Alert archive / Georgia / Wind Advisories in 2007

Wind Advisory 7, NWS Atlanta, GA

February 24, 200734 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Feb 24, 2007, 8:44 PM EST for 34 counties in Georgia. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2007, 8:44 PM EST (01:44 UTC)
Expired
Feb 25, 2007, 7:00 AM EST
In force
10 hr
Issued by
NWS Atlanta, GA
All 34 counties

Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin 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, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 107 km from the middle of the area, began a volume at 01:46 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 00:00Z, 1.7 hours before the alert went out and 106 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 00:00Z on 2007-02-25Temperature 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 00:00Z on 2007-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 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
2353 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
599 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 250144
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
844 PM EST SAT FEB 24 2007

GAZ001>009-011>016-019>025-027-030>036-041>045-250945-
/O.NEW.KFFC.WI.Y.0007.070225T0144Z-070225T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
844 PM EST SAT FEB 24 2007

...WIND ADVISORY IN EFFECT UNTIL 7 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST SUNDAY.

THE WIND ADVISORY IS FOR THE AREA ALONG AND NORTH OF A LINE FROM 
ATLANTA TO ATHENS WHERE SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS
UP TO 45 MPH WILL BE POSSIBLE.

STRONG SOUTHERLY FLOW AHEAD OF AN APPROACHING COLD FRONT... ALONG
WITH A TIGHTENING PRESSURE GRADIENT...WILL RESULT IN STRONG AND
GUSTY CONDITIONS ACROSS THE AREA TONIGHT. STRONG WIND GUSTS WILL BE
POSSIBLE ACROSS MUCH OF NORTH GEORGIA...ESPECIALLY IN THE HIGHER
ELEVATIONS.

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.


$$
1 follow-up statement
000 
WWUS72 KFFC 250936
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
436 AM EST SUN FEB 25 2007

GAZ001>009-011>016-019>025-027-030>036-041>045-251200-
/O.CON.KFFC.WI.Y.0007.000000T0000Z-070225T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
436 AM EST SUN FEB 25 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

THE WINDS ADVISORY FOR NORTH GEORGIA WILL BE ALLOWED TO EXPIRE. THE
WINDS WILL CONTINUE TO DIMINISH ACROSS THE AREA THROUGH THE
MORNING...BECOMING 10 TO 15 MPH WITH GUSTS UP TO ABOUT 20 MPH.

$$

Nearby

Wind Advisories in Georgia, 2007Every wind advisory in 2007

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.