLIAMSTON...OR 14 MILES SOUTH OF MAULDIN...MOVING
NORTHEAST AT 40 MPH.

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

LOCATIONS IMPACTED INCLUDE...
MAULDIN...SIMPSONVILLE...FIVE FORKS...FOUNTAIN INN...PRINCETON AND
FORK SHOALS.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3447 8231 3447 8233 3456 8249 3487 8225
      3470 8207 3446 8231
TIME...MOT...LOC 2036Z 214DEG 33KT 3458 8235

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 4:09 PM EDTSpecial Weather StatementGSPAnderson51 min
Apr 9, 4:18 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson42 min
Apr 9, 4:37 PM EDTSpecial Weather StatementGSPGreenville23 min
Apr 9, 4:48 PM EDTSpecial Weather StatementGSPCherokee42 min
Apr 9, 5:19 PM EDTSpecial Weather StatementGSPGreenville41 min

Nearby

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