Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 7, NWS Atlanta, GA

February 6, 2008Catoosa County, Whitfield County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 6, 2008, 8:03 AM EST for Catoosa County, Whitfield County, Georgia. It was in force for 27 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: Feb 6, 2008, 8:03 AM EST (13:03 UTC)
Expired: Feb 6, 2008, 8:30 AM EST
In force: 27 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Catoosa County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 98 km from the middle of the area, began a volume at 12:59 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
Feb 6, 5:06 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.1 hours before the alert went out and 175 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: 2 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 658 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 302 m²/s²
0-3 km storm-relative helicity: 344 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 061303
SVRFFC
GAC047-313-061330-
/O.NEW.KFFC.SV.W.0007.080206T1303Z-080206T1330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
803 AM EST WED FEB 6 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATOOSA COUNTY IN NORTHWEST GEORGIA
  NORTHERN WHITFIELD COUNTY IN NORTHWEST GEORGIA

* UNTIL 830 AM EST

* AT 759 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED 8 MILES WEST OF ROCKY FACE...MOVING
  NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TUNNEL HILL AND RINGGOLD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EST WEDNESDAY MORNING
FOR NORTHWESTERN GEORGIA.

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 3501 8481 3496 8481 3494 8484 3489 8482
      3473 8517 3477 8515 3477 8520 3484 8520
      3485 8526 3501 8500
TIME...MOT...LOC 1303Z 232DEG 41KT 3481 8512

$$

1 follow-up statement

000 
WWUS52 KFFC 061325
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
825 AM EST WED FEB 6 2008

GAC047-313-061335-
/O.EXP.KFFC.SV.W.0007.000000T0000Z-080206T1330Z/
WHITFIELD GA-CATOOSA GA-
825 AM EST WED FEB 6 2008

...THE SEVERE THUNDERSTORM WARNING FOR CATOOSA AND NORTHERN WHITFIELD
COUNTIES WILL BE ALLOWED TO EXPIRE AT 830 AM EST...

AT 825 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP
TO 60 MPH. THIS STORM WAS LOCATED ABOUT 7 MILES EAST OF 
COHUTTA...AND MOVING NORTHEAST AT 55 MPH.

THE SEVERE THUNDERSTORM WILL EXIT WHITFIELD COUNTY BY 830 AM EST.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EST WEDNESDAY MORNING
FOR NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 200 PM EST WEDNESDAY 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 3501 8481 3496 8481 3494 8484 3489 8482
      3473 8517 3477 8515 3477 8520 3484 8520
      3485 8526 3501 8500
TIME...MOT...LOC 1325Z 241DEG 47KT 3499 8480

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 6, 6:21 AM EST	Tornado Warning	FFC	Dade	39 min
Feb 6, 7:53 AM EST	Tornado Warning	FFC	Walker	14 min
Feb 6, 8:21 AM EST	Severe Thunderstorm Warning	FFC	Fannin, Murray	24 min
Feb 6, 10:00 AM EST	Severe Thunderstorm Warning	FFC	Chattahoochee, Muscogee	37 min
Feb 6, 11:32 AM EST	Severe Thunderstorm Warning	FFC	Greene, Morgan, Oglethorpe	28 min
Feb 6, 2:21 PM EST	Severe Thunderstorm Warning	FFC	Laurens	24 min
Feb 6, 2:21 PM EST	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	39 min
Feb 6, 2:30 PM EST	Severe Thunderstorm Warning	FFC	Johnson, Washington	30 min
Feb 6, 2:40 PM EST	Severe Thunderstorm Warning	FFC	Emanuel, Treutlen	35 min
Feb 6, 2:41 PM EST	Severe Thunderstorm Warning	FFC	Dodge, Laurens	34 min
Feb 6, 3:10 PM EST	Severe Thunderstorm Warning	FFC	Emanuel	20 min
Feb 6, 6:26 PM EST	Tornado Warning	FFC	Montgomery	19 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2008 Every severe thunderstorm warning in 2008

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.