Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 486, NWS Greenville-Spartanburg, SC

July 27, 2012Oconee County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 27, 2012, 7:14 PM EDT for Oconee County, Pickens County, South Carolina. It was in force for 44 min. 1 report 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 27, 2012, 7:14 PM EDT (23:14 UTC)
Expired
Jul 27, 2012, 7:58 PM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 23:14 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 27, 7:26 PM EDTTSTM WND DMG2 Wsw Salem, SCNUMEROUS TREES AND POWERLINES WERE BLOWN DOWN IN THE TAMASSEE COMMUNITY.

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 one storm report to this severe thunderstorm warning; the first came 12 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, 11.2 hours before the alert went out and 216 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 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2176 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, Peachtre/Fal Fld, GA at 12:00Z on 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 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
2176 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

806 
WUUS52 KGSP 272314
SVRGSP
SCC073-077-280015-
/O.NEW.KGSP.SV.W.0486.120727T2314Z-120728T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
714 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...
  WESTERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 815 PM EDT

* AT 710 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
  MOUNTAIN REST...OR 7 MILES NORTH OF WALHALLA...AND MOVING EAST AT
  15 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  SALEM.
  LAKE KEOWEE.
  NINE TIMES.

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 3492 8317 3492 8316 3493 8315 3493 8313
      3494 8313 3494 8312 3495 8312 3497 8312
      3502 8273 3473 8274 3479 8318
TIME...MOT...LOC 2314Z 269DEG 14KT 3488 8306

$$

ARK
1 follow-up statement
417 
WWUS52 KGSP 272358
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
758 PM EDT FRI JUL 27 2012

SCC073-077-280008-
/O.CAN.KGSP.SV.W.0486.000000T0000Z-120728T0015Z/
OCONEE SC-PICKENS SC-
758 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN PICKENS AND
NORTHEASTERN OCONEE COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.

LAT...LON 3492 8317 3492 8316 3493 8315 3493 8313
      3494 8313 3494 8312 3495 8312 3497 8312
      3502 8273 3473 8274 3479 8318
TIME...MOT...LOC 2358Z 269DEG 14KT 3488 8285

$$

ARK

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 27, 2:29 PM EDT, 4 hours 45 minutes earlier.

Area forecast discussion, Jul 27, 2:29 PM EDT, 4 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
229 PM EDT FRI JUL 27 2012

.SYNOPSIS...
A WEAK COOL FRONT WILL SLOWLY SETTLE SOUTHEAST ACROSS THE REGION
THROUGH THE WEEKEND BEFORE GRADUALLY DISSIPATING. ANOTHER WEAK FRONT
IS EXPECTED TO APPROACH THE REGION BY THE MIDDLE OF NEXT WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
AS OF 230 PM...SCATTERED STRONG THUNDERSTORMS HAVE FIRED AS
ANTICIPATED AND EXPECT THEY WILL BECOME NUMEROUS IN THE MID TO
LATE AFTERNOON HOURS ACROSS THE NORTHERN TIER. UPPER VORT MAX
MOVING ACROSS UPSTATE SC AND GENERALLY LOWERING HEIGHTS ALOFT
DRIVING THE CONVECTION. IN REGARD TO THE SEVERE THREAT...THE MID
LEVEL FLOW WILL BE MUCH BETTER TO THE N OF OUR AREA THIS
AFTN...BUT 500 MB WINDS COULD APPROACH 25 KT ACROSS THE FAR NRN
TIER WHICH WOULD SUPPORT A MULTICELL MODE THERE. FARTHER TO THE
SOUTH...THE STRONGLY HEATED BOUNDARY LAYER WILL PRODUCE CAPES OF
1500-2000J WHICH WILL SUPPORT A PULSE SEVERE THREAT PRIMARLY FOR
WET MICROBURSTS.

EXPECT CONVECTION TO WANE QUICKLY AFTER 00Z AS WEAK NVA SETTLES IN
BEHIND THE VORT. HOWEVER...A WEAK AREA OF CONVERGENCE OVER THE
EASTERN UPSTATE MAY ALLOW A COUPLE ISOLATED STORMS TO HANG ON
THERE INTO THE LATE EVENING PER NAM/GFM RESPONSE THAT AREA.

EXPECT GENERALLY A QUIET OVERNIGHT PERIOD WITH DISSIPATING DEBRIS
CLOUDS AND SOME MOUNTAIN VALLEY FOG LATE. A BLEND OF BIAS CORRECTED
MOS INDICATES THAT MIN TEMPS SHOULD BE ABOUT A CATEGORY LOWER THAN
LAST NIGHT...BUT STILL ABOVE AVERAGE.

ON SAT...THE MORNING SHOULD BE GENERALLY QUIET. HOWEVER...DURING THE
AFTERNOON A SECONDARY COLD FRONT WILL CROSS THE AREA FROM NW TO SE.
THIS FRONT WILL BE DRIVEN BY A RATHER IMPRESSIVE SHORT WAVE FOR MID
SUMMER IN THE DEEP SOUTH. HENCE...EXPECT CONVECTIVE DEVELOPMENT
DURING THE MID/LATE AFTERNOON HOURS WITH BEST COVERAGE FROM THE NC
FOOTHILLS ACROSS THE NC PIEDMONT...BUT EXTENDING WEST INTO THE
EASTERN UPSTATE OF SC. SOUNDINGS INDICATE SOME DRY AIR ALOFT SO A
DAMAGING WIND THREAT WILL BE PRESENT AS WELL. MAX TEMPS ON SAT SHOULD
BE ABOUT A CATEGORY LOWER THAN TODAY BASED ON A MOS BLEND. SO NO
HEAT ADVIORY NECESSARY ON SAT ALTHOUGH IT WILL REMAIN HOT AND ABOVE
AVERAGE.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AT 200 PM EDT FRIDAY...AN UPPER TROUGH WILL REMAIN ALONG THE EAST
COAST FROM SATURDAY NIGHT THROUGH MONDAY. A SHORTWAVE WILL EXIT THE
BASE OF THE TROUGH ON SATURDAY NIGHT...AND ANOTHER WILL MOVE INTO
THE THE TROUGH ON SUNDAY. THE REMAINS OF A FRONT WILL BE LOCATED
JUST SOUTHEAST OF OUR AREA ON SUNDAY...AND DEW POINTS SLIGHTLY BELOW
NORMAL ARE EXPECTED. MODEL TIME HEIGHTS SUGGEST A LINGERING MOIST
LAYER BETWEEN 850 AND 700 MB...WITH WEAK UPWARD VERTICAL MOTION
PRESENT. CHANCE POPS WILL BE CARRIED ON SUNDAY... FAVORING THE
MOUNTAINS FOR OROGRAPHIC EFFECTS...AND THE PIEDMONT WHICH WILL BE
CLOSER TO THE FRONT AND BETTER MOISTURE. NAM SOUNDINGS APPEAR
FAVORABLE FOR SEVERE WEATHER...WITH INSTABILITY AND MODEST LOW LEVEL
SHEAR. GFS SOUNDING ARE CHARACTERISTICALLY LESS UNSTABLE....AND ALSO
HAVE LESS SHEAR. TEMPERATURES WILL BE NEAR NORMAL.

ON SUNDAY NIGHT THE SECOND SHORTWAVE ROUNDS THE BASE OF THE
TROUGH... AND ON MONDAY IT EXITS THE AREA. THE OLD SURFACE BOUNDARY
REMAINS JUST OFF TO OUR EAST...AND THE 850 TO 700 MB LAYER REMAINS
MOIST. WITH NO APPARENT UPPER LEVEL FORCING...ONLY VERY SMALL POPS
WILL BE CARRIED IN AN AIR MASS THAT REMAINS UNSTABLE...WITH SURFACE
DEW POINTS RECOVERING TO NEAR NORMAL VALUES.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 1215 PM FRIDAY...MEDIUM RANGE MODELS ARE CONTINUING TO
ADVERTISE THE POTENTIAL FOR ENERGY ROTATING INTO THE REGION ON
TUESDAY WITHIN THE BASE OF LINGERING EASTERN CONUS L/WV TROUGH.
GIVEN THE UNSETTLED LOOK OF THE LARGE SCALE PATTERN...SOLID CHANCE
POP WILL BE NUDGED UPWARD. INTO WEDNESDAY...THERE LOOKS TO BE LITTLE
CHANGE IN THE MEAN PATTERN AND ASSOCIATED SENSIBLE WX...DIURNALLY
ENHANCED TSTM CHANCES. DAILY TEMPERATURES WILL CONTINUE TO BE WITHIN
A FEW DEGREES OF CLIMO. I WOULD EXPECT ABOVE CLIMO TSTM CHANCES TO
CONTINUE INTO THURSDAY AS WELL GIVEN THE ONLY NOMINAL CHANGE TO THE
PATTERN ACRS THE EASTERN CONUS. THE LATEST ECMWF IS HINTING AT A
TRANSITION TOWARD A WEAKER/DEAMPLIFYING FLOW REGIME BY THE END OF
PERIOD. NEW DAY 7 POPS WILL FEATURE SLIGHT AND/OR SMALL DIURNAL
TSTM CHANCES AND TEMPERATURES NEAR PERSISTENCE.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...TIMING OF CONVECTION AT THE AIRPORT IS MAIN PROBLEM.
LATEST LOCAL WRF RUN SEEMS TO BE CAPTURING CONVECTIVE TRENDS AND IT
SUGGESTS THUNDERSTORMS AROUND 20Z FOR THE AIRFIELD. HENCE...WILL RUN
A TEMPO FOR TSRA FROM 20-22Z AND THEN A VCSH TIL AROUND 00Z. EXPECT
AFTER 00Z ONLY SOME CONVECTIVE DEBRIS CLOUDS. IF SUBSTANTIAL RAIN
OCCURS AT THE AIRFIELD...CAN'T RULE OUT SOME MVFR TYPE FOG EARLY ON
SAT...BUT FOR NOW HAVE NOT INTRODUCED THAT. ON SAT...THE MORNING
SHOULD BE QUIET WITH CONVECTION ARRIVING AFTER THIS TAF TIMEFRAME.

ELSEWHERE...SCATTERED TO NUMEROUS THUNDERSTORMS THIS AFTERNOON
ACROSS THE AREA TRIGGERED BY AN UPPER AIR DISTURBANCE.
HENCE...EXPECT ALL AIRFIELDS TO BE AFFECTED IN APPROXIMATELY 19Z-23Z
TIMEFRAME. EXPECT CONVECTION TO WANE QUICKLY AFTER 00Z AS TROUGH
MOVES TO THE EAAT. EXPECT SOME IFR/LIFR MOUNTAIN VALLEY FOG AND
AROUND KHKY AS EXPECT MOST AREAS TO HAVE SOME RAINFALL. CONVECTION
ON SAT SHOULD BE AFTER THIS TAF PERIOD.

OUTLOOK...A DAILY CHANCE OF SCT AFTERNOON CONVECTION WILL THEN
CONTINUE INTO THE MIDDLE OF NEXT WEEK AS AN UPPER TROF REMAINS OVER
THE AREA.

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...HEAT ADVISORY UNTIL 7 PM EDT THIS EVENING FOR GAZ029.
NC...HEAT ADVISORY UNTIL 7 PM EDT THIS EVENING FOR NCZ071-072-082.
SC...HEAT ADVISORY UNTIL 7 PM EDT THIS EVENING FOR SCZ009-011>014-
     019.

&&

SYNOPSIS...CSH
NEAR TERM...LG
SHORT TERM...JAT
LONG TERM...CSH
AVIATION...LG
Hazardous weather outlook, Jul 27, 6:21 AM EDT, 12 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
621 AM EDT FRI JUL 27 2012

GAZ018-026-028-NCZ036-037-057-068>070-508-510-SCZ001>008-010-281030-
STEPHENS-FRANKLIN-HART-IREDELL-DAVIE-ROWAN-CLEVELAND-LINCOLN-GASTON-
GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-ANDERSON-
621 AM EDT FRI JUL 27 2012

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

.DAY ONE...TODAY AND TONIGHT.

A WARM AND HUMID AIR MASS WILL REMAIN IN PLACE ACROSS THE AREA
TODAY. HEAT INDEX VALUES ARE EXPECTED TO RANGE BETWEEN 100 AND 104
ACROSS MUCH OF THE PIEDMONT...AS WELL AS PORTIONS OF THE FOOTHILLS
OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA.

THE ATMOSPHERE WILL ALSO BECOME QUITE UNSTABLE THIS AFTERNOON...
AND COVERAGE OF SHOWERS AND THUNDERSTORMS SHOULD INCREASE AS A
WEAK COLD FRONT APPROACHES FROM THE WEST. A FEW OF THESE STORMS
WILL LIKELY BECOME SEVERE...WITH LOCALIZED DAMAGING WINDS BEING
THE PRIMARY THREAT. SOME OF THE STRONGER STORMS MAY ALSO PRODUCE A
BRIEF PERIOD OF LARGE HAIL. HEAVY RAIN AND FREQUENT CLOUD TO
GROUND LIGHTNING CAN OCCUR WITH ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

GAZ029-NCZ071-072-082-SCZ009-011>014-019-281030-
ELBERT-MECKLENBURG-CABARRUS-UNION NC-YORK-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
621 AM EDT FRI JUL 27 2012

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

THE ATMOSPHERE WILL BECOME QUITE UNSTABLE ACROSS SOUTHERN PIEDMONT
AREAS THIS AFTERNOON...AND COVERAGE OF SHOWERS AND THUNDERSTORMS
SHOULD INCREASE AS A WEAK COLD FRONT APPROACHES FROM THE WEST. A
FEW OF THESE STORMS WILL LIKELY BECOME SEVERE...WITH LOCALIZED
DAMAGING WINDS BEING THE PRIMARY THREAT. SOME OF THE STRONGER
STORMS MAY ALSO PRODUCE A BRIEF PERIOD OF LARGE HAIL. HEAVY RAIN
AND FREQUENT CLOUD TO GROUND LIGHTNING CAN OCCUR WITH ANY
THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

GAZ010-017-NCZ033-035-048>053-056-058-059-062>065-501>507-509-281030-
RABUN-HABERSHAM-AVERY-ALEXANDER-MADISON-YANCEY-MITCHELL-SWAIN-
HAYWOOD-BUNCOMBE-CATAWBA-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
621 AM EDT FRI JUL 27 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE ATMOSPHERE WILL BECOME QUITE UNSTABLE ACROSS THE MOUNTAINS AND
NORTHERN FOOTHILLS THIS AFTERNOON...AND COVERAGE OF SHOWERS AND
THUNDERSTORMS SHOULD INCREASE AS A WEAK COLD FRONT APPROACHES FROM
THE WEST. A FEW OF THESE STORMS WILL LIKELY BECOME SEVERE...WITH
LOCALIZED DAMAGING WINDS BEING THE PRIMARY THREAT. SOME OF THE
STRONGER STORMS MAY ALSO PRODUCE A BRIEF PERIOD OF LARGE HAIL.
HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING CAN OCCUR WITH
ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

LANE

In the hours before

Local storm report, Jul 27, 6:15 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
615 PM EDT FRI JUL 27 2012

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

0444 PM     TSTM WND DMG     2 WSW THICKETTY         35.00N 81.75W
07/27/2012                   CHEROKEE           SC   911 CALL CENTER

            POWER LINE DOWN ON CRENSHAW RD.

&&

MCAVOY
Local storm report, Jul 27, 6:16 PM EDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
616 PM EDT FRI JUL 27 2012

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

0553 PM     TSTM WND DMG     DAVIDSON                35.50N 80.85W
07/27/2012                   MECKLENBURG        NC   PUBLIC

            TREES DOWN IN THE VICINITY OF DAVIDSON.

&&

OUTLAW
Local storm report, Jul 27, 6:31 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
631 PM EDT FRI JUL 27 2012

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

0605 PM     TSTM WND DMG     3 ESE MOUNT ULLA        35.63N 80.67W
07/27/2012                   ROWAN              NC   TRAINED SPOTTER

            TREES AND POWER LINES DOWN ALONG GRAHAM RD NEAR HIGHWAY
            150.

&&

MCAVOY
Special weather statement, Jul 27, 6:36 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
636 PM EDT FRI JUL 27 2012

NCZ057-272315-
ROWAN-
636 PM EDT FRI JUL 27 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ROWAN COUNTY
THROUGH 715 PM EDT...

AT 634 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR RICHFIELD...OR 8 MILES NORTH OF ALBEMARLE...
MOVING EAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO GOLD HILL.

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

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3550 8035 3553 8037 3559 8021 3558 8020
      3555 8020 3552 8018 3550 8018

07
Local storm report, Jul 27, 6:46 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
646 PM EDT FRI JUL 27 2012

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

0452 PM     TSTM WND DMG     4 N TAYLORSVILLE        35.98N 81.18W
07/27/2012                   ALEXANDER          NC   FIRE DEPT/RESCUE

            TWO TREES DOWN NEAR THE INTERSECTION OF VASHTI ROAD AND
            HIGHWAY 16 ALONG WITH 3 LARGE LIMBS DOWN ON A NEARBY
            RESIDENCE.

0536 PM     TSTM WND DMG     3 SW YORK               34.96N 81.27W
07/27/2012                   YORK               SC   911 CALL CENTER

            TREES DOWN IN THE SHARON AND YORK AREA.

0614 PM     TSTM WND DMG     FORT MILL               35.01N 80.94W
07/27/2012                   YORK               SC   911 CALL CENTER

            TREES DOWN AROUND FORT MILL.

&&

OUTLAW
Special weather statement, Jul 27, 6:49 PM EDT, 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
649 PM EDT FRI JUL 27 2012

NCZ072-272315-
CABARRUS-
649 PM EDT FRI JUL 27 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN CABARRUS COUNTY
THROUGH 715 PM EDT...

AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MIDLAND...OR 12 MILES SOUTHEAST OF
CONCORD...MOVING NORTHEAST AT 20 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO MIDLAND.

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

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3528 8043 3521 8048 3519 8050 3519 8052
      3524 8061 3530 8065 3545 8033 3544 8033

07

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 1:20 PM EDTSpecial Weather StatementGSPGreenwood25 min
Jul 27, 1:52 PM EDTSpecial Weather StatementGSPAbbeville38 min
Jul 27, 2:20 PM EDTSpecial Weather StatementGSPOconee40 min
Jul 27, 2:32 PM EDTSpecial Weather StatementGSPLaurens43 min
Jul 27, 2:52 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens53 min
Jul 27, 3:31 PM EDTSpecial Weather StatementGSPGreenville29 min
Jul 27, 3:33 PM EDTSpecial Weather StatementGSPPickens42 min
Jul 27, 3:39 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee, Pickens50 min
Jul 27, 4:12 PM EDTSpecial Weather StatementGSPSpartanburg48 min
Jul 27, 4:19 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union56 min
Jul 27, 4:24 PM EDTSpecial Weather StatementGSPGreenville51 min
Jul 27, 4:32 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg, Union58 min
Jul 27, 4:54 PM EDTSpecial Weather StatementGSPAbbeville36 min
Jul 27, 5:06 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Laurens, Spartanburg, Union, York54 min
Jul 27, 5:40 PM EDTSpecial Weather StatementGSPAbbeville, Laurens35 min
Jul 27, 5:51 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens54 min
Jul 27, 5:53 PM EDTSevere Thunderstorm WarningGSPChester, Union, York51 min
Jul 27, 6:41 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens64 min
Jul 27, 7:41 PM EDTSpecial Weather StatementGSPAbbeville, Greenwood49 min

Nearby

Severe Thunderstorm Warnings in South 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.