Alert archive / Georgia / Freeze Warnings in 2007

Freeze Warning 5, NWS Atlanta, GA

April 9, 20076 counties in Georgia

NWS Atlanta, GA issued this freeze warning at Apr 9, 2007, 2:35 PM EDT for 6 counties in Georgia. It took effect at Apr 10, 2007, 2:00 AM EDT. 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
Apr 9, 2007, 2:35 PM EDT (18:35 UTC)
In effect from
Apr 10, 2007, 2:00 AM EDT
Expired
Apr 10, 2007, 9:00 AM EDT
In force
7 hr
Issued by
NWS Atlanta, GA

Counties Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Atlanta radar (KFFC), 162 km from the middle of the area, began a volume at 18:33 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, 6.6 hours before the alert went out and 160 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 2007-04-09Temperature 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 2007-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939587897117136Sfc1 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
1757 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
199 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.

000 
WWUS72 KFFC 091835
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
235 PM EDT MON APR 9 2007

GAZ006>009-015-016-100245-
/O.UPG.KFFC.FZ.A.0005.070410T0600Z-070410T1300Z/
/O.NEW.KFFC.FZ.W.0005.070410T0600Z-070410T1300Z/
FANNIN-GILMER-UNION-TOWNS-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
235 PM EDT MON APR 9 2007

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY.
THE WARNING INCLUDES THE COUNTIES OF FANNIN...GILMER...UNION...TOWNS
...LUMPKIN AND WHITE. THE FREEZE WATCH IS NO LONGER IN EFFECT.

OVERNIGHT LOWS OVER THE WARNED AREA ARE EXPECTED TO BE IN THE 30
TO 35 DEGREE RANGE. THIS WILL GIVE POTENTIAL FOR SEVERAL HOURS OF
FREEZING TEMPERATURES FOR AT LEAST SOME LOCATIONS IN THE WARNED AREA. 

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE FORECAST TO
THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE
WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. HOMEOWNERS
SHOULD KEEP ANY PLOTTED PLANTS INDOORS. COLD SENSITIVE PLANTS THAT
CANNOT BE BROUGHT INDOORS SHOULD BE COVERED.


$$
3 follow-up statements
000 
WWUS72 KFFC 100214
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1014 PM EDT MON APR 9 2007

GAZ006>009-015-016-101015-
/O.CON.KFFC.FZ.W.0005.070410T0600Z-070410T1300Z/
FANNIN-GILMER-UNION-TOWNS-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
1014 PM EDT MON APR 9 2007

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
TUESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY
FOR THE NORTHEAST GEORGIA MOUNTAINS.

OVERNIGHT LOWS OVER THE WARNED AREA ARE EXPECTED TO BE IN THE
30 TO 35 DEGREE RANGE...WITH COOLER TEMPERATURES AT HIGHER
ELEVATIONS. THIS WILL GIVE POTENTIAL FOR SEVERAL HOURS OF
FREEZING TEMPERATURES FOR AT LEAST SOME LOCATIONS IN THE WARNED
AREA.

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE FORECAST TO
THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE
WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. HOMEOWNERS
SHOULD KEEP ANY PLOTTED PLANTS INDOORS. COLD SENSITIVE PLANTS
THAT CANNOT BE BROUGHT INDOORS SHOULD BE COVERED.

$$
000 
WWUS72 KFFC 100937
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
537 AM EDT TUE APR 10 2007

GAZ006>009-015-016-101300-
/O.CON.KFFC.FZ.W.0005.000000T0000Z-070410T1300Z/
FANNIN-GILMER-UNION-TOWNS-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
537 AM EDT TUE APR 10 2007

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

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

TEMPERATURES ACROSS THIS AREA THIS MORNING ARE MOSTLY IN THE 28 TO
32 RANGE. THE COLDEST TEMPERATURES...IN THE 20S...ARE ONLY NOTED
IN THE DEEPER VALLEYS OF THE MOUNTAINS. ALL AREAS ARE EXPECTED TO
RISE WELL ABOVE FREEZING BY 9 AM EDT. FREEZING TEMPERATURES NOT
EXPECTED IN THIS AREA AFTER THIS MORNING UNTIL POSSIBLY SUNDAY MORNING.

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE FORECAST TO
THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE
WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. HOMEOWNERS
SHOULD KEEP ANY PLOTTED PLANTS INDOORS UNTIL LATER THIS MORNING. COLD
SENSITIVE PLANTS THAT CANNOT BE BROUGHT INDOORS SHOULD BE COVERED.

$$

19
000 
WWUS72 KFFC 101247
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
847 AM EDT TUE APR 10 2007

GAZ006>009-015-016-101400-
/O.EXP.KFFC.FZ.W.0005.000000T0000Z-070410T1300Z/
FANNIN-GILMER-UNION-TOWNS-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
847 AM EDT TUE APR 10 2007

...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING...

THE FREEZE WARNING FOR NORTHEAST GEORGIA WILL EXPIRE AT 9 AM EDT
THIS MORNING.

TEMPERATURES WILL BE RISING ABOVE FREEZING BY 9 AM ACROSS
NORTHEAST GEORGIA...CLIMBING INTO THE 50S BY THIS AFTERNOON.
OVERNIGHT LOWS TONIGHT WILL REMAIN ABOVE FREEZING...FALLING INTO
THE UPPER 30S TO LOWER 40S BY SUN RISE WEDNESDAY MORNING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 4:08 AM EDTFreeze WatchFFCFannin, Gilmer, Lumpkin, Towns, Union, White10 hr

Nearby

Freeze Warnings in Georgia, 2007Every freeze warning in 2007

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.