Alert archive / Georgia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 408, NWS Atlanta, GA

August 30, 2005Houston County, Twiggs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 30, 2005, 1:11 PM EDT for Houston County, Twiggs County, Georgia. It was in force for 34 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: Aug 30, 2005, 1:11 PM EDT (17:11 UTC)
Expired: Aug 30, 2005, 1:45 PM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Houston County, GA, Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 31 km from the middle of the area, began a volume at 17:13 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
Aug 30, 5:50 AM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.2 hours before the alert went out and 124 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: 482 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 648 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 301711
SVRFFC
GAC153-289-301745-
/O.NEW.KFFC.SV.W.0408.050830T1711Z-050830T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
111 PM EDT TUE AUG 30 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOUSTON COUNTY IN CENTRAL GEORGIA
  TWIGGS COUNTY IN CENTRAL GEORGIA

* UNTIL 145 PM EDT

* AT 107 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR PERRY...AND MOVING
  NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WARNER ROBINS...ROBINS AFB AND BONAIRE.

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 3247 8379 3237 8369 3258 8336 3274 8351

$$

KDF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 8:06 PM EDT	Tornado Warning	FFC	Henry, Spalding	24 min
Aug 29, 8:14 PM EDT	Tornado Warning	FFC	Forsyth	31 min
Aug 29, 8:17 PM EDT	Tornado Warning	FFC	Murray	19 min
Aug 29, 8:28 PM EDT	Tornado Warning	FFC	Jasper, Jones, Monroe	51 min
Aug 29, 8:30 PM EDT	Tornado Warning	FFC	Hall, Jackson	45 min
Aug 29, 10:20 PM EDT	Tornado Warning	FFC	Walton	32 min
Aug 29, 10:55 PM EDT	Tornado Warning	FFC	Barrow	35 min
Aug 29, 11:10 PM EDT	Tornado Warning	FFC	Jackson	35 min
Aug 29, 11:29 PM EDT	Severe Thunderstorm Warning	FFC	Hall	46 min
Aug 29, 11:33 PM EDT	Tornado Warning	FFC	Hall	42 min
Aug 30, 12:11 AM EDT	Tornado Warning	FFC	White	34 min
Aug 30, 12:42 AM EDT	Flash Flood Warning	FFC	Towns	2 hr
Aug 30, 12:50 AM EDT	Tornado Warning	FFC	Towns	40 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.