Alert archive / Georgia / Wind Advisories in 2008

Wind Advisory 30, NWS Atlanta, GA

December 24, 200812 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Dec 24, 2008, 9:46 AM EST for 12 counties in Georgia. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2008, 9:46 AM EST (14:46 UTC)
Expired
Dec 24, 2008, 10:00 PM EST
In force
12 hr
Issued by
NWS Atlanta, GA

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

The radar

The Northeast Alabama radar (KHTX), 145 km from the middle of the area, began a volume at 14:50 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, 2.8 hours before the alert went out and 154 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 2008-12-24Temperature 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 2008-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 481 square meters per square second.1939587897Sfc1 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
522 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
481 m²/s²
0-3 km storm-relative helicity
486 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 241446
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
946 AM EST WED DEC 24 2008

GAZ001>009-014>016-242300-
/O.NEW.KFFC.WI.Y.0030.081224T1446Z-081225T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
946 AM EST WED DEC 24 2008

...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...


THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

STRONG AND GUSTY WINDS ARE LIKELY IN AREAS ABOVE 1500 FEET TODAY
IN FAR NORTH GEORGIA...MAINLY NORTH OF A LA FAYETTE TO CLEVELAND
LINE. WINDS IN HIGHER ELEVATIONS MAY GUST TO NEAR 50 MPH. THE
WINDS SHOULD SUBSIDE BY EARLY EVENING.

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 242050
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
350 PM EST WED DEC 24 2008

GAZ001>009-014>016-250300-
/O.EXT.KFFC.WI.Y.0030.000000T0000Z-081225T0300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
350 PM EST WED DEC 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EST THIS EVENING.

STRONG AND GUSTY WINDS ARE LIKELY IN AREAS ABOVE 1500 FEET TODAY
IN FAR NORTH GEORGIA...MAINLY NORTH OF A LA FAYETTE TO CLEVELAND
LINE. WINDS IN HIGHER ELEVATIONS MAY GUST TO NEAR 50 MPH. THE
WINDS SHOULD SUBSIDE BY 10PM.

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 250234
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
934 PM EST WED DEC 24 2008

GAZ001>009-014>016-250345-
/O.EXP.KFFC.WI.Y.0030.000000T0000Z-081225T0300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
934 PM EST WED DEC 24 2008

...WIND ADVISORY WILL EXPIRE AT 10 PM EST THIS EVENING...

THE WIND ADVISORY FOR FAR NORTH GEORGIA WILL EXPIRE AT 10 PM EST
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.