Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 23, NWS Greenville-Spartanburg, SC

April 28, 2011Oconee County, South Carolina; Habersham County, Rabun County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 28, 2011, 12:21 AM EDT for Oconee County, South Carolina; Habersham County, Rabun County, Stephens County, Georgia. It was in force for 39 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
Apr 28, 2011, 12:21 AM EDT (04:21 UTC)
Expired
Apr 28, 2011, 1:00 AM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Habersham County, GA, Rabun County, GA, Stephens County, GA, Oconee County, SC

The radar

The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 04:22 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
Apr 28, 12:34 AM EDTTSTM WND DMGBatesville, GATREES DOWN ALONG HIGHWAY 197 IN BATESVILLE.
Apr 28, 1:00 AM EDTFUNNEL CLOUDMountain Rest, SCFUNNEL CLOUD MOVING NORTHEAST

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 27, 6:52 PM EDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.4 hours before the alert went out and 183 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 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1215 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 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 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
1215 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
408 m²/s²
Significant tornado parameter
1.6
Supercell composite
15.2

Open this sounding in Storm Lab

The text

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

191 
WFUS52 KGSP 280421
TORGSP
GAC137-241-257-SCC073-280500-
/O.NEW.KGSP.TO.W.0023.110428T0421Z-110428T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1221 AM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  HABERSHAM COUNTY IN NORTHEAST GEORGIA...
  THIS INCLUDES THE CITY OF CLARKESVILLE...
  SOUTHERN RABUN COUNTY IN NORTHEAST GEORGIA...
  NORTHWESTERN STEPHENS COUNTY IN NORTHEAST GEORGIA...
  THIS INCLUDES THE CITY OF TOCCOA...
  CENTRAL OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...
  THIS INCLUDES THE CITY OF WALHALLA...

* UNTIL 100 AM EDT

* AT 1217 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES WEST OF
  DEMOREST...OR 4 MILES SOUTHWEST OF CLEVELAND...MOVING EAST AT 60
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  DEMOREST AND BATESVILLE...
  CLARKESVILLE...
  TURNERVILLE AND HOLLYWOOD...
  TALLULAH FALLS AND LAKEMONT...
  LONG CREEK...
  WESTMINSTER AND MOUNTAIN REST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES WHICH OCCUR AFTER DARK ARE ESPECIALLY DANGEROUS. PEOPLE IN
THE WARNED AREA SHOULD PREPARE IMMEDIATELY FOR THIS TORNADO. 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.

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 3454 8362 3465 8367 3473 8363 3478 8364
      3496 8292 3495 8291 3482 8290 3479 8288
      3474 8290 3474 8287 3472 8286 3451 8352
      3448 8365 3449 8366 3451 8367
TIME...MOT...LOC 0420Z 250DEG 53KT 3457 8376

$$

BSH
1 follow-up statement
306 
WWUS52 KGSP 280433
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1233 AM EDT THU APR 28 2011

GAC137-241-257-SCC073-280500-
/O.CON.KGSP.TO.W.0023.000000T0000Z-110428T0500Z/
STEPHENS GA-RABUN GA-HABERSHAM GA-OCONEE SC-
1233 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR CENTRAL
OCONEE...HABERSHAM...SOUTHERN RABUN AND NORTHWESTERN STEPHENS
COUNTIES...

AT 1230 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 7 MILES NORTHWEST OF
DEMOREST...OR 6 MILES EAST OF CLEVELAND...MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BATESVILLE...MOUNT AIRY...CLARKESVILLE...NACOOHE LAKE...HOLLYWOOD...
TURNERVILLE...LAKE RABUN...LAKEMONT...TOCCOA...TALLULAH FALLS...LONG
CREEK...LAKE KEOWEE...WESTMINSTER...WALHALLA...SALEM AND MOUNTAIN
REST

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES WHICH OCCUR AFTER DARK ARE ESPECIALLY DANGEROUS. PEOPLE IN
THE WARNED AREA SHOULD PREPARE IMMEDIATELY FOR THIS TORNADO. 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.

&&

LAT...LON 3473 8363 3478 8364 3496 8292 3495 8291
      3482 8290 3479 8288 3474 8290 3474 8287
      3472 8286 3451 8352 3454 8362 3465 8367
TIME...MOT...LOC 0433Z 250DEG 45KT 3463 8361

$$

BSH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 11:22 PM EDTTornado WarningGSPOconee, Pickens38 min
Apr 28, 12:04 AM EDTTornado WarningGSPOconee41 min
Apr 28, 12:54 AM EDTTornado WarningGSPOconee, Pickens51 min
Apr 28, 1:31 AM EDTTornado WarningGSPGreenville, Oconee, Pickens44 min
Apr 28, 2:06 AM EDTSpecial Weather StatementGSPAbbeville39 min
Apr 28, 2:29 AM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood46 min
Apr 28, 3:09 AM EDTSevere Thunderstorm WarningGSPGreenwood, Laurens36 min
Apr 27, 10:43 PM EDTTornado WarningGSPHabersham, Rabun47 min

Nearby

Tornado Warnings in Georgia, 2011Tornado Warnings in South Carolina, 2011Every tornado warning in 2011Tornadoes in 2011

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.