Alert archive / Georgia / Wind Advisories in 2007

Wind Advisory 9, NWS Atlanta, GA

March 16, 200743 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Mar 16, 2007, 3:42 AM EDT for 43 counties in Georgia. It took effect at Mar 16, 2007, 2:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Mar 16, 2007, 3:42 AM EDT (07:42 UTC)
In effect from
Mar 16, 2007, 2:00 PM EDT
Expired
Mar 17, 2007, 12:00 AM EDT
In force
10 hr
Issued by
NWS Atlanta, GA
All 43 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, 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, Madison County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rockdale 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), 90 km from the middle of the area, began a volume at 07:45 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, 7.7 hours before the alert went out and 88 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 2007-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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 00:00Z on 2007-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
47 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
91 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 160742
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
342 AM EDT FRI MAR 16 2007

GAZ006>009-013>016-161545-
/O.NEW.KFFC.WI.Y.0009.070316T1800Z-070317T0200Z/
FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
342 AM EDT FRI MAR 16 2007

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
EDT THIS EVENING.

A STRONG PRESSURE GRADIENT WILL SET UP TODAY BETWEEN AN
INTENSIFYING AREA LOW PRESSURE OFF THE ATLANTIC COAST AND A STRONG
AREA OF HIGH PRESSURE SPREADING DOWN THE MISSISSIPPI VALLEY. AS A
RESULT...WINDS WILL INCREASE IN THE NORTHEAST GEORGIA MOUNTAINS
THIS AFTERNOON...ESPECIALLY AT THE HIGHEST 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.

$$
4 follow-up statements
000 
WWUS72 KFFC 161553
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1153 AM EDT FRI MAR 16 2007

GAZ006>009-013>016-170000-
/O.CON.KFFC.WI.Y.0009.070316T1800Z-070317T0200Z/
FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
1153 AM EDT FRI MAR 16 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR
   PORTIONS OF NORTHEAST GEORGIA...

A STRONG PRESSURE GRADIENT WILL SET UP TODAY BETWEEN AN
INTENSIFYING AREA LOW PRESSURE OFF THE ATLANTIC COAST AND A
STRONG AREA OF HIGH PRESSURE SPREADING DOWN THE MISSISSIPPI
VALLEY. AS A RESULT...WINDS WILL INCREASE IN THE NORTHEAST
GEORGIA MOUNTAINS THIS AFTERNOON...ESPECIALLY AT THE HIGHEST
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.

$$
000 
WWUS72 KFFC 161812
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
212 PM EDT FRI MAR 16 2007

GAZ001>005-011-012-019>025-027-030>037-041>048-052>055-057-170200-
/O.EXA.KFFC.WI.Y.0009.070316T1800Z-070317T0200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-CHATTOOGA-GORDON-FLOYD-
BARTOW-CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-
COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-
FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE...
GAINESVILLE...MARIETTA...ATLANTA...LAWRENCEVILLE...ATHENS...
CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR...CONYERS...
COVINGTON...NEWNAN...PEACHTREE CITY
212 PM EDT FRI MAR 16 2007

...WIND ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR 
MUCH OF NORTH GEORGIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR 
AREAS GENERALLY NORTH OF A LINE FROM PEACHTREE CITY TO ATHENS.

A STRONG PRESSURE GRADIENT HAS SET UP BETWEEN AN INTENSIFYING
AREA LOW PRESSURE OFF THE ATLANTIC COAST AND A STRONG AREA OF HIGH
PRESSURE SPREADING DOWN THE MISSISSIPPI VALLEY. AS A RESULT...
STRONG GUSTY WINDS HAVE DEVELOPED ACROSS THE AREA THIS AFTERNOON.
WINDS IN THE 20 TO 25 MPH RANGE WITH GUSTS UP TO 35 MPH CAN BE
EXPECTED THROUGH THE EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

GAZ006>009-013>016-170200-
/O.CON.KFFC.WI.Y.0009.000000T0000Z-070317T0200Z/
FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
212 PM EDT FRI MAR 16 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR PORTIONS 
OF NORTHEAST GEORGIA...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING. 

A STRONG PRESSURE GRADIENT HAS SET UP BETWEEN AN INTENSIFYING AREA
LOW PRESSURE OFF THE ATLANTIC COAST AND A STRONG AREA OF HIGH
PRESSURE SPREADING DOWN THE MISSISSIPPI VALLEY. AS A RESULT...
STRONG GUSTY WINDS HAVE DEVELOPED ACROSS THE AREA. WINDS IN THE
20 TO 30 MPH RANGE WITH GUSTS UP TO 40 MPH CAN BE EXPECTED THROUGH
THE EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$
000 
WWUS72 KFFC 170134
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
934 PM EDT FRI MAR 16 2007

GAZ006-008-009-015-016-170400-
/O.EXT.KFFC.WI.Y.0009.000000T0000Z-070317T0400Z/
FANNIN-UNION-TOWNS-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
934 PM EDT FRI MAR 16 2007

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR
THE MOUNTAINS OF NORTHEAST GEORGIA.

A STRONG PRESSURE GRADIENT HAS SET UP BETWEEN AN INTENSIFYING
AREA OF LOW PRESSURE OFF THE MID-ATLANTIC COAST AND A STRONG AREA OF
HIGH PRESSURE SPREADING DOWN THE MISSISSIPPI VALLEY. AS A
RESULT... STRONG GUSTY WINDS CONTINUE ACROSS THE AREA THIS EVENING.
WINDS IN THE 20 TO 30 MPH RANGE WITH GUSTS UP TO 40 MPH CAN BE
EXPECTED TO CONTINUE UNTIL MIDNIGHT. AFTER MIDNIGHT...WINDS WILL
DIMINISH TO 10 TO 20 MPH WITH GUSTS UP TO 25 MPH STILL POSSIBLE
FOR SEVERAL HOURS INTO THE EARLY MORNING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. THIS IS ESPECIALLY TRUE ON NORTHWEST FACING
SLOPES OF MOUNTAINS AND IN CROSS WIND MOUNTAIN PASS AREAS. USE
EXTRA CAUTION TONIGHT.

$$

GAZ001>005-007-011>014-019>025-027-030>037-041>048-052>055-057-
170245-
/O.CON.KFFC.WI.Y.0009.000000T0000Z-070317T0200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-GILMER-CHATTOOGA-GORDON-
PICKENS-DAWSON-FLOYD-BARTOW-CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-
MADISON-POLK-PAULDING-COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE-
OCONEE-HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-
WALTON-NEWTON-HEARD-COWETA-FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE...
GAINESVILLE...MARIETTA...ATLANTA...LAWRENCEVILLE...ATHENS...
CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR...CONYERS...
COVINGTON...NEWNAN...PEACHTREE CITY
934 PM EDT FRI MAR 16 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR
ALL OF NORTH GEORGIA...EXCEPT THE NORTHEAST MOUNTAINS...WHERE A
WIND ADVISORY IS IN EFFECT UNTIL MIDNIGHT.

A STRONG PRESSURE GRADIENT HAS SET UP BETWEEN AN INTENSIFYING
AREA LOW PRESSURE OFF THE ATLANTIC COAST AND A STRONG AREA OF
HIGH PRESSURE SPREADING DOWN THE MISSISSIPPI VALLEY. AS A
RESULT... STRONG GUSTY WINDS WILL CONTINUE THROUGH MUCH OF THE
EVENING...BUT SHOULD DIMINISH TO 10 TO 20 MPH WITH GUSTS TO 25 MPH
OR LESS AFTER 10 PM EDT.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

19
000 
WWUS72 KFFC 170358
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1158 PM EDT FRI MAR 16 2007

GAZ006-008-009-015-016-170500-
/O.EXP.KFFC.WI.Y.0009.000000T0000Z-070317T0400Z/
FANNIN-UNION-TOWNS-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
1158 PM EDT FRI MAR 16 2007

...WIND ADVISORY WILL EXPIRE AT MIDNIGHT EDT TONIGHT...

THE WIND ADVISORY WILL EXPIRE AT MIDNIGHT EDT TONIGHT.

WHILE WINDS HAVE DECREASED THROUGH THE EVENING HOURS IN THE
NORTHEAST GEORGIA MOUNTAINS...SOME GUSTINESS MAY STILL BE
EXPERIENCED. CONTINUE TO EXERCISE CAUTION ESPECIALLY IF DRIVING
HIGH PROFILE VEHICLES.

$$

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.