Alert archive / Georgia / Freeze Warnings in 2011

Freeze Warning 2, NWS Atlanta, GA

March 11, 201155 counties in Georgia

NWS Atlanta, GA issued this freeze warning at Mar 11, 2011, 3:55 PM EST for 55 counties in Georgia. It took effect at Mar 12, 2011, 4:00 AM EST. It was in force for 4 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 11, 2011, 3:55 PM EST (20:55 UTC)
In effect from
Mar 12, 2011, 4:00 AM EST
Expired
Mar 12, 2011, 8:00 AM EST
In force
4 hr
Issued by
NWS Atlanta, GA
All 55 counties

Banks County, GA, Barrow County, GA, Bartow County, GA, Butts 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, 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, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Morgan County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rockdale County, GA, Spalding County, GA, Taliaferro County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA

The radar

The Atlanta radar (KFFC), 75 km from the middle of the area, began a volume at 20:53 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, 8.9 hours before the alert went out and 72 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 2011-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1083 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

589 
WWUS72 KFFC 112055
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
355 PM EST FRI MAR 11 2011

GAZ001>009-011>016-019>025-027-030>039-041>059-066>068-070-121300-
/O.UPG.KFFC.FZ.A.0001.110312T0800Z-110312T1300Z/
/O.NEW.KFFC.FZ.W.0002.110312T0900Z-110312T1300Z/
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-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-
NEWTON-MORGAN-GREENE-TALIAFERRO-HEARD-COWETA-FAYETTE-CLAYTON-
SPALDING-HENRY-BUTTS-JASPER-TROUP-MERIWETHER-PIKE-LAMAR-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN
355 PM EST FRI MAR 11 2011

...FREEZE WARNING IN EFFECT FROM 4 AM TO 8 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM 4 AM TO 8 AM EST
SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 

* TIMING: FREEZING CONDITIONS ARE LIKELY...BUT MAINLY IN PROTECTED
  AND SHELTERED AREAS BETWEEN MIDNIGHT AND 8 AM SATURDAY MORNING.

* TEMPERATURES: 30 TO 32 DEGREES IN THE NORMALLY COLDER LOCATIONS.

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE
  TO FROST AND FREEZE WILL LIKELY BE DAMAGED OR KILLED IF LEFT
  UNPROTECTED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE FORECAST TO
THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT
TENDER VEGETATION.

&&

$$

GAZ060>062-069-071>076-081>084-094-095-121300-
/O.UPG.KFFC.FZ.A.0001.110312T0800Z-110312T1300Z/
/O.NEW.KFFC.FR.Y.0003.110312T0800Z-110312T1300Z/
PUTNAM-HANCOCK-WARREN-UPSON-MONROE-JONES-BALDWIN-WASHINGTON-
GLASCOCK-JEFFERSON-CRAWFORD-BIBB-TWIGGS-WILKINSON-PEACH-HOUSTON-
INCLUDING THE CITIES OF...MILLEDGEVILLE...MACON...WARNER ROBINS
355 PM EST FRI MAR 11 2011

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EST SATURDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* TIMING: WIDESPREAD FROST WILL DEVELOP DURING THE OVERNIGHT HOURS
  FROM AROUND 4 AM AND PERSIST THROUGH 8 AM SATURDAY MORNING.

* TEMPERATURES: 33 TO 35 DEGREES

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE
  TO FROST WILL LIKELY BE DAMAGED OR KILLED IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

GAZ078>080-085-086-089>093-096>098-102>113-121300-
/O.NEW.KFFC.FR.Y.0003.110312T0800Z-110312T1300Z/
HARRIS-TALBOT-TAYLOR-JOHNSON-EMANUEL-MUSCOGEE-CHATTAHOOCHEE-
MARION-SCHLEY-MACON-BLECKLEY-LAURENS-TREUTLEN-STEWART-WEBSTER-
SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...SWAINSBORO...COLUMBUS...DUBLIN...
LUMPKIN...AMERICUS...CORDELE...VIDALIA
355 PM EST FRI MAR 11 2011

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EST SATURDAY. 

* TIMING: WIDESPREAD FROST WILL DEVELOP DURING THE OVERNIGHT HOURS
  FROM AROUND 4 AM AND PERSIST THROUGH 8 AM SATURDAY MORNING.

* TEMPERATURES: 33 TO 35 DEGREES

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE
  TO FROST WILL LIKELY BE DAMAGED OR KILLED IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
2 follow-up statements
838 
WWUS72 KFFC 120153 AAA
NPWFFC

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
853 PM EST FRI MAR 11 2011

GAZ001>009-011>016-019>025-027-030>039-041>059-066>068-070-121000-
/O.CON.KFFC.FZ.W.0002.110312T0900Z-110312T1300Z/
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-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-
NEWTON-MORGAN-GREENE-TALIAFERRO-HEARD-COWETA-FAYETTE-CLAYTON-
SPALDING-HENRY-BUTTS-JASPER-TROUP-MERIWETHER-PIKE-LAMAR-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN
853 PM EST FRI MAR 11 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EST
SATURDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EST
SATURDAY. 

* TIMING: FREEZING CONDITIONS ARE LIKELY...BUT MAINLY IN 
  PROTECTED AND SHELTERED AREAS BETWEEN MIDNIGHT AND 8 AM 
  SATURDAY MORNING. 

* TEMPERATURES: 30 TO 32 DEGREES IN THE NORMALLY COLDER 
  LOCATIONS.

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE 
  TO FROST AND FREEZE WILL LIKELY BE DAMAGED OR KILLED IF LEFT 
  UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE FORECAST TO
THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE
WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION.

&&

$$

GAZ060>062-069-071>076-078>086-089>098-102>113-121000-
/O.CON.KFFC.FR.Y.0003.110312T0800Z-110312T1300Z/
PUTNAM-HANCOCK-WARREN-UPSON-MONROE-JONES-BALDWIN-WASHINGTON-
GLASCOCK-JEFFERSON-HARRIS-TALBOT-TAYLOR-CRAWFORD-BIBB-TWIGGS-
WILKINSON-JOHNSON-EMANUEL-MUSCOGEE-CHATTAHOOCHEE-MARION-SCHLEY-
MACON-PEACH-HOUSTON-BLECKLEY-LAURENS-TREUTLEN-STEWART-WEBSTER-
SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...MILLEDGEVILLE...MACON...SWAINSBORO...
COLUMBUS...WARNER ROBINS...DUBLIN...LUMPKIN...AMERICUS...
CORDELE...VIDALIA
853 PM EST FRI MAR 11 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EST
SATURDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EST
SATURDAY. 

* TIMING: WIDESPREAD FROST WILL DEVELOP DURING THE OVERNIGHT 
  HOURS FROM AROUND 4 AM AND PERSIST THROUGH 8 AM SATURDAY 
  MORNING. 

* TEMPERATURES: 33 TO 35 DEGREES

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE 
  TO FROST WILL LIKELY BE DAMAGED OR KILLED IF LEFT UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
859 
WWUS72 KFFC 120904
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
404 AM EST SAT MAR 12 2011

GAZ001>009-011>016-019>025-027-030>039-041>059-066>068-070-121300-
/O.CON.KFFC.FZ.W.0002.000000T0000Z-110312T1300Z/
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-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-
NEWTON-MORGAN-GREENE-TALIAFERRO-HEARD-COWETA-FAYETTE-CLAYTON-
SPALDING-HENRY-BUTTS-JASPER-TROUP-MERIWETHER-PIKE-LAMAR-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN
404 AM EST SAT MAR 12 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING. 

* TIMING: FREEZING CONDITIONS ARE LIKELY...BUT MAINLY IN 
  PROTECTED AND SHELTERED AREAS BETWEEN MIDNIGHT AND 8 AM 
  SATURDAY MORNING. 

* TEMPERATURES: 30 TO 32 DEGREES IN THE NORMALLY COLDER 
  LOCATIONS. 

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE 
  TO FROST AND FREEZE WILL LIKELY BE DAMAGED OR KILLED IF LEFT 
  UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE FORECAST TO
THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE
WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION.

&&

$$

GAZ060>062-069-071>076-078>086-089>098-102>113-121300-
/O.CON.KFFC.FR.Y.0003.000000T0000Z-110312T1300Z/
PUTNAM-HANCOCK-WARREN-UPSON-MONROE-JONES-BALDWIN-WASHINGTON-
GLASCOCK-JEFFERSON-HARRIS-TALBOT-TAYLOR-CRAWFORD-BIBB-TWIGGS-
WILKINSON-JOHNSON-EMANUEL-MUSCOGEE-CHATTAHOOCHEE-MARION-SCHLEY-
MACON-PEACH-HOUSTON-BLECKLEY-LAURENS-TREUTLEN-STEWART-WEBSTER-
SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...MILLEDGEVILLE...MACON...SWAINSBORO...
COLUMBUS...WARNER ROBINS...DUBLIN...LUMPKIN...AMERICUS...
CORDELE...VIDALIA
404 AM EST SAT MAR 12 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING. 

* TIMING: WIDESPREAD FROST WILL DEVELOP DURING THE OVERNIGHT 
  HOURS FROM AROUND 4 AM AND PERSIST THROUGH 8 AM SATURDAY 
  MORNING. 

* TEMPERATURES: 33 TO 35 DEGREES

* IMPACTS: RECENTLY BUDDED PLANTS AND TREES THAT ARE SUSCEPTIBLE 
  TO FROST WILL LIKELY BE DAMAGED OR KILLED IF LEFT UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 11, 3:35 AM ESTFreeze WatchFFCBaldwin, Banks, Barrow, Bartow, Bibb, Butts and 65 more12 hr
Mar 11, 3:55 PM ESTFrost AdvisoryFFCBaldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 35 more16 hr

Nearby

Freeze Warnings in Georgia, 2011Every freeze warning in 2011

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.