Alert archive / Georgia / Frost Advisories in 2021
Frost Advisory 10, NWS Atlanta, GA
NWS Atlanta, GA issued this frost advisory at Nov 19, 2021, 8:23 PM EST for 28 counties in Georgia. It took effect at Nov 20, 2021, 1:00 AM EST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 19, 2021, 8:23 PM EST (01:23 UTC)
- In effect from
- Nov 20, 2021, 1:00 AM EST
- Expired
- Nov 20, 2021, 8:00 AM EST
- In force
- 7 hr
- Issued by
- NWS Atlanta, GA
All 28 counties
Baldwin County, GA, Butts County, GA, Carroll County, GA, Clayton County, GA, Coweta County, GA, Fayette County, GA, Greene County, GA, Hancock County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oglethorpe County, GA, Pike County, GA, Putnam County, GA, Spalding County, GA, Talbot County, GA, Taliaferro County, GA, Troup County, GA, Upson County, GA, Warren County, GA, Wilkes County, GA
The radar
The Atlanta radar (KFFC), 57 km from the middle of the area, began a volume at 01:23 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, 1.4 hours before the alert went out and 51 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
- 2749 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
439 WWUS72 KFFC 200123 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 823 PM EST Fri Nov 19 2021 GAZ038-039-042-048>062-066>073-078-079-200930- /O.NEW.KFFC.FR.Y.0010.211120T0600Z-211120T1300Z/ Oglethorpe-Wilkes-Carroll-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- Including the cities of Carrollton, Covington, Newnan, Peachtree City, Griffin, and Milledgeville 823 PM EST Fri Nov 19 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EST SATURDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of north-central Georgia. * WHEN...From 1 AM to 8 AM EST Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
776 WWUS72 KFFC 200236 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 936 PM EST Fri Nov 19 2021 GAZ038-039-042-048>062-066>073-078-079-201300- /O.CON.KFFC.FR.Y.0010.211120T0600Z-211120T1300Z/ Oglethorpe-Wilkes-Carroll-Newton-Morgan-Greene-Taliaferro-Heard- Coweta-Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock- Warren-Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin- Harris-Talbot- Including the cities of Carrollton, Covington, Newnan, Peachtree City, Griffin, and Milledgeville 936 PM EST Fri Nov 19 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EST SATURDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of north-central Georgia. * WHEN...From 1 AM to 8 AM EST Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
941 WWUS72 KFFC 201245 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 745 AM EST Sat Nov 20 2021 GAZ038-039-042-048>062-066>073-078-079-201345- /O.EXP.KFFC.FR.Y.0010.000000T0000Z-211120T1300Z/ Oglethorpe-Wilkes-Carroll-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- Including the cities of Carrollton, Covington, Newnan, Peachtree City, Griffin, and Milledgeville 745 AM EST Sat Nov 20 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM EST THIS MORNING... Temperatures will continue to rise into the lower 40s. $$
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.