Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 280, NWS Atlanta, GA

June 6, 2011Cherokee County, Pickens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 6, 2011, 6:25 PM EDT for Cherokee County, Pickens County, Georgia. It was in force for 35 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: Jun 6, 2011, 6:25 PM EDT (22:25 UTC)
Expired: Jun 6, 2011, 7:00 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Cherokee County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 119 km from the middle of the area, began a volume at 22:28 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

Time	Report	Where	Remark
Jun 6, 6:28 PM EDT	HAIL 1	5 Wsw Jasper, GA	THE PUBLIC RELAYED A REPORT OF QUARTER SIZED HAIL AND SEVERAL TREES DOWN WSW OF JASPER.
Jun 6, 6:32 PM EDT	HAIL 0.88	Salacoa Valley, GA	ALSO REPORTED 2 TREES DOWN

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 12:00Z, 10.4 hours before the alert went out and 118 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 536 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 1249 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -90 m²/s²
0-3 km storm-relative helicity: -4 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.

872 
WUUS52 KFFC 062225
SVRFFC
GAC057-227-062300-
/O.NEW.KFFC.SV.W.0280.110606T2225Z-110606T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
625 PM EDT MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN PICKENS COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 700 PM EDT

* AT 623 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL.  THIS
  STORM WAS LOCATED 6 MILES SOUTH OF TALKING ROCK...MOVING SOUTHWEST
  AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WALESKA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3445 8440 3440 8438 3423 8465 3435 8466
      3435 8464 3436 8466 3446 8464 3448 8465
      3452 8456 3455 8450 3455 8448
TIME...MOT...LOC 2225Z 058DEG 32KT 3442 8454

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 6, 4:20 PM EDT	Special Weather Statement	FFC	Union	25 min
Jun 6, 4:37 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin, Union	23 min
Jun 6, 4:59 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Lumpkin, Union	46 min
Jun 6, 5:32 PM EDT	Special Weather Statement	FFC	Dawson	28 min
Jun 6, 5:59 PM EDT	Special Weather Statement	FFC	Pickens	31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every severe thunderstorm warning 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.