Alert archive / South Carolina / Tornado Warnings in 2014

Tornado Warning 3, NWS Greenville-Spartanburg, SC

February 21, 2014Rabun County, Georgia; Oconee County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Feb 21, 2014, 5:59 AM EST for Rabun County, Georgia; Oconee County, Pickens County, South Carolina. It was in force for 31 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
Feb 21, 2014, 5:59 AM EST (10:59 UTC)
Expired
Feb 21, 2014, 6:30 AM EST
In force
31 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Rabun County, GA, Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 65 km from the middle of the area, began a volume at 11:01 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.0 hours before the alert went out and 233 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 2014-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.19395878Sfc1 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
10 J/kg
Mixed-layer CIN
-271 J/kg
Mixed-layer LCL
1301 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
279 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.

949 
WFUS52 KGSP 211059
TORGSP
GAC241-SCC073-077-211130-
/O.NEW.KGSP.TO.W.0003.140221T1059Z-140221T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
559 AM EST FRI FEB 21 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN RABUN COUNTY IN NORTHEAST GEORGIA...
  NORTHERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHWESTERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 630 AM EST

* AT 553 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
  LOCATED 5 MILES WEST OF MOUNTAIN REST...OR 9 MILES EAST OF
  CLAYTON...AND MOVING EAST AT 50 MPH.

* THIS STORM WILL IMPACT LOCATIONS NEAR...
  SALEM.
  LAKE JOCASSEE AND NINE TIMES.
  ROCKY BOTTOM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BRIEF...WEAK TORNADO IS LIKELY. MOBILE HOMES COULD BE FLIPPED. 
FALLING TREES CAN CAUSE DEATH OR SERIOUS INJURY...AND MAJOR DAMAGE TO
HOUSES. SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST LEVEL OF A 
HOUSE OR OFFICE BUILDING.

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 3505 8292 3509 8279 3508 8277 3507 8278
      3507 8276 3488 8270 3480 8327 3493 8331
TIME...MOT...LOC 1059Z 252DEG 43KT 3489 8317

$$
08
2 follow-up statements
331 
WWUS52 KGSP 211115
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
615 AM EST FRI FEB 21 2014

GAC241-211125-
/O.CAN.KGSP.TO.W.0003.000000T0000Z-140221T1130Z/
RABUN GA-
615 AM EST FRI FEB 21 2014

...THE TORNADO WARNING FOR NORTHEASTERN RABUN COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.

LAT...LON 3500 8309 3508 8283 3509 8279 3508 8277
      3507 8278 3507 8276 3506 8276 3488 8270
      3486 8307 3499 8310
TIME...MOT...LOC 1115Z 252DEG 43KT 3495 8295

$$

SCC073-077-211130-
/O.CON.KGSP.TO.W.0003.000000T0000Z-140221T1130Z/
OCONEE SC-PICKENS SC-
615 AM EST FRI FEB 21 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN PICKENS AND
NORTH CENTRAL OCONEE COUNTIES UNTIL 630 AM EST...

AT 610 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM WAS
LOCATED NEAR SALEM...OR 11 MILES NORTH OF WALHALLA...MOVING EAST AT
50 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  LAKE JOCASSEE AND NINE TIMES.
  ROCKY BOTTOM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BRIEF...WEAK TORNADO IS LIKELY. MOBILE HOMES COULD BE FLIPPED.
FALLING TREES CAN CAUSE DEATH OR SERIOUS INJURY...AND MAJOR DAMAGE TO
HOUSES. SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST LEVEL OF A
HOUSE OR OFFICE BUILDING.

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 3500 8309 3508 8283 3509 8279 3508 8277
      3507 8278 3507 8276 3506 8276 3488 8270
      3486 8307 3499 8310
TIME...MOT...LOC 1115Z 252DEG 43KT 3495 8295

$$
08
891 
WWUS52 KGSP 211128
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
628 AM EST FRI FEB 21 2014

SCC073-077-211138-
/O.EXP.KGSP.TO.W.0003.000000T0000Z-140221T1130Z/
OCONEE SC-PICKENS SC-
628 AM EST FRI FEB 21 2014

...THE TORNADO WARNING FOR NORTHWESTERN PICKENS AND NORTH CENTRAL
OCONEE COUNTIES WILL EXPIRE AT 630 AM EST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH 
THUNDERSTORMS THIS MORNING.

LAT...LON 3500 8309 3508 8283 3509 8279 3508 8277
      3507 8278 3507 8276 3506 8276 3488 8270
      3486 8307 3499 8310
TIME...MOT...LOC 1128Z 252DEG 43KT 3500 8277

$$
08

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 4:39 AM ESTSpecial Weather StatementGSPFranklin, Habersham, Hart, Rabun, Stephens66 min
Feb 21, 5:51 AM ESTSpecial Weather StatementGSPHart54 min
Feb 21, 6:12 AM ESTSevere Thunderstorm WarningGSPElbert, Hart48 min
Feb 21, 6:39 AM ESTAreal Flood AdvisoryGSPElbert, Hart81 min
Feb 21, 6:56 AM ESTSpecial Weather StatementGSPCherokee, Laurens, Spartanburg, Union49 min
Feb 21, 7:44 AM ESTSpecial Weather StatementGSPChester, Laurens, Union, York46 min
Feb 21, 8:29 AM ESTSpecial Weather StatementGSPChester46 min
Feb 21, 9:11 AM ESTAreal Flood AdvisoryGSPYork79 min

Nearby

Tornado Warnings in South Carolina, 2014Tornado Warnings in Georgia, 2014Every tornado warning in 2014Tornadoes in 2014

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.