Alert archive / South Carolina / Tornado Warnings in 2012
Tornado Warning 14, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Sep 29, 2012, 5:19 PM EDT for 4 counties in South Carolina. It was in force for 41 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, 5:19 PM EDT (21:19 UTC)
- Expired
- Sep 29, 2012, 6:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Cherokee County, SC, Chester County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 82 km from the middle of the area, began a volume at 21:21 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.3 hours before the alert went out and 185 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
284 WFUS52 KGSP 292119 TORGSP SCC021-023-087-091-292200- /O.NEW.KGSP.TO.W.0014.120929T2119Z-120929T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 519 PM EDT SAT SEP 29 2012 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA... NORTHWESTERN CHESTER COUNTY IN UPSTATE SOUTH CAROLINA... NORTHEASTERN UNION COUNTY IN UPSTATE SOUTH CAROLINA... SOUTHWESTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA... * UNTIL 600 PM EDT * AT 519 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED 8 MILES SOUTHWEST OF HICKORY GROVE...OR 13 MILES SOUTHEAST OF GAFFNEY...AND MOVING SOUTHEAST AT 20 MPH. * THIS STORM WILL IMPACT LOCATIONS NEAR... LOCKHART. LOWRYS AND MCCONNELLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS IN EFFECT FOR THE SAME AREA. A TORNADO IS LIKELY DEVELOPING. SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST LEVEL OF A HOUSE OR OFFICE BUILDING. PLACE AS MANY FLOORS AND WALLS BETWEEN YOU AND THE OUTSIDE AS POSSIBLE. && LAT...LON 3495 8106 3463 8123 3487 8166 3503 8157 TIME...MOT...LOC 2119Z 296DEG 18KT 3491 8152 $$ HG
2 follow-up statements
094
WWUS52 KGSP 292136
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
536 PM EDT SAT SEP 29 2012
SCC021-087-292145-
/O.CAN.KGSP.TO.W.0014.000000T0000Z-120929T2200Z/
CHEROKEE SC-UNION SC-
536 PM EDT SAT SEP 29 2012
...THE TORNADO WARNING FOR NORTHEASTERN UNION AND SOUTH CENTRAL
CHEROKEE COUNTIES IN UPSTATE SOUTH CAROLINA IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED EAST OF THIS AREA.
LAT...LON 3476 8145 3479 8146 3481 8148 3484 8146
3488 8147 3496 8141 3497 8114 3495 8107
3495 8106 3463 8123
TIME...MOT...LOC 2135Z 299DEG 26KT 3484 8137
$$
SCC023-091-292200-
/O.CON.KGSP.TO.W.0014.000000T0000Z-120929T2200Z/
CHESTER SC-YORK SC-
536 PM EDT SAT SEP 29 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN YORK AND
NORTHWESTERN CHESTER COUNTIES UNTIL 600 PM EDT...
AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED 6 MILES NORTHEAST OF LOCKHART...OR 13 MILES SOUTHWEST OF
YORK...MOVING SOUTHEAST AT 30 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
LOWRYS AND MCCONNELLS.
CHESTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO IS LIKELY DEVELOPING OR ALREADY OCCURRING. ABANDON MOBILE
HOMES IF YOU ARE IN THE PATH OF THIS STORM. SEEK IMMEDIATE SHELTER
IN AN INTERIOR ROOM ON THE LOWEST LEVEL OF A HOUSE OR OFFICE
BUILDING. PLACE AS MANY FLOORS AND WALLS BETWEEN YOU AND THE OUTSIDE
AS POSSIBLE.
DAMAGING STRAIGHT LINE WINDS CAN ALSO OCCUR NEARBY...AS WELL AS
QUARTER SIZED HAIL.
&&
LAT...LON 3476 8145 3479 8146 3481 8148 3484 8146
3488 8147 3496 8141 3497 8114 3495 8107
3495 8106 3463 8123
TIME...MOT...LOC 2135Z 299DEG 26KT 3484 8137
$$
HG916
WWUS52 KGSP 292156
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
556 PM EDT SAT SEP 29 2012
SCC023-091-292203-
/O.EXP.KGSP.TO.W.0014.000000T0000Z-120929T2200Z/
CHESTER SC-YORK SC-
556 PM EDT SAT SEP 29 2012
...THE TORNADO WARNING FOR SOUTHWESTERN YORK AND NORTHWESTERN CHESTER
COUNTIES WILL EXPIRE AT 600 PM EDT...
AT 553 PM EDT...ALTHOUGH THE PARENT THUNDERSTORM STILL SHOWS SOME
CIRCULATION...THERE IS LESS EVIDENCE ON RADAR OF THE CIRCULATION
EXTENDING TOWARD THE SURFACE. THE TORNADO THREAT APPEARS TO BE
DIMINISHING. THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE ON
SCHEDULE AT 6 PM UNLESS THE CIRCULATION STRENGTHENS AGAIN. VERY
GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 3476 8145 3479 8146 3481 8148 3484 8146
3488 8147 3496 8141 3497 8114 3495 8107
3495 8106 3463 8123
TIME...MOT...LOC 2153Z 299DEG 26KT 3478 8123
$$
HGThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 3:18 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 57 min |
| Sep 29, 4:10 PM EDT | Special Weather Statement | GSP | Spartanburg | 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, 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
Tornado Warnings in South Carolina, 2012Every tornado warning in 2012Tornadoes 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.