Alert archive / Georgia / Wind Advisories in 2008

Wind Advisory 32, NWS Atlanta, GA

December 30, 200841 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Dec 30, 2008, 3:09 PM EST for 41 counties in Georgia. It took effect at Dec 31, 2008, 5:00 AM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2008, 3:09 PM EST (20:09 UTC)
In effect from
Dec 31, 2008, 5:00 AM EST
Expired
Dec 31, 2008, 6:00 PM EST
In force
13 hr
Issued by
NWS Atlanta, GA
All 41 counties

Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Lumpkin County, GA, Murray County, GA, Newton County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rockdale County, GA, Spalding County, GA, Towns County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 88 km from the middle of the area, began a volume at 20:08 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.2 hours before the alert went out and 87 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2008-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2008-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2471 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
29 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 
WWUS72 KFFC 302009
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
309 PM EST TUE DEC 30 2008

GAZ001>009-011>016-019>023-030>034-041>045-052>055-310415-
/O.NEW.KFFC.WI.Y.0032.081231T1200Z-081231T2300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-PAULDING-COBB-NORTH FULTON-GWINNETT-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-
CLAYTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
309 PM EST TUE DEC 30 2008

...WIND ADVISORY IN EFFECT FROM 7 AM TO 6 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 6 PM EST WEDNESDAY. THE
ADVISORY IS GENERALLY NORTH AND WEST OF A LINE FROM LA GRANGE...TO
LAWRENCEVILLE...TO CLEVELAND.

A DRY COLD FRONT WILL PASS THROUGH THE AREA TONIGHT. A STRONG AREA
OF HIGH PRESSURE WILL BEGIN TO BUILD INTO THE REGION BEHIND THE
COLD FRONT ON WEDNESDAY. THE PRESSURE GRADIENT WILL INCREASE
SIGNIFICANTLY AS THE HIGH PRESSURE BUILDS IN...AND THUS WINDS
BEHIND THE COLD FRONT ARE EXPECTED TO INCREASE TO BETWEEN 20 AND
30 MPH WITH HIGHER GUSTS. WINDS AT HIGHER ELEVATIONS OF THE NORTH
GEORGIA MOUNTAINS WILL BE EVEN STRONGER...WITH GUSTS POSSIBLY AS
HIGH AS 45 MPH.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$
3 follow-up statements
000 
WWUS72 KFFC 310252
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
952 PM EST TUE DEC 30 2008

GAZ001>009-011>016-019>023-030>034-041>045-052>055-311200-
/O.CON.KFFC.WI.Y.0032.081231T1200Z-081231T2300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-PAULDING-COBB-NORTH FULTON-GWINNETT-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-
CLAYTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
952 PM EST TUE DEC 30 2008

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 6 PM EST
WEDNESDAY FOR MUCH OF NORTH GEORGIA...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 6 PM EST
WEDNESDAY FOR THE AREA GENERALLY NORTH AND WEST OF A LINE FROM LA
GRANGE...TO LAWRENCEVILLE...TO CLEVELAND. 

A DRY COLD FRONT WILL PASS THROUGH THE AREA TONIGHT. A STRONG
AREA OF HIGH PRESSURE WILL BEGIN TO BUILD INTO THE REGION BEHIND
THE COLD FRONT ON WEDNESDAY. THE PRESSURE GRADIENT WILL INCREASE
SIGNIFICANTLY AS HIGH PRESSURE BUILDS IN...AND THUS WINDS BEHIND
THE COLD FRONT ARE EXPECTED TO INCREASE TO BETWEEN 20 AND 30 MPH
WITH HIGHER GUSTS. WINDS AT HIGHER ELEVATIONS OF THE NORTH GEORGIA
MOUNTAINS WILL BE EVEN STRONGER...WITH GUSTS POSSIBLY AS HIGH AS
45 MPH.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$
000 
WWUS72 KFFC 311000
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
500 AM EST WED DEC 31 2008

GAZ024-025-035-046>048-056-057-311800-
/O.EXB.KFFC.WI.Y.0032.081231T1000Z-081231T2300Z/
BANKS-JACKSON-BARROW-ROCKDALE-WALTON-NEWTON-SPALDING-HENRY-
INCLUDING THE CITIES OF...CONYERS...COVINGTON...GRIFFIN
500 AM EST WED DEC 31 2008

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...FOR MUCH OF NORTH GEORGIA...GENERALLY NORTH OF A
FRANKLIN TO MCDONOUGH TO COMMERCE LINE. 

A DRY COLD FRONT WAS PASSING THROUGH THE AREA THIS MORNING. A
STRONG AREA OF HIGH PRESSURE WILL BUILD INTO THE REGION BEHIND
THE COLD FRONT TODAY. THE PRESSURE GRADIENT WILL INCREASE
SIGNIFICANTLY AS HIGH PRESSURE BUILDS IN...AND THUS WINDS BEHIND
THE COLD FRONT ARE EXPECTED TO INCREASE TO BETWEEN 20 AND 30 MPH
WITH HIGHER GUSTS. WINDS AT HIGHER ELEVATIONS OF THE NORTH GEORGIA
MOUNTAINS WILL BE EVEN STRONGER...WITH GUSTS POSSIBLY AS HIGH AS
45 MPH.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$

GAZ001>009-011>016-019>023-030>034-041>045-052>055-311800-
/O.EXT.KFFC.WI.Y.0032.081231T1000Z-081231T2300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-PAULDING-COBB-NORTH FULTON-GWINNETT-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-
CLAYTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
500 AM EST WED DEC 31 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM EST THIS 
AFTERNOON...FOR MUCH OF NORTH GEORGIA...GENERALLY NORTH OF A
FRANKLIN TO MCDONOUGH TO COMMERCE LINE.

A DRY COLD FRONT WAS PASSING THROUGH THE AREA THIS MORNING. A
STRONG AREA OF HIGH PRESSURE WILL BUILD INTO THE REGION BEHIND
THE COLD FRONT TODAY. THE PRESSURE GRADIENT WILL INCREASE
SIGNIFICANTLY AS HIGH PRESSURE BUILDS IN...AND THUS WINDS BEHIND
THE COLD FRONT ARE EXPECTED TO INCREASE TO BETWEEN 20 AND 30 MPH
WITH HIGHER GUSTS. WINDS AT HIGHER ELEVATIONS OF THE NORTH GEORGIA
MOUNTAINS WILL BE EVEN STRONGER...WITH GUSTS POSSIBLY AS HIGH AS
45 MPH.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$
000 
WWUS72 KFFC 312017
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
317 PM EST WED DEC 31 2008

GAZ001>009-011>016-019>025-030>035-041>048-052>057-312300-
/O.CON.KFFC.WI.Y.0032.000000T0000Z-081231T2300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-FAYETTE-
CLAYTON-SPALDING-HENRY-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN
317 PM EST WED DEC 31 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY. IT IS IN EFFECT UNTIL 6 PM THIS AFTERNOON...FOR MUCH OF
NORTH GEORGIA...GENERALLY NORTH OF A FRANKLIN TO MCDONOUGH TO
COMMERCE LINE.

A DRY COLD FRONT WAS PASSING THROUGH THE AREA THIS MORNING. A
STRONG AREA OF HIGH PRESSURE WILL BUILD INTO THE REGION BEHIND
THE COLD FRONT TODAY. THE PRESSURE GRADIENT WILL INCREASE
SIGNIFICANTLY AS HIGH PRESSURE BUILDS IN...AND THUS WINDS BEHIND
THE COLD FRONT ARE EXPECTED TO INCREASE TO BETWEEN 20 AND 30 MPH
WITH HIGHER GUSTS. WINDS AT HIGHER ELEVATIONS OF THE NORTH
GEORGIA MOUNTAINS WILL BE EVEN STRONGER...WITH GUSTS POSSIBLY AS
HIGH AS 45 MPH.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 3:02 PM ESTRed Flag WarningFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more27 hr

Nearby

Wind Advisories in Georgia, 2008Every wind advisory 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.