Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 13, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 20, 2015, 1:42 PM EDT for Greenville County, Pickens County, South Carolina. It was in force for 48 min. 9 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
- Apr 20, 2015, 1:42 PM EDT (17:42 UTC)
- Expired
- Apr 20, 2015, 2:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Greenville County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 32 km from the middle of the area, began a volume at 17:42 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 20, 1:45 PM EDT | HAIL 1 | 2 Nw Six Mile, SC | 1 INCH HAIL IN SIX MILE, SC. |
| Apr 20, 1:58 PM EDT | HAIL 0.88 | 6 Sse Tigerville, SC | NICKEL HAIL NEAR LAKE ROBINSON DAM. |
| Apr 20, 2:00 PM EDT | HAIL 1 | Travelers Rest, SC | |
| Apr 20, 2:06 PM EDT | HAIL 1 | 3 N Pickens, SC | 121 OLD GLASSY MOUNTAIN RD. |
| Apr 20, 2:07 PM EDT | HAIL 1 | 4 Ssw Pumpkintown, SC | 1 INCH HAIL SSW OF PUMPKINTOWN, SC. |
| Apr 20, 2:18 PM EDT | HAIL 0.75 | 3 Nw Travelers Rest, SC | PENNY HAIL REPORTED. |
| Apr 20, 2:29 PM EDT | HAIL 2 | 5 Ene Travelers Rest, SC | |
| Apr 20, 2:30 PM EDT | HAIL 1 | Pickens, SC | |
| Apr 20, 2:33 PM EDT | HAIL 2 | 5 Ene Travelers Rest, SC |
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 6 storm reports to this severe thunderstorm warning; the first came 3 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 20, 1:23 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.7 hours before the alert went out and 242 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
- 694 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 689 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
342
WUUS52 KGSP 201742
SVRGSP
SCC045-077-201830-
/O.NEW.KGSP.SV.W.0013.150420T1742Z-150420T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
142 PM EDT MON APR 20 2015
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...
CENTRAL GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
* UNTIL 230 PM EDT
* AT 141 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 6 MILES WEST OF PICKENS...OR
NEAR SIX MILE...AND MOVING EAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
GREENVILLE DOWNTOWN...TAYLORS...EASLEY...PICKENS...GREENVILLE
EASTSIDE...GREER...BEREA...WELCOME...TRAVELERS REST AND LIBERTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO WARNING. SEEK IMMEDIATE SHELTER IF A
TORNADO IS SPOTTED.
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.
THIS STORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL. FLOODING OF
DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT DRIVE THROUGH
AREAS WHERE WATER IS FLOWING OVER THE ROAD.
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.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR CENTRAL SOUTH
CAROLINA.
LAT...LON 3479 8288 3481 8290 3488 8291 3493 8290
3506 8224 3495 8222 3485 8223 3484 8220
3482 8220 3480 8247 3482 8249 3480 8253
3477 8289
TIME...MOT...LOC 1741Z 259DEG 39KT 3486 8281
$$
08What 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 20, 1:02 PM EDT, 40 minutes earlier.
Area forecast discussion, Apr 20, 1:02 PM EDT, 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
102 PM EDT MON APR 20 2015
.SYNOPSIS...
A COLD FRONT WILL CROSS THE AREA TODAY BRINGING ANOTHER ROUND OF
SHOWERS AND THUNDERSTORMS. DRY HIGH PRESSURE BUILDS IN FOR TUESDAY
AND WEDNESDAY. ANOTHER COLD FRONT WILL PUSH IN FROM THE NORTHWEST ON
THURSDAY...POSSIBLY BRINGING SHOWERS BACK TO THE AREA. A STRONGER
STORM SYSTEM WILL MOVE IN FOR THE WEEKEND.
&&
.NEAR TERM /THROUGH TONIGHT/...
AS OF 1000 AM...GUSTY TSTMS...WHAT APPEAR TO BE DRIVEN BY MCV...
SHOULD TRANSLATE QUICKLY EAST OF THE CWFA BY 15 UTC. IT SEEMS
LIKE THERE WILL BE SVRL HOURS OF ECHO FREE CONDITIONS ACRS THE
CWFA. WITHIN THE BROAD PRE-COLD FRONTAL ENVIRONMENT...PROGRESSIVE
DESTABILIZATION IS EXPECTED THROUGH THE AFTERNOON. THE NEWLY POSTED
12 UTC NAM AND CONVECTION ALLOWING MODELS EXPECTEDLY RESPOND
FAVORABLY WITHIN LLVL FRONTAL CONVERGENCE ZONE...PROGGING WIDESPREAD
DEEP CONVECTION. FAVORABLE SHEAR PROFILES LEND SUPPORT TO THE
PROBABILITY OF DISCRETE STORMS IN THE PIEDMONT LATER TODAY.
AS OF 645 AM...WELL THE NEAR TERM MODELS AND CAMS ARE NOT DOING VERY
WELL WITH THE CONVECTION ENTERING OUR WESTERN ZONES EARLY THIS
MORNING. HAVE BUMPED UP POP IN THE WEST. STILL EXPECT WEAKENING AS
THE REMNANT PRECIP CROSSES THE AREA THRU THE MORNING HOURS. CANNOT
RULE OUT A STRONG OR MARGINALLY SEVERE STORM EARLY ON...BUT
OTHERWISE JUST SOME CG LIGHTNING AND DOWNPOURS WITH THAT ACTIVITY.
THE REST OF THE FCST WAS LEFT UNCHANGED.
AS OF 330 AM...IN THE IMMEDIATE NEAR TERM...THE RADAR HAS GONE INTO
CLEAR AIR MODE...AS A LEAD SHORTWAVE HAS EXITED TO THE NE WITHIN
DEEP LAYER SWLY FLOW. A QUASI-LINEAR MCS IS CURRENTLY CROSSING
CENTRAL TN AND NRN AL. GUIDANCE SEEMS TO BE UNDERESTIMATING THE
STRENGTH/PERSISTENCE OF THIS SYSTEM. THE LATEST RAP ANALYSIS SHOWS
500-1000 J/KG OF MUCAPE WITH 35-45 KTS OF EFFECTIVE SHEAR DOWNSTREAM
OF THIS CLUSTER. THIS RESULTS IN A /MCS MAINTENANCE/ PROB AT 70-80
PCT. SO IT IS NOW EXPECTED THAT THESE STORMS (WHILE STILL ON A
GRADUAL WEAKENING TREND) WILL LIKELY STILL SURVIVE INTO THE NC MTNS
EARLY THIS MORNING. GIVEN THE CURRENT STATE...CANNOT RULE OUT A
STRONG OR SEVERE STORM OR TWO...ESP IN GRAHAM/SWAIN...WHEN THE LINE
GETS INTO THE CWFA. FROM THERE...IT/S DIFFICULT TO SAY HOW MUCH
PRECIP WILL LINGER ACRS THE CWFA THIS MORNING. I HAVE BUMPED UP POP
IN THE WRN MTNS...BUT KEEP JUST A SHOTGUN CHC POP FOR THE REST OF
THE AREA THIS MORNING.
LATER TODAY...GUIDANCE IN GOOD AGREEMENT ON ANOTHER SPOKE OF
VORTICITY ROTATING AROUND THE BROAD CYCLONICALLY CURVED
FLOW...CROSSING THE CWFA FROM THE SOUTHWEST DURING THE PEAK-HEATING
AFTN HOURS. MEANWHILE...A COLD FRONT WILL PUSH INTO THE AREA THIS
AFTN. THE FRONT LOOKS TO ONLY HAVE MODEST LLVL CONVERGENCE.
HOWEVER...GIVEN THE STEEP MID LVL LAPSE RATES AND LINGERING BL
MOISTURE (DEWPTS IN THE MID 60S ACRS THE PIEDMONT). FAIRLY CONFIDENT
IN AT LEAST 40-50 PCT COVERAGE OF CONVECTION...MAYBE HIGHER TO THE
EAST. THE FCST SNDGS SHOW LONG BUT SLIGHTLY CURVED HODOGRAPHS WITH
1500-2500 J/KG OF UNCAPPED SBCAPE. SO EXPECT SOMEWHAT DISCRETE
STORMS INITIALLY...WITH POTENTIAL FOR SUPERCELLS. DEFINITELY WILL
BE A DAMAGING WIND AND HAIL THREAT...WITH AN ISOLD TORNADO THREAT
ACRS THE PIEDMONT THIS AFTN. THE HIGH RES MODELS DO NOT SEEM THAT
IMPRESSED WITH COVERAGE OR INTENSITY. I/M NOT SURE WHAT IS LIMITING
THEIR CONVECTION EXPECT FOR PERHAPS LACK OF DEEPER MOISTURE. THE NEW
DAY 1 CONVECTIVE OUTLOOK STILL HAS ALL AREAS EAST OF THE MTNS IN THE
SLGT RISK...AND A MARGINAL RISK FOR THE MTNS. OTHERWISE...IT WILL BE
BREEZY TODAY UNDER MOSTLY CLOUDY TO PARTLY CLOUDY SKIES WITH TEMPS
BACK ABOVE NORMAL AHEAD OF THE FRONT.
TONIGHT...DRY AIR WILL FILTER IN FROM THE WEST BEHIND THE FRONT.
POPS WILL TAPER OFF...LINGERING THRU THE EVENING ALONG THE TN BORDER
DUE TO UPSLOPE NWLY FLOW. LOWS WILL BE A COUPLE CATEGORIES ABOVE
NORMAL.
&&
.SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/...
AS OF 240 AM MONDAY...THINGS DRY OUT TUE AS DRY HIGH PRESSURE BUILDS
IN FROM THE WEST. EXPECT A MILD AND BREEZY DAY WITH HIGHS UP TO 5
DEGREES BELOW NORMAL. A BROAD AND LOW AMPLITUDE UPPER TROF SETS UP
ACROSS THE AREA FOR WED. WEAK SHORT WAVES MOVING THRU THE TROF WILL
HELP PUSH A WEAK COLD FRONT INTO THE AREA WED AND SOUTH OF THE AREA
WED NITE. THERE IS NOT A LOT OF DEEP MOISTURE WITH THIS SYSTEM AND
THE FORCING IS WEAK. THEREFORE...EXPECT SCT SHRA NEAR THE TN BORDER
WHERE THE MOISTURE IS DEEPEST AND WLY FLOW WILL HELP INCREASE
FORCING. ELSEWHERE...ONLY ISOLATED SHRA ARE EXPECTED...WITH LITTLE
CHC OF PRECIP SOUTH OF I-85. HIGHS WILL RISE TO NEAR NORMAL WED...
WITH LOWS NEAR NORMAL TUE NITE AND ABOVE NORMAL WED NITE.
&&
.LONG TERM /THURSDAY THROUGH SUNDAY/...
AS OF 350 AM MONDAY...AN UPPER TROF AXIS WILL SLIDE EAST OF THE AREA
THURSDAY ALLOWING FLAT RIDGING TO BUILD IN ON FRI. A SHORT WAVE
CROSSES THE AREA SATURDAY WITH ANOTHER BROAD AND LOW AMPLITUDE UPPER
TROF DEVELOPING ON SUNDAY.
HIGH PRESSURE BRIEFLY RETURNS TO THE AREA FRI BEFORE A STRONGER
STORM SYSTEM MOVES IN ON SATURDAY. PRECIP CHC SLOWLY RAMPS UP FRIDAY
WITH POTENTIALLY HEAVY PRECIP ON SATURDAY. DRY HIGH PRESSURE RETURNS
FOR SUNDAY. NEAR NORMAL HIGHS THURSDAY...FALL BELOW NORMAL FOR THE
REST OF THE PERIOD. LOWS BOUNCE AROUND FROM NEAR TO A LITTLE ABOVE
NORMAL.
&&
.AVIATION /17Z MONDAY THROUGH FRIDAY/...
AT KCLT AND ELSEWHERE...GUSTY SSW WINDS AHEAD OF AN APPROACHING COLD
FRONT WILL CONTINUE THIS AFTERNOON AS CU FIELD THICKENS AND EXPANDS.
THUNDERSTORM CVRG WILL ALSO CONTINUE TO BLOSSOM WITH TIME AND GIVEN
THE EXPECTED CVRG...A TEMPO TSRA WILL BE INCLUDED AT ALL TERMINAL
LOCATIONS ALONG WITH CIGS OCCASIONALLY DIPPING DIPPING TO MVFR.
CONVECTION ALLOWING MODELS DIMINISH TSTM CVRG 21-23Z TODAY FOLLOWED
BY LLVL DRYING/DROPPING SFC DWPTS AND THE INFLUX OF POST-FRONTAL
AIR. A WIND SHIFT TO WEST IS EXPECTED THIS EVENING AND GUSTS WILL
DROP OFF. CLEARING AND VFR CONDITIONS ARE ON TAP OVERNIGHT AND INTO
TUESDAY MORNING.
OUTLOOK...DRY HIGH PRESSURE WILL BUILD IN ACROSS THE REGION FOR THE
MIDDLE OF THE WEEK...LEADING TO LOW PRECIP/RESTRICTION CHANCES.
CONFIDENCE TABLE...
17-23Z 23-05Z 05-11Z 11-12Z
KCLT MED 60% HIGH 100% HIGH 100% HIGH 100%
KGSP MED 60% HIGH 100% HIGH 100% HIGH 100%
KAVL HIGH 100% HIGH 100% HIGH 100% HIGH 100%
KHKY HIGH 100% HIGH 100% HIGH 100% HIGH 100%
KGMU MED 60% HIGH 100% HIGH 100% HIGH 100%
KAND MED 70% 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...RWH
NEAR TERM...ARK/CSH
SHORT TERM...RWH
LONG TERM...RWH
AVIATION...ARK/CSHHazardous weather outlook, Apr 20, 4:55 AM EDT, 8 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 455 AM EDT MON APR 20 2015 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-210900- 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- 455 AM EDT MON APR 20 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. A COLD FRONT WILL CROSS THE AREA TODAY BRINGING ANOTHER ROUND OF SCATTERED THUNDERSTORMS. SOME OF THESE STORMS MAY BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. IN ADDITION...ISOLATED TORNADOES WILL BE POSSIBLE...MAINLY ACROSS THE PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA. WATER LEVELS WILL REMAIN HIGH IN AREA RIVERS AND STREAMS. ALTHOUGH THE STORMS WILL BE FAST MOVING...HEAVY RAINFALL IS POSSIBLE AND ISOLATED FLOODING MAY AGAIN DEVELOP. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. ..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. ..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. .SPOTTER INFORMATION STATEMENT... NONE.
In the hours before
Local storm report, Apr 20, 10:23 AM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1023 AM EDT MON APR 20 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0943 AM TSTM WND DMG GASTONIA 35.25N 81.17W
04/20/2015 GASTON NC BROADCAST MEDIA
A REPORT OF A TREE BLOWN DOWN ON A MOBILE HOME AT 235
HANKS CIRCLE.
&&
LGABRICLocal storm report, Apr 20, 10:27 AM EDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1027 AM EDT MON APR 20 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0750 AM TSTM WND DMG WESTMINSTER 34.67N 83.09W
04/20/2015 OCONEE SC EMERGENCY MNGR
TREES DOWN AROUND THE WESTMINSTER AREA. TREE FELL ON A
HOME.
&&
STUREYLocal storm report, Apr 20, 11:29 AM EDT, 2 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1129 AM EDT MON APR 20 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0928 AM TSTM WND DMG 1 WSW KINGS MOUNTAIN 35.23N 81.37W
04/20/2015 CLEVELAND NC TRAINED SPOTTER
ONE TREE KNOCKED DOWN AROUND THE SCOTLAND DRIVE AND
PHIFER ROAD AREA.
&&
STUREYSpecial weather statement, Apr 20, 12:56 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1256 PM EDT MON APR 20 2015
GAZ010-017-018-SCZ001-201730-
STEPHENS GA-RABUN GA-HABERSHAM GA-OCONEE MOUNTAINS SC-
1256 PM EDT MON APR 20 2015
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN
STEPHENS...SOUTHEASTERN RABUN...NORTHEASTERN HABERSHAM AND
WESTERN OCONEE COUNTIES UNTIL 130 PM EDT...
AT 1255 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR TALLULAH FALLS...OR 7 MILES NORTHEAST OF CLARKESVILLE...MOVING
NORTHEAST AT 25 MPH.
HALF INCH HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
TOCCOA...WALHALLA...WESTMINSTER...TALLULAH FALLS...TALLULAH GORGE
STATE PARK...LAKEMONT...LAKE RABUN...HOLLYWOOD...TURNERVILLE AND LONG
CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE COMBINATION OF GUSTY WINDS AND SATURATED SOIL CONDITIONS WILL
CAUSE SCATTERED TREES AND POWER LINES TO FALL. SEEK SHELTER INSIDE AN
INTERIOR ROOM.
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 3492 8316 3470 8304 3465 8310 3456 8345
3473 8354
TIME...MOT...LOC 1655Z 245DEG 23KT 3468 8341
08Local storm report, Apr 20, 1:31 PM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
131 PM EDT MON APR 20 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0126 PM HAIL TAYLORS 34.92N 82.31W
04/20/2015 E0.50 INCH GREENVILLE SC PUBLIC
HALF INCH HAIL IN TAYLORS
&&
JPTLocal storm report, Apr 20, 1:42 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
142 PM EDT MON APR 20 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0135 PM HAIL 3 S SALEM 34.85N 82.98W
04/20/2015 E1.00 INCH OCONEE SC TRAINED SPOTTER
UP TO 1 INCH HAIL REPORTED JUST SOUTH OF SALEM, SC.
&&
JPTThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 10:15 PM EDT | Areal Flood Warning | GSP | York | 6 hr |
| Apr 20, 4:02 AM EDT | Areal Flood Warning | GSP | York | 6 hr |
| Apr 20, 7:09 AM EDT | Special Weather Statement | GSP | Oconee | 51 min |
| Apr 20, 8:18 AM EDT | Special Weather Statement | GSP | Anderson, Greenville, Pickens, Spartanburg | 42 min |
| Apr 20, 9:05 AM EDT | Special Weather Statement | GSP | Cherokee, Spartanburg, Union, York | 55 min |
| Apr 20, 9:53 AM EDT | Areal Flood Warning | GSP | York | 6 hr |
| Apr 20, 1:10 PM EDT | Severe Thunderstorm Warning | GSP | Oconee, Pickens | 50 min |
| Apr 20, 1:21 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 39 min |
| Apr 20, 2:03 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 42 min |
| Apr 20, 2:05 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 40 min |
| Apr 20, 2:40 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 35 min |
| Apr 20, 2:46 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 29 min |
| Apr 20, 2:48 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Oconee, Pickens | 42 min |
| Apr 20, 3:02 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 28 min |
| Apr 20, 3:21 PM EDT | Flash Flood Warning | GSP | Greenville, Oconee, Pickens | 39 min |
| Apr 20, 3:21 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Greenville, Spartanburg | 39 min |
| Apr 20, 3:26 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville, Oconee, Pickens | 49 min |
| Apr 20, 3:43 PM EDT | Flash Flood Warning | GSP | Cherokee, Greenville, Spartanburg | 62 min |
| Apr 20, 3:54 PM EDT | Tornado Warning | GSP | Anderson, Greenville | 36 min |
| Apr 20, 4:02 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson | 43 min |
| Apr 20, 4:03 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Greenville, Spartanburg | 33 min |
| Apr 20, 4:28 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville, Laurens, Spartanburg | 47 min |
| Apr 20, 4:31 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, York | 44 min |
| Apr 20, 5:01 PM EDT | Severe Thunderstorm Warning | GSP | Chester, Union | 44 min |
| Apr 20, 5:39 PM EDT | Severe Thunderstorm Warning | GSP | Chester, Union, York | 51 min |
| Apr 20, 5:57 PM EDT | Special Weather Statement | GSP | Abbeville | 33 min |
| Apr 20, 6:02 PM EDT | Tornado Warning | GSP | Chester, York | 28 min |
| Apr 20, 6:23 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Greenwood, Laurens | 52 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.