Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 571, NWS Greenville-Spartanburg, SC

September 28, 20124 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 28, 2012, 3:20 PM EDT for 4 counties in North Carolina. It was in force for 55 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
Sep 28, 2012, 3:20 PM EDT (19:20 UTC)
Expired
Sep 28, 2012, 4:15 PM EDT
In force
55 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Catawba County, NC, Davie County, NC, Iredell County, NC, Rowan County, NC

The radar

The Roanoke radar (KFCX), 135 km from the middle of the area, began a volume at 19:21 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
Sep 28, 3:50 PM EDTHAIL 13 N Statesville, NC
Sep 28, 3:55 PM EDTTSTM WND DMG3 Nne Statesville, NCSHERIFF DISPATCH REPORTED A LARGE TREE LIMB DOWN ON A VEHICLE ON TURNERSBURG HIGHWAY.

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 30 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, 7.3 hours before the alert went out and 76 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 2012-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 2012-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
51 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
50 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.

310 
WUUS52 KGSP 281920
SVRGSP
NCC035-059-097-159-282015-
/O.NEW.KGSP.SV.W.0571.120928T1920Z-120928T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
320 PM EDT FRI SEP 28 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CATAWBA COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  DAVIE COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  NORTHWESTERN ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 415 PM EDT

* AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM HARMONY TO 6 MILES EAST OF
  STONY POINT TO LOOKOUT SHOALS LAKE...AND MOVING SOUTHEAST AT 25
  MPH.

* SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  STATESVILLE.
  MOCKSVILLE.
  TROUTMAN.
  COOLEEMEE.
  CLEVELAND.

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.

&&

LAT...LON 3588 8041 3585 8038 3582 8047 3577 8045
      3574 8046 3559 8089 3580 8131 3583 8115
      3578 8111 3586 8104 3591 8102 3605 8078
      3605 8050 3596 8037 3589 8036
TIME...MOT...LOC 1920Z 294DEG 22KT 3596 8077 3587 8092
          3580 8111

$$

HG
3 follow-up statements
064 
WWUS52 KGSP 281931
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
331 PM EDT FRI SEP 28 2012

NCC035-059-097-159-282015-
/O.CON.KGSP.SV.W.0571.000000T0000Z-120928T2015Z/
CATAWBA NC-DAVIE NC-IREDELL NC-ROWAN NC-
331 PM EDT FRI SEP 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
ROWAN...IREDELL...DAVIE AND NORTHEASTERN CATAWBA COUNTIES UNTIL 415
PM EDT...

AT 331 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM 7 MILES EAST OF HARMONY TO 6 
MILES NORTH OF STATESVILLE TO STONY POINT TO LAKE HICKORY...MOVING 
EAST AT 25 MPH.

SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  FARMINGTON AND LOOKOUT SHOALS LAKE.
  BERMUDA RUN...STATESVILLE AND MOCKSVILLE.
  ADVANCE.
  COOLEEMEE.
  TROUTMAN AND CLEVELAND.

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.

&&

LAT...LON 3588 8041 3585 8038 3582 8047 3577 8045
      3574 8046 3559 8089 3580 8131 3583 8115
      3578 8111 3586 8104 3591 8102 3605 8078
      3605 8050 3596 8037 3589 8036
TIME...MOT...LOC 1931Z 292DEG 20KT 3597 8064 3587 8091
          3583 8103 3578 8129

$$

HG
140 
WWUS52 KGSP 281953
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
353 PM EDT FRI SEP 28 2012

NCC035-282003-
/O.CAN.KGSP.SV.W.0571.000000T0000Z-120928T2015Z/
CATAWBA NC-
353 PM EDT FRI SEP 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CATAWBA COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED EAST OF THIS 
AREA.

LAT...LON 3588 8041 3585 8038 3582 8047 3577 8045
      3574 8046 3559 8089 3561 8093 3570 8099
      3571 8105 3578 8111 3584 8106 3588 8092
      3606 8056 3605 8050 3596 8037 3589 8036
TIME...MOT...LOC 1953Z 288DEG 25KT 3596 8042 3580 8082
          3577 8105

$$

NCC059-097-159-282015-
/O.CON.KGSP.SV.W.0571.000000T0000Z-120928T2015Z/
DAVIE NC-IREDELL NC-ROWAN NC-
353 PM EDT FRI SEP 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
ROWAN...CENTRAL IREDELL AND DAVIE COUNTIES UNTIL 415 PM EDT...

AT 353 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM BERMUDA RUN TO STATESVILLE TO
LOOKOUT SHOALS LAKE...MOVING EAST AT 30 MPH.

SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  ADVANCE.
  COOLEEMEE.
  CLEVELAND AND TROUTMAN.

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.

&&

LAT...LON 3588 8041 3585 8038 3582 8047 3577 8045
      3574 8046 3559 8089 3561 8093 3570 8099
      3571 8105 3578 8111 3584 8106 3588 8092
      3606 8056 3605 8050 3596 8037 3589 8036
TIME...MOT...LOC 1953Z 288DEG 25KT 3596 8042 3580 8082
          3577 8105

$$

HG
863 
WWUS52 KGSP 282011
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
411 PM EDT FRI SEP 28 2012

NCC059-097-159-282020-
/O.EXP.KGSP.SV.W.0571.000000T0000Z-120928T2015Z/
DAVIE NC-IREDELL NC-ROWAN NC-
411 PM EDT FRI SEP 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ROWAN...CENTRAL
IREDELL AND DAVIE COUNTIES WILL EXPIRE AT 415 PM EDT...

AT 410 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT THE 
LINE OF STORMS WHICH PROMPTED THE WARNING WAS WEAKENING. IT SHOULD 
BE BELOW SEVERE LIMITS BY 415 PM. HOWEVER...GUSTY WINDS TO 40 MPH 
ARE STILL POSSIBLE WITH THESE THUNDERSTORMS...ESPECIALLY OVER 
SOUTHERN CENTRAL AND SOUTHERN IREDELL COUNTY...AS WELL AS ROWAN 
COUNTY. 

LAT...LON 3588 8041 3585 8038 3582 8047 3577 8045
      3574 8046 3559 8089 3561 8093 3570 8099
      3571 8105 3578 8111 3584 8106 3588 8092
      3606 8056 3605 8050 3596 8037 3589 8036
TIME...MOT...LOC 2010Z 297DEG 17KT 3594 8038 3577 8070
          3572 8088

$$

HG

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 Sep 28, 2:43 PM EDT, 37 minutes earlier.

Area forecast discussion, Sep 28, 2:43 PM EDT, 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
243 PM EDT FRI SEP 28 2012

.SYNOPSIS...
HIGH PRESSURE ATOP THE REGION WILL GIVE WAY TO AN APPROACHING COLD
FRONT OVERNIGHT. THE FRONT WILL STALL OUT OVER THE CAROLINAS
BRINGING UNSETTLED WEATHER TO THE REGION AS A LOW RIDES UP ALONG THE
FRONT SATURDAY INTO THE FIRST PART OF THE WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
AS OF 230 PM...AXIS OF A SHORTWAVE TROF WAS ANALYZED ENTERING THE
SRN APPALACHIANS...HELPING AID IN DEVELOPING CONVECTION ALONG THE
BLUE RIDGE FROM THE NRN MTNS NORTH INTO VA. THE HIGH RES MODELS AND
OP MODELS AGREE ON SCATTERED STORMS SURVIVING AS THEY TRACK EAST
INTO THE NC PIEDMONT. SPC MESOANALYSIS SHOWS 1000-1500 J/KG OF
SBCAPE FROM THE BLUE RIDGE EAST. LAPS SNDGS SHOW SOME MID LVL DRY
AIR AND DECENT LLVL LAPSE RATES. SO A FEW STORMS MAY BECOME SEVERE
PRODUCING GUSTY WINDS AND HAIL. MORE ISOLD COVERAGE EXPECTED TO THE
SOUTH LATER THIS AFTN INTO EARLY EVENING.

TONIGHT...A ZONALLY-ORIENTED SFC FNT WILL PUSH INTO THE AREA WITH
MOISTURE. MEANWHILE...HEIGHTS WILL FALL ALOFT...AS A POLAR VORTEX
CENTERED OVER NRN ONTARIO DROPS SOUTH TOWARD THE GREAT LAKES.
Q-VECTOR CONVERGENCE WILL BE ON THE INCREASE...HELPING SUPPORT LIFT
ACRS THE CWFA. SO ISOLD TO SCATTERED SHWRS AND A FEW TSTMS WILL BE
POSSIBLE THRU THE NIGHT...ESPECIALLY ALONG THE I-40 CORRIDOR. TEMPS
WILL BE IN THE 50S MTNS AND LWR-MID 60S PIEDMONT.

SATURDAY...FORCING LOOKS TO MAXIMIZE IN THE 12-18Z TIME FRAME...AS
AN UPPER TROF AXIS SWINGS THRU THE OH VLY TO THE APPALACHIANS. WHILE
THE SFC FRONT IS PROGGED TO SETTLE ACRS THE LWR PIEDMONT...THE
DRIER/COOLER AIR WILL REMAIN BACK TO THE NORTH...ALLOWING FOR SOME
INSTBY ACRS THE ENTIRE AREA. FCST SNDGS SHOW MOIST SOUNDINGS WITH
INCREASING SHEAR. SO WHILE COVERAGE OF SHWRS LOOKS GREATER THAN
TODAY...SEVERE THREAT SHUD BE LOW GIVEN THE MOIST SNDGS. GOING WITH
LIKLY POPS FOR PRETTY MUCH THE ENTIRE NC PORTION OF THE CWFA WITH
CHC TO THE SOUTH. TEMPS WILL BE ABOUT A CATEGORY BELOW NORMAL UNDER
THE CLOUDS AND PRECIP.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AS OF 135 PM FRIDAY...A RATHER LOW CONFIDENCE FORECAST EVOLVES
DURING THE SHORT TERM IN DEVELOPING SPLIT FLOW REGIME...AND IN LIGHT
OF LIKELY UPPER LOW DEVELOPMENT IN THE SOUTHERN STREAM. SATURDAY
NIGHT...THE MODELS ARE CONVERGING TOWARD A CONSENSUS OF DRIVING THE
FRONTAL ZONE/DRIER AIR THROUGH THE AREA BY 06Z SUNDAY. AS SUCH...WE
WILL BEGIN DIALING DOWN POPS SUCH THAT THEY WILL BE NO GREATER THAN
SLIGHT CHANCE BY 00Z...AND LESS THAN 20 PERCENT BY 12Z. MODEL
SOLUTIONS THEN BEGIN TO DIVERGE QUITE SUBSTANTIALLY ON SUNDAY. IT IS
CERTAIN THAT WARM CONVEYOR BELT MOISTURE/PRECIP WILL OVERSPREAD THE
REGION EARLY NEXT WEEK...AS AFOREMENTIONED UPPER LOW OPENS UP AND
PROGRESSES EAST. HOWEVER...WHILE THE GFS SUGGESTS THIS EVENT WILL
BEGIN SUNDAY MORNING...THE ECMWF HOLDS OFF PRECIP UNTIL 24 HOURS
LATER. TIMING IN OTHER MODEL SOLUTIONS DEPICTS JUST ABOUT EVERYTHING
IN BETWEEN THESE TWO EXTREMES. THERE IS ALSO TREMENDOUS SPREAD IN
THE ENSEMBLE GUIDANCE. WITH THIS IN MIND...HAVE OPTED FOR A
CONSERVATIVE ROUTE AT THIS POINT...BRINGING A LOW CHANCE POP INTO
OUR WESTERN ZONES BY SUNDAY AFTERNOON...GRADUALLY RAMPING UP TO
SOLID CHANCE ACROSS THE SOUTHERN HALF OF THE AREA BY THE END OF
SUNDAY NIGHT...WITH HIGH CHANCE/LIKELY POPS IN ALL AREAS MONDAY.

ONCE PRECIP BEGINS...THE PRESENCE OF BROAD SURFACE HIGH PRESSURE
OVER THE MID-ATLANTIC SUGGESTS IN-SITU COLD AIR DAMMING WOULD LIKELY
DEVELOP. SINCE WE ARE REASONABLY CONFIDENT THAT PRECIP WILL DEVELOP
BY MONDAY...MAX TEMPS AS MUCH AS 10 DEGREES BELOW CLIMO WILL BE
ADVERTISED.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AT 200 PM EDT FRIDAY...BROAD UPPER TROUGH WILL EXIST ACROSS CANADA
FROM TUESDAY THROUGH FRIDAY...WHILE A SOUTHERN STREAM TROUGH WEAKENS
OVER THE OH...TN AND LOWER MS RIVER VALLEYS. A SURFACE WAVE WILL
MOVE FROM FROM THE GULF STATES MONDAY NIGHT TO THE SOUTHERN
APPALACHIANS BY TUESDAY MORNING. UPGLIDE OVER A WARM FRONT TO THE
EAST...AND UPSLOPE FLOW INTO THE BLUE RIDGE ESCARPMENT...WILL SERVE
TO FOCUS SUBSTANTIAL RAINFALL ACROSS OUR AREA. THE WAVE AND ITS
TRAILING COLD FRONT WILL MOVE EAST OF THE AREA BY WEDNESDAY
MORNING...HOWEVER SLOW MOVEMENT OF THE WAVE AND WRAP AROUND MOISTURE
WARRANT SMALL POPS INTO THURSDAY...EVEN AS HIGH PRESSURE BUILDS IN
FROM THE WEST. A COLD FRONT WILL CROSS OUR AREA FROM THE NW ON
FRIDAY...BUT CONFIDENCE IS LOW THAT THIS SYSTEM WILL HAVE MUCH
MOISTURE TO WORK WITH...AND ONLY MINIMAL POPS WILL BE CARRIED WITH
THIS SYSTEM. THE DIURNAL TEMPERATURE RANGE WILL BE LIMITED BY CLOUDS
AND MOISTURE INITIALLY...FOLLOWED BY COOLING.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...BKN TO OVC CIRRUS THIS AFTN WITH A LIGHT VARIABLE
WIND...GENERALLY FAVORING WSW UNTIL SUNSET THEN WNW. CONVECTION IS
EXPECTED TO CONTINUE DEVELOPING ACRS THE NC MTNS AND NW PIEDMONT
THRU THE AFTN INTO EARLY EVENING...GENERALLY ISOLD TO SCATTERED IN
COVERAGE. GUIDANCE KEEPS MOST OF THIS ACTIVITY NORTH OF THE
TERMINAL...BUT A FEW CELLS MAY GET CLOSE. HAVE VCSH WITH A TEMPO FOR
TS FOR THE 21-24Z TIME FRAME. CONVECTION MAY LINGER INTO THE
OVERNIGHT...AS A FNTL BNDRY SAGS SOUTH INTO THE AREA. FOR NOW...WILL
KEEP OUT MENTION OF CONVECTION FOR NOW. GUIDANCE GENERALLY VFR
OVERNIGHT...BUT SOME MODELS ARE HINTING AT SOME STRATUS AND PATCHY
FOG ACRS THE NC PIEDMONT TOWARD DAYBREAK. CONFIDENCE STILL LOW...BUT
HAVE 6SM BR AND A SCT MVFR CLOUD MENTION. CONVECTIVE CHCS LOOK
BETTER SATURDAY...BUT EXPECTING MOST OF THAT ACTIVITY AFTER 18Z.

ELSEWHERE...SHOWERS AND TSTMS DEVELOPING NORTH OF KAVL AND
KHKY...WITH MORE DEVELOPMENT EXPECTED THRU THE AFTN HOURS. HAVE VCTS
AT BOTH SITES. IN THE UPSTATE...CHCS ARE LOWER SUCH THAT NO MENTION
OF TS WILL BE CARRIED WITH THESE TAFS. THERE IS ABOUT A 20% CHC...SO
NOT OUT OF THE QUESTION A FEW CELLS DEVELOP IN THE UPSTATE.
OTHERWISE...VFR CONDITIONS ARE EXPECTED THRU THIS EVENING WITH WEST
WINDS. OVERNIGHT...GUIDANCE SHOWS SIMILAR FOG POTENTIAL TO LAST
NIGHT...SO TRENDS WILL BE SIMILAR IN THE TAFS. KAVL WILL LIKELY HAVE
SOME FOG OVERNIGHT...AND KHKY HAS THE NEXT BEST CHC BASED ON
POTENTIAL FOR RAINFALL THIS AFTN/EVE. FOR SATURDAY...CONVECTIVE CHCS
INCREASE AS A COLD FRONT SAGS SOUTH INTO THE AREA. HAVE PROB30 AT
ALL SITES FOR END OF 18Z TAF PERIOD.

OUTLOOK...A SLOW-MOVING FRONT WILL STALL ACROSS THE AREA THRU THE
WEEKEND...BRINGING MORE WIDESPREAD RESTRICTIONS IN CLOUDS/PRECIP
EXPECTED AS WEEKEND WEARS ON. AN AMPLIFIED SYSTEM WILL DEVELOP
ACROSS THE DEEP SOUTH EARLY NEXT WEEK. THIS SYSTEM WILL LIKELY
SUPPORT LOW CEILINGS AND RAINFALL ACROSS THE REGION AT LEAST THROUGH
MID 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

&&

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

&&

SYNOPSIS...JAT
NEAR TERM...ARK
SHORT TERM...JDL
LONG TERM...JAT
AVIATION...ARK
Hazardous weather outlook, Sep 28, 4:58 AM EDT, 10 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 AM EDT FRI SEP 28 2012

GAZ026-028-029-SCZ010>014-019-290900-
FRANKLIN-HART-ELBERT-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
458 AM EDT FRI SEP 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-017-018-NCZ033-035>037-048>053-056>059-062>065-068>072-082-
501>510-SCZ001>009-290900-
RABUN-HABERSHAM-STEPHENS-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-
458 AM EDT FRI SEP 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS MAY DEVELOP TODAY AND TONIGHT...MAINLY
ACROSS THE AREA ALONG AND NORTH OF INTERSTATE 85. THE MAIN THREAT
FROM THE STORMS WILL BE FREQUENT CLOUD TO GROUND LIGHTNING. ONE OR
TWO OF THE STORMS COULD BECOME STRONG WITH GUSTY WINDS AND SMALL
HAIL.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Sep 28, 2:23 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
223 PM EDT FRI SEP 28 2012

NCZ502>504-281915-
BURKE MOUNTAINS-GREATER BURKE-GREATER CALDWELL-
223 PM EDT FRI SEP 28 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BURKE AND SOUTHERN
CALDWELL COUNTIES THROUGH 315 PM EDT...

AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHWEST OF TABLE ROCK...OR 9 MILES
NORTHWEST OF MORGANTON...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO RUTHERFORD
  COLLEGE...LAKE RHODHISS...VALDESE...TABLE ROCK...SAWMILLS...
  RHODHISS...MORGANTON...LENOIR...ICARD...HUDSON...GRANITE FALLS...
  GLEN ALPINE...GAMEWELL...DREXEL...CONNELLY SPRINGS AND CAJAH'S
  MOUNTAIN.

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

LAT...LON 3569 8142 3568 8143 3571 8187 3573 8189
      3590 8189 3591 8174 3589 8173 3591 8170
      3593 8142

07
Special weather statement, Sep 28, 2:32 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
232 PM EDT FRI SEP 28 2012

NCZ035>037-281915-
ALEXANDER-DAVIE-IREDELL-
232 PM EDT FRI SEP 28 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN ALEXANDER...
NORTHERN IREDELL AND WESTERN DAVIE COUNTIES THROUGH 315 PM EDT...

AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LOVE VALLEY...OR 11 MILES NORTHEAST OF
TAYLORSVILLE...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO UNION
  GROVE...TURNERSBURG...SHEFFIELD...LOVE VALLEY AND HARMONY.

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

LAT...LON 3606 8055 3586 8057 3593 8111 3603 8110
      3607 8098

07
Special weather statement, Sep 28, 3:00 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
300 PM EDT FRI SEP 28 2012

NCZ053-505>508-281945-
BUNCOMBE-EASTERN MCDOWELL-GREATER RUTHERFORD-MCDOWELL
MOUNTAINS-RUTHERFORD MOUNTAINS-
300 PM EDT FRI SEP 28 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN BUNCOMBE...NORTHWESTERN
RUTHERFORD AND SOUTHERN MCDOWELL COUNTIES THROUGH 345 PM EDT...

AT 301 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SWANNANOA...OR 10 MILES EAST OF DOWNTOWN
ASHEVILLE...MOVING EAST AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  BLACK MOUNTAIN...
  OLD FORT...

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

LAT...LON 3571 8227 3570 8227 3571 8225 3565 8189
      3541 8197 3556 8249 3574 8243

HG
Special weather statement, Sep 28, 3:07 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
307 PM EDT FRI SEP 28 2012

NCZ505-506-281930-
EASTERN MCDOWELL-MCDOWELL MOUNTAINS-
307 PM EDT FRI SEP 28 2012

...A STRONG THUNDERSTORM WILL AFFECT MCDOWELL COUNTY THROUGH 330 PM
EDT...

AT 307 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF WOODLAWN...OR 6 MILES
NORTHWEST OF MARION...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MARION...
  LAKE JAMES...

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

LAT...LON 3579 8195 3571 8187 3562 8184 3553 8189
      3553 8190 3568 8223 3573 8220 3576 8217
      3579 8217 3583 8213 3584 8211

HG
Special weather statement, Sep 28, 3:11 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT FRI SEP 28 2012

NCZ035-036-056-502-504-282000-
ALEXANDER-CATAWBA-GREATER BURKE-GREATER CALDWELL-IREDELL-
311 PM EDT FRI SEP 28 2012

...STRONG THUNDERSTORMS WILL AFFECT CENTRAL IREDELL...NORTHERN
CATAWBA...SOUTHEASTERN CALDWELL...SOUTHERN ALEXANDER AND SOUTHERN
BURKE COUNTIES THROUGH 400 PM EDT...

AT 311 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MILLERSVILLE TO 3
MILES EAST OF GRANITE FALLS TO DREXEL...MOVING SOUTHEAST AT 15 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  RUTHERFORD COLLEGE...
  ST. STEPHENS...
  ICARD...
  STONY POINT...
  LOOKOUT SHOALS LAKE...

PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH...AND TORRENTIAL RAIN ARE
EXPECTED WITH THESE STORMS. IN ADDITION...HEAVY RAINFALL MAY FLOOD
AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND UNDERPASSES. AVOID
THESE AREAS AND DO NOT CROSS FLOODED ROADS.

LAT...LON 3593 8110 3589 8080 3578 8082 3566 8107
      3560 8152 3564 8176 3576 8183 3583 8145
      3592 8120

HG
Special weather statement, Sep 28, 3:17 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
317 PM EDT FRI SEP 28 2012

NCZ036-037-057-281945-
DAVIE-IREDELL-ROWAN-
317 PM EDT FRI SEP 28 2012

...STRONG THUNDERSTORMS WILL AFFECT DAVIE...IREDELL AND NORTHWESTERN
ROWAN COUNTIES THROUGH 345 PM EDT...

AT 317 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES EAST OF
HUNTSVILLE TO HARMONY TO 4 MILES NORTH OF LOOKOUT SHOALS LAKE...
MOVING SOUTHEAST AT 25 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  FARMINGTON...
  BERMUDA RUN...
  STATESVILLE...
  ADVANCE...
  COOLEEMEE...

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

LAT...LON 3588 8041 3585 8038 3582 8047 3576 8045
      3554 8090 3558 8095 3562 8093 3570 8099
      3571 8105 3578 8111 3590 8102 3596 8082
      3606 8064 3605 8049 3607 8046 3596 8037
      3589 8036

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 2:05 PM EDTSpecial Weather StatementGSPCaldwell40 min
Sep 28, 2:23 PM EDTSpecial Weather StatementGSPBurke52 min
Sep 28, 2:29 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell, Catawba61 min
Sep 28, 2:32 PM EDTSpecial Weather StatementGSPIredell43 min
Sep 28, 3:00 PM EDTSpecial Weather StatementGSPMcDowell45 min
Sep 28, 3:07 PM EDTSpecial Weather StatementGSPMcDowell23 min
Sep 28, 3:11 PM EDTSpecial Weather StatementGSPAlexander, Burke, Catawba, Iredell49 min
Sep 28, 3:17 PM EDTSpecial Weather StatementGSPDavie, Iredell28 min
Sep 28, 3:39 PM EDTSpecial Weather StatementGSPMcDowell36 min
Sep 28, 3:40 PM EDTSpecial Weather StatementGSPHenderson35 min
Sep 28, 3:49 PM EDTSpecial Weather StatementGSPCatawba26 min
Sep 28, 4:13 PM EDTSpecial Weather StatementGSPDavie, Rowan32 min
Sep 28, 4:18 PM EDTSpecial Weather StatementGSPRutherford27 min
Sep 28, 4:32 PM EDTSpecial Weather StatementGSPCatawba, Lincoln28 min
Sep 28, 4:39 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford34 min
Sep 28, 4:47 PM EDTSpecial Weather StatementGSPPolk28 min
Sep 28, 4:55 PM EDTSpecial Weather StatementGSPLincoln35 min
Sep 28, 5:18 PM EDTSpecial Weather StatementGSPCleveland, Polk, Rutherford27 min
Sep 28, 5:19 PM EDTSpecial Weather StatementGSPGaston, Lincoln26 min
Sep 28, 5:37 PM EDTSpecial Weather StatementGSPPolk23 min
Sep 28, 5:52 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg53 min
Sep 28, 5:56 PM EDTSpecial Weather StatementGSPCleveland34 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.