Alert archive / Georgia / Wind Advisories in 2020

Wind Advisory 7, NWS Atlanta, GA

September 16, 202081 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Sep 16, 2020, 2:49 PM EDT for 81 counties in Georgia. It took effect at Sep 16, 2020, 6:00 PM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2020, 2:49 PM EDT (18:49 UTC)
In effect from
Sep 16, 2020, 6:00 PM EDT
Expired
Sep 17, 2020, 10:10 AM EDT
In force
16 hr
Issued by
NWS Atlanta, GA
All 81 counties

Baldwin County, GA, Banks County, GA, Barrow County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Carroll County, GA, Chattahoochee County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dawson County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Douglas County, GA, Emanuel County, GA, Fayette County, GA, Forsyth County, GA, Fulton County, GA, Glascock County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lumpkin County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, White County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 67 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 70 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 2020-09-16Temperature 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 2020-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
824 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

282 
WWUS72 KFFC 161849
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
249 PM EDT Wed Sep 16 2020

GAZ014>016-021>025-027-031>039-041>062-066>076-078>086-089>098-
102>113-170300-
/O.NEW.KFFC.WI.Y.0007.200916T2200Z-200917T1500Z/
Dawson-Lumpkin-White-Cherokee-Forsyth-Hall-Banks-Jackson-Madison-
Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke-Oconee-
Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton-DeKalb-
Rockdale-Walton-Newton-Morgan-Greene-Taliaferro-Heard-Coweta-
Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock-Warren-
Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin-Washington-
Glascock-Jefferson-Harris-Talbot-Taylor-Crawford-Bibb-Twiggs-
Wilkinson-Johnson-Emanuel-Muscogee-Chattahoochee-Marion-Schley-
Macon-Peach-Houston-Bleckley-Laurens-Treutlen-Stewart-Webster-
Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-Telfair-Wheeler-
Montgomery-Toombs-
Including the cities of Dahlonega, Cleveland, Gainesville, 
Marietta, Atlanta, Lawrenceville, Athens, Carrollton, 
Douglasville, East Point, Decatur, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Columbus, Warner Robins, Dublin, Lumpkin, Americus, Cordele, 
and Vidalia
249 PM EDT Wed Sep 16 2020

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 11 AM EDT
THURSDAY...

* WHAT...East winds 15 to 25 mph with gusts up to 40 mph 
  expected.

* WHERE...Portions of central, east central, north central, 
  northeast, northwest, southeast and west central Georgia.

* WHEN...From 6 PM this evening to 11 AM EDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects.
  Downed trees and powerlines due to high winds and saturated
  soils. Power outages possible.  


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
2 follow-up statements
133 
WWUS72 KFFC 170021
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
821 PM EDT Wed Sep 16 2020

GAZ014>016-021>025-027-031>039-041>062-066>076-078>086-089>098-
102>113-171000-
/O.CON.KFFC.WI.Y.0007.000000T0000Z-200917T1500Z/
Dawson-Lumpkin-White-Cherokee-Forsyth-Hall-Banks-Jackson-Madison-
Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke-Oconee-
Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton-DeKalb-
Rockdale-Walton-Newton-Morgan-Greene-Taliaferro-Heard-Coweta-
Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock-Warren-
Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin-Washington-
Glascock-Jefferson-Harris-Talbot-Taylor-Crawford-Bibb-Twiggs-
Wilkinson-Johnson-Emanuel-Muscogee-Chattahoochee-Marion-Schley-
Macon-Peach-Houston-Bleckley-Laurens-Treutlen-Stewart-Webster-
Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-Telfair-Wheeler-
Montgomery-Toombs-
Including the cities of Dahlonega, Cleveland, Gainesville, 
Marietta, Atlanta, Lawrenceville, Athens, Carrollton, 
Douglasville, East Point, Decatur, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Columbus, Warner Robins, Dublin, Lumpkin, Americus, Cordele, 
and Vidalia
821 PM EDT Wed Sep 16 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THURSDAY...

* WHAT...East winds 15 to 25 mph with gusts up to 40 mph 
  expected.

* WHERE...Portions of central, east central, north central, 
  northeast, northwest, southeast and west central Georgia.

* WHEN...Until 11 AM EDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Downed trees and powerlines due to high winds and saturated 
  soils. Power outages possible.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
985 
WWUS72 KFFC 171410
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
1010 AM EDT Thu Sep 17 2020


GAZ014>016-021>025-027-031>039-041>062-066>076-078>086-089>098-
102>113-171515-
/O.CAN.KFFC.WI.Y.0007.000000T0000Z-200917T1500Z/
Dawson-Lumpkin-White-Cherokee-Forsyth-Hall-Banks-Jackson-Madison-
Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke-Oconee-
Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton-DeKalb-
Rockdale-Walton-Newton-Morgan-Greene-Taliaferro-Heard-Coweta-
Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock-Warren-
Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin-Washington-
Glascock-Jefferson-Harris-Talbot-Taylor-Crawford-Bibb-Twiggs-
Wilkinson-Johnson-Emanuel-Muscogee-Chattahoochee-Marion-Schley-
Macon-Peach-Houston-Bleckley-Laurens-Treutlen-Stewart-Webster-
Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-Telfair-Wheeler-
Montgomery-Toombs-
Including the cities of Dahlonega, Cleveland, Gainesville, 
Marietta, Atlanta, Lawrenceville, Athens, Carrollton, 
Douglasville, East Point, Decatur, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Columbus, Warner Robins, Dublin, Lumpkin, Americus, Cordele, 
and Vidalia
1010 AM EDT Thu Sep 17 2020

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Peachtree City has cancelled the
Wind Advisory. 

Earlier gusty winds associated with Tropical Depression Sally have
subsided. While intermittent gusts of 25 to 30 mph remain 
possible over the next couple of hours, winds will continue to 
diminish through the afternoon.

$$

Nearby

Wind Advisories in Georgia, 2020Every wind advisory in 2020

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.