Alert archive / Georgia / Wind Advisories in 2008

Wind Advisory 2, NWS Atlanta, GA

January 8, 200815 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Jan 8, 2008, 3:36 PM EST for 15 counties in Georgia. It took effect at Jan 9, 2008, 1:00 AM EST. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jan 8, 2008, 3:36 PM EST (20:36 UTC)
In effect from
Jan 9, 2008, 1:00 AM EST
Expired
Jan 9, 2008, 4:03 AM EST
In force
3 hr
Issued by
NWS Atlanta, GA

Counties Catoosa County, GA, Chattooga County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 139 km from the middle of the area, began a volume at 20:36 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, 8.6 hours before the alert went out and 148 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 2008-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2008-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.193958Sfc1 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
4 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
159 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 082036
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
336 PM EST TUE JAN 8 2008

GAZ001>009-011>016-090445-
/O.NEW.KFFC.WI.Y.0002.080109T0600Z-080109T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND
336 PM EST TUE JAN 8 2008

...WIND ADVISORY IN EFFECT FROM 1 AM TO 7 AM EST WEDNESDAY FOR 
NORTH GEORGIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM EST WEDNESDAY. THE
ADVISORY AREA IS GENERALLY ALONG AND NORTH OF A LINE FROM
SUMMERVILLE TO DAWSONVILLE TO CLEVELAND.

A COLD FRONT WILL APPROACH NORTH GEORGIA OVERNIGHT. WINDS AHEAD
OF THIS FRONT...PARTICULARLY AT HIGHER ELEVATIONS...COULD GUST AS
HIGH AS 40 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.

$$
2 follow-up statements
000 
WWUS72 KFFC 090229
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
929 PM EST TUE JAN 8 2008

GAZ001>009-011>016-091030-
/O.CON.KFFC.WI.Y.0002.080109T0600Z-080109T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND
929 PM EST TUE JAN 8 2008

...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM EST WEDNESDAY. THE
ADVISORY AREA IS GENERALLY ALONG AND NORTH OF A LINE FROM
SUMMERVILLE TO DAWSONVILLE TO CLEVELAND.

A COLD FRONT WILL APPROACH NORTH GEORGIA OVERNIGHT. WINDS AHEAD
OF THIS FRONT...PARTICULARLY AT HIGHER ELEVATIONS...COULD GUST AS
HIGH AS 45 MPH. AT 9 PM...WINDS WERE INCREASING ACROSS THE
ADVISORY AREA. GUSTS TO 30 MPH WERE ALREADY OCCURRING IN SEVERAL
LOCATIONS...INCLUDING BLUE RIDGE AND BLAIRSVILLE.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. A FEW TREES OR LARGE
TREE LIMBS MAY FALL. SCATTERED POWER OUTAGES ARE POSSIBLE. WINDS
THIS STRONG CAN ALSO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$
000 
WWUS72 KFFC 090903
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
403 AM EST WED JAN 9 2008

GAZ001>009-011>016-091015-
/O.CAN.KFFC.WI.Y.0002.000000T0000Z-080109T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND
403 AM EST WED JAN 9 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE
WIND ADVISORY THAT WAS IN EFFECT GENERALLY ALONG AND NORTH OF A
LINE FROM SUMMERVILLE TO DAWSONVILLE TO CLEVELAND.

THE STRONGEST WINDS ASSOCIATED WITH A COLD FRONT MOVING THROUGH
THE AREA HAVE SHIFTED FURTHER NORTH TO THE NORTH CAROLINA AND
TENNESSEE MOUNTAINS. IT IS STILL POSSIBLE THAT WINDS MAY BRIEFLY
GUST TO 25 OR 30 MPH ACROSS PORTIONS OF NORTH GEORGIA...BUT WINDS
SPEEDS ARE NOT EXPECTED TO MEET ADVISORY THRESHOLDS.

$$

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.