Alert archive / North Carolina / Tornado Warnings in 2012

Tornado Warning 3, NWS Greenville-Spartanburg, SC

March 2, 2012Graham County, Swain County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 2, 2012, 1:38 PM EST for Graham County, Swain County, North Carolina. It was in force for 52 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
Mar 2, 2012, 1:38 PM EST (18:38 UTC)
Expired
Mar 2, 2012, 2:30 PM EST
In force
52 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Graham County, NC, Swain County, NC

The radar

The Knoxville radar (KMRX), 84 km from the middle of the area, began a volume at 18:37 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 12:00Z, 6.6 hours before the alert went out and 243 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 12:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 12:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 square meters per square second.1939587897117Sfc1 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
55 J/kg
Mixed-layer CIN
-255 J/kg
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
268 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.

288 
WFUS52 KGSP 021838
TORGSP
NCC075-173-021930-
/O.NEW.KGSP.TO.W.0003.120302T1838Z-120302T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
138 PM EST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GRAHAM COUNTY IN WESTERN NORTH CAROLINA...
  WESTERN SWAIN COUNTY IN WESTERN NORTH CAROLINA...
  THIS INCLUDES THE CITY OF BRYSON CITY...

* UNTIL 230 PM EST

* AT 133 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 29 MILES WEST OF
  TAPOCO...OR 30 MILES NORTHWEST OF MURPHY...MOVING NORTHEAST AT 60
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  TAPOCO...SANTEETLAH AND SANTEETLAH LAKE...
  FONTANA VILLAGE...
  FONTANA LAKE AND STECOAH...
  BRYSON CITY...
  NEWFOUND GAP...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS. MAKE SURE THERE ARE AS MANY WALLS AND FLOORS
BETWEEN YOU AND THE OUTSIDE AS POSSIBLE.

IN ADDITION TO THE TORNADO THREAT...DAMAGING HAIL TO THE SIZE OF 
GOLF BALLS WILL PRECEDE THE TORNADO. WIND DRIVEN HAIL OF THIS SIZE 
POSES A SIGNIFICANT RISK OF INJURY AND DAMAGE. MOBILE HOMES AND 
VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER. OTHERWISE...GO TO 
AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME OR PLACE OF 
BUSINESS.

THIS IS A DANGEROUS AND LIFE-THREATENING SITUATION! SIGNIFICANT
DAMAGE IS LIKELY WITH THIS TORNADO! MOBILE HOMES AND VEHICLES SHOULD
BE ABANDONED IMMEDIATELY FOR STURDIER SHELTER. OTHERWISE...DO NOT
LEAVE YOUR HOME OR PLACE OF BUSINESS! GO TO AN INTERIOR ROOM ON THE
LOWEST LEVEL OF THE BUILDING...PREFERABLY IN A BASEMENT OR
UNDERGROUND SHELTER.

TO REPORT TORNADOES...DAMAGING WINDS...LARGE HAIL...OR FLOODING...
THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3537 8401 3541 8403 3548 8392 3553 8388
      3553 8383 3557 8377 3558 8360 3557 8349
      3562 8344 3563 8339 3548 8336 3542 8337
      3530 8403 3531 8404 3536 8404
TIME...MOT...LOC 1837Z 246DEG 54KT 3539 8438

$$
LG
1 follow-up statement
986 
WWUS52 KGSP 021915
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
215 PM EST FRI MAR 2 2012

NCC075-173-021930-
/O.CON.KGSP.TO.W.0003.000000T0000Z-120302T1930Z/
GRAHAM NC-SWAIN NC-
215 PM EST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM EST FOR WESTERN
SWAIN AND NORTHERN GRAHAM COUNTIES...

AT 210 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 11 MILES NORTH OF
FONTANA VILLAGE...OR 14 MILES SOUTHEAST OF MARYVILLE...MOVING
NORTHEAST AT 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRYSON 
CITY AND NEWFOUND GAP. THIS STORM PRODUCED A TORNADO IN MCMINN 
COUNTY TENNESSEE EARLIER AND HAS ALSO GENERATED DESTRUCTIVE STRAIGHT 
LINE WINDS AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO THREAT...DAMAGING HAIL TO THE SIZE OF 
GOLF BALLS WILL PRECEDE THE TORNADO. WIND DRIVEN HAIL OF THIS SIZE 
POSES A SIGNIFICANT RISK OF INJURY AND DAMAGE. MOBILE HOMES AND 
VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER. OTHERWISE...GO TO 
AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME OR PLACE OF 
BUSINESS.

DAMAGE IS BEING REPORTED WITH THIS TORNADO! MOBILE HOMES AND VEHICLES
SHOULD BE ABANDONED IMMEDIATELY FOR STURDIER SHELTER. OTHERWISE...GO
TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME OR PLACE OF
BUSINESS.

&&

LAT...LON 3537 8401 3541 8403 3548 8392 3553 8388
      3553 8383 3557 8377 3558 8360 3557 8349
      3562 8344 3563 8339 3548 8336 3542 8337
      3530 8403 3531 8404 3536 8404
TIME...MOT...LOC 1913Z 246DEG 54KT 3561 8377

$$
LG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:43 AM ESTSpecial Weather StatementGSPGaston32 min
Mar 2, 8:02 AM ESTSpecial Weather StatementGSPUnion43 min
Mar 2, 8:52 AM ESTSpecial Weather StatementGSPGaston38 min
Mar 2, 9:36 AM ESTSpecial Weather StatementGSPUnion39 min
Mar 2, 9:38 AM ESTSpecial Weather StatementGSPUnion52 min
Mar 2, 10:03 AM ESTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln42 min
Mar 2, 10:49 AM ESTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell41 min
Mar 2, 11:16 AM ESTSpecial Weather StatementGSPDavie44 min
Mar 2, 11:23 AM ESTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan24 min
Mar 2, 1:09 PM ESTSpecial Weather StatementGSPGraham36 min
Mar 2, 2:29 PM ESTTornado WarningGSPGraham, Swain52 min
Mar 2, 3:14 PM ESTSevere Thunderstorm WarningGSPBuncombe, Haywood, Madison23 min

Nearby

Tornado Warnings in North 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.