Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 17, 2012Cabarrus County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 17, 2012, 4:21 PM EDT for Cabarrus County, North Carolina. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 17, 2012, 4:21 PM EDT (20:21 UTC)
Expired
Aug 17, 2012, 5:00 PM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC

County Cabarrus County, NC

The radar

The Columbia radar (KCAE), 164 km from the middle of the area, began a volume at 20:25 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.4 hours before the alert went out and 99 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 2012-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2012-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1555 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
49 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.

028 
WWUS82 KGSP 172021
SPSGSP

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
421 PM EDT FRI AUG 17 2012

NCZ071-072-172100-
CABARRUS-MECKLENBURG-
421 PM EDT FRI AUG 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MECKLENBURG AND SOUTHERN
CABARRUS COUNTIES THROUGH 500 PM EDT...

AT 418 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTH OF HARRISBURG...OR 3 MILES
SOUTHEAST OF UNC CHARLOTTE...MOVING EAST AT 15 MPH.

PEOPLE IN EASTERN MECKLENBURG AND SOUTHERN CABARRUS COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...

HARRISBURG...UNC CHARLOTTE AND MIDLAND...

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.

LAT...LON 3534 8039 3521 8049 3522 8076 3537 8078
      3543 8034 3542 8034

$$

MOORE

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 17, 2:45 PM EDT, 1 hour 36 minutes earlier.

Area forecast discussion, Aug 17, 2:45 PM EDT, 1 hour 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
245 PM EDT FRI AUG 17 2012

.SYNOPSIS...
A COLD FRONT IS EXPECTED TO MOVE INTO THE AREA TONIGHT AND STALL
OVER THE MIDLANDS FOR THE WEEKEND. THE FRONT SHOULD DRIFT TOWARD THE
COAST DURING THE EARLY PART OF NEXT WEEK...AS HIGH PRESSURE PUSHES
IN FROM THE NORTH FOR MIDWEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
AS OF 225 PM...CONVECTIVE COVERAGE INCREASED RAPIDLY EARLIER THIS
AFTERNOON ACROSS THE NC FOOTHILLS...DUE TO COMBINATION OF
DIFFERENTIAL HEATING EFFECTS AND THE APPROACH OF A MID-LEVEL SHORT
WAVE TROUGH. COVERAGE IS STILL EXPECTED TO EXPAND TO THE SOUTHWEST
AND EAST THIS AFTERNOON...AS OUTFLOW BOUNDARIES INTERACT WITH A MORE
UNSTABLE AIR MASS OVER THE PIEDMONT. SPEAKING OF WHICH...EXPANDING
MID-LEVEL CLOUD COVER AND WEAK MID-LEVEL LAPSE RATES HAS COMBINED TO
YIELD ONLY WEAK-MODERATE LEVELS OF CAPE THIS AFTERNOON. SPC RECENTLY
REMOVED MUCH OF THE AREA FROM THEIR SLIGHT RISK...AND THIS SEEMS
REASONABLE...ESPECIALLY IN LIGHT OF THE WEAK SHEAR OVER THE REGION.
HOWEVER...STILL CANNOT RULE OUT A FEW PULSE SEVERE STORMS OVER THE
PIEDMONT. ANOTHER AREA OF FOCUS WILL BE THE LARGE SCALE OUTFLOW
BOUNDARY CURRENTLY STRETCHING FROM THE ATLANTA METRO AREA TO OUR
SOUTHERN ZONES. THIS FEATURE IS BECOMING INCREASINGLY ACTIVE...BUT
THE MAIN FOCUS MAY SHIFT SOUTH OF THE FORECAST AREA RATHER QUICKLY.
IN LIGHT OF THE LATEST TRENDS...LIKELY POPS WILL BE CARRIED ACROSS
MUCH OF THE NC PIEDMONT THROUGH THE REMAINDER OF THE AFTERNOON...
WITH SOLID CHANCE POPS IN MOST OTHER AREAS.

LATER TONIGHT...A BAND OF SHOWERS ASSOCIATED WITH COLD FRONTAL ZONE
(CURRENTLY OVER EASTERN KENTUCKY) IS EXPECTED TO FILL IN ACROSS THE
TENN VALLEY...AND APPROACH OUR WESTERN ZONES BY AROUND 00Z. POPS
WILL BE RAMPED UP TO LIKELY ALONG THE TENN BORDER AROUND THIS TIME.
THE FRONT WILL SLOWLY OOZE ACROSS THE AREA OVERNIGHT...BUT WEAK
FORCING...WEAK INSTABILITY...AND WEAK SHEAR IS EXPECTED TO RESULT IN
DIMINISHING COVERAGE THROUGH THE NIGHT...AND ONLY SLIGHT/LOW CHANCE
POPS WILL BE IN PLACE BY SUNRISE.

THE BOUNDARY IS EXPECTED TO STALL NEAR THE AREA SATURDAY...ALTHOUGH
THE DEEPER MOISTURE WILL BE SHUNTED TO OUR EAST. FORECAST
SOUNDINGS ARE NOT VERY UNSTABLE...AND VERY DRY IN THE MID AND UPPER
LEVELS ACROSS MUCH OF THE AREA. CHANCE POPS WILL BE MENTIONED
THROUGH THE DAY ACROSS THE SOUTHERN AND SOUTHEAST ZONES...WITH AN
ISOLATED MENTION EXTENDING AS FAR WEST AS THE BLUE RIDGE. SEVERE
WEATHER PROBABILITIES WILL REMAIN LOW TOMORROW. HOWEVER...SHEAR
PROFILES WILL BE MUCH IMPROVED AS HEIGHTS CONTINUE TO FALL ACROSS
MUCH OF THE REGION. IN LIGHT OF THE MID-LEVEL DRYING...THERE MAY BE
MORE OF AN ORGANIZED SEVERE THREAT ACROSS OUR FAR SOUTHEAST
ZONES...DEPENDING UPON HOW SOON SKIES CLEAR TOMORROW MORNING.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AS OF 200 PM FRIDAY...A SERIES OF SHORTWAVES WILL DIVE S INTO THE
BASE OF A DIGGING LONGWAVE TROF WITH AN AXIS EXTENDING FROM THE
GREAT LAKES TO THE LWR MS VALLEY DURING THE SHORT TERM PERIOD.

SATURDAY NIGHT AND SUNDAY...A ZONAL FRONTAL BNDRY WILL STALL OUT
ACRS THE CWFA...ROUGHLY ALONG I-85. THE BULK OF THE UPPER LEVEL
ENERGY ASSOCIATED WITH A STRONG SHORTWAVE LOOKS TO STAY N OF THE
CWFA. AND FCST SNDGS SHOW WANING INSTBY. SO ANY CONVECTION SHUD WANE
SATURDAY EVENING. ON SUNDAY...MODELS AGREE ON SOME INSTBY ALONG AND
SOUTH OF THE BNDRY. WITH HEIGHT FALLS ALOFT...EXPECT AT LEAST A FEW
SHWRS ANDS TSTMS...MAINLY ACRS THE PIEDMONT INVOF THE FRONT. TEMPS
WILL BE ONE TO TWO CATEGORIES BELOW NORMAL UNDER THE TROF.

SUNDAY NIGHT AND MONDAY...MODELS IN A LITTLE BETTER AGREEMENT ON A
SECONDARY SHORTWAVE AS IT DIVES INTO THE TROF AXIS INVOF THE MID
SOUTH. THIS ENERGY WILL GENERATE A LLVL WAVE ALONG THE STALLED
FRONTAL BNDRY INVOF THE CENTRAL GULF STATES SUNDAY NIGHT. THE 12Z
NAM CONTINUES TO BE THE DEEPEST WITH THIS FEATURE...AND BRINGS THE
STRONG LLVL FLOW AND ISENTROPIC LIFT OVR THE CWFA MONDAY MORNING.
THE HPC-PREFERRED GFS/ECMWF BLEND KEEPS THE FLOW VEERED TO WSWLY AND
STRONGEST ALONG THE COAST. HOWEVER...BOTH MODELS DO KEEP ENUF LIFT
FOR CLOUD COVER THRU MOST OF THE DAY ON MONDAY...WHICH COULD KEEP
TEMPS DOWN WELL BELOW NORMAL. AS FOR PRECIP...THERE SHUD BE DECENT
UPPER DIVERGENCE THRU MOST OF THESE TWO PERIODS...AS A SW-NE
ORIENTED JET STREAK SETS UP ALONG THE APPALACHIAN CHAIN ASSOCIATED
WITH THE LONGWAVE TROF. SO HAVE BUMPED POPS UP ACCORDINGLY...BUT
KEEP THEM IN THE LIKELY RANGE FOR NOW. NONE OF THE MODELS HAVE MORE
THAN MODEST INSTBY...AND KEEP THE LARGEST CAPE CLOSER TO THE COAST
ON THE WARM SIDE OF THE FRONTAL ZONE. STILL...COULD SEE SOME DEEPER
CONVECTION EMBEDDED IN WHAT MIGHT BE MORE OF A STRATIFORM RAIN
SHIELD. NOT EXPECTING HEAVY QPF...AS LLVL FLOW WILL BE FAIRLY WEAK.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 1 PM EDT FRI...FORECAST CONFIDENCE IS RELATIVELY LOW IN THE
TUE THROUGH FRI PERIOD GIVEN UNCERTAINTY OVER MODEL HANDLING OF THE
TROUGHINESS IN THE EAST...ALONG WITH SOME POTENTIAL FOR TROPICAL
DEVELOPMENT IN THE WRN GULF OF MEXICO. A SHARP UPPER JETLET SHOULD
BE STRETCHED ALONG THE APPALACHIANS MON NIGHT TO START THE
PERIOD...WITH THIS FEATURE SLIPPING E OF THE AREA THROUGH TUE NIGHT.
A DRY SLOT WILL WRAP INTO THE REGION FROM THE SW...WHILE WEAK SFC
HIGH PRESSURE BUILDS OVER FROM THE N. THIS SHOULD CURTAIL POPS FROM
W TO E DURING THE PERIOD.

GREATER MODEL SPREAD THEN DEVELOPS WED THROUGH FRI. THE PREFERRED
SOLUTION WILL LEAN TOWARD THE ECM...WITH ADDITIONAL TROUGHINESS
DEVELOPING UPSTREAM OVER THE MID MS RIVER. THE FALLING HEIGHTS TO
THE W MAY PERMIT ANOTHER UPPER JETLET TO SHARPEN UP ALONG THE MTNS
WED...WITH UPPER DIVERGENCE IMPROVING THU THROUGH FRI. HOWEVER...SFC
HIGH PRES MAY HOLD ON ACROSS THE REGION...WITH DEEPER MOISTURE
INITIALLY SHUNTED TOWARD THE SE AND GULF COASTAL AREAS. A LIGHT
RETURN FLOW AROUND THE LOW LEVEL RIDGE SHOULD PERMIT MOISTURE TO
STEADILY RETURN THU THROUGH FRI...WITH SE UPSLOPE FLOW POSSIBLE BY
THE END OF THE WEEK. THE GFS IS NOW ON BOARD WITH A TROPICAL LOW
FEATURE AND MOISTURE PLUME MOVING INTO THE REGION ON THU...BUT THIS
WILL BE DISCOUNTED FOR NOW. WILL FEATURE MAINLY DIURNAL ISOLD
SHRA/TSRA WED AND THU. WILL INCREASE CHANCES SLIGHTLY THROUGH FRI
WITH IMPROVING FORCING...MOISTURE...AND SFC BASED INSTABILITY...BUT
IT REMAINS A LOW CONFIDENCE FORECAST ON PRECIPITATION. CONFIDENCE IS
HIGHER THAT MAX TEMPS WILL REMAIN COMFORTABLY BELOW NORMAL THROUGH
THE PERIOD.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT/KHKY...SCATTERED CONVECTION IS DEVELOPING OVER THE FOOTHILLS
EARLY THIS AFTERNOON...AND SHOULD PASS OVER KHKY VERY SOON. AS
OUTFLOW BOUNDARIES DEVELOP AND MATURE FROM THIS ACTIVITY...AND
INTERACT WITH THE MODESTLY UNSTABLE AIR MASS OVER THE PIEDMONT...
CONVECTION SHOULD PERSIST INTO THE KCLT AREA...SO A TEMPO FOR TSRA
HAS BEEN INCLUDED AFTER 21Z. AFTER THIS INITIAL WAVE OF CONVECTION
PASSES...ADDITIONAL ACTIVITY WILL BE POSSIBLE LATER TONIGHT AS A
WEAK COLD FRONT SETTLES INTO THE AREA. HOWEVER...WITH THE LOSS OF
DAYTIME HEATING...COVERAGE IS EXPECTED TO BE WIDELY SCATTERED AT
BEST. FOG/LOW STRATUS WILL BE POSSIBLE LATE TONIGHT/EARLY SATURDAY
IF HEAVY RAIN FALLS AT THE TERMINALS...ALTHOUGH EXTENSIVE MID-LEVEL
CLOUDINESS MAY TEMPER THIS POTENTIAL SOME. LIGHT WINDS WILL PERSIST
OUT OF THE SW TODAY...THEN TURN TOWARD THE NE BEHIND THE FRONT FOR
SATURDAY.

ELSEWHERE...SCATTERED CONVECTION WILL CONTINUE TO DEVELOP ACROSS THE
NC MTNS AND UPSTATE SC THROUGH THE AFTERNOON. TEMPOS HAVE BEEN
INCLUDED AT KAVL/KGSP/KGMU FOR SHOWERS. THUNDER WILL CERTAINLY BE A
POSSIBILITY...MAINLY OUTSIDE THE MTNS...BUT CONFIDENCE IS NOT HIGH
ENOUGH TO INCLUDE THIS IN A TEMPO ATTM. AFTER THIS INITIAL WAVE OF
CONVECTION PASSES...ADDITIONAL ACTIVITY WILL BE POSSIBLE LATER
TONIGHT AS A WEAK COLD FRONT SETTLES INTO THE AREA. HOWEVER...WITH
THE LOSS OF DAYTIME HEATING...COVERAGE IS EXPECTED TO BE WIDELY
SCATTERED AT BEST. FOG/LOW STRATUS IS EXPECTED TONIGHT AT KAVL. IT
COULD ALSO DEVELOP AT OTHER TERMINALS IF HEAVY RAIN FALLS. IT SHOULD
BE SAID THAT EXTENSIVE MID-LEVEL CLOUDINESS MAY TEMPER THE FOG AND
STRATUS POTENTIAL SOMEWHAT.

OUTLOOK...A COLD FRONT WILL LINGER NEAR THE AREA THROUGH EARLY NEXT
WEEK. THIS MAY RESULT IN SCATTERED SHOWERS AND THUNDERSTORMS...
MAINLY ACROSS THE PIEDMONT DURING THE AFTERNOON AND EVENING.

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...ARK
NEAR TERM...JDL
SHORT TERM...ARK
LONG TERM...HG
AVIATION...JDL
Hazardous weather outlook, Aug 17, 3:36 PM EDT, 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
336 PM EDT FRI AUG 17 2012

GAZ010-017-NCZ033-035-048>053-058-059-062>065-501>510-SCZ001>003-
181945-
RABUN-HABERSHAM-AVERY-ALEXANDER-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-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
336 PM EDT FRI AUG 17 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE MOUNTAINS OF THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA...AS WELL AS THE NORTH
CAROLINA FOOTHILLS...LATE THIS AFTERNOON INTO TONIGHT. THE MAIN
THREAT WITH ANY THUNDERSTORMS WILL BE CLOUD TO GROUND LIGHTNING
AND BRIEFLY GUSTY WINDS.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ018-026-028-029-NCZ036-037-056-057-068>072-082-SCZ004>014-019-
181945-
STEPHENS-FRANKLIN-HART-ELBERT-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-
LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
336 PM EDT FRI AUG 17 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE NORTH
CAROLINA PIEDMONT...UPSTATE SOUTH CAROLINA...AND NORTHEAST GEORGIA
LATE AFTERNOON INTO TONIGHT. ALL OF THESE THUNDERSTORMS WILL
PRODUCE CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL. A
COUPLE OF STORMS MAY ALSO PRODUCE DAMAGING WIND GUSTS AND HAIL AS
LARGE AS QUARTERS.

.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.

HG

In the hours before

Special weather statement, Aug 17, 2:45 PM EDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
245 PM EDT FRI AUG 17 2012

NCZ035-036-056-069-070-171930-
ALEXANDER-CATAWBA-GASTON-IREDELL-LINCOLN-
245 PM EDT FRI AUG 17 2012

...A CLUSTER OF STRONG THUNDERSTORMS TO MOVE EASTWARD OVER THE NORTH
CAROLINA PIEDMONT THROUGH 4 PM THIS AFTERNOON...

AT 242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS STRETCHING FROM FROM TAYLORSVILLE TO
NEWTON TO VALE...MOVING EAST AT 15 MPH. THESE THUNDERSTORMS WILL
PRODUCE WIND GUSTS OF 30 TO 40 MPH ACROSS A LARGE PORTION OF THE
NORTH CAROLINA PIEDMONT...INCLUDING STATESVILLE TO LAKE NORMAM TO
LINCOLNTON THROUGH 330 OR 400 PM. TORRENTIAL RAINFALL AT RATES
AROUND AN INCH PER HOUR WILL BE POSSIBLE WITH THESE STORMS.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS.

LAT...LON 3603 8078 3557 8080 3551 8087 3549 8094
      3545 8094 3534 8109 3535 8140 3542 8146
      3555 8151 3556 8154 3564 8144 3571 8142
      3580 8133 3590 8134 3601 8130 3603 8128

HG
Special weather statement, Aug 17, 3:11 PM EDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT FRI AUG 17 2012

NCZ082-172000-
UNION-
311 PM EDT FRI AUG 17 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN UNION COUNTY THROUGH
400 PM EDT...

AT 307 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TRINITY...OR 7 MILES SOUTH OF MONROE...
MOVING EAST AT 30 MPH.

ANOTHER STRONG THUNDERSTORM WILL MOVE ALONG THE UNION COUNTY BORDER
WITH CHESTERFIELD COUNTY SOUTH CAROLINA.

PEOPLE IN SOUTHERN UNION COUNTY...INCLUDING THE FOLLOWING LOCATION...

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 UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3495 8030 3482 8031 3481 8032 3481 8069
      3496 8069 3502 8029 3496 8029

MOORE
Special weather statement, Aug 17, 3:13 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
313 PM EDT FRI AUG 17 2012

NCZ068>070-172000-
CLEVELAND-GASTON-LINCOLN-
313 PM EDT FRI AUG 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN CLEVELAND...GASTON AND
SOUTHERN LINCOLN COUNTIES THROUGH 400 PM EDT...

AT 310 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES EAST OF SHELBY...MOVING EAST AT 25 MPH.

PEOPLE IN EASTERN CLEVELAND...GASTON AND SOUTHERN LINCOLN COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...

KINGS MOUNTAIN...BESSEMER CITY...DALLAS...GASTONIA...STANLEY AND
LOWELL...

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 3545 8103 3515 8112 3526 8157 3546 8153

MOORE
Special weather statement, Aug 17, 3:28 PM EDT, 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
328 PM EDT FRI AUG 17 2012

NCZ036-056-057-069-071-072-172015-
CABARRUS-CATAWBA-IREDELL-LINCOLN-MECKLENBURG-ROWAN-
328 PM EDT FRI AUG 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN LINCOLN...NORTHERN
MECKLENBURG...NORTHWESTERN CABARRUS...SOUTHEASTERN CATAWBA...
SOUTHEASTERN IREDELL AND SOUTHWESTERN ROWAN COUNTIES THROUGH 415 PM
EDT...

AT 326 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAKE NORMAN...OR 15 MILES EAST OF
LINCOLNTON...MOVING EAST AT 25 MPH.

PEOPLE IN EASTERN LINCOLN...NORTHERN MECKLENBURG...NORTHWESTERN
CABARRUS...SOUTHEASTERN CATAWBA...SOUTHEASTERN IREDELL AND
SOUTHWESTERN ROWAN COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

DENVER...LAKE NORMAN...CORNELIUS...DAVIDSON AND ENOCHVILLE...

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.

LAKE NORMAN IS IN THE PATH OF THIS STORM. CLOUD TO GROUND LIGHTNING
AND GUSTY WINDS WILL CREATE DANGEROUS BOATING CONDITIONS. MOVE TO
SHORE IMMEDIATELY.

LAT...LON 3534 8071 3538 8098 3540 8096 3541 8120
      3564 8106 3561 8061

MOORE
Local storm report, Aug 17, 4:08 PM EDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
408 PM EDT FRI AUG 17 2012

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

0359 PM     TSTM WND DMG     2 N BESSEMER CITY       35.31N 81.29W
08/17/2012                   GASTON             NC   LAW ENFORCEMENT

            TREE DOWN ON POWER LINES.

&&

HG
Special weather statement, Aug 17, 4:21 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
421 PM EDT FRI AUG 17 2012

NCZ071-072-172100-
CABARRUS-MECKLENBURG-
421 PM EDT FRI AUG 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MECKLENBURG AND SOUTHERN
CABARRUS COUNTIES THROUGH 500 PM EDT...

AT 418 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTH OF HARRISBURG...OR 3 MILES
SOUTHEAST OF UNC CHARLOTTE...MOVING EAST AT 15 MPH.

PEOPLE IN EASTERN MECKLENBURG AND SOUTHERN CABARRUS COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...

HARRISBURG...UNC CHARLOTTE AND MIDLAND...

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.

LAT...LON 3534 8039 3521 8049 3522 8076 3537 8078
      3543 8034 3542 8034

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 12:45 PM EDTSpecial Weather StatementGSPMcDowell45 min
Aug 17, 1:16 PM EDTSpecial Weather StatementGSPBurke29 min
Aug 17, 2:12 PM EDTAreal Flood AdvisoryGSPBurke71 min
Aug 17, 2:45 PM EDTSpecial Weather StatementGSPAlexander, Catawba, Iredell, Lincoln45 min
Aug 17, 3:11 PM EDTSpecial Weather StatementGSPUnion49 min
Aug 17, 3:13 PM EDTSpecial Weather StatementGSPGaston47 min
Aug 17, 3:28 PM EDTSpecial Weather StatementGSPMecklenburg47 min
Aug 17, 4:28 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg47 min
Aug 17, 4:42 PM EDTSpecial Weather StatementGSPChester48 min
Aug 17, 5:01 PM EDTSpecial Weather StatementGSPYork59 min
Aug 17, 5:37 PM EDTSpecial Weather StatementGSPChester53 min

Nearby

Special Weather Statements in North Carolina, 2012Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.