Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 444, NWS Greenville-Spartanburg, SC

July 19, 2012Cleveland County, Polk County, Rutherford County, North Carolina; Cherokee County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 19, 2012, 5:15 PM EDT for Cleveland County, Polk County, Rutherford County, North Carolina; Cherokee County, Spartanburg County, South Carolina. It was in force for 60 min. 4 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 19, 2012, 5:15 PM EDT (21:15 UTC)
Expired
Jul 19, 2012, 6:15 PM EDT
In force
60 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cleveland County, NC, Polk County, NC, Rutherford County, NC, Cherokee County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 59 km from the middle of the area, began a volume at 21:18 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 19, 5:50 PM EDTTSTM WND DMG5 Wnw Chesnee, SCPOWER LINES DOWN AT PARRIS BRIDGE RD AND MCSWAIN RD
Jul 19, 5:55 PM EDTTSTM WND DMG1 Sw Chesnee, SCTREES DOWN AT TURKEY FARM RD AND FISH CAMP RD
Jul 19, 5:55 PM EDTTSTM WND DMG3 Wsw Chesnee, SCTREE DOWN ON FISH CAMP RD AT PARRIS BRIDGE RD
Jul 19, 6:00 PM EDTTSTM WND DMG4 Ese Earl, NCTREES AND POWERLINES DOWN...RELAYED BY AMATEUR RADIO.

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 4 storm reports to this severe thunderstorm warning; the first came 35 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, 9.3 hours before the alert went out and 190 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 2012-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 502 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 2012-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
502 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
-20 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.

014 
WUUS52 KGSP 192115
SVRGSP
NCC045-149-161-SCC021-083-192215-
/O.NEW.KGSP.SV.W.0444.120719T2115Z-120719T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
515 PM EDT THU JUL 19 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CLEVELAND COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  SOUTHEASTERN POLK COUNTY IN WESTERN NORTH CAROLINA...
  SOUTHEASTERN RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...
  NORTHERN CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 615 PM EDT

* AT 510 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 EARL TO 7 MILES EAST OF
  COLUMBUS...AND MOVING SOUTHEAST AT 15 MPH.

* SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  CHESNEE AND BLACKSBURG.
  LAKE BOWEN.
  MAYO...INMAN AND GAFFNEY.
  BOILING SPRINGS SC.
  THICKETTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INSIDE AGAINST THE THREAT OF QUARTER SIZE HAIL AND 
DAMAGING WINDS IN EXCESS OF 60 MPH.

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 3533 8149 3505 8144 3505 8145 3503 8149
      3500 8149 3504 8218 3532 8224
TIME...MOT...LOC 2115Z 332DEG 14KT 3519 8156 3523 8208

$$

HG
3 follow-up statements
828 
WWUS52 KGSP 192141
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
541 PM EDT THU JUL 19 2012

NCC045-149-161-SCC021-083-192215-
/O.CON.KGSP.SV.W.0444.000000T0000Z-120719T2215Z/
CLEVELAND NC-CHEROKEE SC-SPARTANBURG SC-POLK NC-RUTHERFORD NC-
541 PM EDT THU JUL 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
RUTHERFORD...SOUTHEASTERN POLK...NORTHERN SPARTANBURG...NORTHERN
CHEROKEE AND SOUTHWESTERN CLEVELAND COUNTIES UNTIL 615 PM EDT...

AT 541 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 EARL TO 6 MILES NORTH OF LAKE
BOWEN...MOVING SOUTHEAST AT 10 MPH.

SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  CHESNEE.
  LAKE BOWEN AND BLACKSBURG.
  INMAN.
  MAYO AND GAFFNEY.
  BOILING SPRINGS SC AND THICKETTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN SCATTERED TREES AND POWER LINES. 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 3503 8149 3500 8149 3504 8218 3505 8218
      3525 8212 3524 8147 3505 8144
TIME...MOT...LOC 2141Z 332DEG 14KT 3517 8146 3518 8202

$$

HG
390 
WWUS52 KGSP 192200
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
600 PM EDT THU JUL 19 2012

NCC149-161-192210-
/O.CAN.KGSP.SV.W.0444.000000T0000Z-120719T2215Z/
POLK NC-RUTHERFORD NC-
600 PM EDT THU JUL 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL RUTHERFORD AND
SOUTHEASTERN POLK COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED SOUTH OF 
POLK COUNTY.

LAT...LON 3503 8149 3501 8149 3500 8156 3503 8203
      3518 8208 3519 8197 3518 8177 3521 8176
      3524 8147 3505 8144
TIME...MOT...LOC 2200Z 332DEG 14KT 3515 8143 3509 8193

$$

NCC045-SCC021-083-192215-
/O.CON.KGSP.SV.W.0444.000000T0000Z-120719T2215Z/
CLEVELAND NC-CHEROKEE SC-SPARTANBURG SC-
600 PM EDT THU JUL 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
SPARTANBURG...NORTHERN CHEROKEE AND SOUTHWESTERN CLEVELAND COUNTIES
UNTIL 615 PM EDT...

AT 615 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 5 MILES NORTHEAST OF BLACKSBURG 
TO BOILING SPRINGS SC...MOVING SOUTHEAST AT 10 MPH.

SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  MAYO...BOILING SPRINGS SC AND BLACKSBURG.
  THICKETTY AND GAFFNEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN SCATTERED TREES AND POWER LINES. 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 3503 8149 3501 8149 3500 8156 3503 8203
      3518 8208 3519 8197 3518 8177 3521 8176
      3524 8147 3505 8144
TIME...MOT...LOC 2200Z 332DEG 14KT 3515 8143 3509 8193

$$

HG
103 
WWUS52 KGSP 192213
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
613 PM EDT THU JUL 19 2012

NCC045-SCC021-083-192223-
/O.EXP.KGSP.SV.W.0444.000000T0000Z-120719T2215Z/
CLEVELAND NC-CHEROKEE SC-SPARTANBURG SC-
613 PM EDT THU JUL 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SPARTANBURG...
NORTHERN CHEROKEE AND SOUTHWESTERN CLEVELAND COUNTIES WILL EXPIRE AT
615 PM EDT...

AT 613 PM...THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS 
GRADUALLY WEAKENED BELOW SEVERE LEVELS. HOWEVER...GUSTY WINDS TO 40 
MPH AND PEA SIZE HAIL ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 3503 8149 3501 8149 3500 8156 3503 8203
      3518 8208 3519 8197 3518 8177 3521 8176
      3524 8147 3505 8144
TIME...MOT...LOC 2213Z 332DEG 14KT 3512 8139 3507 8189

$$

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 Jul 19, 5:10 PM EDT, 5 minutes earlier.

Area forecast discussion, Jul 19, 5:10 PM EDT, 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
510 PM EDT THU JUL 19 2012

.SYNOPSIS...
HIGH PRESSURE WILL WEAKEN AND MOVE SOUTH TODAY. THIS WILL ALLOW
A FRONTAL BOUNDARY OVER THE OHIO VALLEY TO DROP SOUTH...INTO THE
CAROLINAS EARLY SATURDAY. THE FRONT WILL REMAIN OVER OR JUST SOUTH
OF THE REGION THROUGH THE WEEKEND AND DISSIPATE ON MONDAY.

&&

.NEAR TERM /THROUGH FRIDAY/...
AS OF 445 PM...COVERAGE OF CONVECTION IS INCREASING ALONG OUTFLOW
BOUNDARY MOVING INTO THE NC PIEDMONT. WE WILL INCREASE POPS TO HIGH
CHANCE ACROSS THIS AREA THROUGH EARLY EVENING. MEANWHILE...
CONVECTION IS WANING ACROSS MUCH OF THE REMAINDER OF THE AREA...
WHERE THE CU FIELD IS UNIMPRESSIVE OR NON-EXISTENT. THIS IS NOT
ENTIRELY SURPRISING...AS THE LATEST SPC MESOANALYSIS DEPICTS A
COMPARATIVELY STABLE AIR MASS (I.E. CAPE ~ 2000 OR LESS) ACROSS THE
WESTERN HALF OF THE UPSTATE AND NORTHEAST GEORGIA. WITH MULTIPLE
OUTFLOW BOUNDARIES AROUND AND A MODERATELY UNSTABLE AIR MASS...WE
WILL CONTINUE TO FEATURE LOW TO MID-CHANCE POPS THROUGH THE EARLY
EVENING. THE HIGHEST SEVERE THREAT WILL REMAIN IN THE NC PIEDMONT...
WHERE MARGINALLY DAMAGING OUTFLOWS AND VERY BRIEF PERIODS OF LARGE
HAIL WILL BE POSSIBLE.

BY ABOUT MID-EVENING...THE MCS OVER EASTERN KENTUCKY/SOUTHWEST
VIRGINIA SHOULD BE MAKING A RUN AT THE NORTHERN NC MTNS... SO POPS
WILL INCREASE TO LIKELY THERE BY 00Z. HOW FAR SOUTHEAST THIS
ACTIVITY THEN MARCHES (AFTER ENCOUNTERING THE RUGGED TERRAIN) WILL
BE LARGELY DEPENDENT UPON HOW EFFICIENTLY THE AIR MASS RECOVERS IN
THE WAKE OF THE MESOSCALE OUTFLOW BOUNDARY. FOR NOW...POPS THE
LIKELY POPS WILL BE CONFINED TO THE NORTHERN MTNS. AS LONG AS THIS
ACTIVITY REMAINS SOMEWHAT ORGANIZED...THE THREAT FOR DAMAGING
DOWNBURSTS WILL EXIST.

A COLD FRONT WILL APPROACH FROM THE NORTH ON FRIDAY...WHILE A PAIR
OF SHORTWAVES MOVES INTO THE BASE OF THE TROUGH. POPS AND QPF WILL
BE SIGNIFICANTLY HIGHER ON FRIDAY IN ADVANCE OF THE FRONT.
INSTABILITY WILL BE SUFFICIENT FOR SEVERE THUNDERSTORMS AGAIN...AND
WITH UNIDIRECTIONAL SHEAR PRESENT...SOME ORGANIZATION IS POSSIBLE...
ESPECIALLY IN THE PIEDMONT. WITH BETTER STEERING FLOW AND MOVING
STORMS...ANY HEAVY PRECIPITATION AMOUNTS WOULD BE FROM TRAINING OR
REPEATING CELLS. MAXIMUM TEMPERATURES WILL BE NEAR NORMAL...AS
ENOUGH BREAK IN CLOUD COVER WILL PERMIT HEATING TO OCCUR.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 235 PM THURSDAY...SHORT WAVE TROF WITH A SERIES OF ENERGY
MAXES REMAINS OVER THE AREA FRI NITE AND SAT. SFC COLD FRONT BECOMES
STALLED ACROSS THE AREA AS WELL. THE ENERGY MAXES AND RIGHT ENTRANCE
REGION OF THE UPPER JET WILL PROVIDE SOME SYNOPTIC SCALE FORCING AND
UPPER DIVERGENCE WHILE THE FRONT PROVIDES LOW LEVEL CONVERGENCE.
STILL EXPECT A DIURNAL TREND TO THE CONVECTION...BUT THE COPIOUS
MOISTURE AND LARGE SCALE FORCING SHUD KEEP AT LEAST SOME ACTIVITY
GOING MUCH OF THE NIGHT FRI NITE. NUMEROUS COVERAGE IS EXPECTED
AGAIN FOR SATURDAY FOR THE SAME REASONS...AS IS THE LINGERING
COVERAGE OVERNIGHT. HOWEVER...AREAS OUTSIDE OF THE WRN MOUNTAINS
COULD SEE BETTER COVERAGE. LOWS WILL BE NEAR NORMAL...BUT HIGHS WILL
BE BELOW NORMAL WITH MORE CLOUDS EARLIER PRECIP ONSET.

THE SHORT WAVE TROF MOVES EAST OF THE AREA SUNDAY...BUT A SHEAR AXIS
WILL REMAIN IN ITS PLACE. THE FRONT WILL BEGIN TO WASH OUT...BUT A
WEAK BOUNDARY WILL LIKELY LINGER. LOOKS LIKE COVERAGE COULD BE A
LITTLE LESS THAN SATURDAY WITH LESS UPPER SUPPORT...BUT SHUD BE AT
LEAST SCT. LOWS WILL BE A TAD COOLER...BUT HIGHS SHUD REBOUND TO
JUST BELOW NORMAL.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 215 PM THURSDAY...A WEAK TROF WILL KEEP A SPLIT OVER THE AREA
BETWEEN THE WEST-CENTRAL CONUS RIDGE AND THE BERMUDA RIDGE. AT THE
SFC...A LEE TROF AND COPIOUS LOW LEVEL MOISTURE WILL BE OVER THE
AREA. THIS WILL LEAD TO SCT DIURNAL TSRA AND NEAR TO SLIGHTLY ABOVE
NORMAL TEMPS. ON TUE AND WED...SHORT WAVES MOVING THRU THE NRN
STREAM FLOW HELP CARVE OUT AN UPPER TROF OVER THE EAST COAST. AT THE
SFC...LOW LEVEL MOISTURE AND THE LEE TROF REMAIN IN PLACE FOR TUE
WHILE A BACK DOOR COLD FRONT APPROACHES ON WED. AGAIN...GIVEN THE
MOISTURE...INSTABILITY AND WEAK FORCING...GENERALLY SCT DIURNAL
CONVECTION IS EXPECTED BOTH DAYS. TEMPS WILL INCREASE TO ABOVE
NORMAL BY WED. THE TROF MOVES OFF THE COAST THU AND RIDGING BEGINS
TO REASSERT ITSELF OVER THE SERN US AS MORE SHORT WAVE ENERGY MOVES
ACROSS THE NRN TIER OF THE COUNTRY. THE BACK DOOR FRONT MOVES NORTH
AWAY FROM THE AREA AS WELL. STILL EXPECT ENUF MOISTURE AND
INSTABILITY TO LINGER FOR SCT DIURNAL CONVECTION ONCE AGAIN. TEMPS
WILL FALL A DEGREE OR TWO FOR THU.

&&

.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
AT KCLT...CONVECTION SHOULD HAVE GREATER COVERAGE TODAY AS A WEAK
UPPER IMPULSE MOVES INTO THE AREA. A TEMPO FOR GUSTY WINDS...MVFR
VSBY AND LOW VFR CIG WILL BE CARRIED FOR SEVERAL HOURS THIS
AFTERNOON. GUIDANCE AND TRENDS FAVOR MVFR FOG AROUND DAYBREAK
FRIDAY. GUIDANCE SUPPORTS A VFR CIG...BUT SOME SCATTERED VERY LOW
CLOUDS WILL BE CARRIED IN THE TAF. PRECIPITATION ASSOCIATED WITH AN
APPROACHING COLD FRONT ON FRIDAY SHOULD NOT BE A FACTOR UNTIL AFTER
THIS FORECAST PERIOD.

ELSEWHERE...CONVECTION IS ALREADY FIRING IN THE MOUNTAINS...BUT IS
EXPECTED OT SPREAD INTO THE FOOTHILLS...AND ALL SITES WILL GET A
TEMPO FOR MVFR CONDITIONS IN THUNDERSTORMS THIS AFTERNOON. GUIDANCE
AND RECENT TRENDS FAVOR FOG RETRACTIONS AT DAYBREAK FRIDAY...IFR AT
KAVL...AND MVFR IN THE FOOTHILLS. GUIDANCE FAVORS VFR DAYBREAK CIGS
AT TAF SITES...BUT TRENDS WOULD FAVOR A RESTRICTION AT KAVL...AND AN
IFR CIG WILL BE CARRIED THERE. CONVECTION IS EXPECTED TO GET GOING
EARLIER ON FRIDAY AS A COLD FRONT ARRIVES...BUT ONLY KAVL WILL HAVE
ENOUGH COVERAGE BEFORE THE END OF THE FORECAST PERIOD TO CARRY
THUNDER.

OUTLOOK...PRECIPITATION AND ASSOCIATED RESTRICTIONS REMAIN POSSIBLE
THROUGH THE WEEKEND. FOG AND STRATUS CHANCE WILL BE GREATEST IN THE
MORNING...ESPECIALLY IN THE MTN VALLEYS.

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...JAT/JDL
SHORT TERM...RWH
LONG TERM...RWH
AVIATION...JAT
Hazardous weather outlook, Jul 19, 4:47 AM EDT, 12 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
447 AM EDT THU JUL 19 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-200900-
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-
447 AM EDT THU JUL 19 2012

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

.DAY ONE...TODAY AND TONIGHT.

NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA AGAIN TODAY. THE STORMS ARE EXPECTED TO
INITIALLY DEVELOP ACROSS THE MOUNTAINS...THEN SPREAD INTO THE
FOOTHILLS AND PIEDMONT LATER IN AFTERNOON.

SEVERAL OF THE STORMS TODAY COULD BECOME SEVERE...PRODUCING AREAS
OF WIND DAMAGE AND LARGE HAIL. THE EFFECTS OF HEAVY DOWNPOURS AND
SATURATED SOILS WILL ENHANCE THE THREAT OF FALLING TREES. LOCALLY
VERY HEAVY RAINFALL WILL ACCOMPANY THE STORMS AND FLOODING OF POOR
DRAINAGE AREAS AND A FEW STREAMS MAY DEVELOP. THE STORMS WILL ALSO
PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

14

In the hours before

Special weather statement, Jul 19, 4:42 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
442 PM EDT THU JUL 19 2012

SCZ010-192115-
ANDERSON-
442 PM EDT THU JUL 19 2012

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

AT 442 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PENDLETON...OR 3 MILES SOUTHEAST OF
CLEMSON...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  SANDY SPRINGS...

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

LAT...LON 3446 8262 3460 8286 3467 8279 3473 8267
      3465 8248

HG
Special weather statement, Jul 19, 4:43 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
443 PM EDT THU JUL 19 2012

NCZ051-052-059-192115-
HAYWOOD-NORTHERN JACKSON-SWAIN-
443 PM EDT THU JUL 19 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL HAYWOOD...NORTHEASTERN
SWAIN AND NORTHERN JACKSON COUNTIES THROUGH 515 PM EDT...

AT 443 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES NORTHWEST OF MAGGIE VALLEY...OR 12 MILES
NORTHWEST OF WAYNESVILLE...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MAGGIE VALLEY...

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

LAT...LON 3550 8291 3536 8313 3559 8331 3570 8314

HG
Special weather statement, Jul 19, 4:49 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
449 PM EDT THU JUL 19 2012

NCZ036-056-192115-
CATAWBA-IREDELL-
449 PM EDT THU JUL 19 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN CATAWBA AND
SOUTHERN IREDELL COUNTIES THROUGH 515 PM EDT...

AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TERRELL...OR 13 MILES SOUTHWEST OF
STATESVILLE...MOVING EAST AT 5 MPH.

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

LAT...LON 3550 8079 3552 8090 3551 8092 3551 8096
      3553 8096 3553 8094 3555 8096 3555 8109
      3572 8107 3570 8076

HG
Special weather statement, Jul 19, 4:55 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
455 PM EDT THU JUL 19 2012

NCZ052-053-064-065-192130-
BUNCOMBE-HAYWOOD-HENDERSON-TRANSYLVANIA-
455 PM EDT THU JUL 19 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN HAYWOOD...NORTHEASTERN
TRANSYLVANIA...NORTHWESTERN HENDERSON AND SOUTHWESTERN BUNCOMBE
COUNTIES THROUGH 530 PM EDT...

AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHEAST OF CRUSO...OR 13 MILES EAST OF
WAYNESVILLE...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  ETOWAH...

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

LAT...LON 3543 8247 3525 8263 3544 8291 3558 8278

HG
Special weather statement, Jul 19, 5:08 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
508 PM EDT THU JUL 19 2012

NCZ036-056-069>071-192145-
CATAWBA-GASTON-IREDELL-LINCOLN-MECKLENBURG-
508 PM EDT THU JUL 19 2012

...STRONG THUNDERSTORMS WILL AFFECT EASTERN LINCOLN...NORTHEASTERN
GASTON...NORTHWESTERN MECKLENBURG...SOUTHEASTERN CATAWBA AND SOUTHERN
IREDELL COUNTIES THROUGH 545 PM EDT...

AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES WEST OF
DENVER TO 4 MILES SOUTHEAST OF IRON STATION TO 3 MILES SOUTHWEST OF
DALLAS...MOVING EAST AT 15 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  DENVER...
  STANLEY...
  TERRELL...
  LAKE NORMAN...
  MOUNT HOLLY...

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

LAT...LON 3563 8080 3542 8083 3525 8091 3527 8125
      3540 8120 3561 8116

HG
Local storm report, Jul 19, 5:11 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
511 PM EDT THU JUL 19 2012

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

0500 PM     FLASH FLOOD      4 W MAGGIE VALLEY       35.53N 83.16W
07/19/2012                   HAYWOOD            NC   EMERGENCY MNGR

            INDIAN CREEK WAS OVERTOPPING A BRIDGE ALONG BLACK CAMP
            GAP ROAD.

&&

CSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:41 PM EDTSpecial Weather StatementGSPGraham34 min
Jul 19, 12:54 PM EDTSpecial Weather StatementGSPAvery, Burke, Caldwell, McDowell, Mitchell, Yancey36 min
Jul 19, 1:34 PM EDTSpecial Weather StatementGSPBurke41 min
Jul 19, 1:45 PM EDTSpecial Weather StatementGSPCleveland45 min
Jul 19, 1:52 PM EDTSpecial Weather StatementGSPTransylvania38 min
Jul 19, 2:08 PM EDTSpecial Weather StatementGSPRutherford37 min
Jul 19, 2:27 PM EDTSevere Thunderstorm WarningGSPMcDowell, Rutherford49 min
Jul 19, 2:51 PM EDTSpecial Weather StatementGSPTransylvania24 min
Jul 19, 3:13 PM EDTSpecial Weather StatementGSPIredell32 min
Jul 19, 3:28 PM EDTSevere Thunderstorm WarningGSPIredell62 min
Jul 19, 3:53 PM EDTSpecial Weather StatementGSPCleveland37 min
Jul 19, 4:06 PM EDTSpecial Weather StatementGSPPolk24 min
Jul 19, 4:09 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln66 min
Jul 19, 4:11 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford64 min
Jul 19, 4:17 PM EDTSpecial Weather StatementGSPMcDowell28 min
Jul 19, 4:21 PM EDTAreal Flood AdvisoryGSPHaywood2 hr
Jul 19, 4:43 PM EDTSpecial Weather StatementGSPHaywood32 min
Jul 19, 4:49 PM EDTSpecial Weather StatementGSPIredell26 min
Jul 19, 4:55 PM EDTSpecial Weather StatementGSPHenderson35 min
Jul 19, 5:08 PM EDTSpecial Weather StatementGSPGaston37 min
Jul 19, 5:35 PM EDTSpecial Weather StatementGSPCatawba25 min
Jul 19, 5:39 PM EDTSpecial Weather StatementGSPCabarrus36 min
Jul 19, 5:53 PM EDTSpecial Weather StatementGSPUnion52 min
Jul 19, 6:15 PM EDTSpecial Weather StatementGSPAlexander30 min
Jul 19, 6:23 PM EDTSpecial Weather StatementGSPCabarrus37 min
Jul 19, 6:28 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg19 min
Jul 19, 6:32 PM EDTSpecial Weather StatementGSPMacon43 min
Jul 19, 7:00 PM EDTSpecial Weather StatementGSPCabarrus30 min
Jul 19, 7:04 PM EDTSpecial Weather StatementGSPAlexander26 min
Jul 19, 7:10 PM EDTSpecial Weather StatementGSPAvery, Mitchell, Yancey95 min
Jul 19, 7:56 PM EDTSpecial Weather StatementGSPAvery, Mitchell, Yancey94 min
Jul 19, 7:58 PM EDTSpecial Weather StatementGSPUnion32 min
Jul 19, 2:35 PM EDTSpecial Weather StatementGSPPickens40 min
Jul 19, 3:02 PM EDTSpecial Weather StatementGSPOconee28 min
Jul 19, 3:21 PM EDTSpecial Weather StatementGSPPickens24 min
Jul 19, 3:25 PM EDTSevere Thunderstorm WarningGSPPickens54 min
Jul 19, 3:57 PM EDTSpecial Weather StatementGSPGreenwood33 min
Jul 19, 4:27 PM EDTSpecial Weather StatementGSPGreenville33 min
Jul 19, 4:42 PM EDTSpecial Weather StatementGSPAnderson33 min
Jul 19, 5:18 PM EDTSpecial Weather StatementGSPYork27 min
Jul 19, 5:58 PM EDTSpecial Weather StatementGSPCherokee32 min
Jul 19, 6:04 PM EDTSpecial Weather StatementGSPYork26 min
Jul 19, 6:12 PM EDTSevere Thunderstorm WarningGSPOconee28 min
Jul 19, 6:21 PM EDTSpecial Weather StatementGSPCherokee39 min
Jul 19, 6:36 PM EDTSpecial Weather StatementGSPYork24 min
Jul 19, 6:57 PM EDTSpecial Weather StatementGSPYork33 min
Jul 19, 7:36 PM EDTSpecial Weather StatementGSPChester, Union24 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Severe 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.