Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 85, NWS Atlanta, GA

April 26, 2007Cherokee County, Pickens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 26, 2007, 6:57 PM EDT for Cherokee County, Pickens County, Georgia. It was in force for 33 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: Apr 26, 2007, 6:57 PM EDT (22:57 UTC)
Expired: Apr 26, 2007, 7:30 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Cherokee County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 120 km from the middle of the area, began a volume at 22:58 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 26, 5:53 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.0 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: 17 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 947 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 170 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.

000 
WUUS52 KFFC 262259
SVRFFC
GAC057-227-262330-
/O.NEW.KFFC.SV.W.0085.070426T2257Z-070426T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
657 PM EDT THU APR 26 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN PICKENS COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 730 PM EDT

* AT 653 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR BALL GROUND...MOVING NORTHEAST AT
  20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
TATE...
  NELSON...AND JASPER.

WIND DAMAGE HAS BEEN REPORTED JUST NORTH OF CANTON...AND DOPPLER 
RADAR
INDICATES STRONG WINDS ACROSS NORTHEAST CHEROKEE MOVING INTO EASTERN
PICKENS COUNTY CAPABLE OF CAUSING DAMAGE.

EARLIER...DOPPLER RADAR INDICATED ROTATION WITHIN THIS STORM. 
ALTHOUGH CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A 
TORNADO...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT 
QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY 
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

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 3431 8436 3436 8450 3451 8441 3455 8436
      3454 8434 3447 8433 3446 8431 3446 8427
      3429 8426

$$


19

1 follow-up statement

000 
WWUS52 KFFC 262329
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
727 PM EDT THU APR 26 2007

GAC057-227-262337-
/O.EXP.KFFC.SV.W.0085.000000T0000Z-070426T2330Z/
CHEROKEE GA-PICKENS GA-
727 PM EDT THU APR 26 2007

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PICKENS AND
NORTHEASTERN CHEROKEE COUNTIES EXPIRES AT 730 PM EDT...

AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM LOCATED 7 MILES EAST OF MARBLEHILL...MOVING 
NORTHEAST AT 20 MPH.  THIS STORM IS NO LONGER A THREAT TO ANY 
LOCATIONS IN CHEROKEE OR PICKENS COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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 3429 8436 3436 8450 3451 8441 3455 8436
      3454 8434 3447 8433 3446 8431 3446 8427
      3429 8426

$$

Nearby

Severe Thunderstorm Warnings in Georgia, 2007 Every severe thunderstorm warning in 2007

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.