Alert archive / Georgia / Freeze Warnings in 2021

Freeze Warning 7, NWS Jacksonville, FL

November 23, 202110 counties in Georgia

NWS Jacksonville, FL issued this freeze warning at Nov 23, 2021, 1:08 AM EST for 10 counties in Georgia. It took effect at Nov 24, 2021, 1:00 AM EST. It was in force for 7 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
Nov 23, 2021, 1:08 AM EST (06:08 UTC)
In effect from
Nov 24, 2021, 1:00 AM EST
Expired
Nov 24, 2021, 8:00 AM EST
In force
7 hr
Issued by
NWS Jacksonville, FL

Counties Appling County, GA, Atkinson County, GA, Bacon County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Jeff Davis County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA

The radar

The Moody AFB radar (KVAX), 69 km from the middle of the area, began a volume at 06:09 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

Jacksonville, FL (KJAX), launched 00:00Z, 6.1 hours before the alert went out and 123 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, Jacksonville, FL at 00:00Z on 2021-11-23Temperature 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, Jacksonville, FL at 00:00Z on 2021-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939587897Sfc1 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
1080 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

566 
WWUS72 KJAX 230608
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
108 AM EST Tue Nov 23 2021

GAZ132>136-149-151-250-241300-
/O.UPG.KJAX.FZ.A.0004.211124T0600Z-211124T1300Z/
/O.NEW.KJAX.FZ.W.0007.211124T0600Z-211124T1300Z/
Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson-Pierce-
Northern Ware-
Including the cities of Douglas, Hazlehurst, Alma, New Lacy, 
Baxley, Pine Grove, Plant Hatch, Doctortown, Gardi, Jesup, Axson,
Pearson, Willacoochee, Blackshear, Needham, and Waycross
108 AM EST Tue Nov 23 2021

...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...Coffee, Jeff Davis, Bacon, Appling, Wayne, Atkinson, 
  Pierce and Northern Ware Counties.

* WHEN...From 1 AM to 8 AM EST Wednesday.

* IMPACTS...Widespread frost and freeze conditions could kill 
  crops and other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Appropriate action should be taken to ensure tender vegetation
and outdoor pets have adequate protection from the cold
temperatures. Young children, the elderly and the homeless are
especially vulnerable to the cold. Take measures to protect them.

&&

$$
3 follow-up statements
421 
WWUS72 KJAX 231934
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
234 PM EST Tue Nov 23 2021

GAZ162-163-241015-
/O.EXA.KJAX.FZ.W.0007.211124T0600Z-211124T1300Z/
Echols-Clinch-
Including the cities of Needmore, Statenville, and Homerville
234 PM EST Tue Nov 23 2021

...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 32 expected.

* WHERE...Echols and Clinch Counties.

* WHEN...From 1 AM to 8 AM EST Wednesday.

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Appropriate action should be taken to ensure tender vegetation
and outdoor pets have adequate protection from the cold
temperatures. Young children, the elderly and the homeless are
especially vulnerable to the cold. Take measures to protect them.

&&

$$

GAZ132>136-149-151-250-241015-
/O.CON.KJAX.FZ.W.0007.211124T0600Z-211124T1300Z/
Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson-Pierce-
Northern Ware-
Including the cities of Douglas, Hazlehurst, Alma, New Lacy, 
Baxley, Pine Grove, Plant Hatch, Doctortown, Gardi, Jesup, Axson,
Pearson, Willacoochee, Blackshear, Needham, and Waycross
234 PM EST Tue Nov 23 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM EST
WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Pierce, Coffee, Jeff Davis, Bacon, Wayne, Northern 
  Ware, Appling and Atkinson Counties.

* WHEN...From 1 AM to 8 AM EST Wednesday.

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Appropriate action should be taken to ensure tender vegetation
and outdoor pets have adequate protection from the cold
temperatures. Young children, the elderly and the homeless are
especially vulnerable to the cold. Take measures to protect them.

&&

$$

FLZ020-021-023-024-030-035-122-222-GAZ152-153-165-264-350-364-
241015-
/O.NEW.KJAX.FR.Y.0010.211124T0600Z-211124T1300Z/
Hamilton-Suwannee-Baker-Inland Nassau-Union-Gilchrist-
Northern Columbia-Southern Columbia-Brantley-Inland Glynn-
Inland Camden-Northeastern Charlton-Southern Ware-
Western Charlton-
Including the cities of Jasper, Jennings, West Lake, Belmont, 
White Springs, Houston, Live Oak, McAlpin, Newburn, 
Suwannee Springs, Macclenny, Olustee, Ratliff, Hilliard, 
Kings Ferry, Bryceville, Lake Butler, Trenton, Winfield, 
Suwannee Valley, Columbia, Lake City, Oleno State Park, Lulu, 
Watertown, Atkinson, Hickox, Hortense, Nahunta, Raybon, 
Waynesville, Hoboken, Thalmann, Colesburg, Tarboro, Waverly, 
Woodbine, Winokur, Folkston, St. George, Homeland, Race Pond, 
and Stephen Foster State Park
234 PM EST Tue Nov 23 2021

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Portions of southeast Georgia and northeast and 
  northern Florida.

* WHEN...From 1 AM to 8 AM EST Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
391 
WWUS72 KJAX 240620
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
120 AM EST Wed Nov 24 2021

GAZ132>136-149-151-162-163-250-241300-
/O.CON.KJAX.FZ.W.0007.000000T0000Z-211124T1300Z/
Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson-Pierce-Echols-
Clinch-Northern Ware-
Including the cities of Douglas, Hazlehurst, Alma, New Lacy, 
Baxley, Pine Grove, Plant Hatch, Doctortown, Gardi, Jesup, Axson,
Pearson, Willacoochee, Blackshear, Needmore, Statenville, 
Homerville, Needham, and Waycross
120 AM EST Wed Nov 24 2021

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

* WHAT...Sub-freezing temperatures 28 to 30 expected.

* WHERE...Pierce, Coffee, Jeff Davis, Bacon, Wayne, Northern 
  Ware, Appling and Atkinson Counties.

* WHEN...From 1 AM to 8 AM EST Wednesday.

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Appropriate action should be taken to ensure tender vegetation
and outdoor pets have adequate protection from the cold
temperatures. Young children, the elderly and the homeless are
especially vulnerable to the cold. Take measures to protect them.

&&

$$

FLZ020-021-023-024-030-035-122-222-GAZ152-153-165-264-350-364-
241300-
/O.CON.KJAX.FR.Y.0010.000000T0000Z-211124T1300Z/
Hamilton-Suwannee-Baker-Inland Nassau-Union-Gilchrist-
Northern Columbia-Southern Columbia-Brantley-Inland Glynn-
Inland Camden-Northeastern Charlton-Southern Ware-
Western Charlton-
Including the cities of Jasper, Jennings, West Lake, Belmont, 
White Springs, Houston, Live Oak, McAlpin, Newburn, 
Suwannee Springs, Macclenny, Olustee, Ratliff, Hilliard, 
Kings Ferry, Bryceville, Lake Butler, Trenton, Winfield, 
Suwannee Valley, Columbia, Lake City, Oleno State Park, Lulu, 
Watertown, Atkinson, Hickox, Hortense, Nahunta, Raybon, 
Waynesville, Hoboken, Thalmann, Colesburg, Tarboro, Waverly, 
Woodbine, Winokur, Folkston, St. George, Homeland, Race Pond, 
and Stephen Foster State Park
120 AM EST Wed Nov 24 2021

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

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Portions of southeast Georgia and northeast and 
  northern Florida.

* WHEN...From 1 AM to 8 AM EST Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
242 
WWUS72 KJAX 241302
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
802 AM EST Wed Nov 24 2021

GAZ132>136-149-151-162-163-250-241415-
/O.EXP.KJAX.FZ.W.0007.000000T0000Z-211124T1300Z/
Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson-Pierce-Echols-
Clinch-Northern Ware-
Including the cities of Douglas, Hazlehurst, Alma, New Lacy, 
Baxley, Pine Grove, Plant Hatch, Doctortown, Gardi, Jesup, Axson,
Pearson, Willacoochee, Blackshear, Needmore, Statenville, 
Homerville, Needham, and Waycross
802 AM EST Wed Nov 24 2021

...FREEZE WARNING HAS EXPIRED...


$$

FLZ020-021-023-024-030-035-122-222-GAZ152-153-165-264-350-364-
241415-
/O.EXP.KJAX.FR.Y.0010.000000T0000Z-211124T1300Z/
Hamilton-Suwannee-Baker-Inland Nassau-Union-Gilchrist-
Northern Columbia-Southern Columbia-Brantley-Inland Glynn-
Inland Camden-Northeastern Charlton-Southern Ware-
Western Charlton-
Including the cities of Jasper, Jennings, West Lake, Belmont, 
White Springs, Houston, Live Oak, McAlpin, Newburn, 
Suwannee Springs, Macclenny, Olustee, Ratliff, Hilliard, 
Kings Ferry, Bryceville, Lake Butler, Trenton, Winfield, 
Suwannee Valley, Columbia, Lake City, Oleno State Park, Lulu, 
Watertown, Atkinson, Hickox, Hortense, Nahunta, Raybon, 
Waynesville, Hoboken, Thalmann, Colesburg, Tarboro, Waverly, 
Woodbine, Winokur, Folkston, St. George, Homeland, Race Pond, 
and Stephen Foster State Park
802 AM EST Wed Nov 24 2021

...FROST ADVISORY HAS EXPIRED...


$$

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 23, 2:34 PM ESTFrost AdvisoryJAXBrantley, Camden, Charlton, Glynn, Ware17 hr

Nearby

Freeze Warnings in Georgia, 2021Every freeze warning 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.