Alert archive / Georgia / Wind Advisories in 2008

Wind Advisory 21, NWS Atlanta, GA

September 13, 200833 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Sep 13, 2008, 3:31 PM EDT for 33 counties in Georgia. It took effect at Sep 14, 2008, 12:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Sep 13, 2008, 3:31 PM EDT (19:31 UTC)
In effect from
Sep 14, 2008, 12:00 PM EDT
Expired
Sep 14, 2008, 4:51 PM EDT
In force
5 hr
Issued by
NWS Atlanta, GA
All 33 counties

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, Haralson County, GA, Harris County, GA, Heard County, GA, Lumpkin County, GA, Meriwether County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 84 km from the middle of the area, began a volume at 19:32 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, 7.5 hours before the alert went out and 85 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 2008-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 joules per kilogram.LCLLFCEL10008507005003002001001 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 2008-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -70 square meters per square second.1939Sfc1 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
392 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-70 m²/s²
0-3 km storm-relative helicity
-45 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 131931
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
331 PM EDT SAT SEP 13 2008

GAZ001>009-011>015-019>022-030>033-041>045-052>055-066-067-078-
140345-
/O.NEW.KFFC.WI.Y.0021.080914T1600Z-080915T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-FLOYD-BARTOW-CHEROKEE-
FORSYTH-POLK-PAULDING-COBB-NORTH FULTON-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-CLAYTON-TROUP-MERIWETHER-
HARRIS-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...ROME...
CARTERSVILLE...MARIETTA...ATLANTA...CARROLLTON...DOUGLASVILLE...
EAST POINT...DECATUR...NEWNAN...PEACHTREE CITY
331 PM EDT SAT SEP 13 2008

...WIND ADVISORY IN EFFECT FROM 12 PM TO 8 PM EDT SUNDAY ACROSS 
PORTIONS OF NORTH AND WEST GEORGIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 PM TO 8 PM EDT SUNDAY. THE
ADVISORY AREA IS GENERALLY WEST OF A LINE FROM COLUMBUS TO CUMMING
TO BRASSTOWN BALD MOUNTAIN.

WINDS WILL INCREASE TOMORROW AFTERNOON ACROSS NORTH AND PORTIONS
OF WEST GEORGIA AS THE REMNANTS OF HURRICANE IKE MOVE
NORTHEASTWARD ALONG AN APPROACHING SURFACE FRONT. SOUTHWEST WINDS
WILL INCREASE TO BETWEEN 20 AND 25 MPH WITH GUSTS GREATER THAN 30
MPH. ALONG THE RIDGES...WINDS WILL BE HIGHER WITH GUSTS POSSIBLY
REACHING AS HIGH AS 35 MPH. WINDS SHOULD DIMINISH SUNDAY NIGHT.

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 140202
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1002 PM EDT SAT SEP 13 2008

GAZ001>009-011>015-019>022-030>033-041>045-052>055-066-067-078-
141000-
/O.CON.KFFC.WI.Y.0021.080914T1600Z-080915T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-FLOYD-BARTOW-CHEROKEE-
FORSYTH-POLK-PAULDING-COBB-NORTH FULTON-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-CLAYTON-TROUP-MERIWETHER-
HARRIS-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...ROME...
CARTERSVILLE...MARIETTA...ATLANTA...CARROLLTON...DOUGLASVILLE...
EAST POINT...DECATUR...NEWNAN...PEACHTREE CITY
1002 PM EDT SAT SEP 13 2008

...WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 8 PM EDT
SUNDAY FOR PORTIONS OF NORTH AND WEST GEORGIA...

A WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 8 PM EDT SUNDAY...
FOR THE AREA GENERALLY WEST OF A LINE FROM COLUMBUS TO CUMMING TO
BRASSTOWN BALD MOUNTAIN.

WINDS WILL INCREASE SUNDAY AFTERNOON ACROSS NORTH AND PORTIONS OF
WEST GEORGIA AS THE REMNANTS OF HURRICANE IKE MOVE NORTHEASTWARD
ALONG AN APPROACHING SURFACE FRONT. SOUTHWEST WINDS WILL INCREASE
TO BETWEEN 20 AND 25 MPH WITH GUSTS GREATER THAN 30 MPH. ALONG THE
RIDGES...WINDS WILL BE HIGHER WITH GUSTS POSSIBLY REACHING AS HIGH
AS 35 MPH. WINDS SHOULD DIMINISH SUNDAY NIGHT.

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 140839
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
439 AM EDT SUN SEP 14 2008

GAZ012-019>022-030>033-041>045-052>055-066-067-078-140945-
/O.CAN.KFFC.WI.Y.0021.080914T1600Z-080915T0000Z/
GORDON-FLOYD-BARTOW-CHEROKEE-FORSYTH-POLK-PAULDING-COBB-
NORTH FULTON-HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-HEARD-
COWETA-FAYETTE-CLAYTON-TROUP-MERIWETHER-HARRIS-
INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE...
MARIETTA...ATLANTA...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
439 AM EDT SUN SEP 14 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE
WIND ADVISORY FOR AREAS SOUTH OF A LINE FROM ROME TO JASPER TO
GAINESVILLE.

WINDS ARE FORECAST TO BE BETWEEN 10 AND 20 MPH WITH OCCASIONAL
HIGHER GUSTS. SINCE THIS IS JUST BELOW ADVISORY LEVELS...THE
ADVISORY HAS BEEN CANCELLED.

$$

GAZ001>009-011-013>015-141645-
/O.CON.KFFC.WI.Y.0021.080914T1600Z-080915T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-PICKENS-DAWSON-LUMPKIN-
INCLUDING THE CITY OF...DAHLONEGA
439 AM EDT SUN SEP 14 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT
THIS EVENING GENERALLY NORTH OF A LINE FROM SUMMERVILLE TO ELIJAY
TO DAHLONEGA.

WINDS WILL INCREASE THIS AFTERNOON ACROSS NORTH GEORGIA AS THE
REMNANTS OF HURRICANE IKE MOVE NORTHEASTWARD ALONG AN APPROACHING
COLD FRONT. SOUTHWEST WINDS WILL INCREASE TO BETWEEN 20 AND 25
MPH WITH GUSTS GREATER THAN 30 MPH. ALONG THE RIDGES...WINDS WILL
BE HIGHER WITH GUSTS POSSIBLY REACHING AS HIGH AS 35 MPH. WINDS
SHOULD DIMINISH SUNDAY NIGHT.

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 142051
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
451 PM EDT SUN SEP 14 2008

GAZ001>009-011-013>015-142200-
/O.CAN.KFFC.WI.Y.0021.000000T0000Z-080915T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-PICKENS-DAWSON-LUMPKIN-
INCLUDING THE CITY OF...DAHLONEGA
451 PM EDT SUN SEP 14 2008

...WIND ADVISORY IS CANCELLED FOR NORTH GEORGIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELED THE
WIND ADVISORY FOR NORTH GEORGIA.

WINDS ACROSS NORTH GEORGIA HAVE DIMINISHED TO 10 TO 15 MILES AN
HOUR WITH OCCASIONAL GUSTS UP TO 25 MILES AN HOUR ALONG THE HIGHER
RIDGES. THESE CONDITIONS WILL CONTINUE TO DIMINISH THROUGH THIS
EVENING.  

$$

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.