Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

September 29, 2012Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Sep 29, 2012, 4:10 PM EDT for Spartanburg County, South Carolina. It was in force for 35 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: Sep 29, 2012, 4:10 PM EDT (20:10 UTC)
Expired: Sep 29, 2012, 4:45 PM EDT
In force: 35 min
Issued by: NWS Greenville-Spartanburg, SC

County Spartanburg County, SC

The radar

The Greer radar (KGSP), 33 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 216 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: 365 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

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 Sep 29, 3:34 PM EDT, 36 minutes earlier.

Area forecast discussion, Sep 29, 3:34 PM EDT, 36 minutes before

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Hazardous weather outlook, Sep 29, 3:43 PM EDT, 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
343 PM EDT SAT SEP 29 2012

GAZ010-017-018-026-028-029-NCZ068>072-082-507>510-SCZ001>014-019-
301945-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-CLEVELAND-LINCOLN-
GASTON-MECKLENBURG-CABARRUS-UNION NC-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-
343 PM EDT SAT SEP 29 2012

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

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL MOVE ACROSS THE SOUTHERN FOOTHILLS
AND PIEDMONT OF NORTH CAROLINA...AND MUCH OF THE UPSTATE AND
NORTHEAST GEORGIA THROUGH THIS EVENING. SOME OF THE THUNDERSTORMS
WILL BECOME SEVERE PRODUCING DAMAGING WIND GUSTS AND POSSIBLY HAIL.
THE OTHER MAIN THREAT AREA WILL BE ALONG AND SOUTH OF INTERSTATE
85 IN NORTH CAROLINA AND THE EASTERN UPSTATE. THE STORMS SHOULD
TAPER OFF AND MOVE TO THE EAST LATE THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

NCZ033-035>037-048>053-056>059-062>065-501>506-301945-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-
343 PM EDT SAT SEP 29 2012

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

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL MOVE ACROSS THE MOUNTAINS...NORTHERN
FOOTHILLS...AND NORTHWEST PIEDMONT OF NORTH CAROLINA THROUGH THIS
EVENING. THE MAIN THREAT FROM THESE STORMS WILL BE CLOUD TO GROUND
LIGHTNING. THE STORMS SHOULD TAPER OFF AND MOVE TO THE EAST LATE
THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Sep 29, 1:43 PM EDT, 2 hours 27 minutes before

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Special weather statement, Sep 29, 2:28 PM EDT, 1 hour 42 minutes before

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Special weather statement, Sep 29, 2:30 PM EDT, 1 hour 40 minutes before

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Special weather statement, Sep 29, 3:11 PM EDT, 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT SAT SEP 29 2012

NCZ056-065-068>070-504-507>510-292000-
CATAWBA-CLEVELAND-EASTERN POLK-GASTON-GREATER BURKE-GREATER
RUTHERFORD-HENDERSON-LINCOLN-POLK MOUNTAINS-RUTHERFORD MOUNTAINS-
311 PM EDT SAT SEP 29 2012

...STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN HENDERSON...NORTHERN
CLEVELAND...NORTHWESTERN GASTON...POLK...RUTHERFORD...SOUTHERN
BURKE...SOUTHWESTERN CATAWBA AND WESTERN LINCOLN COUNTIES THROUGH 400
PM EDT...

AT 311 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTHEAST OF
PLEASANT GROVE TO 7 MILES SOUTHWEST OF THERMAL CITY TO 3 MILES EAST
OF MOUNTAIN HOME...MOVING SOUTHEAST AT 15 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  CASAR...
  LAKE ADGER...
  RUTHERFORDTON...
  VALE...
  BOSTIC...
  FOREST CITY...

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

LAT...LON 3538 8127 3520 8188 3518 8200 3520 8228
      3518 8237 3521 8239 3519 8243 3543 8261
      3544 8255 3542 8254 3544 8253 3548 8228
      3546 8225 3548 8223 3554 8198 3552 8197
      3554 8185 3559 8182 3568 8150

HG

Special weather statement, Sep 29, 3:55 PM EDT, 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
355 PM EDT SAT SEP 29 2012

NCZ072-292030-
CABARRUS-
355 PM EDT SAT SEP 29 2012

...STRONG THUNDERSTORMS WILL AFFECT CABARRUS COUNTY THROUGH 430 PM
EDT...

AT 356 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTHWEST OF
ROCKWELL TO 3 MILES SOUTHWEST OF MOUNT PLEASANT TO HARRISBURG...
MOVING EAST AT 20 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  MOUNT PLEASANT...
  MIDLAND...

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

LAT...LON 3522 8048 3528 8067 3533 8069 3536 8071
      3540 8056 3550 8054 3550 8030 3549 8030

HG

Special weather statement, Sep 29, 4:10 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
410 PM EDT SAT SEP 29 2012

SCZ007-292045-
SPARTANBURG-
410 PM EDT SAT SEP 29 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN SPARTANBURG COUNTY
THROUGH 445 PM EDT...

AT 411 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CAMPOBELLO...OR 12 MILES SOUTHEAST OF
COLUMBUS...MOVING EAST AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  BOILING SPRINGS SC...
  COWPENS...

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

LAT...LON 3488 8183 3503 8222 3519 8215 3519 8211
      3512 8184 3506 8181 3504 8181 3503 8179
      3500 8178

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 29, 1:24 PM EDT	Special Weather Statement	GSP	Buncombe, McDowell	51 min
Sep 29, 1:43 PM EDT	Special Weather Statement	GSP	Alexander, Burke, Catawba, Iredell	47 min
Sep 29, 2:28 PM EDT	Special Weather Statement	GSP	Rutherford	47 min
Sep 29, 2:30 PM EDT	Special Weather Statement	GSP	Catawba, Iredell, Lincoln, Rowan	45 min
Sep 29, 2:57 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Iredell, Mecklenburg, Rowan	63 min
Sep 29, 3:11 PM EDT	Special Weather Statement	GSP	Cleveland, Henderson, Polk, Rutherford	49 min
Sep 29, 3:18 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	57 min
Sep 29, 3:55 PM EDT	Special Weather Statement	GSP	Cabarrus	35 min
Sep 29, 4:26 PM EDT	Special Weather Statement	GSP	Cherokee	34 min
Sep 29, 4:31 PM EDT	Special Weather Statement	GSP	Spartanburg	29 min
Sep 29, 4:55 PM EDT	Special Weather Statement	GSP	Cherokee	35 min
Sep 29, 5:12 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Union, York	63 min
Sep 29, 5:19 PM EDT	Tornado Warning	GSP	Cherokee, Chester, Union, York	41 min
Sep 29, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Chester	43 min
Sep 29, 6:25 PM EDT	Special Weather Statement	GSP	Spartanburg	35 min

Nearby

Special Weather Statements in South 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.