Alert archive / Georgia / Wind Advisories in 2017
Wind Advisory 17, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Dec 12, 2017, 3:05 AM EST for 43 counties in Georgia. It took effect at Dec 12, 2017, 7:00 AM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2017, 3:05 AM EST (08:05 UTC)
- In effect from
- Dec 12, 2017, 7:00 AM EST
- Expired
- Dec 12, 2017, 10:00 PM EST
- In force
- 15 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 08:07 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, 8.1 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2171 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
464 WWUS72 KFFC 120805 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 305 AM EST Tue Dec 12 2017 GAZ006>009-014>016-121615- /O.NEW.KFFC.WI.Y.0017.171212T1200Z-171213T0300Z/ Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 305 AM EST Tue Dec 12 2017 ...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 10 PM EST THIS EVENING... The National Weather Service in Peachtree City has issued a Wind Advisory, which is in effect from 7 AM this morning to 10 PM EST this evening. * Locations...The northeast Georgia mountains for elevations above 1500 feet. * Winds...Sustained Northwest winds of 15 to 25 mph with gust to 35 mph * Timing...Beginning this morning around daybreak and continuing through tonight. * Impacts...Gusty winds will blow around unsecured objects. Trees and tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 20 mph...or gusts to 35 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
3 follow-up statements
091 WWUS72 KFFC 121554 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 1054 AM EST Tue Dec 12 2017 GAZ001>005-011>013-130000- /O.EXA.KFFC.WI.Y.0017.000000T0000Z-171213T0300Z/ Dade-Walker-Catoosa-Whitfield-Murray-Chattooga-Gordon-Pickens- Including the city of Calhoun 1054 AM EST Tue Dec 12 2017 ...WIND ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... The National Weather Service in Peachtree City has issued a Wind Advisory, which is in effect until 10 PM EST this evening. * Locations...Mainly the higher elevations in north Georgia above 1500 feet. * Winds...Sustained Northwest winds of 15 to 25 mph with gusts to 35 mph * Timing...Through 10 PM. * Impacts...Gusty winds will blow around unsecured objects. Trees and tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 20 mph...or gusts to 35 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ GAZ006>009-014>016-130000- /O.CON.KFFC.WI.Y.0017.000000T0000Z-171213T0300Z/ Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 1054 AM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * Locations...Mainly the higher elevations in north Georgia above 1500 feet. * Winds...Sustained Northwest winds of 15 to 25 mph with gust to 35 mph * Timing...Through 10 PM. * Impacts...Gusty winds will blow around unsecured objects. Trees and tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 20 mph...or gusts to 35 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
684 WWUS72 KFFC 121633 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 1133 AM EST Tue Dec 12 2017 GAZ019>025-027-030>037-041>048-052>055-057-130045- /O.EXA.KFFC.WI.Y.0017.000000T0000Z-171213T0300Z/ Floyd-Bartow-Cherokee-Forsyth-Hall-Banks-Jackson-Madison-Polk- Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke-Oconee-Haralson- Carroll-Douglas-South Fulton-DeKalb-Rockdale-Walton-Newton-Heard- Coweta-Fayette-Clayton-Henry- Including the cities of Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, and Peachtree City 1133 AM EST Tue Dec 12 2017 ...WIND ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... The National Weather Service in Peachtree City has issued a Wind Advisory, which is in effect until 10 PM EST this evening. * Locations...Mainly along and north of a line from Franklin to Peachtree City to Comer. * Winds...Sustained Northwest winds of 15 to 25 mph with gusts to 35 mph * Timing...Through 10 PM. * Impacts...Gusty winds will blow around unsecured objects. Trees and tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 20 mph...or gusts to 35 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ GAZ001>009-011>016-130045- /O.CON.KFFC.WI.Y.0017.000000T0000Z-171213T0300Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White- Including the cities of Calhoun, Dahlonega, and Cleveland 1133 AM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * Locations...Mainly along and north of a line from Franklin to Peachtree City to Comer. * Winds...Sustained Northwest winds of 15 to 25 mph with gusts to 35 mph * Timing...Through 10 PM. * Impacts...Gusty winds will blow around unsecured objects. Trees and tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 20 mph...or gusts to 35 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
625 WWUS72 KFFC 121939 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 239 PM EST Tue Dec 12 2017 GAZ001>009-011>016-019>025-027-030>037-041>048-052>055-057-130300- /O.CON.KFFC.WI.Y.0017.000000T0000Z-171213T0300Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow- Cherokee-Forsyth-Hall-Banks-Jackson-Madison-Polk-Paulding-Cobb- North Fulton-Gwinnett-Barrow-Clarke-Oconee-Haralson-Carroll- Douglas-South Fulton-DeKalb-Rockdale-Walton-Newton-Heard-Coweta- Fayette-Clayton-Henry- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, and Peachtree City 239 PM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * Locations...Mainly along and north of a line from Franklin to Peachtree City to Comer. * Winds...Sustained Northwest winds of 15 to 25 mph with gusts to 35 mph * Timing...Through 10 PM. * Impacts...Gusty winds will blow around unsecured objects. Trees and tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 20 mph...or gusts to 35 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
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.