Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 37, NWS Greenville-Spartanburg, SC

May 10, 2015Habersham County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 10, 2015, 4:58 PM EDT for Habersham County, Stephens County, Georgia. It was in force for 47 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
May 10, 2015, 4:58 PM EDT (20:58 UTC)
Expired
May 10, 2015, 5:45 PM EDT
In force
47 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Habersham County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 105 km from the middle of the area, began a volume at 20:59 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
May 10, 5:02 PM EDTHAIL 0.55 Nw Toccoa, GABRIEF MARBLE SIZED HAIL AND SOME GUSTY WIND.
May 10, 5:03 PM EDTTSTM WND DMG5 Nw Toccoa, GAFEW TREES BLOWN DOWN ALONG BLACK MOUNTAIN ROAD.
May 10, 5:03 PM EDTHAIL 15 Nw Toccoa, GAQUARTER SIZE HAIL REPORTED ON BLACK MOUNTAIN 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 2 storm reports to this severe thunderstorm warning; the first came 5 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 175 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 2015-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2015-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1444 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

415 
WUUS52 KGSP 102058
SVRGSP
GAC137-257-102145-
/O.NEW.KGSP.SV.W.0037.150510T2058Z-150510T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 PM EDT SUN MAY 10 2015

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STEPHENS COUNTY IN NORTHEASTERN GEORGIA...
  EAST CENTRAL HABERSHAM COUNTY IN NORTHEASTERN GEORGIA...

* UNTIL 545 PM EDT

* AT 458 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 NEAR TOCCOA...AND MOVING SOUTH AT
  10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TOCCOA...MARTIN...AVALON...EASTANOLEE...BOYDVILLE AND TURNERVILLE. 

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.

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.

&&

LAT...LON 3468 8343 3469 8334 3468 8334 3468 8332
      3467 8332 3467 8331 3465 8329 3464 8326
      3461 8323 3450 8315 3448 8318 3447 8338
      3446 8340 3447 8344
TIME...MOT...LOC 2058Z 345DEG 8KT 3463 8335 

$$

08
2 follow-up statements
040 
WWUS52 KGSP 102123
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
523 PM EDT SUN MAY 10 2015

GAC137-102133-
/O.CAN.KGSP.SV.W.0037.000000T0000Z-150510T2145Z/
HABERSHAM GA-
523 PM EDT SUN MAY 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HABERSHAM COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3453 8344 3464 8338 3464 8327 3448 8322
      3447 8338 3446 8339 3447 8344
TIME...MOT...LOC 2123Z 357DEG 12KT 3455 8336 

$$

GAC257-102145-
/O.CON.KGSP.SV.W.0037.000000T0000Z-150510T2145Z/
STEPHENS GA-
523 PM EDT SUN MAY 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR STEPHENS COUNTY...

AT 523 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 OVER TOCCOA...MOVING SOUTH AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
TOCCOA...EASTANOLEE AND BOYDVILLE. 

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.

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.

&&

LAT...LON 3453 8344 3464 8338 3464 8327 3448 8322
      3447 8338 3446 8339 3447 8344
TIME...MOT...LOC 2123Z 357DEG 12KT 3455 8336 

$$

08
139 
WWUS52 KGSP 102141
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
541 PM EDT SUN MAY 10 2015

GAC257-102151-
/O.EXP.KGSP.SV.W.0037.000000T0000Z-150510T2145Z/
STEPHENS GA-
541 PM EDT SUN MAY 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR STEPHENS COUNTY WILL EXPIRE AT
545 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
GREENVILLE-SPARTANBURG.

LAT...LON 3453 8344 3464 8338 3464 8327 3448 8322
      3447 8338 3446 8339 3447 8344
TIME...MOT...LOC 2138Z 345DEG 8KT 3455 8336 

$$

08

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 May 10, 2:57 PM EDT, 2 hours 1 minute earlier.

Area forecast discussion, May 10, 2:57 PM EDT, 2 hours 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
257 PM EDT SUN MAY 10 2015

.SYNOPSIS...
THE REMNANTS OF ANA WILL TURN NORTHEAST AND MOVE ACROSS EASTERN
NORTH CAROLINA TONIGHT INTO MONDAY...BEFORE MOVING OFF THE VIRGINIA
COAST. A COLD FRONT WILL CROSS OUR AREA ON TUESDAY. HIGH PRESSURE
WILL TRANSIT FROM THE GREAT LAKES WEDNESDAY TO OFF THE MID ATLANTIC
COAST BY NEXT WEEKEND AS MOISTURE FLOWS UP FROM THE GULF AND INTO
OUR AREA.

&&

.NEAR TERM /THROUGH MONDAY/...
AS OF 230 PM...CONVECTION BEGINNING TO FIRE ACRS THE HIGH
TERRAIN...WHILE RAIN BANDS CONTINUE TO ROTATE AROUND T.D. ANA AS IT
LIFTS NORTH INTO INLAND ERN NC. THE I-77 CORRIDOR IS ON THE WESTERN
EDGE OF THE T.D. CLOUD SHIELD...WITH RADAR MOSAIC SHOWING INCREASING
SHWR COVERAGE TO THE EAST OF CHARLOTTE. SO THE POPS WILL FEATURE
HIGH-END CHC TO LIKELY IN THE CENTRAL AND SW NC MTNS...AND LOW-END
TO MID CHC EAST OF I-77...WITH SLGT CHC IN BETWEEN. CONVECTION MAY
BE ABLE TO SURVIVE OFF THE HIGH TERRAIN BETTER TODAY AS IT DRIFTS
SOUTH INTO THE UPPER SAVANNAH VALLEY AND WESTERN UPSTATE. STILL NOT
EXPECTING MUCH SEVERE THREAT...AS SHEAR IS VERY WEAK...AND INSTBY IS
AROUND 1000-1500 J/KG. AN ISOLD MARGINALLY SEVERE STORM CANNOT BE
RULED OUT.

TONIGHT...CONVECTION SHUD WANE...BUT A LINGERING SLGT CHC WILL
REMAIN...AS ATMOS REMAINS MOIST AND WEAKLY UNSTABLE ALOFT. LOWS WILL
BE ABOUT 10 DEG ABOVE NORMAL UNDER ELEVATED DWPTS AND SOME CLOUD
COVER.

MONDAY...THE 500 MB HEIGHTS WILL BEGIN TO FALL ATOP THE CWFA...AS A
LARGE TROF EJECTS OUT INTO THE PLAINS STATES. THE BL WILL BE QUITE
MOIST...WITH DEWPTS GENERALLY IN THE MID 60S ACRS THE
PIEDMONT...WHILE TEMPS SHUD WARM BACK INTO THE MID-UPR 80S. SO FCST
SNDGS SHOW STRONG SBCAPE...1500-2500 J/KG. SHEAR WILL REMAIN VERY
WEAK...AND DOWNBURST POTENTIAL LOOKS MUTED GIVEN WET-BULB ZERO
HEIGHTS OVER 10 KFT. SO EXPECT OVERALL BETTER TSTM COVERAGE ACRS THE
AREA (40-60 POP)...BUT SEVERE THREAT STILL LOOKS MARGINAL. WILL
PROBABLY SEE A FEW MARGINALLY SEVERE PULSE STORMS GIVEN THE GOOD
INSTBY. THERE WILL BE AN ISOLD FLASH FLOOD THREAT AS WELL...AS
STORMS WILL BE SLOW MOVING AND EFFICIENT RAIN PRODUCERS IN THE MOIST
ENVIRONMENT.

&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
AS OF 150 PM SUNDAY...SHORT WAVE CROSSES THE AREA MONDAY NITE BEFORE
A DAMPENING UPPER TROF CROSSES ON TUE. AT THE SFC...THE ASSOCIATED
COLD FRONT CROSSES THE AREA ON TUESDAY. AHEAD OF THE FRONT...EXPECT
SOME LINGERING CONVECTION MONDAY NITE...THEN REDEVELOPING ON
TUE...MAINLY ALONG AND SOUTH OF I-85 WHERE BEST MOISTURE AND
INSTABILITY REMAIN. BULK SHEAR INCREASES SIGNIFICANTLY TUE AS WINDS
INCREASE WITH THE FRONT AND UPPER TROF. HOWEVER...INSTABILITY WILL
REMAIN WEAK AS INDICATED ON EVEN THE MOST ROBUST GUIDANCE.
THEREFORE...ONLY EXPECT THUNDER TO DEVELOP ALONG AND SOUTH OF I-85
WITH ONLY A VERY LOW SVR THREAT AT BEST. TEMPS REMAIN AROUND 10
DEGREES ABOVE NORMAL.

UPPER RIDGING BUILDS OVER THE CENTRAL CONUS WED WITH NWLY FLOW
DEVELOPING OVER THE AREA AS THE UPPER TROF MOVES EAST. AT THE SFC...
DRY AND COOLER HIGH PRESSURE BEGINS TO BUILD IN FROM THE NW. EXPECT
DRY CONDITIONS WITH TEMPS FROM NEAR NORMAL TO 5 DEGREES ABOVE.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
AS OF 255 PM SUNDAY...UPPER RIDGE BUILDS INTO THE AREA THU...THEN IS
KNOCKED DOWN FRI BY A SHORT WAVE MOVING OVER THE AREA. RIDGING
RETURNS FOR SAT AND SUN...ALTHOUGH A SHORT WAVE WILL MOVE THRU THE
RIDGE AND ACROSS THE AREA SUN.

DRY HIGH PRESSURE MOVES ACROSS THE AREA THU THEN OFF SHORE FRI. SLY
LOW LEVEL FLOW DEVELOPS FRI IN THE FLOW AROUND THE HIGH AND A LOW
PRESSURE MOVING ALONG A DEVELOPING WARM FRONT NEAR THE OH VALLEY.
THE MOIST SLY FLOW CONTINUES SAT. EXPECT INCREASING CHC OF SHOWERS
AND THUNDERSTORMS EACH DAY. THE MOIST AND UNSTABLE AIR MASS REMAINS
OVER THE AREA SUN WITH A CONTINUED CHC OF CONVECTION...BUT COULD
HAVE MORE OF A DIURNAL TREND. TEMPS START OUT NEAR NORMAL THU...
FALL A LITTLE BELOW NORMAL FRI...RETURN TO NEAR NORMAL SAT THEN BACK
ABOVE NORMAL SUN.

&&

.AVIATION /19Z SUNDAY THROUGH FRIDAY/...
AT KCLT...CLOUD BANDS CONTINUE TO SWIRL AROUND TROPICAL STORM
ANA...WITH BASES GRADUALLY LIFTING OVER KCLT. EXPECT BASES TO MIX
OUT TO ABOUT 4000 FT THIS AFTN AND GENERALLY REMAIN BKN. ENHANCED CU
WITHIN ONE OF THE CLOUD BANDS CAN BE SEEN FROM KGSO TO KEQY ON VIS
SAT...WITH A FEW LIGHT RADAR RETURNS BEGINNING TO DEVELOP. SO I
EXPECT AT LEAST A FEW WEAK SHRA PIVOTING FROM EAST TO WEST ACRS THE
KCLT THIS AFTN. NOT EXPECTING MUCH IMPACT...BUT CANNOT RULE OUT
BRIEF DOWNPOURS AND LOWER CIGS. WINDS WILL CONTINUE OUT OF THE NE
WITH GUSTS TILL ABOUT SUNSET...THEN WEAKEN. EXPECTING MORE
CLOUDINESS OVERNIGHT...AND GUIDANCE NOT SHOWING ANY LOWER STRATUS
THAN THE 4000 FT CIGS EXPECTED THIS AFTN. ON MONDAY...T.S. ANA WILL
DRIFT NE AWAY FROM THE AREA...BUT LEAVING PLENTY OF MOISTURE BEHIND.
SO EXPECTING A CU FIELD TO DEVELOP WITH BASES AROUND 5000 FT.
GUIDANCE SHOWS BETTER INSTBY FOR CONVECTION...WITH INTIATION LIKELY
STARTING IN THE MTNS. I THINK THE BEST CHCS AT KCLT WILL BE AFTER
18Z...SO NO MENTION WITH THIS TAF. WINDS WILL SHIFT TO SW BY LATE
MORNING...BUT REMAIN LIGHT.

ELSEWHERE...CONVECTION BEGINNING TO DEVELOP IN THE MTNS. GUIDANCE IN
DECENT AGREEMENT ON GOOD COVERAGE IN THE HIGH TERRAIN...WITH SOME
DEVELOPMENT OUT ACRS THE PIEDMONT...MAINLY AROUND KAND AND THE UPPER
SAVANNAH VALLEY. ALSO...RAIN BANDS MAY DEVELOP ON NORTH SIDE OF T.S.
ANA...AND PIVOT WESTWARD TOWARD KHKY. WILL MENTION VCTS AT KAVL AND
KAND WHERE THE COVERAGE WILL BE GREATEST. WINDS HAVE WEAKENED ACRS
THE UPSTATE AND BECOME RATHER VARIABLE. WINDS WILL BE TRICKY THRU
THE EVENING AS WELL. OVERNIGHT...CONVECTION SHUD WANE...WITH
LINGERING MID AND HIGH CLOUDS AROUND. MAY SEE SOME MTN VLY FOG...SO
WILL MENTION MVFR VSBY AT KAVL TO SHOW THE TREND. IF KAND GETS
RAINFALL...THERE MAY BE SOME MORNING FOG THERE AS WELL. ON
MONDAY...GUIDANCE IN GOOD AGREEMENT ON MORE INSTBY AND GREATER
COVERAGE OF CONVECTION. IT WILL MOST LIKELY GET STARTED IN THE MTNS
AROUND MIDDAY...SO WILL MENTION PROB30 AT KAVL. BUT THE PIEDMONT
SITES WILL SEE BEST CHCS AFTER 18Z...SO WILL LEAVE OUT MENTION.
WINDS WILL TURN OUT OF THE SW AND REMAIN LIGHT.

OUTLOOK...A COLD FRONT WILL CROSS THE AREA ON TUESDAY...BRINGING
ANOTHER ROUND OF DIURNAL SHRA AND TSRA. DRIER AIR MOVES IN ON
WEDNESDAY...BUT THE FRONT STALLS JUST TO THE SOUTH... POSSIBLY
ALLOWING UNSETTLED CONDITIONS TO RETURN TO THE AREA LATE IN THE WEEK.

CONFIDENCE TABLE...

            19-01Z        01-07Z        07-13Z        13-18Z
KCLT       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGSP       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAVL       HIGH 100%     HIGH 100%     HIGH  96%     HIGH  96%
KHKY       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGMU       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH  83%     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
SHORT TERM...RWH
LONG TERM...RWH
AVIATION...ARK
Hazardous weather outlook, May 10, 3:25 PM EDT, 1 hour 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT SUN MAY 10 2015

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-501>510-
SCZ001>007-010>012-019-111930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-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-ANDERSON-ABBEVILLE-LAURENS-GREENWOOD-
325 PM EDT SUN MAY 10 2015

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

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS THE NORTH CAROLINA
MOUNTAINS AND FOOTHILLS...NORTHEAST GEORGIA...AND THE WESTERN
UPSTATE INTO THE EVENING. WHILE THE MAIN THREATS WILL BE FROM
LOCALLY HEAVY RAINFALL AND CLOUD TO GROUND LIGHTNING...A COUPLE OF
STORMS COULD PRODUCE BRIEF SEVERE WEATHER IN THE FORM OF DAMAGING
WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

..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.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

NCZ035>037-056-057-068>072-082-SCZ008-009-013-014-111930-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION-CHEROKEE-YORK-CHESTER-
325 PM EDT SUN MAY 10 2015

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

.DAY ONE...TONIGHT.

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE ACROSS
THE NORTH CAROLINA PIEDMONT AND EASTERN UPSTATE INTO THE EVENING.
THE MAIN THREATS WILL BE FROM LOCALLY HEAVY RAINFALL AND CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

..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.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, May 10, 2:59 PM EDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
259 PM EDT SUN MAY 10 2015

GAZ010-SCZ001-101930-
RABUN GA-OCONEE MOUNTAINS SC-
259 PM EDT SUN MAY 10 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN RABUN
AND NORTH CENTRAL OCONEE COUNTIES UNTIL 330 PM EDT...

AT 259 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 14
MILES NORTHWEST OF WALHALLA...OR 6 MILES NORTHWEST OF OCONEE STATE
PARK...MOVING SOUTH AT 5 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
OCONEE STATE PARK...PINE MOUNTAIN AND MOUNTAIN REST.

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.

TORRENTIAL RAINFALL 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 3500 8322 3500 8311 3486 8305 3485 8323
TIME...MOT...LOC 1859Z 353DEG 6KT 3496 8317

08
Special weather statement, May 10, 3:28 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
328 PM EDT SUN MAY 10 2015

GAZ010-SCZ001-102000-
RABUN GA-OCONEE MOUNTAINS SC-
328 PM EDT SUN MAY 10 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL RABUN AND
NORTHWESTERN OCONEE COUNTIES UNTIL 400 PM EDT...

AT 327 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES NORTHEAST OF CLAYTON...OR 5 MILES SOUTHEAST OF SKY VALLEY...
MOVING SOUTHWEST AT 10 MPH.

NICKEL SIZE HAIL...WIND GUSTS UP TO 50 MPH...AND VERY HEAVY RAINFALL
RATES UP TO 2 INCHES PER HOUR WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOUNTAIN CITY...TIGER...SKY VALLEY...BLACK ROCK MOUNTAIN
STATE PARK...DILLARD...LAKEMONT...TALLULAH GORGE STATE PARK...PINE
MOUNTAIN AND LONG CREEK.

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 3500 8334 3500 8323 3492 8312 3469 8328
      3487 8353
TIME...MOT...LOC 1927Z 041DEG 11KT 3493 8326

HG
Special weather statement, May 10, 4:15 PM EDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
415 PM EDT SUN MAY 10 2015

NCZ062-102045-
MACON NC-
415 PM EDT SUN MAY 10 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHWESTERN MACON
COUNTY UNTIL 445 PM EDT...

AT 415 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12
MILES SOUTHWEST OF FRANKLIN...OR 10 MILES SOUTHEAST OF NANTAHALA
LAKE...MOVING EAST AT 5 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
RAINBOW SPRINGS.

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 3513 8361 3515 8339 3499 8342 3499 8348
      3500 8351 3500 8352 3502 8352 3504 8354
      3504 8356 3507 8357 3509 8359 3510 8361
TIME...MOT...LOC 2015Z 276DEG 4KT 3506 8354

08
Special weather statement, May 10, 4:43 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
443 PM EDT SUN MAY 10 2015

NCZ064-065-102115-
TRANSYLVANIA NC-HENDERSON NC-
443 PM EDT SUN MAY 10 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF EAST CENTRAL
TRANSYLVANIA AND SOUTH CENTRAL HENDERSON COUNTIES UNTIL 515 PM EDT...

AT 443 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES EAST OF BREVARD...OR OVER DUPONT STATE FOREST...MOVING
SOUTHEAST AT 5 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
DUPONT STATE FOREST...CRAB CREEK...LITTLE RIVER IN TRANSYLVANIA
COUNTY AND CEDAR MOUNTAIN.

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 3519 8242 3516 8245 3516 8246 3518 8246
      3516 8253 3516 8255 3515 8257 3514 8260
      3514 8261 3513 8263 3526 8265 3529 8257
TIME...MOT...LOC 2043Z 325DEG 4KT 3522 8258

08

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 3:28 PM EDTSpecial Weather StatementGSPRabun32 min
May 10, 3:34 PM EDTSevere Thunderstorm WarningGSPRabun41 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.