Alert archive / Georgia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 239, NWS Atlanta, GA

April 30, 2005Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 30, 2005, 6:08 AM EDT for Polk County, Georgia. 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: Apr 30, 2005, 6:08 AM EDT (10:08 UTC)
Expired: Apr 30, 2005, 7:00 AM EDT
In force: 52 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Polk County, GA

The radar

The Atlanta radar (KFFC), 103 km from the middle of the area, began a volume at 10:10 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 30, 6:05 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.1 hours before the alert went out and 107 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2071 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 165 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 301008
SVRFFC
GAC233-301100-
/O.NEW.KFFC.SV.W.0239.050430T1008Z-050430T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
608 AM EDT SAT APR 30 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 700 AM EDT

* AT 605 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  WEST OF ETNA...AND MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ROCKMART...FISH CREEK...CEDARTOWN AND ARAGON.

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 3406 8563 3389 8555 3393 8507 3407 8496

$$

2 follow-up statements

000 
WWUS52 KFFC 301029
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
628 AM EDT SAT APR 30 2005

GAC233-301100-
/O.CON.KFFC.SV.W.0239.000000T0000Z-050430T1100Z/
POLK-
628 AM EDT SAT APR 30 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 700 AM EDT FOR POLK
COUNTY...

AT 627 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED NEAR ARAGON...OR ABOUT NEAR ROCKMART...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VAN
WERT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EDT SATURDAY AFTERNOON
FOR NORTHWESTERN GEORGIA.

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 3406 8563 3389 8555 3393 8507 3407 8496

$$
KDF

000 
WWUS52 KFFC 301048
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
648 AM EDT SAT APR 30 2005

GAC233-301100-
/O.CON.KFFC.SV.W.0239.000000T0000Z-050430T1100Z/
POLK-
648 AM EDT SAT APR 30 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 700 AM EDT FOR POLK
COUNTY...

AT 644 AM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 15 MILES
NORTHEAST OF ARAGON TO ROCKMART TO 6 MILES SOUTH OF FISH CREEK...OR
ALONG A LINE EXTENDING FROM CARTERSVILLE TO ROCKMART TO 8 MILES
SOUTHWEST OF ROCKMART...MOVING EAST AT 55 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EDT SATURDAY AFTERNOON
FOR NORTHWESTERN GEORGIA.

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 3406 8563 3389 8555 3393 8507 3407 8496

$$
KDF

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 5:47 AM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	43 min
Apr 30, 6:17 AM EDT	Severe Thunderstorm Warning	FFC	Bartow, Gordon	43 min
Apr 30, 6:36 AM EDT	Severe Thunderstorm Warning	FFC	Haralson	39 min
Apr 30, 6:44 AM EDT	Severe Thunderstorm Warning	FFC	Paulding	46 min
Apr 30, 6:54 AM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Pickens	51 min
Apr 30, 6:57 AM EDT	Severe Thunderstorm Warning	FFC	Cobb	48 min
Apr 30, 7:54 AM EDT	Severe Thunderstorm Warning	FFC	Heard, Troup	55 min
Apr 30, 9:40 AM EDT	Tornado Warning	FFC	Chattahoochee, Stewart	35 min
Apr 30, 9:43 AM EDT	Severe Thunderstorm Warning	FFC	Muscogee	32 min
Apr 30, 9:58 AM EDT	Severe Thunderstorm Warning	FFC	Marion, Webster	32 min
Apr 30, 10:15 AM EDT	Severe Thunderstorm Warning	FFC	Macon, Schley, Sumter, Taylor	30 min
Apr 30, 10:41 AM EDT	Severe Thunderstorm Warning	FFC	Dooly	34 min
Apr 30, 11:55 AM EDT	Severe Thunderstorm Warning	FFC	Laurens	35 min
Apr 30, 12:00 PM EDT	Severe Thunderstorm Warning	FFC	Johnson	36 min
Apr 30, 12:38 PM EDT	Severe Thunderstorm Warning	FFC	Treutlen	28 min
Apr 30, 12:45 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery	25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2005 Every severe thunderstorm warning in 2005

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.