Alert archive / Georgia / Freeze Warnings in 2017

Freeze Warning 4, NWS Atlanta, GA

March 16, 201762 counties in Georgia

NWS Atlanta, GA issued this freeze warning at Mar 16, 2017, 2:49 PM EDT for 62 counties in Georgia. It took effect at Mar 17, 2017, 3:00 AM EDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 16, 2017, 2:49 PM EDT (18:49 UTC)
In effect from
Mar 17, 2017, 3:00 AM EDT
Expired
Mar 17, 2017, 9:00 AM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
All 62 counties

Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Carroll County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, DeKalb County, GA, Douglas County, GA, Emanuel County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Glascock County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rockdale County, GA, Spalding County, GA, Taliaferro County, GA, Treutlen County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Atlanta radar (KFFC), 68 km from the middle of the area, began a volume at 18:49 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, 6.8 hours before the alert went out and 62 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2017-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2017-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1920 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

699 
WWUS72 KFFC 161849
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
249 PM EDT Thu Mar 16 2017


GAZ012-019>025-027-030>039-041>062-066>076-081>086-094>098-170300-
/O.NEW.KFFC.FZ.W.0004.170317T0700Z-170317T1300Z/
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-Taliaferro-Heard-Coweta-
Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock-Warren-
Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin-Washington-
Glascock-Jefferson-Crawford-Bibb-Twiggs-Wilkinson-Johnson-Emanuel-
Peach-Houston-Bleckley-Laurens-Treutlen-
Including the cities of Calhoun, Rome, Cartersville, Gainesville,
Marietta, Atlanta, Lawrenceville, Athens, Carrollton, 
Douglasville, East Point, Decatur, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Warner Robins, and Dublin
249 PM EDT Thu Mar 16 2017

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY...

The National Weather Service in Peachtree City has issued a
Freeze Warning, which is in effect from 3 AM to 9 AM EDT Friday.

* Locations...Portions of north and central Georgia.

* Temperatures...Lows between 30 and 32 degrees across most of the
warned area...with isolated areas around 29 degrees across east
central Georgia.

* Winds...Winds less than 10 mph.

* Impacts...The freezing temperatures will threaten any sensitive
  plants or agricultural crops that have budded early due to the
  unusually warm winter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$
2 follow-up statements
006 
WWUS72 KFFC 170027
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
827 PM EDT Thu Mar 16 2017


GAZ012-019>025-027-030>039-041>062-066>076-081>086-094>098-170830-
/O.CON.KFFC.FZ.W.0004.170317T0700Z-170317T1300Z/
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-Taliaferro-Heard-Coweta-
Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock-Warren-
Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin-Washington-
Glascock-Jefferson-Crawford-Bibb-Twiggs-Wilkinson-Johnson-Emanuel-
Peach-Houston-Bleckley-Laurens-Treutlen-
Including the cities of Calhoun, Rome, Cartersville, Gainesville,
Marietta, Atlanta, Lawrenceville, Athens, Carrollton, 
Douglasville, East Point, Decatur, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Warner Robins, and Dublin
827 PM EDT Thu Mar 16 2017

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT
FRIDAY...

* Locations...Portions of north and central Georgia.

* Temperatures...Lows between 30 and 32 degrees across most of 
  the warned area...with isolated areas around 29 degrees across 
  east central Georgia.

* Winds...Winds less than 10 mph.

* Impacts...The freezing temperatures will threaten any 
  sensitive plants or agricultural crops that have budded early 
  due to the unusually warm winter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$
649 
WWUS72 KFFC 170736
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
336 AM EDT Fri Mar 17 2017


GAZ012-019>025-027-030>039-041>062-066>076-081>086-094>098-171300-
/O.CON.KFFC.FZ.W.0004.000000T0000Z-170317T1300Z/
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-Taliaferro-Heard-Coweta-
Fayette-Clayton-Spalding-Henry-Butts-Jasper-Putnam-Hancock-Warren-
Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones-Baldwin-Washington-
Glascock-Jefferson-Crawford-Bibb-Twiggs-Wilkinson-Johnson-Emanuel-
Peach-Houston-Bleckley-Laurens-Treutlen-
Including the cities of Calhoun, Rome, Cartersville, Gainesville,
Marietta, Atlanta, Lawrenceville, Athens, Carrollton, 
Douglasville, East Point, Decatur, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Warner Robins, and Dublin
336 AM EDT Fri Mar 17 2017

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* Locations...Portions of north and central Georgia.

* Temperatures...Lows between 30 and 32 degrees across most of 
  the warned area...with isolated areas around 29 degrees across 
  east central Georgia.

* Winds...Winds less than 10 mph.

* Impacts...The freezing temperatures will threaten any 
  sensitive plants or agricultural crops that have budded early 
  due to the unusually warm winter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

Nearby

Freeze Warnings in Georgia, 2017Every freeze warning in 2017

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.