Alert archive / Georgia / Wind Advisories in 2023
Wind Advisory 4, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Feb 17, 2023, 1:26 PM EST for 27 counties in Georgia. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2023, 1:26 PM EST (18:26 UTC)
- Expired
- Feb 18, 2023, 1:00 AM EST
- In force
- 12 hr
- Issued by
- NWS Atlanta, GA
All 27 counties
Banks County, GA, Barrow County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Dawson County, GA, DeKalb County, GA, Fannin County, GA, Fayette County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gwinnett County, GA, Hall County, GA, Henry County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Newton County, GA, Oconee County, GA, Pickens County, GA, Rockdale County, GA, Towns County, GA, Union County, GA, Walton County, GA, White County, GA
The radar
The Atlanta radar (KFFC), 100 km from the middle of the area, began a volume at 18:25 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, 6.4 hours before the alert went out and 96 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
- 582 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- -113 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
553 WWUS72 KFFC 171826 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 126 PM EST Fri Feb 17 2023 GAZ006>009-013>016-021>025-027-032>037-044>048-054-055-057-180200- /O.NEW.KFFC.WI.Y.0004.230217T1826Z-230218T0200Z/ Fannin-Gilmer-Union-Towns-Pickens-Dawson-Lumpkin-White-Cherokee- Forsyth-Hall-Banks-Jackson-Madison-Cobb-North Fulton-Gwinnett- Barrow-Clarke-Oconee-South Fulton-DeKalb-Rockdale-Walton-Newton- Fayette-Clayton-Henry- Including the cities of Dahlonega, Cleveland, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, East Point, Decatur, Conyers, Covington, and Peachtree City 126 PM EST Fri Feb 17 2023 ...WIND ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING... * WHAT...Northwest winds 20 to 25 mph with gusts up to 35 mph. * WHERE...Portions of north central and northeast Georgia. * WHEN...Until 9 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
750 WWUS72 KFFC 180051 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 751 PM EST Fri Feb 17 2023 GAZ006>009-013>016-021>025-027-032>037-044>048-054-055-057-180600- /O.EXT.KFFC.WI.Y.0004.000000T0000Z-230218T0600Z/ Fannin-Gilmer-Union-Towns-Pickens-Dawson-Lumpkin-White-Cherokee- Forsyth-Hall-Banks-Jackson-Madison-Cobb-North Fulton-Gwinnett- Barrow-Clarke-Oconee-South Fulton-DeKalb-Rockdale-Walton-Newton- Fayette-Clayton-Henry- Including the cities of Dahlonega, Cleveland, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, East Point, Decatur, Conyers, Covington, and Peachtree City 751 PM EST Fri Feb 17 2023 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM EST SATURDAY... * WHAT...Northwest winds 10 to 20 mph with gusts up to 35 mph. * WHERE...Portions of north central and northeast Georgia. * WHEN...Until 1 AM EST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
289 WWUS72 KFFC 180600 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 100 AM EST Sat Feb 18 2023 GAZ006>009-013>016-021>025-027-032>037-044>048-054-055-057-180700- /O.EXP.KFFC.WI.Y.0004.000000T0000Z-230218T0600Z/ Fannin-Gilmer-Union-Towns-Pickens-Dawson-Lumpkin-White-Cherokee- Forsyth-Hall-Banks-Jackson-Madison-Cobb-North Fulton-Gwinnett- Barrow-Clarke-Oconee-South Fulton-DeKalb-Rockdale-Walton-Newton- Fayette-Clayton-Henry- Including the cities of Dahlonega, Cleveland, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, East Point, Decatur, Conyers, Covington, and Peachtree City 100 AM EST Sat Feb 18 2023 ...WIND ADVISORY HAS EXPIRED... Wind gusts have begun to diminish to 25 mph or less, so the Wind Advisory has been allowed to expire. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 9:11 PM EST | Special Weather Statement | FFC | Dade, Walker | 49 min |
| Feb 17, 2:14 AM EST | River Flood Warning | FFC | Dade | 27 hr |
| Feb 17, 5:02 AM EST | Severe Thunderstorm Warning | FFC | Meriwether, Pike, Spalding | 16 min |
| Feb 17, 6:21 AM EST | River Flood Warning | FFC | Cobb | 3 hr |
| Feb 17, 6:28 AM EST | River Flood Warning | FFC | Forsyth, Fulton | 5 hr |
| Feb 17, 7:53 AM EST | Special Weather Statement | FFC | Bleckley, Crisp, Dooly, Pulaski | 22 min |
| Feb 17, 8:29 AM EST | River Flood Warning | FFC | Forsyth | 7 hr |
| Feb 17, 3:35 PM EST | River Flood Warning | FFC | Whitfield | 40 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.