Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 3, 2012Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 3, 2012, 9:28 PM EDT for Union County, North Carolina. It was in force for 47 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: Jul 3, 2012, 9:28 PM EDT (01:28 UTC)
Expired: Jul 3, 2012, 10:15 PM EDT
In force: 47 min
Issued by: NWS Greenville-Spartanburg, SC

County Union County, NC

The radar

The Columbia radar (KCAE), 116 km from the middle of the area, began a volume at 01:28 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 00:00Z, 1.5 hours before the alert went out and 146 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 706 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1835 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 24 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.

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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 Jul 3, 9:18 PM EDT, 10 minutes earlier.

Area forecast discussion, Jul 3, 9:18 PM EDT, 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
918 PM EDT TUE JUL 3 2012

.SYNOPSIS...
A WEAK UPPER LEVEL TROF WILL CONTINUE TO BUILD SOUTH ACROSS THE
REGION THROUGH MID WEEK AND SWING EAST BY FRIDAY. TEMPERATURES WILL
REMAIN ABOVE NORMAL INTO THE WEEKEND.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
2115 EDT TUESDAY...AN UPPER RIDGE WAS CENTERED OVER THE MID MS
RIVER VALLEY THIS EVENING...WHICH EXTENDED SOUTHEAST TO THE
CAROLINAS AND GA. CONVECTION ASSOCIATED WITH A SHORTWAVE DROPPING
SOUTH ON THE EAST SIDE OF THE RIDGE HAS ALREADY STARTED TO
DIMINISH WITH THE LOSS OF DAYTIME HEATING...ALBEIT GRADUALLY. THIS
TREND WILL LEAD TO A DECREASE IN CLOUD OVERNIGHT. MINIMUM
TEMPERATURES WILL BE ABOVE NORMAL UNDER THE UPPER RIDGE.

THERE DOESN/T APPEAR TO BE MUCH CHANGE IN THE OVERALL PATTERN FOR
WEDNESDAY. THE FLOW ALOFT MAY BE A LITTLE STRONGER...AS SHORT WAVE
TROUGH DROPS DOWN THE EASTERN SEABOARD W/IN THE NW FLOW ALOFT.
THEREFORE...POPS WILL BE A LITTLE HIGHER FOR WED AFTERNOON...AS
CELLS SHOULD ACTUALLY MOVE...AND THERE COULD EVEN BE SOME SMALL
SCALE ORGANIZATION ALONG OUTFLOWS. TEMPS WILL REMAIN ABOVE
NORMAL...BUT PERHAPS A DEGREE OR TWO COOLER THAN TUESDAY...AS
HEIGHTS ALOFT FALL SLIGHTLY.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
AS OF 245 PM TUESDAY...MODELS CONTINUE TO SHOW WEAK SHORT WAVES
DROPPING S OVER THE AREA THU-FRI IN VERY LGT N FLOW ALOFT...WITH A
LEE TROF AT THE SFC. WEAK UPPER FORCING COMBINED WITH LOW LVL
CONVERGENCE...DAYTIME HEATING AND ABOVE AVG PRECIPITABLE WATER WILL
MAINTAIN A CHANCE OF AFTN-EVE SHWRS/TSTMS BOTH DAYS. SHEAR WILL BE
MINIMAL BUT CAPE RELATIVELY HIGH WITH THE MAIN THREAT DAMAGING
WINDS...LARGE HAIL AND HEAVY RAIN IN SLOW MOVG STORM CELLS. TEMPS
WILL STAY ABOVE ABOVE AVG THRU THE PERIOD WITH HEAT INDEX VALUES OF
100-103 ALONG AND SOUTH OF THE I-85 CORRIDOR.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 100 PM TUESDAY...THE UPPER LEVEL RIDGE CONTINUES TO DOMINATE
THE WEATHER IN THE EARLY PART OF THE EXT. GOOD AGREEMENT IS HAD WITH
THE RIDGE SLOWLY BREAKING DOWN AND RETROGRADING WHILE A BROAD L/W
TROF ENCOMPASSES THE EAST COAST BY MON. AT THE SFC...A LEE TROF WILL
BE MAINTAINED WHILE A BACK COLD FRONT SAGS SOUTH LATE SUN NIGHT AND
MOST LIKELY BECOMES STATIONARY ACROSS THE SRN ZONES OR MIDLANDS
THROUGH TUE. MODERATE TO HIGH LEVELS OF SFC BASED CAPE WILL BE
GENERATED EACH AFTERNOON AS MAX TEMPS REACH A FEW DEGREES F ABOVE
NORMAL IN A STAGNANT AND RELATIVELY HIGH LLVL TD ENVIRONMENT. MAX
TEMPS MAY DROP TO NEAR NORMAL BY MON AND TUE AS H5 HEIGHTS FALL AND
CLOUDINESS INCREASES. POPS WERE MAINTAINED AT CLIMO OVER THE
WEEKEND...WITH POPS REACHING THE LOW CHANCE RANGE OUTSIDE THE MTNS
MON AND TUE AS THE SFC BOUNDARY PROVIDES A MORE S/LY FOCUSING
MECHANISM.

&&

.AVIATION /01Z WEDNESDAY THROUGH SUNDAY/...
AT KCLT...ISOLATED CONVECTION IS GRADUALLY MOVING WEST TOWARD THE
FIELD...BUT CONFIDENCE IN ITS SURVIVAL IS LOW. MODEL TIME HEIGHTS
SUGGEST SCATTERED LOW CLOUDS WILL PERSIST INTO WEDNESDAY. GUIDANCE
DOES NOT SUPPORT NAY DAYBREAK FOG RESTRICTIONS. ADDITIONAL
CONVECTION WILL BE POSSIBLE ON WEDNESDAY AFTERNOON AS AN UPPER
IMPULSE DIVES INTO THE EAST COAST UPPER TROUGH.

ELSEWHERE...CONVECTION WILL CONTINUE TO MOVE S AND AWAY FORM THE SC
TAF SITES...BUT NOT BEFORE BRUSHING THE KAND AREA EARLY THIS EVENING.
MORE CONVECTION WILL MOVE ACROSS THE NC MOUNTAINS SW OF KAVL.
SCATTERED LOW CLOUDS AND OCCASIONAL CIRRUS CIGS WILL LINGER INTO
TONIGHT. GUIDANCE ONLY SUPPORTS MVFR VSBY RESTRICTIONS IN FOG IN THE
NC MOUNTAIN VALLEYS. ANOTHER ROUND OF CONVECTION IS POSSIBLE ON
WEDNESDAY AFTERNOON IN RESPONSE TO A MID LEVEL IMPULSE ARRIVING
FROM THE NW.

OUTLOOK...AT LEAST SCATTERED AFTN/EVE SHRA/TSRA POTENTIAL EXPECTED
EACH DAY THROUGH THE REST OF THE WEEK...WITH AREAS OF MORNING FOG/
STRATUS POSSIBLE...ESP 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

&&

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

AVL
JULY 4TH  97 IN 1948
JULY 5TH  96 IN 1948
JULY 6TH  93 IN 1993

GSP
JULY 4TH  100 IN 1993
JULY 5TH   98 IN 1993
JULY 6TH  100 IN 1993

CLT
JULY 4TH   99 IN 1993
JULY 5TH  100 IN 1954
JULY 6TH   99 IN 1930

&&

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

&&

SYNOPSIS...SBK
NEAR TERM...JAT/JDL
SHORT TERM...RB
LONG TERM...SBK
AVIATION...JAT
CLIMATE...

Hazardous weather outlook, Jul 3, 3:14 PM EDT, 6 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
314 PM EDT TUE JUL 3 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-041915-
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-
314 PM EDT TUE JUL 3 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.

ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE AREA
AND CONTINUE INTO THIS EVENING. SOME STORMS MAY BECOME SEVERE...
WITH THE MAIN THREAT BEING DAMAGING WIND GUSTS AND LARGE HAIL.
HEAVY RAIN WILL ALSO BE POSSIBLE WITH SLOW MOVING STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Local storm report, Jul 3, 7:45 PM EDT, 1 hour 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
745 PM EDT TUE JUL 03 2012

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

0620 PM     TSTM WND DMG     5 ESE LAURENS           34.47N 81.94W
07/03/2012                   LAURENS            SC   LAW ENFORCEMENT

            TREE IN ROADWAY ON WILSON DRIVE.

&&

MOORE

Local storm report, Jul 3, 8:15 PM EDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
815 PM EDT TUE JUL 03 2012

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

0650 PM     TSTM WND DMG     4 N GREENWOOD           34.25N 82.15W
07/03/2012                   GREENWOOD          SC   LAW ENFORCEMENT

            SEVERAL TREES DOWN AROUND GREENWOOD AND NEAR GREENWOOD
            COUNTY AIRPORT.

&&

MOORE

Local storm report, Jul 3, 8:19 PM EDT, 1 hour 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
819 PM EDT TUE JUL 03 2012

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

0553 PM     TSTM WND DMG     HICKORY TAVERN          34.52N 82.19W
07/03/2012                   LAURENS            SC   TRAINED SPOTTER

            SPOTTER REPORTS TREES AND OTHER LARGE LIMBS DOWN AROUND
            HICKORY TAVERN. ALSO PEA SIZED HAIL WAS REPORTED ON
            HEAVENS GATE LANE LOCATED BETWEEN BOYD MILL POND AND
            PRINCETON.

&&

OUTLAW

Local storm report, Jul 3, 8:31 PM EDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
831 PM EDT TUE JUL 03 2012

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

0708 PM     TSTM WND DMG     4 SE BELTON             34.48N 82.46W
07/03/2012                   ANDERSON           SC   LAW ENFORCEMENT

            TREE IN ROADWAY ON DOCHENO RD AT TRAIL RD.

&&

MOORE

Local storm report, Jul 3, 8:50 PM EDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
850 PM EDT TUE JUL 03 2012

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

0240 PM     TSTM WND DMG     2 N BULADEAN            36.13N 82.19W
07/03/2012                   MITCHELL           NC   PUBLIC

            AT LEAST A FEW TREES AND LARGE LIMBS DOWN.

0240 PM     HAIL             2 N BULADEAN            36.13N 82.19W
07/03/2012  E0.75 INCH       MITCHELL           NC   PUBLIC

            DIME SIZED HAIL COVERED THE GROUND.

0602 PM     HAIL             3 ESE HICKORY TAVERN    34.50N 82.14W
07/03/2012  E0.88 INCH       LAURENS            SC   PUBLIC

            NICKEL SIZED HAIL.

&&

OUTLAW

Special weather statement, Jul 3, 9:28 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
928 PM EDT TUE JUL 3 2012

NCZ082-040215-
UNION-
928 PM EDT TUE JUL 3 2012

...A STRONG THUNDERSTORM WILL AFFECT UNION COUNTY THROUGH 1015 PM
EDT...

AT 925 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTHEAST OF MINERAL SPRINGS...OR 9 MILES
SOUTHWEST OF MONROE...MOVING NORTHEAST AT 15 MPH.

PEOPLE IN UNION COUNTY...INCLUDING THE FOLLOWING LOCATIONS...

MINERAL SPRINGS AND MONROE...

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 3481 8056 3481 8072 3485 8080 3503 8078
      3510 8069 3498 8033

MOORE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 9:33 PM EDT	Severe Thunderstorm Warning	GSP	Union	57 min
Jul 3, 10:39 PM EDT	Special Weather Statement	GSP	Union	51 min
Jul 4, 12:37 PM EDT	Special Weather Statement	GSP	Transylvania	38 min
Jul 4, 1:16 PM EDT	Special Weather Statement	GSP	Haywood	44 min
Jul 4, 1:21 PM EDT	Special Weather Statement	GSP	Transylvania	39 min
Jul 4, 1:38 PM EDT	Special Weather Statement	GSP	Transylvania	37 min
Jul 4, 1:41 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Transylvania	37 min
Jul 4, 2:03 PM EDT	Special Weather Statement	GSP	McDowell	27 min
Jul 4, 2:20 PM EDT	Special Weather Statement	GSP	Henderson	25 min
Jul 4, 2:28 PM EDT	Special Weather Statement	GSP	Gaston	47 min
Jul 4, 2:33 PM EDT	Special Weather Statement	GSP	Rutherford	42 min
Jul 4, 2:37 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Rutherford	38 min
Jul 4, 2:45 PM EDT	Special Weather Statement	GSP	Burke	45 min
Jul 4, 3:05 PM EDT	Special Weather Statement	GSP	Union	25 min
Jul 4, 3:05 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell	24 min
Jul 4, 3:14 PM EDT	Severe Thunderstorm Warning	GSP	Polk, Rutherford	61 min
Jul 4, 3:21 PM EDT	Special Weather Statement	GSP	Henderson	39 min
Jul 4, 3:37 PM EDT	Special Weather Statement	GSP	Burke	38 min
Jul 4, 3:54 PM EDT	Special Weather Statement	GSP	Rowan	36 min
Jul 4, 3:56 PM EDT	Special Weather Statement	GSP	Henderson	49 min
Jul 4, 4:03 PM EDT	Special Weather Statement	GSP	Catawba	42 min
Jul 4, 4:15 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Transylvania	36 min
Jul 4, 4:26 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	64 min
Jul 4, 4:29 PM EDT	Special Weather Statement	GSP	Lincoln	31 min
Jul 4, 4:43 PM EDT	Special Weather Statement	GSP	Mitchell	47 min
Jul 4, 4:47 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	58 min
Jul 4, 5:07 PM EDT	Special Weather Statement	GSP	Mitchell	38 min
Jul 4, 5:08 PM EDT	Special Weather Statement	GSP	Gaston	52 min
Jul 4, 5:19 PM EDT	Special Weather Statement	GSP	Alexander	41 min
Jul 4, 5:21 PM EDT	Special Weather Statement	GSP	Lincoln	39 min
Jul 4, 6:36 PM EDT	Special Weather Statement	GSP	Iredell	39 min
Jul 4, 7:00 PM EDT	Special Weather Statement	GSP	Buncombe	45 min
Jul 4, 1:59 PM EDT	Special Weather Statement	GSP	York	31 min
Jul 4, 5:16 PM EDT	Special Weather Statement	GSP	Cherokee	44 min
Jul 4, 5:29 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee	40 min
Jul 4, 6:19 PM EDT	Special Weather Statement	GSP	Chester	41 min
Jul 4, 6:31 PM EDT	Special Weather Statement	GSP	Abbeville	44 min
Jul 4, 6:42 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg, Union	26 min
Jul 4, 6:15 PM EDT	Special Weather Statement	GSP	Stephens	45 min

Nearby

Special Weather Statements in North Carolina, 2012 Every 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.