Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 290, NWS Greenville-Spartanburg, SC

July 1, 2012Anderson County, Greenville County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 1, 2012, 11:22 PM EDT for Anderson County, Greenville County, Laurens County, South Carolina. It was in force for 34 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 1, 2012, 11:22 PM EDT (03:22 UTC)
Expired
Jul 1, 2012, 11:56 PM EDT
In force
34 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Anderson County, SC, Greenville County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 30 km from the middle of the area, began a volume at 03:22 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 1, 11:42 PM EDTTSTM WND DMG2 Wnw Honea Path, SCSEVERAL TREES DOWN ON AUSTIN 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 one storm report to this severe thunderstorm warning; the first came 20 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 00:00Z, 3.4 hours before the alert went out and 243 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 00:00Z on 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1719 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 00:00Z on 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
1719 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
2371 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
42 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.

131 
WUUS52 KGSP 020322
SVRGSP
SCC007-045-059-020415-
/O.NEW.KGSP.SV.W.0290.120702T0322Z-120702T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1122 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHWESTERN LAURENS COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 1215 AM EDT

* AT 1118 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
  PIEDMONT...OR 11 MILES SOUTHWEST OF DOWNTOWN GREENVILLE...AND
  MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  WILLIAMSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY LARGE HAIL DRIVEN BY STRONG WINDS POSES A SERIOUS THREAT OF
INJURY. EXTENSIVE DAMAGE TO HOMES AND VEHICLES WILL ALSO OCCUR. SEEK
SHELTER INSIDE AN INTERIOR ROOM.

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING FREQUENT AND INTENSE
LIGHTNING. TURN OFF ELECTRICAL APPLIANCES. DO NOT USE CORDED
TELEPHONES. DO NOT TAKE A BATH OR SHOWER.

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 3461 8212 3442 8243 3470 8265 3482 8244
TIME...MOT...LOC 0323Z 319DEG 14KT 3470 8248

$$

JOH
1 follow-up statement
601 
WWUS52 KGSP 020356
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1156 PM EDT SUN JUL 1 2012

SCC007-045-059-020406-
/O.CAN.KGSP.SV.W.0290.000000T0000Z-120702T0415Z/
ANDERSON SC-LAURENS SC-GREENVILLE SC-
1156 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GREENVILLE...
NORTHWESTERN LAURENS AND NORTHEASTERN ANDERSON COUNTIES IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.  HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3461 8212 3442 8243 3470 8265 3482 8244
TIME...MOT...LOC 0356Z 319DEG 14KT 3460 8238

$$

JOH

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 1, 10:25 PM EDT, 57 minutes earlier.

Area forecast discussion, Jul 1, 10:25 PM EDT, 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1025 PM EDT SUN JUL 1 2012

.SYNOPSIS...
STRONG AND DEEP LAYERED HIGH PRESSURE WILL CONTINUE TO PRODUCE WELL
ABOVE NORMAL TEMPERATURES OVER THE COUPLE OF DAYS. SOME RELIEF WILL
BEGIN BY MID WEEK...HOWEVER ABOVE NORMAL TEMPERATURES WILL PERSIST
INTO THE WEEKEND.

&&

.NEAR TERM /THROUGH MONDAY/...
0230 UTC UPDATE...POPS AND QPF HAVE BEEN INCREASED IN THE UPPER
SAVANNAH RIVER VALLEY AND THE INTERSTATE 77 CORRIDOR IN SC BASED ON
RADAR TRENDS.

AT 10 PM EDT SUNDAY...AN ANOMALOUS UPPER TROUGH WAS LOCATED ALONG
THE EAST COAST THIS EVENING...WHILE AN UPPER RIDGE WAS CENTERED OVER
THE WESTERN PLAINS. OUR AREA REMAINS AN UNSTABLE AIR MASS...WITH
SUBSTANTIAL CAPE OVER THE SW PORTION OF THE AREA WHERE THE LEAST
CONVECTION HAS OCCURRED. WITH SEVERE THUNDERSTORMS CONTINUING...THE
SEVERE THUNDERSTORM WATCH WILL EXTENDED IN TIME ONE HOUR IN UPSTATE
SC. THE NC COUNTIES WILL BE CLEARED FROM THE WATCH. RADAR SHOWS NEW
CONVECTION DEVELOPING FORM THE GREAT SMOKE MOUNTAINS TO THE KGSP
AREA...AND THIS IS LIKELY TO CONTINUE FOR SEVERAL HOURS. SATELLITE
IMAGERY SHOWS ANOTHER BAND OF CONVECTION IN THE OH RIVER VALLEY...
THAT MAY SURVIVE TO CROSS THE APPALACHIANS. IT APPEARS THAT IF THIS
SECOND ROUND OF ACTIVITY MAKES IT INTO OUR AREA...IT WOULD BE THE
NORTHERN MOST PORTION OF OUR AREA IN NC. MINIMUM TEMPERATURES WILL
BE ABOVE NORMAL UNDER THE INFLUENCE OF THE EASTERN EXTENSION OF THE
UPPER RIDGE...BUT FORECAST VALUES HAVE BEEN LOWERED SEVERAL DEGREES
EAST OF THE MOUNTAINS...AS RAINFALL HAS ALREADY LOWERED TEMPERATURES
BELOW THE PREVIOUS FORECAST MINIMUMS.

WITH THE RIDGE BREAKING DOWN SOMEWHAT...AND THE ASSOCIATED ENHANCED
MCV POTENTIAL...NOT TO MENTION ANOTHER DAY OF VERY UNSTABLE
AIR...COVERAGE OF CONVECTION SHOULD BE SLIGHTLY BETTER
TOMORROW...ESP ACROSS THE NC ZONES. 30-40 POPS WILL BE CARRIED FOR
MOST OF THE AREA. IT IS NOT EXPECTED TO BE AS HOT TOMORROW...DUE TO
SLIGHTLY LOWER THICKNESS VALUES. ALTHOUGH HEAT ADVISORY CRITERIA MAY
BE REACHED ACROSS PORTIONS OF THE PIEDMONT...IT DOESNT APPEAR AN
EXCESSIVE HEAT WATCH IS NECESSARY ATTM.

&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
AS OF 225 PM SUNDAY...THE CENTER OF THE H590 RIDGE WILL REMAIN
CENTERED OVER THE FL PANHANDLE TUESDAY AND WEDNESDAY. THE SHIFT IN
THE RIDGE WILL PLACE THE FORECAST AREA IN WEAK NW FLOW ALOFT. THE
NAM...GFS...AND ECMWF INDICATE THAT CONVECTION IS POSSIBLE ACROSS
THE REGION DURING THE AFTERNOON AND EVENING ON TUESDAY. FORECAST
SOUNDINGS FROM THE GFS INDICATE THAT MID LEVEL TEMPS MAY WARM
SLIGHTLY FROM TODAY AND MONDAY...RESULTING IN SHALLOWER LAPSE RATES.
I WILL FORECAST CHC POPS OVER THE MTNS DURING THE EARLY
AFTERNOON...THEN CHC POPS EXPANDING EAST OF THE MTNS DURING THE
LATE AFTERNOON AND EVENING. HIGHS ARE FORECAST TO REACH WELL INTO
THE U90S EAST OF THE MTNS...BUT LIKELY BREAKING OUR CURRENT STREAK
OF 100 OR GREATER. RECORD TEMPS MAY BE TIED OR BROKEN.

ON INDEPENDENCE DAY...MODELS INDICATE THAT A MID LEVEL SHORT WAVE
WILL RIPPLE TOWARD THE CWA DURING THE LATE AFTERNOON AND EVENING.
THIS FEATURE WILL LIKELY STEEP LAPSE RATES AND PROVIDE SOME MID
LEVEL SUPPORT. IN ADDITION...A LEE TROF SHOULD DEVELOP DURING THE
AFTERNOON...AIDING IN LLVL MOISTURE CONVERGENCE. GIVEN THESE
FEATURES AND DIURNAL INSTABILITY IT APPEARS THAT COVERAGE WILL BE A
LITTLE GREATER ON THE 4TH. I WILL FORECAST 50 POPS OVER THE RIDGES
AND 30S EAST. TEMPERATURES SHOULD RANGE FROM AROUND 90 WITHIN THE
MTN VALLEYS TO MID TO U90S EAST...LIKELY SHORT OF RECORDS.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
AS OF 100 PM SUNDAY...DECENT MODEL AGREEMENT AND CONFIDENCE IS HAD
IN THE EXT RANGE FCST. THE 00Z ECMWF IS A BIT OF AN OUTLIER WITH A
BROAD UPPER RIDGE DOMINATING THE SE CONUS WX...WHILE THE 12Z GFS/CMC
ALLOW FOR MORE DEEP LAYERED MERIDIONAL FLOW AND THUS A MORE ACTIVE
MCS TRACK SCENARIO THROUGH MUCH OF THE PERIOD. THERE WILL BE AMPLE
LLVL MOISTURE SUPPLIED BY THE H85 HIGH FLOW RETURNING EAST OUT OF THE
GULF AND A FAIRLY DEFINITIVE LEE SIDE TROF FOR A FOCUSING REGION OF
MOISTURE AND AFTERNOON CONVECTION EACH AFTERNOON. ALONG WITH THE
PROBABLE NOCTURNAL MCS ACTIVITY...THE EXT RANGE SHOULD BE A BIT
ABOVE NORMAL CONVECTIVELY WITH STRONG TO SEVERE STORMS DEVELOPING
EACH DAY. MODEL SOUNDINGS INDICATE A STAGNANT SFC-H5 AIRMASS ON THU
AND PW/S AROUND 1.7 INCHES. NO LLVL JET WILL BE IN THE
VICINITY...YET STILL THE THREAT MAY BE THERE FOR PERSISTENT HEAVY
PRECIP AND LOCALIZED FLOODING. MAX TEMPS WILL STILL BE HOT AS THE
LLVL FLOW MAINTAINS A COMPONENT OF DOWNSLOPE WARMING IN A GENERAL
LARGE SCALE SUBSIDENCE PATTERN. MAX TEMPS SHOULD BE IN THE L/M90S
NON/MTNS AND U80S MTN VALLEYS EACH DAY. MIN TEMPS WILL ALSO REMAIN A
COUPLE CATS ABOVE NORMAL THROUGH THE PERIOD.

&&

.AVIATION /03Z MONDAY THROUGH FRIDAY/...
AT KCLT...CONVECTION WILL LEAVE THE AREA AND DEPART TO THE SOUTHEAST
EARLY THIS EVENING. A CONSENSUS OF MODEL DATA IS NOT SUPPORTIVE OF
MORNING FOG RESTRICTIONS WILL BE CARRIED AT THIS TIME. SCATTERED LOW
CLOUDS WILL REMAIN IN THE AREA. THERE IS A CHANCE THAT CONVECTION IN
THE OH VALLEY WILL ARRIVE LATE TONIGHT...BUT THAT CHANCE IS TOO LOW
TO MENTION AT THIS TIME. WINDS ARE EXPECTED TO BE LIGHT FROM THE
SOUTH TONIGHT...AND LIGHT FROM THE NORTH ON MONDAY. CONVECTIVE WILL
NOT BE MENTIONED IN THE TAF DUE TO LOW CONFIDENCE IN COVERAGE AND
TIMING.

ELSEWHERE...CONVECTION WILL DIMINISH AND MOVE OFF TO THE SOUTHEAST
THIS EVENING. THE BEST CHANCE FOR DAYBREAK FOG RESTRICTIONS WILL BE
AT KAVL...WHERE GUIDANCE LENDS SUPPORT...AND KHKY...WHERE RAINFALL
OCCURRED THIS AFTERNOON. SCATTERED LOW CLOUDS WILL PERSIST INTO
MONDAY. CONVECTIVE WILL NOT BE MENTIONED IN THE TAFS DUE TO LOW
CONFIDENCE IN COVERAGE AND TIMING.

OUTLOOK...GRADUAL INCREASE IN AIR MASS MOISTURE AND CHANGES IN
STEERING FLOW MAY RESULT IN AN INCREASE IN TSRA POTENTIAL THROUGH
THE WEEK.

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

&&

.CLIMATE...
RECORD HIGH TEMPERATURES THAT WILL BE APPROACHED AND POSSIBLY
EXCEEDED...

AVL
JULY 1ST  96 IN 1954
JULY 2ND  93 IN 1970
JULY 3RD  93 IN 1970

GSP
JULY 1ST   99 IN 1970
JULY 2ND  101 IN 1954
JULY 3RD   99 IN 1931
JULY 4TH  100 IN 1993

CLT
JULY 1ST   99 IN 1954
JULY 2ND  101 IN 1931
JULY 3RD   99 IN 1970
JULY 4TH   99 IN 1993

&&

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

&&

SYNOPSIS...SBK
NEAR TERM...JAT/JDL
SHORT TERM...NED
LONG TERM...SBK
AVIATION...JAT
CLIMATE...
Hazardous weather outlook, Jul 1, 2:15 PM EDT, 9 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
215 PM EDT SUN JUL 1 2012

NCZ036-037-056-057-508-510-SCZ001>007-010-021815-
IREDELL-DAVIE-CATAWBA-ROWAN-GREATER RUTHERFORD-EASTERN POLK-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
ANDERSON-
215 PM EDT SUN JUL 1 2012

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 445 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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

.DAY ONE...THIS AFTERNOON 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.
   SEVERE THUNDERSTORM WATCH.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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

GAZ010-017-NCZ033-048>053-058-059-062>065-501>506-021815-
RABUN-HABERSHAM-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-
215 PM EDT SUN JUL 1 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
THE MOUNTAINS THIS AFTERNOON INTO TONIGHT. A FEW OF THESE STORMS
ARE EXPECTED TO BECOME SEVERE...WITH THE MAIN THREAT BEING
DAMAGING WIND GUSTS. A FEW STORMS MAY PRODUCE LARGE HAIL AS WELL.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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

GAZ018-026-028-021815-
STEPHENS-FRANKLIN-HART-
215 PM EDT SUN JUL 1 2012

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FIRE DANGER STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

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

   FIRE DANGER STATEMENT.
   HEAT ADVISORY.

ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO
DEVELOP ACROSS THE NORTHEAST GEORGIA PIEDMONT THIS AFTERNOON INTO
TONIGHT. A FEW OF THESE STORMS ARE EXPECTED TO BECOME
SEVERE...WITH THE MAIN THREAT BEING DAMAGING WIND GUSTS. A FEW
STORMS MAY PRODUCE LARGE HAIL AS WELL.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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

NCZ068>072-082-SCZ008-009-011>014-019-021815-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-CHEROKEE-YORK-
ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
215 PM EDT SUN JUL 1 2012

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 445 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

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

   EXCESSIVE HEAT WARNING.
   SEVERE THUNDERSTORM WATCH.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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

NCZ507-509-021815-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
215 PM EDT SUN JUL 1 2012

...SEVERE THUNDERSTORM WATCH 445 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

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

   SEVERE THUNDERSTORM WATCH.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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

NCZ035-021815-
ALEXANDER-
215 PM EDT SUN JUL 1 2012

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON 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.

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
THE REGION THIS AFTERNOON INTO TONIGHT. A FEW OF THESE STORMS ARE
EXPECTED TO BECOME SEVERE...WITH THE MAIN THREAT BEING DAMAGING
WIND GUSTS. A FEW STORMS MAY PRODUCE LARGE HAIL AS WELL. ALTHOUGH
SEVERE WEATHER WILL BE POSSIBLE ANYWHERE...THE GREATEST THREAT IS
EXPECTED OVER THE NORTH CAROLINA PIEDMONT.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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

GAZ029-021815-
ELBERT-
215 PM EDT SUN JUL 1 2012

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FIRE DANGER STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

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

   EXCESSIVE HEAT WARNING.
   FIRE DANGER STATEMENT.

ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO
DEVELOP ACROSS THE NORTHEAST GEORGIA PIEDMONT THIS AFTERNOON INTO
TONIGHT. A FEW OF THESE STORMS ARE EXPECTED TO BECOME
SEVERE...WITH THE MAIN THREAT BEING DAMAGING WIND GUSTS. A FEW
STORMS MAY PRODUCE LARGE HAIL AS WELL.

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

A MAJOR HEAT WAVE WILL CONTINUE ACROSS THE REGION INTO THE WORK
WEEK. MOST LOCATIONS IN THE PIEDMONT AND FOOTHILLS SHOULD REACH
OR EXCEED 100 DEGREES AGAIN ON MONDAY. THE HEAT INDEX WILL LIKELY
REACH OR EXCEED 105 IN MANY LOCATIONS MONDAY AFTERNOON. THE HEAT
WILL ABATE SOMEWHAT ON TUESDAY...AS A GRADUAL COOLING TREND IS
EXPECTED DURING THE REST OF THE WEEK.

.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 1, 9:16 PM EDT, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
916 PM EDT SUN JUL 01 2012

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

0915 PM     HAIL             TAYLORS                 34.92N 82.31W
07/01/2012  E0.75 INCH       GREENVILLE         SC   TRAINED SPOTTER

&&

JOH
Special weather statement, Jul 1, 10:31 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1031 PM EDT SUN JUL 1 2012

SCZ003-006-007-012-020315-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-LAURENS-SPARTANBURG-
1031 PM EDT SUN JUL 1 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL SPARTANBURG...EASTERN
GREENVILLE AND NORTHWESTERN LAURENS COUNTIES THROUGH 1115 PM EDT...

AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAKE ROBINSON...OR 11 MILES NORTHEAST OF
DOWNTOWN GREENVILLE...MOVING SOUTHEAST AT 20 MPH.

PEOPLE IN CENTRAL SPARTANBURG...EASTERN GREENVILLE AND NORTHWESTERN
LAURENS COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

LAKE ROBINSON...TAYLORS...GREER...GSP AIRPORT...PELHAM ROAD AT
I-85...DUNCAN AND REIDVILLE...

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

SMALL HAIL...AND WIND GUSTS UP TO 40 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 3495 8179 3457 8228 3498 8247 3512 8231

MOORE
Local storm report, Jul 1, 10:57 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1057 PM EDT SUN JUL 01 2012

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

0450 PM     HAIL             NNE CLYDE               35.53N 82.91W
07/01/2012  M1.25 INCH       HAYWOOD            NC   COCORAHS

            PARTIALLY MELTED HAIL FOUND ON GROUND AT 2215 UTC.

&&

MOORE
Local storm report, Jul 1, 11:06 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1106 PM EDT SUN JUL 01 2012

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

1045 PM     TSTM WND DMG     2 NE ROCK HILL          34.96N 81.00W
07/01/2012                   YORK               SC   PUBLIC

            TREES DOWN BETWEEN ROCK HILL AND FORT MILL

&&

MOORE
Special weather statement, Jul 1, 11:12 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1112 PM EDT SUN JUL 1 2012

SCZ006-007-012-020400-
GREATER GREENVILLE-LAURENS-SPARTANBURG-
1112 PM EDT SUN JUL 1 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN GREENVILLE...NORTHERN
LAURENS AND SOUTHERN SPARTANBURG COUNTIES THROUGH MIDNIGHT EDT...

AT 1110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF GSP AIRPORT...OR 13 MILES
EAST OF DOWNTOWN GREENVILLE...MOVING SOUTHEAST AT 20 MPH.

PEOPLE IN EASTERN GREENVILLE...NORTHERN LAURENS AND SOUTHERN
SPARTANBURG COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

GSP AIRPORT...DUNCAN...REIDVILLE...WOODRUFF AND ENOREE...

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

SMALL HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3490 8232 3500 8215 3469 8182 3465 8184
      3452 8204

MOORE
Special weather statement, Jul 1, 11:20 PM EDT, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1120 PM EDT SUN JUL 1 2012

NCZ071-082-020415-
MECKLENBURG-UNION-
1120 PM EDT SUN JUL 1 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN MECKLENBURG AND UNION
COUNTIES THROUGH 1215 AM EDT...

AT 1118 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MINERAL SPRINGS...OR 7 MILES WEST OF
MONROE...MOVING EAST AT 25 MPH.

PEOPLE IN SOUTHERN MECKLENBURG AND UNION COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS...

MINERAL SPRINGS...MONROE...WINGATE...MARSHVILLE AND STURDIVANTS...

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

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM. A FEW TREE LIMBS OR POWER LINES MAY BE BROUGHT DOWN BY THESE
WIND GUSTS.

LAT...LON 3481 8031 3481 8032 3481 8065 3482 8080
      3494 8079 3499 8083 3508 8084 3514 8028

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:51 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens, Spartanburg54 min
Jul 1, 9:10 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg65 min
Jul 1, 9:40 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens65 min
Jul 1, 9:43 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville62 min
Jul 1, 9:50 PM EDTSevere Thunderstorm WarningGSPGreenville40 min
Jul 1, 10:06 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens54 min
Jul 1, 10:19 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Union, York56 min
Jul 1, 10:19 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens41 min
Jul 1, 10:31 PM EDTSpecial Weather StatementGSPGreenville, Spartanburg44 min
Jul 1, 11:06 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens39 min
Jul 1, 11:12 PM EDTSpecial Weather StatementGSPSpartanburg48 min
Jul 1, 11:13 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg, Union62 min
Jul 2, 4:20 AM EDTHeat AdvisoryGSPAbbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more11 hr
Jul 2, 5:34 AM EDTSpecial Weather StatementGSPLaurens, Spartanburg, Union41 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.