Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 391, NWS Greenville-Spartanburg, SC

July 10, 2012Gaston County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2012, 5:11 PM EDT for Gaston County, North Carolina. It was in force for 64 min. 2 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
Jul 10, 2012, 5:11 PM EDT (21:11 UTC)
Expired
Jul 10, 2012, 6:15 PM EDT
In force
64 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Gaston County, NC

The radar

The Greer radar (KGSP), 105 km from the middle of the area, began a volume at 21:13 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
Jul 10, 5:21 PM EDTTSTM WND DMGGastonia, NCTREE DOWN ON PRIVATE PROPERTY. TIME BASED ON RADAR DATA. REPORT RECEIVED THROUGH SOCIAL MEDIA.
Jul 10, 5:22 PM EDTTSTM WND DMG1 Wsw Gastonia, NCTREE ON HOUSE AND POWER LINES DOWN ON JACKSON RD.

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 10 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.2 hours before the alert went out and 145 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 2012-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 526 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 2012-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 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
526 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
-47 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

320 
WUUS52 KGSP 102111
SVRGSP
NCC071-102215-
/O.NEW.KGSP.SV.W.0391.120710T2111Z-120710T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
511 PM EDT TUE JUL 10 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GASTON COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 615 PM EDT

* AT 509 PM EDT...NATIONAL WEATHER SERVICE 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
  DALLAS...OR NEAR GASTONIA...AND MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  GASTONIA.
  STANLEY.
  LOWELL.
  CRAMERTON.
  MOUNT HOLLY.
  BELMONT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3538 8098 3532 8099 3528 8101 3516 8102
      3517 8132 3520 8133 3526 8132 3529 8136
      3533 8136 3535 8139 3541 8141 3540 8097
TIME...MOT...LOC 2111Z 288DEG 11KT 3530 8119

$$

NED
3 follow-up statements
388 
WWUS52 KGSP 102128
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
528 PM EDT TUE JUL 10 2012

NCC071-102215-
/O.CON.KGSP.SV.W.0391.000000T0000Z-120710T2215Z/
GASTON NC-
528 PM EDT TUE JUL 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GASTON COUNTY
UNTIL 615 PM EDT...

AT 525 PM EDT...NATIONAL WEATHER SERVICE 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
CRAMERTON...OR NEAR GASTONIA...MOVING EAST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  CRAMERTON.
  MOUNT HOLLY.
  BELMONT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS AND HAIL THE SIZE OF ****EDIT SIZE**** ARE BEING
REPORTED WITH THIS STORM. SEEK SHELTER INSIDE AN INTERIOR ROOM.

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3538 8098 3532 8099 3528 8101 3516 8102
      3517 8132 3520 8133 3526 8132 3529 8136
      3533 8136 3535 8139 3541 8141 3540 8097
TIME...MOT...LOC 2128Z 288DEG 11KT 3523 8111

$$

NED
283 
WWUS52 KGSP 102147
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
547 PM EDT TUE JUL 10 2012

NCC071-102215-
/O.CON.KGSP.SV.W.0391.000000T0000Z-120710T2215Z/
GASTON NC-
547 PM EDT TUE JUL 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GASTON COUNTY
UNTIL 615 PM EDT...

AT 546 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH A
HISTORY OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM
WAS LOCATED NEAR CRAMERTON...OR 8 MILES EAST OF GASTONIA...MOVING 
EAST AT 15 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS AND ARE BEING REPORTED WITH THIS STORM. SEEK SHELTER 
INSIDE AN INTERIOR ROOM.

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3538 8098 3532 8099 3528 8101 3516 8102
      3517 8132 3520 8133 3526 8132 3529 8136
      3533 8136 3535 8139 3541 8141 3540 8097
TIME...MOT...LOC 2147Z 288DEG 11KT 3521 8104

$$

NED
710 
WWUS52 KGSP 102207
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
607 PM EDT TUE JUL 10 2012

NCC071-102217-
/O.EXP.KGSP.SV.W.0391.000000T0000Z-120710T2215Z/
GASTON NC-
607 PM EDT TUE JUL 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR GASTON COUNTY WILL EXPIRE AT
615 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA. 
HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3538 8098 3532 8099 3528 8101 3516 8102
      3517 8132 3520 8133 3526 8132 3529 8136
      3533 8136 3535 8139 3541 8141 3540 8097
TIME...MOT...LOC 2207Z 288DEG 11KT 3519 8097

$$

NED

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 Jul 10, 2:35 PM EDT, 2 hours 36 minutes earlier.

Area forecast discussion, Jul 10, 2:35 PM EDT, 2 hours 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
235 PM EDT TUE JUL 10 2012

.SYNOPSIS...
A COLD FRONT WILL BECOME STATIONARY ACROSS THE CAROLINAS AND
GEORGIA...AND WILL REMAIN IN THE AREA THROUGH FRIDAY. HIGH PRESSURE
WILL THEN MOVE INTO THE AREA FOR THE WEEKEND.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
CONVECTION BEGINNING TO FILL IN ACROSS THE WRN CWFA WHERE BETTER
INSTABILITY EXISTS. STILL EXPECT THE CONVECTION TO DEVELOP OVER OR
MOVE INTO THE ERN ARES AS THE AFTERNOON CONTINUES. 20 TO 25 KTS OF
EFFECTIVE BULK SHEAR HAS DEVELOPED FARTHER SOUTH ACROSS THE AREA
THAN MONDAY. THEREFORE...SEVERE STORMS COULD DEVELOP AND ORGANIZE
EVEN OVER THE ERN CWFA WHERE CLOUDS EARLY CLOUDS HAVE KEPT
INSTABILITY LOWER. THAT SAID...THE WRN CWFA HAS A BETTER CHC OF SVR
STORMS GIVEN THE HIGHER INSTABILITY AND DCAPE VALUES.

GUIDANCE SUGGESTS CONVECTION COULD LINGER LATE INTO THE EVENING OR
OVERNIGHT AS ATMOS REMAINS MOIST AND UNSTABLE. HOWEVER...GUIDANCE
CANNOT  AGREE ON THE EXACT LOCATION OR TIMING OF THE BETTER CHANCES
WITH DIFFERING PLACEMENT OF THE WEAK FRONTAL BOUNDARY. THEREFORE...
HAVE KEPT SCT CONVECTION ALL AREAS OVERNIGHT. LOWS WILL STILL BE
QUITE MILD BUT A COUPLE OF DEGREES LOWER THAN PREVIOUS MORNINGS.

THE MOIST UNSTABLE AIRMASS AND WEAK FRONTAL BOUNDARY REMAINS IN
PLACE OVER THE AREA WED AS DOES THE RIGHT ENTRANCE REGION OF THE
UPPER JET. WEAK SHORT WAVE ENERGY ALSO ROTATES INTO THE AREA
PROVIDING PLENTY OF SYNOPTIC SCALE SUPPORT FOR LIFT. THEREFORE...
EXPECT ANOTHER DAY WITH FAIRLY EARLY ONSET OF CONVECTION. THIS
CONVECTION SHUD AGAIN BECOME NUMEROUS IN COVERAGE BY AFTERNOON.
INSTABILITY AND DCAPE SHOULD BE LOWER. HOWEVER...WITH THE FRONTAL
BOUNDARY LINGERING...SOME LOCATIONS COULD SEE LESS CLOUDS AND HIGHER
INSTABILITY LIKE TUESDAY. THEREFORE...THE THREAT OF SVR STORMS WILL
CONTINUE...BUT MAY BE MORE LIMITED. HIGHS WILL LIKELY BE BELOW
NORMAL FOR THE FIRST TIME IN MANY DAYS.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
AS OF 2 PM TUESDAY...UNSETTLED WEATHER WILL CONTINUE THRU THE SHORT
TERM...AS THE CWFA REMAINS WITHIN A DEEP MOIST SLY FLOW REGIME.
GUIDANCE IN GOOD AGREEMENT ON UPPER RIDGE BUILDING TO OUR
EAST...WHILE A STATIONARY TROF LINGERS OVER THE LWR-MID MS VALLEY.
THE BULK OF THE QG FORCING AND UPR DIVERGENCE LOOKS TO REMAIN WEST
OF OUR AREA INVOF THE UPR TROF. HOWEVER...A LLVL WAVE WILL
STRENGTHEN UNDER THE TROF...AND RESULT IN INCREASED S/SELY LLVL FLOW
ACRS THE REGION FROM WED NGT THRU FRI. FCST SNDGS LOOK VERY MOIST
WITH PWATS REMAINING 1-2 STANDARD DEVIATIONS ABV NORMAL WITH WEAK
STEERING FLOW. THE INCREASED UPSLOPE AND OVERALL PERSISTENT
ISENTROPIC LIFT SHUD RESULT IN HIGH POPS PRETTY MUCH EVERY PERIOD
THRU FRIDAY. DEPENDING ON HOW MUCH RAIN WE RECEIVE IN THE NEAR
TERM...SOME SORT OF FLOOD WATCH MAY BE NEEDED FOR PORTIONS OF THE
CWFA (ESP IF CONFIDENCE IN WIDESPREAD CONVECTION IS HIGH FOR ANY
GIVEN PERIOD(S)). MODELS DIVERGE SOMEWHAT ON QPF FOR FRIDAY. THE 00Z
ECMWF KEEPS THE UPR TROF FURTHER WEST AND HAS LESS QPF OVR THE
REGION COMPARED TO THE GFS AND CMC. THE GFS AND NAM BOTH SHOW A
PRONOUNCED PSEUDO-WEDGE BNDRY SET UP ALONG THE SRN FRINGE OF THE
CWFA WITH VERY UNSTABLE AIR TO THE SOUTHEAST. WILL ADD MENTION OF
HEAVY RAIN/HYDRO THREAT IN THIS AFTN/S HWO WITH GENERAL WORDING. MAX
TEMPS THRU THE SHORT TERM WILL BE BELOW NORMAL UNDER
CLOUDS/PRECIP...AND MIN TEMPS AT OR SLIGHTLY ABV NORMAL.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 215 PM TUESDAY...UPR RIDGE SHUD CONTINUE TO BUILD JUST OFF THE
EAST COAST. THE STATIONARY TROF INVOF THE MS VALLEY WILL LIFT OUT
AND TRACK ACRS THE GREAT LAKES SUN-MON. THE 12Z GFS CONTINUES TO BE
THE DEEPEST WITH THE TROF...AND IS CONSIDERED AN OUTLIER SOLN BY
HPC. WITH THAT SAID...IT DOES HAVE SOME SUPPORT FROM THE 12Z GEFS
MEAN. THE HPC GUIDANCE LOOKS SIMILAR TO THE 00Z ECMWF...WHICH HAS
THE 500 MB RIDGE CENTERED OVER THE CAROLINAS DAYS 5-7. SO POPS SHUD
TREND LOWER AND TEMPS HIGHER INTO EARLY NEXT WEEK.

&&

.AVIATION /19Z TUESDAY THROUGH SUNDAY/...
AT KCLT...MVFR SHUD LIFT QUICKLY IN THE NEXT HOUR OR SO...LEAVING
VFR AND INCREASING TSRA CHANCE. EXPECT TSRA TO BE IN THE AREA MUCH
OF THE AFTERNOON AND EVENING. FOLLOWING TAF RULES...HAVE VFR TEMPO
TS BEGINNING AT 19Z. WILL AMD FOR ANY RESTRICTIONS AS CELLS APPROACH
THE AIRFIELD. CONVECTION COULD LINGER ALL NIGHT GIVEN THE MOIST
UNSTABLE AIRMASS AND FRONTAL BOUNDARY DRAPED OVER THE AREA...SO
PROB30 IN PLACE. LOOKS LIKE ANOTHER ROUND OF MVFR CIGS TOWARD
MORNING...SO HAVE INCLUDED THEM IN THE NORMAL TIME PERIOD. VFR WITH
PROB30 TSRA BY LATE MORNING WED. WINDS ARE ALL OVER THE PLACE WITH
THE BOUNDARY AND CONVECTION. HAVE GONE WITH CURRENT SLY WINDS THRU
EVENING...THEN TURN TO THE MDL CONSENSUS OF NELY OVERNIGHT AND WED
MORN.

ELSEWHERE...SIMILAR TRENDS TO KCLT...XCPT CONVECTION ON THE DOORSTEP
AT KAVL. HAVE STARTED WITH TEMPO TS AND RESTRICTIONS THERE. REST OF
THE SITES GET THEM AT 20Z. SC SITES AND KAVL THE MOST LIKELY TO SEE
ANY SIGNIFICANT WIND WITH THE CONVECTION...SO INCLUDED GUSTY WINDS
IN THE TEMPO THERE. VCTS OR PROB30 OVERNIGHT AS CONVECTION COULD
LINGER THRU THE NITE. MVFR CIGS LIKELY ALL BUT KAND...BUT COULD
OCCUR THERE AS WELL...BY MORNING...WITH MVFR VSBY LIKELY KAVL/KHKY.
EXPECT VFR WITH PRO30 BY LATE MORNING. WINDS SHUD HAVE A SLY
COMPONENT SC SITES INTO EVENING...WITH NLY NC SITES. NELY WIND
OVERNIGHT AND WED MORN.

OUTLOOK...SHRA/TSRA AREA EXPECTED TO BECOME NUMEROUS AGAIN ON
WEDNESDAY AFTERNOON WITH A STALLED FRONT ACROSS THE CAROLINAS AND A
WEAK UPPER TROUGH TO OUR WEST. THIS WILL BRING OCCASIONAL MVFR/IFR
RESTRICTIONS AROUND STORMS. THIS COULD OCCUR AGAIN THURSDAY AND
FRIDAY. AREAS OF MORNING FOG/STRATUS ARE POSSIBLE...ESP IN THE MTN
VALLEYS AND WHERE RAIN FALLS.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...PAT
NEAR TERM...RWH
SHORT TERM...ARK
LONG TERM...ARK
AVIATION...RWH
Hazardous weather outlook, Jul 10, 3:20 PM EDT, 1 hour 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
320 PM EDT TUE JUL 10 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111930-
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-
320 PM EDT TUE JUL 10 2012

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 REGION
THIS AFTERNOON INTO THIS EVENING. THESE THUNDERSTORMS WILL
PRODUCE CLOUD TO GROUND LIGHTNING....HEAVY RAINFALL...AND POSSIBLY
LOCALIZED FLOODING. STORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO
BECOME SEVERE...PRODUCING LARGE HAIL AND DAMAGING WIND.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A STATIONARY FRONT WILL LINGER ACROSS THE REGION THROUGH THE REST OF
THE WEEK. WITH NUMEROUS SHOWERS AND THUNDERSTORMS EXPECTED EACH
DAY THROUGH FRIDAY...EXCESSIVE RAINFALL AND LOCALIZED FLOODING
THREAT WILL INCREASE. THE FRONT WILL LIFT NORTH OF THE AREA THIS
WEEKEND.

.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

Local storm report, Jul 10, 4:39 PM EDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
439 PM EDT TUE JUL 10 2012

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

0338 PM     TSTM WND DMG     4 NNW GREER             35.00N 82.26W
07/10/2012                   GREENVILLE         SC   COUNTY OFFICIAL

            TREE DOWN ON WEST GAP CREEK RD NEAR HIGHWAY 101.

&&

MCAVOY
Special weather statement, Jul 10, 4:51 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
451 PM EDT TUE JUL 10 2012

SCZ010-102115-
ANDERSON-
451 PM EDT TUE JUL 10 2012

...A STRONG THUNDERSTORM WILL AFFECT WESTERN ANDERSON COUNTY THROUGH
515 PM EDT...

AT 449 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SADLERS CREEK STATE PARK...OR 9 MILES
NORTHEAST OF HARTWELL...MOVING NORTHEAST AT 10 MPH.

PEOPLE IN WESTERN ANDERSON COUNTY...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

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

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

LAT...LON 3438 8284 3445 8286 3449 8290 3448 8295
      3450 8296 3467 8280 3477 8259 3455 8257
      3433 8279

NED
Local storm report, Jul 10, 5:03 PM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
503 PM EDT TUE JUL 10 2012

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

0327 PM     TSTM WND DMG     6 WSW SIMPSONVILLE      34.69N 82.34W
07/10/2012                   GREENVILLE         SC   LAW ENFORCEMENT

            TREE IN ROADWAY AT W GEORGIA RD AND GARRISON RD. SCHP.
            TIME ESTIMATED WITH RADAR.

&&

ARK
Special weather statement, Jul 10, 5:05 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
505 PM EDT TUE JUL 10 2012

NCZ070-102130-
GASTON-
505 PM EDT TUE JUL 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN GASTON COUNTY THROUGH
530 PM EDT...

AT 501 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHEAST OF BESSEMER CITY...OR 6 MILES
NORTHWEST OF GASTONIA...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  DALLAS...
  STANLEY...

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM.

LAT...LON 3524 8110 3524 8132 3527 8133 3539 8137
      3540 8097

NED
Local storm report, Jul 10, 5:07 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
507 PM EDT TUE JUL 10 2012

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

0327 PM     TSTM WND DMG     2 SSE LANDRUM           35.15N 82.17W
07/10/2012                   SPARTANBURG        SC   BROADCAST MEDIA

            POWER LINES DOWN ON FRANK CLINTON RD AND ASHEVILLE HWY.
            WSPA FACEBOOK. TIME ESTIMATED WITH RADAR.

&&

ARK
Local storm report, Jul 10, 5:08 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
508 PM EDT TUE JUL 10 2012

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

0432 PM     TSTM WND DMG     PENDLETON               34.65N 82.78W
07/10/2012                   ANDERSON           SC   BROADCAST MEDIA

            *** 1 INJ *** A PERSON WAS TAKEN TO THE HOSPITAL AFTER
            BEING HIT BY A FALLING TREE ON MECHANIC STREET IN
            PENDLETON. EXTENT OF INJURIES UNKNOWN AT THIS TIME.

&&

MCAVOY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 12:09 PM EDTSpecial Weather StatementGSPMcDowell36 min
Jul 10, 12:31 PM EDTSpecial Weather StatementGSPTransylvania29 min
Jul 10, 12:48 PM EDTSpecial Weather StatementGSPTransylvania42 min
Jul 10, 1:03 PM EDTAreal Flood AdvisoryGSPTransylvania117 min
Jul 10, 1:15 PM EDTSpecial Weather StatementGSPHenderson30 min
Jul 10, 1:39 PM EDTSpecial Weather StatementGSPHenderson36 min
Jul 10, 1:44 PM EDTSpecial Weather StatementGSPHenderson31 min
Jul 10, 1:58 PM EDTSpecial Weather StatementGSPDavie47 min
Jul 10, 2:15 PM EDTSevere Thunderstorm WarningGSPDavie43 min
Jul 10, 5:05 PM EDTSpecial Weather StatementGSPGaston25 min
Jul 10, 5:14 PM EDTAreal Flood AdvisoryGSPMadison106 min
Jul 10, 5:43 PM EDTSevere Thunderstorm WarningGSPMecklenburg62 min
Jul 10, 5:55 PM EDTAreal Flood AdvisoryGSPGaston, Mecklenburg102 min
Jul 10, 6:21 PM EDTSevere Thunderstorm WarningGSPUnion54 min
Jul 10, 7:18 PM EDTSpecial Weather StatementGSPUnion27 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning in 2012

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.