Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 298, NWS Greenville-Spartanburg, SC

August 10, 2013Greenville County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 10, 2013, 7:27 PM EDT for Greenville County, Pickens County, South Carolina. It was in force for 48 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 10, 2013, 7:27 PM EDT (23:27 UTC)
Expired
Aug 10, 2013, 8:15 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), 30 km from the middle of the area, began a volume at 23:29 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.5 hours before the alert went out and 274 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 2013-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1595 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 2013-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1595 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

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 10, 5:23 PM EDT, 2 hours 4 minutes earlier.

Area forecast discussion, Aug 10, 5:23 PM EDT, 2 hours 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
523 PM EDT SAT AUG 10 2013

.SYNOPSIS...
WARM AND HUMID CONDITIONS WILL PERSIST ACROSS THE REGION THROUGH
TUESDAY. A COLD FRONT IS EXPECTED TO MOVE OVER THE REGION LATE
TUESDAY. EXPECT COOLER TEMPERATURES LATE IN THE WEEK AS CANADIAN
HIGH PRESSURE PUSHES THE FRONT TO NEAR THE GULF COAST.

&&

.NEAR TERM /THROUGH SUNDAY/...
AS OF LATE AFTERNOON...STILL SEEING NUMEROUS SHOWERS AND
THUNDERSTORMS DEVELOPING ACROSS THE WESTERN CAROLINAS. AIR MASS
RECOVERY WAS TAKING PLACE ACROSS THE NRN UPSTATE WHERE EARLIER
CONVECTION HAD MOVED THROUGH. NEW DEVELOPMENT ON AN EAST-WEST
ORIENTED OUTFLOW BOUNDARY WILL BRING THE CHANCE BACK UP INTO UPSTATE
SC. PRECIP CHANCES REMAIN HIGHEST OVER THE NW PIEDMONT AS A
CONVECTIVE COMPLEX MOVES SLOWLY EAST. OTHERWISE...TEMPS WERE
ADJUSTED TO ACCOUNT FOR POOLS OF RAIN-COOLED AIR.

PREVIOUS DISCUSSION...

AS OF 230 PM EDT...STRONG INSOLATION E OF THE MTNS THIS AFTN HAS
PUSHED SFC BASED CAPE VALUES TO A ROBUST 3000 TO 5000 J/KG GIVEN THE
MID 70S DEWPOINTS IN MOST AREAS. WIDESPREAD COVERAGE HAS ALREADY
TRIGGERED FROM THE ERN SLOPES OF THE MTNS TO THE ADJACENT
FOOTHILLS...AND WESTERLY STEERING FLOW AND OUTFLOWS SHOULD ALLOW
THIS TO PROPAGATE EWD THROUGH THE MID TO LATE AFTN. COVERAGE AND
RAINFALL INTENSITY SHOULD REMAIN HIGHEST ACROSS WRN NC...ESPECIALLY
THE FOOTHILLS...GIVEN THE ORIENTATION OF THE DEEPER MOISTURE PLUME
EVIDENT ON WATER VAPOR IMAGERY. STILL ANTICIPATE THAT COVERAGE WILL
WANE FAIRLY QUICKLY THIS EVENING WITH THE LOSS OF DAYTIME HEATING IN
SPITE OF THE WEAK SURFACE FRONT DRAPED NORTH OF THE AREA. ANOTHER
ROUND OF MORNING LOW CLOUDS...PATCHY FOG TOWARD DAYBREAK...AND MIN
TEMPS WELL ABOVE NORMAL APPEARS ON TAP FOR SUNDAY MORNING.

IT NOW APPEARS THAT THE SFC COLD FRONT STRETCHING FROM KY THROUGH VA
THIS AFTN WILL GENERALLY REMAIN N OF THE FORECAST AREA OR WASH OUT
THROUGH SUNDAY. EXPECT MAINLY JUST A SFC TROUGH TO SET UP ACROSS THE
REGION. LOW LEVEL CONVERGENCE SHOULD STILL PROVIDE ENOUGH FORCING
FOR NUMEROUS NW TO SCT SE COVERAGE BY SUN AFTN...WITH THE FOCUS
AGAIN BEING THE MTNS EARLY...THEN ALONG THE PIEDMONT TROUGH AXIS
THROUGH THE AFTN HOURS. THERE WILL CONTINUE TO BE A 0 TO 6 KM SHEAR
GRADIENT FROM HIGHER VALUES ACROSS THE NRN FRINGE NEAR 25 KT...TO
LOWER VALUES NEAR 10 TO 15 KT ACROSS THE FAR S. THIS SUGGESTS THAT
THE BEST POTENTIAL FOR ISOLD SEVERE LATE TODAY AND AGAIN ON SUNDAY
AFTN WILL BE THE NC FOOTHILLS/PIEDMONT. HYDRO CONCERNS WILL CONTINUE
TO BE A PROBLEM JUST ABOUT ANYWHERE TRAINING DEVELOPS...BUT FOCUSED
CONVECTION ALONG THE ERN SLOPS OF THE MTNS WILL PROVIDE THE MOST
AMPLE OPPORTUNITY FOR TRAINING AND ISOLD FLASH FLOODING. WILL
CONTINUE TO CAP MAX TEMPS SUN AFTN BELOW MOST GUIDANCE GIVEN RECENT
PERFORMANCE IN THIS AIRMASS.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AS OF 100 PM EDT SATURDAY...LOOKS TO BE A FAIRLY ACTIVE SHORT RANGE
FORECAST PERIOD ACROSS THE AREA AS BROAD SCALE UPPER TROF PERSISTS.
BY EARLY SUNDAY EVENING...DIURNALLY FORCED CONVECTION WILL LIKELY BE
ONGOING ACROSS MUCH OF THE CWFA.  EXPECTING MUCH OF THIS ACTIVITY TO
PERSIST INTO THE OVERNIGHT HOURS OF MONDAY MORNING AS DAYTIME
HEATING INDUCED INSTABILITY WILL BE SLOW TO DISSIPATE.
FURTHERMORE...WESTERLY UPSLOPE FLOW ALONG THE HIGH TERRAIN WILL AID
IN PERSISTENCE OF SHOWER AND OR THUNDERSTORMS ACTIVITY.

UPPER LVL AND ASSOCIATED SFC RIDGE CENTERED OVER THE WESTERN
ATLANTIC MIGRATES SLIGHTLY TO THE WEST BY MONDAY MORNING.  AS A
RESULT...LOW LEVEL FLOW ACROSS THE SOUTHERN APPALACHIANS WILL SHIFT
TO MORE OF A NORTHWESTERLY COMPONENT DURING THE DAY MONDAY ENHANCING
UPSLOPE LIFT ALONG THE HIGH TERRAIN.  FURTHERMORE...MODELS ARE IN
GOOD AGREEMENT WITH INSTABILITY AXIS REMAINING ACROSS THE EASTERN
ZONES ON MONDAY.  HOWEVER...SOUNDINGS DO INDICATE A FAIR AMOUNT OF
MOISTURE IN THE MID LEVELS INDICATING THAT HEATING COULD BE DAMPENED
SOMEWHAT DUE TO CLOUD COVER.  MENTIONED LIKELY POPS ACROSS THE
MOUNTAINS OF NC IS ASSOCIATION WITH UPSLOPE LIFTING...AND CHANCE
POPS ELSEWHERE DUE TO POSSIBLE DAYTIME HEATING INDUCED CONVECTION.
EXPECTING ACTIVITY TO PERSIST FOR A FEW HOURS BEYOND SUNSET MONDAY
EVENING BEFORE DYING OFF AS THE BOUNDARY LAYER COOLS.

AMPLIFYING UPPER TROF WILL INTERACT WITH EAST/WEST ORIENTED STALLED
FRONTAL BOUNDARY ACROSS KY/VA ON TUESDAY.  THIS BOUNDARY WILL
FINALLY MOVE INTO THE REGION ON TUESDAY AFTERNOON THUS PROVIDING A
FOCUS FOR ENHANCED THUNDERSTORM ACTIVITY.  THERE IS SOME
DISCONTINUITY BETWEEN MODELS WITH RESPECT TO THE AMOUNT OF
INSTABILITY THAT WILL BE PRESENT ACROSS THE REGION ON TUESDAY.  NAM
GUIDANCE WHICH IS NORMALLY THE MOST AGGRESSIVE KEEPS THE AXIS OF
GREATER CAPE ALONG AND EAST OF THE I85 CORRIDOR...WHILE THE GFS
PLACES IT FURTHER TO THE NORTHWEST.  THIS IS LIKELY DUE TO
THE GFS BEING SLIGHTLY SLOWER WITH THE BOUNDARY PROGRESSION INTO THE
REGION WHICH ALLOWS FOR MORE HEATING.  EITHER WAY WOULD NOT BE
SURPRISED TO SEE A FEW STORMS REACH STRONG TO SEVERE LIMITS ON
TUESDAY AS SHEAR INCREASES IN PROXIMITY TO THE FRONT. THUS...CARRIED
LIKELY POPS ACROSS THE ENTIRE REGION INTO TUESDAY EVENING.
TEMPERATURES THROUGH THE PERIOD WILL BE NEAR OR JUST SLIGHTLY BELOW
NORMAL.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 200 PM SATURDAY...EXTENDED RANGE MODELS CONTINUE TO INDICATE
THAT A BROAD AREA OF CANADIAN HIGH PRESSURE WILL BEGIN TO BUILD
SOUTHWARD ACROSS THE GREAT LAKES REGION IN MID WEEK. THE OLD
STATIONARY FRONT WHICH HAD LINGERED FOR MANY DAYS WILL BE PICKED UP
BY A SECONDARY COLD FRONT...AND PUSHED TO CENTRAL PORTIONS OF
GEORGIA AND LOWER PIEDMONT OF THE CAROLINAS. THE GFS...ECMWF AND THE
CANADIAN ARE IN AGREEMENT. DRIER AIR WILL BE PUSHED SOUTH...BUT THE
FRONT WILL BE CLOSE ENOUGH TO NE GA AND UPSTATE SC TO HAVE MORE OF
AN AFFECT ON THEIR WEATHER LATE WEEK. ON WEDNESDAY
AFTERNOON...ALTHOUGH THE MAIN AXIS OF INSTABILITY WILL BE TOWARD THE
COAST...THE GFS HAS OVER 1000 CAPE SOUTH OF I-85. AS FRONT MOVES
FARTHER SOUTH...MORE STABLE AIR WILL BE IN PLACE FOR THE LATER HALF
OF THE WEEK. MEDIUM RANGE MODELS HAVE THE CENTER OF THE CANADIAN
HIGH MOVING OVER PA IN THE LATE THURSDAY THROUGH FRIDAY TIMEFRAME.
THE GFS INDICATES THE BEND IN THE PRESSURE FIELD FOR A COOL AIR
WEDGE ON THE EAST SIDE OF THE APPALACHIANS.  EXPECTING TEMPERATURES
TO BE AT LEAST 10 DEGREES BELOW NORMAL NEXT WEEKEND.

&&

.AVIATION /22Z SATURDAY THROUGH THURSDAY/...
AT KCLT...CONVECTIVE COVERAGE IS FILLING IN ALONG A LINE STRETCHING
FROM THE NW PIEDMONT OF NC TO THE SRN NC FOOTHILLS. THE COMBINATION
OF GOOD INSOLATION AND HIGH DEWPOINTS IN THE MID 70S HAS CREATED
STRONG CAPE ACROSS THE REGION...AND TEMPO TSRA AT KCLT SEEMS A GOOD
BET 20Z TO 00Z AS THIS ACTIVITY STEERS EAST. WILL ALSO ADVERTISE
SOME GUSTS TO 30 KT WITH ANY TSRA AS WELL AS BRIEF RESTRICTIONS.
COVERAGE WILL WANE RAPIDLY THIS EVENING...WITH MAINLY FEW
STRATUS/STRATOCUMULUS AROUND ALONG WITH POSSIBLY BRIEF MVFR VSBY
TOWARD DAYBREAK. BRIEF MVFR CIGS WILL BE POSSIBLE WITH HEATING
SUNDAY MORNING...WHILE ANY RENEWED CONVECTION SHOULD HOLD OFF UNTIL
THE AFTN HOURS.

ELSEWHERE...FAIRLY SOLID COVERAGE IS INDICATED ON RADAR ALONG THE
ERN ESCARPMENT OF THE MTNS AND THE ADJACENT FOOTHILLS THIS
AFTN...AND THIS ACTIVITY SHOULD STEER EASTWARD IN ROBUST CAPE VALUES
RUNNING 3000 TO 5000 J/KG GIVEN THE RICH LOW LEVEL DEWPOINTS.
ANTICIPATE TEMPO TSRA THROUGHOUT...WITH BRIEF WIND GUSTS IN THE 20
TO 30 KT RANGE MAINLY 19Z TO 23Z...EXCEPT IMMEDIATELY AT KAVL.
ANTICIPATE RESTRICTIONS WITH ANY TSTMS...POSSIBLY IFR...WITH
ADDITIONAL IFR TO MVFR RESTRICTIONS FORMING OVERNIGHT IN PLACES THAT
RECEIVE HEAVY RAINFALL. THE MOST EXTENDED DAYBREAK IFR CONDITIONS
SHOULD AFFECT KAVL IN THE FRENCH BROAD VALLEY. EXPECT BRIEF MVFR
CIGS WITH HEATING SUNDAY MORNING THEN VFR CIGS BEFORE THE NEXT ROUND
OF TSRA GETS GOING TOWARD THE END OF THE TAF PERIOD.

OUTLOOK...DEEP MOISTURE AND HIGH COVERAGE OF SHRA/TSRA WILL CONTINUE
THROUGH SUNDAY AFTN/EVENING AS A COLD FRONT MOVES SWD TOWARD THE
REGION FROM THE N. THE BOUNDARY MAY LINGER IN THE AREA THROUGH EARLY
NEXT WEEK...YIELDING DIURNAL SCT TO NUMEROUS TSTMS AND OVERNIGHT
RESTRICTIONS.

CONFIDENCE TABLE...

            21-03Z        03-09Z        09-15Z        15-21Z
KCLT       HIGH 100%     HIGH 100%     MED   78%     HIGH 100%
KGSP       HIGH 100%     HIGH 100%     MED   78%     HIGH 100%
KAVL       HIGH 100%     HIGH  92%     MED   62%     HIGH 100%
KHKY       HIGH 100%     HIGH 100%     HIGH  85%     HIGH 100%
KGMU       HIGH 100%     HIGH 100%     MED   78%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     MED   66%     HIGH  90%

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...DEO
NEAR TERM...HG/PM
SHORT TERM...CDG
LONG TERM...DEO
AVIATION...HG
Hazardous weather outlook, Aug 10, 2:57 PM EDT, 4 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
257 PM EDT SAT AUG 10 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111900-
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 NC-
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-UNION SC-CHESTER-GREENWOOD-
257 PM EDT SAT AUG 10 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA LATE THIS AFTERNOON THROUGH THIS
EVENING. THUNDERSTORM COVERAGE THROUGH THE EARLY EVENING HOURS
WILL BE GREATEST ACROSS THE FOOTHILLS...AS WELL AS ALONG PIEDMONT
AREAS OF WESTERN NORTH CAROLINA. A FEW OF THESE THUNDERSTORMS MAY
PRODUCE FLASH FLOODING OR DAMAGING WIND GUSTS. FLOODING WILL BE
MOST LIKELY IN LOCATIONS IMPACTED BY MULTIPLE ROUNDS OR LARGER
CLUSTERS OF THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE REGION
AGAIN ON SUNDAY. SEVERAL OF THESE STORMS MAY PRODUCE DAMAGING WIND
GUSTS AND EXCESSIVE RAINFALL.

.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 10, 3:23 PM EDT, 4 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
323 PM EDT SAT AUG 10 2013

NCZ068>070-102015-
CLEVELAND-GASTON-LINCOLN-
323 PM EDT SAT AUG 10 2013

...STRONG THUNDERSTORMS WILL AFFECT CLEVELAND...NORTHWESTERN GASTON
AND SOUTHWESTERN LINCOLN COUNTIES THROUGH 415 PM EDT...

AT 321 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF
CASAR TO 4 MILES SOUTH OF BOILING SPRINGS NC...MOVING EAST AT 10 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  SHELBY...
  EARL...
  CHERRYVILLE...

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS.

THE COMBINATION OF GUSTY WINDS AND WET SOIL CONDITIONS WILL CAUSE
SCATTERED TREES AND POWER LINES TO FALL. SEEK SHELTER INSIDER AN
INTERIOR ROOM.

HEAVY RAINS 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 3547 8124 3517 8134 3517 8150 3518 8177
      3525 8175 3535 8170 3552 8169

ARK
Local storm report, Aug 10, 3:38 PM EDT, 3 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
338 PM EDT SAT AUG 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     TSTM WND DMG     5 ESE MARION            35.65N 81.93W
08/10/2013                   MCDOWELL           NC   BROADCAST MEDIA

            A FEW TREES DOWN NEAR THE SOUTHERN END OF HARMONY GROVE
            ROAD.

&&

OUTLAW
Local storm report, Aug 10, 5:22 PM EDT, 2 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
522 PM EDT SAT AUG 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0342 PM     TSTM WND DMG     8 N CONOVER             35.83N 81.22W
08/10/2013                   ALEXANDER          NC   BROADCAST MEDIA

            TREES DOWN AND POWER LINES BLOCKING ROADS JUST OFF
            SPRINGS ROAD NEAR KOOL PARK, NORTH OF CONOVER.

&&

JPT
Local storm report, Aug 10, 5:46 PM EDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
546 PM EDT SAT AUG 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0457 PM     TSTM WND DMG     3 NW KANNAPOLIS         35.52N 80.66W
08/10/2013                   ROWAN              NC   COUNTY OFFICIAL

            1 TREE DOWN OFF WEST C STREET NW OF KANNAPOLIS.

&&

JPT
Special weather statement, Aug 10, 6:24 PM EDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
624 PM EDT SAT AUG 10 2013

NCZ082-SCZ009-102315-
UNION-YORK-
624 PM EDT SAT AUG 10 2013

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN YORK AND UNION
COUNTIES THROUGH 715 PM EDT...

AT 621 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTHWEST OF
FAIRVIEW TO 4 MILES NORTHEAST OF CATAWBA...MOVING EAST AT 15 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  FAIRVIEW...
  UNIONVILLE...
  MINERAL SPRINGS...
  MONROE...
  WINGATE...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED
WITH THESE STORMS.

HEAVY RAINS 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 3503 8029 3481 8051 3481 8079 3485 8081
      3486 8086 3486 8080 3494 8079 3497 8082
      3516 8057 3518 8028

ARK
Special weather statement, Aug 10, 7:22 PM EDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
722 PM EDT SAT AUG 10 2013

SCZ002-003-006-110000-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-
722 PM EDT SAT AUG 10 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PICKENS AND
NORTHERN GREENVILLE COUNTIES THROUGH 800 PM EDT...

AT 720 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MARIETTA...OR 15 MILES NORTHWEST OF DOWNTOWN
GREENVILLE...MOVING EAST AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MARIETTA...
  TRAVELERS REST...
  TIGERVILLE...
  LAKE ROBINSON...

PEA SIZE HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

THE COMBINATION OF GUSTY WINDS AND WET SOIL CONDITIONS WILL CAUSE
SCATTERED TREES AND POWER LINES TO FALL. SEEK SHELTER INSIDER AN
INTERIOR ROOM.

HEAVY RAINS 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 3494 8262 3512 8265 3519 8221 3496 8222
      3494 8252 3497 8253

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:01 PM EDTFlash Flood WarningGSPCabarrus119 min
Aug 10, 1:20 PM EDTAreal Flood AdvisoryGSPJackson, Transylvania2 hr
Aug 10, 1:37 PM EDTSpecial Weather StatementGSPIredell38 min
Aug 10, 1:45 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell60 min
Aug 10, 2:04 PM EDTAreal Flood AdvisoryGSPBurke, McDowell116 min
Aug 10, 2:09 PM EDTSpecial Weather StatementGSPMcDowell51 min
Aug 10, 2:22 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell, Rutherford53 min
Aug 10, 2:26 PM EDTSpecial Weather StatementGSPPolk64 min
Aug 10, 3:04 PM EDTAreal Flood AdvisoryGSPBurke, Caldwell, Catawba3 hr
Aug 10, 3:10 PM EDTSevere Thunderstorm WarningGSPAlexander, Burke, Caldwell, Catawba, Cleveland, Iredell and 1 more65 min
Aug 10, 3:23 PM EDTSpecial Weather StatementGSPCleveland52 min
Aug 10, 3:59 PM EDTSevere Thunderstorm WarningGSPCatawba, Gaston, Iredell, Lincoln, Mecklenburg61 min
Aug 10, 4:14 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan46 min
Aug 10, 4:36 PM EDTSevere Thunderstorm WarningGSPDavie, Rowan54 min
Aug 10, 6:24 PM EDTSpecial Weather StatementGSPUnion51 min
Aug 10, 7:00 PM EDTAreal Flood AdvisoryGSPTransylvania2 hr
Aug 10, 7:45 PM EDTSpecial Weather StatementGSPPolk45 min
Aug 10, 7:22 PM EDTSpecial Weather StatementGSPGreenville38 min
Aug 10, 11:48 AM EDTSpecial Weather StatementGSPRabun72 min
Aug 10, 7:12 PM EDTAreal Flood AdvisoryGSPHabersham108 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013Every severe thunderstorm warning in 2013

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.