Alert archive / South Carolina / Tornado Warnings in 2013

Tornado Warning 9, NWS Greenville-Spartanburg, SC

July 22, 2013Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Jul 22, 2013, 8:29 PM EDT for Oconee County, South Carolina. It was in force for 46 min. 2 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 22, 2013, 8:29 PM EDT (00:29 UTC)
Expired
Jul 22, 2013, 9:15 PM EDT
In force
46 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Oconee County, SC

The radar

The Greer radar (KGSP), 81 km from the middle of the area, began a volume at 00:30 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 22, 8:48 PM EDTFUNNEL CLOUD5 Sse Westminster, SCFUNNEL CLOUD SPOTTED BY PUBLIC.
Jul 22, 8:55 PM EDTFUNNEL CLOUD5 Sw Seneca, SCFUNNEL CLOUD SPOTTED BY PUBLIC.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.5 hours before the alert went out and 194 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, Peachtre/Fal Fld, GA at 00:00Z on 2013-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1549 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 2013-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.193958Sfc1 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
1549 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

247 
WFUS52 KGSP 230029
TORGSP
SCC073-230115-
/O.NEW.KGSP.TO.W.0009.130723T0029Z-130723T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
829 PM EDT MON JUL 22 2013

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 915 PM EDT

* AT 826 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
  LOCATED 5 MILES SOUTHWEST OF WESTMINSTER...OR 9 MILES NORTHEAST OF
  TOCCOA...AND MOVING EAST AT 20 MPH.

* THIS STORM WILL IMPACT LOCATIONS NEAR...
  WESTMINSTER.
  SENECA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WEATHER SPOTTERS ARE REPORTING TOUCHDOWN OF A DAMAGING TORNADO.
ABANDON MOBILE HOMES. 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.

TAKE IMMEDIATE ACTION...NIGHT TIME TORNADOES ARE ESPECIALLY
DANGEROUS. 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.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3459 8317 3461 8316 3462 8324 3463 8326
      3467 8327 3477 8289 3474 8290 3473 8287
      3461 8286 3456 8290
TIME...MOT...LOC 0029Z 263DEG 16KT 3463 8316

$$
WIMBERLEY
1 follow-up statement
051 
WWUS52 KGSP 230049
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
849 PM EDT MON JUL 22 2013

SCC073-230115-
/O.CON.KGSP.TO.W.0009.000000T0000Z-130723T0115Z/
OCONEE SC-
849 PM EDT MON JUL 22 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN OCONEE COUNTY
UNTIL 915 PM EDT...

AT 840 PM EDT...THE PUBLIC REPORTED TORNADO DAMAGE NEAR TOCCOA. AT 
844 PM...A STORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR 
WESTMINSTER...OR 10 MILES SOUTH OF WALHALLA...MOVING EAST AT 15 MPH.

THE TORNADO WILL IMPACT LOCATIONS NEAR...
  SENECA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WEATHER SPOTTERS ARE REPORTING TOUCHDOWN OF A DAMAGING TORNADO.
ABANDON MOBILE HOMES. 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.

TAKE IMMEDIATE ACTION...NIGHT TIME TORNADOES ARE ESPECIALLY
DANGEROUS. 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.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3459 8317 3461 8316 3462 8324 3463 8326
      3467 8327 3477 8289 3474 8290 3473 8287
      3461 8286 3456 8290
TIME...MOT...LOC 0048Z 264DEG 15KT 3464 8307

$$
WIMBERLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 9:04 PM EDTTornado WarningGSPAnderson, Oconee, Pickens41 min
Jul 22, 9:07 PM EDTTornado WarningGSPAnderson, Oconee38 min
Jul 22, 9:24 PM EDTTornado WarningGSPAbbeville, Anderson, Greenwood51 min
Jul 22, 9:53 PM EDTSpecial Weather StatementGSPAnderson67 min
Jul 22, 10:32 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Laurens, Spartanburg43 min

Nearby

Tornado Warnings in South Carolina, 2013Every tornado warning in 2013Tornadoes in 2013

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.