Alert archive / Georgia / Frost Advisories in 2021
Frost Advisory 9, NWS Atlanta, GA
NWS Atlanta, GA issued this frost advisory at Nov 14, 2021, 2:36 PM EST for 42 counties in Georgia. It took effect at Nov 15, 2021, 3:00 AM EST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 14, 2021, 2:36 PM EST (19:36 UTC)
- In effect from
- Nov 15, 2021, 3:00 AM EST
- Expired
- Nov 15, 2021, 7:00 AM EST
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
All 42 counties
Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Madison County, GA, Meriwether County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rockdale County, GA, Spalding County, GA, Troup County, GA, Walton County, GA, Wilkes County, GA
The radar
The Atlanta radar (KFFC), 55 km from the middle of the area, began a volume at 19:41 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, 7.6 hours before the alert went out and 50 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
- 2132 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
861 WWUS72 KFFC 141936 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 236 PM EST Sun Nov 14 2021 GAZ001>009-013>016-150400- /O.NEW.KFFC.FZ.W.0006.211115T0800Z-211115T1200Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Pickens-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 236 PM EST Sun Nov 14 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 7 AM EST MONDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of north central, northeast and northwest Georgia. * WHEN...From 3 AM to 7 AM EST Monday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ GAZ011-012-019>025-027-030>039-041>050-052>060-066>068-070-150400- /O.NEW.KFFC.FR.Y.0009.211115T0800Z-211115T1200Z/ Chattooga-Gordon-Floyd-Bartow-Cherokee-Forsyth-Hall-Banks-Jackson- Madison-Polk-Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke- Oconee-Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton- DeKalb-Rockdale-Walton-Newton-Morgan-Greene-Heard-Coweta-Fayette- Clayton-Spalding-Henry-Butts-Jasper-Putnam-Troup-Meriwether-Pike- Lamar- Including the cities of Calhoun, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 236 PM EST Sun Nov 14 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 7 AM EST MONDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of central, east central, north central, northeast, northwest and west central Georgia. * WHEN...From 3 AM to 7 AM EST Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
432 WWUS72 KFFC 150059 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 759 PM EST Sun Nov 14 2021 GAZ001>009-013>016-151200- /O.CON.KFFC.FZ.W.0006.211115T0800Z-211115T1200Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Pickens-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 759 PM EST Sun Nov 14 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 7 AM EST MONDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of north central, northeast and northwest Georgia. * WHEN...From 3 AM to 7 AM EST Monday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ GAZ011-012-019>025-027-030>039-041>050-052>060-066>068-070-151200- /O.CON.KFFC.FR.Y.0009.211115T0800Z-211115T1200Z/ Chattooga-Gordon-Floyd-Bartow-Cherokee-Forsyth-Hall-Banks-Jackson- Madison-Polk-Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke- Oconee-Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton- DeKalb-Rockdale-Walton-Newton-Morgan-Greene-Heard-Coweta-Fayette- Clayton-Spalding-Henry-Butts-Jasper-Putnam-Troup-Meriwether-Pike- Lamar- Including the cities of Calhoun, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 759 PM EST Sun Nov 14 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 AM EST MONDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, east central, north central, northeast, northwest and west central Georgia. * WHEN...From 3 AM to 7 AM EST Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
086 WWUS72 KFFC 150920 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 420 AM EST Mon Nov 15 2021 GAZ001>009-013>016-151200- /O.CON.KFFC.FZ.W.0006.000000T0000Z-211115T1200Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Pickens-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 420 AM EST Mon Nov 15 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of north central, northeast and northwest Georgia. * WHEN...From 3 AM to 7 AM EST today. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ GAZ011-012-019>025-027-030>039-041>050-052>060-066>068-070-151200- /O.CON.KFFC.FR.Y.0009.000000T0000Z-211115T1200Z/ Chattooga-Gordon-Floyd-Bartow-Cherokee-Forsyth-Hall-Banks-Jackson- Madison-Polk-Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke- Oconee-Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton- DeKalb-Rockdale-Walton-Newton-Morgan-Greene-Heard-Coweta-Fayette- Clayton-Spalding-Henry-Butts-Jasper-Putnam-Troup-Meriwether-Pike- Lamar- Including the cities of Calhoun, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 420 AM EST Mon Nov 15 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, east central, north central, northeast, northwest and west central Georgia. * WHEN...From 3 AM to 7 AM EST today. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
591 WWUS72 KFFC 151219 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 719 AM EST Mon Nov 15 2021 GAZ001>009-013>016-151330- /O.EXP.KFFC.FZ.W.0006.000000T0000Z-211115T1200Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Pickens-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 719 AM EST Mon Nov 15 2021 ...FREEZE WARNING HAS EXPIRED... With sunrise, temperatures will quickly warm. Any remaining spots below freezing should rise above freezing, so the warning has been allowed to expire. $$ GAZ011-012-019>025-027-030>039-041>050-052>060-066>068-070-151330- /O.EXP.KFFC.FR.Y.0009.000000T0000Z-211115T1200Z/ Chattooga-Gordon-Floyd-Bartow-Cherokee-Forsyth-Hall-Banks-Jackson- Madison-Polk-Paulding-Cobb-North Fulton-Gwinnett-Barrow-Clarke- Oconee-Oglethorpe-Wilkes-Haralson-Carroll-Douglas-South Fulton- DeKalb-Rockdale-Walton-Newton-Morgan-Greene-Heard-Coweta-Fayette- Clayton-Spalding-Henry-Butts-Jasper-Putnam-Troup-Meriwether-Pike- Lamar- Including the cities of Calhoun, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 719 AM EST Mon Nov 15 2021 ...FROST ADVISORY HAS EXPIRED... Temperatures in most locations have risen above freezing and any frost should quickly melt, even in shaded locations. The advisory has been allowed to expire. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 2:36 PM EST | Freeze Warning | FFC | Catoosa, Dade, Dawson, Fannin, Gilmer, Lumpkin and 7 more | 16 hr |
Nearby
Frost Advisories in Georgia, 2021Every frost advisory in 2021
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.