Alert archive / Georgia / Wind Advisories in 2017
Wind Advisory 12, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Sep 11, 2017, 10:56 PM EDT for 65 counties in Georgia. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 11, 2017, 10:56 PM EDT (02:56 UTC)
- Expired
- Sep 12, 2017, 3:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
All 65 counties
Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts 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, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rockdale County, GA, Spalding County, GA, Talbot County, GA, Taliaferro County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, Walton County, GA, Warren County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA
The radar
The Atlanta radar (KFFC), 62 km from the middle of the area, began a volume at 03:00 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
Birmingham, AL (KBMX), launched 00:00Z, 2.9 hours before the alert went out and 250 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 833 m²/s²
- 0-3 km storm-relative helicity
- 1029 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
996 WWUS72 KFFC 120256 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 1056 PM EDT Mon Sep 11 2017 GAZ001>009-011>016-019>025-027-030>039-041>062-066>073-078-079- 089-120700- /O.NEW.KFFC.WI.Y.0012.170912T0256Z-170912T0700Z/ 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-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-Harris-Talbot- Muscogee- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, Griffin, Milledgeville, and Columbus 1056 PM EDT Mon Sep 11 2017 ...WIND ADVISORY IN EFFECT UNTIL 3 AM EDT TUESDAY... The National Weather Service in Peachtree City has issued a Wind Advisory, which is in effect until 3 AM EDT Tuesday. * Locations...North and Much of Central Georgia. * Winds...20 to 30 mph with gusts up to 40 mph. * Timing...Now through the next 4 hours. * Impacts...Additional trees and powerlines will be downed. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 8:06 PM EDT | Special Weather Statement | FFC | Lamar, Monroe | 24 min |
| Sep 11, 8:15 PM EDT | Special Weather Statement | FFC | Jones, Monroe | 30 min |
| Sep 11, 8:21 PM EDT | Special Weather Statement | FFC | Putnam | 24 min |
| Sep 11, 8:41 PM EDT | Special Weather Statement | FFC | Butts | 34 min |
| Sep 11, 9:04 PM EDT | Special Weather Statement | FFC | Hancock | 26 min |
| Sep 11, 9:05 PM EDT | Flash Flood Warning | FFC | Catoosa, Fannin, Gilmer, Murray, Whitfield | 6 hr |
| Sep 11, 9:08 PM EDT | Special Weather Statement | FFC | Wilkes | 37 min |
| Sep 11, 9:38 PM EDT | Special Weather Statement | FFC | Jasper | 37 min |
| Sep 12, 4:02 AM EDT | River Flood Warning | FFC | Carroll, Coweta, Heard | 34 hr |
| Sep 12, 4:18 AM EDT | River Flood Warning | FFC | Cobb, Douglas | 44 hr |
| Sep 12, 4:23 AM EDT | River Flood Warning | FFC | Bibb, Houston, Jones, Monroe, Twiggs | 3 days |
| Sep 12, 4:23 AM EDT | River Flood Warning | FFC | Johnson, Washington, Wilkinson | 24 hr |
| Sep 12, 8:41 AM EDT | River Flood Warning | FFC | Gwinnett | 12 hr |
Nearby
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.