Alert archive / Georgia / Frost Advisories in 2015

Frost Advisory 2, NWS Atlanta, GA

October 17, 201521 counties in Georgia

NWS Atlanta, GA issued this frost advisory at Oct 17, 2015, 3:01 PM EDT for 21 counties in Georgia. It took effect at Oct 18, 2015, 12:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 17, 2015, 3:01 PM EDT (19:01 UTC)
In effect from
Oct 18, 2015, 12:00 AM EDT
Expired
Oct 18, 2015, 9:00 AM EDT
In force
9 hr
Issued by
NWS Atlanta, GA
All 21 counties

Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Gilmer County, GA, Gordon County, GA, Hall County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 133 km from the middle of the area, began a volume at 18:58 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, 7.0 hours before the alert went out and 133 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 2015-10-17Temperature 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 2015-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 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
2417 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
65 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.

345 
WWUS72 KFFC 171901
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
301 PM EDT SAT OCT 17 2015


GAZ001>009-011>016-019>023-030-180315-
/O.NEW.KFFC.FR.Y.0002.151018T0400Z-151018T1300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE
301 PM EDT SAT OCT 17 2015

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SUNDAY.

* LOCATIONS...MAINLY ALONG AND NORTH OF A LINE FROM CEDARTOWN TO
  WOODSTOCK TO FLOWERY BRANCH. 

* TEMPERATURES...LOWER TO MIDDLE 30S. 

* TIMING...AFTER MIDNIGHT THROUGH 9AM SUNDAY MORNING. 

* IMPACTS...SENSITIVE VEGETATION OR UNCOVERED PLANTS MAY BE
  KILLED OR DAMAGED IF NOT ADEQUATELY PROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
215 
WWUS72 KFFC 180038
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
838 PM EDT SAT OCT 17 2015



GAZ001>009-011>016-019>023-030-181300-
/O.CON.KFFC.FR.Y.0002.151018T0400Z-151018T1300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE
838 PM EDT SAT OCT 17 2015

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT SUNDAY...

* LOCATIONS...MAINLY ALONG AND NORTH OF A LINE FROM CEDARTOWN TO 
  WOODSTOCK TO FLOWERY BRANCH.

* TEMPERATURES...LOWER TO MIDDLE 30S.

* TIMING...AFTER MIDNIGHT THROUGH 9AM SUNDAY MORNING.

* IMPACTS...SENSITIVE VEGETATION OR UNCOVERED PLANTS MAY BE 
  KILLED OR DAMAGED IF NOT ADEQUATELY PROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
646 
WWUS72 KFFC 180737
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
337 AM EDT SUN OCT 18 2015

GAZ001>009-011>016-019>023-030-181300-
/O.CON.KFFC.FR.Y.0002.000000T0000Z-151018T1300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE
337 AM EDT SUN OCT 18 2015

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...MAINLY ALONG AND NORTH OF A LINE FROM CEDARTOWN TO 
  WOODSTOCK TO FLOWERY BRANCH.

* TEMPERATURES...LOWER TO MIDDLE 30S.

* TIMING...THROUGH 9AM SUNDAY MORNING.

* IMPACTS...SENSITIVE VEGETATION OR UNCOVERED PLANTS MAY BE 
  KILLED OR DAMAGED IF NOT ADEQUATELY PROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
054 
WWUS72 KFFC 181304
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
904 AM EDT SUN OCT 18 2015



GAZ001>009-011>016-019>023-030-181415-
/O.EXP.KFFC.FR.Y.0002.000000T0000Z-151018T1300Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-POLK-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE
904 AM EDT SUN OCT 18 2015

...FROST ADVISORY HAS EXPIRED...

TEMPERATURES WILL CONTINUE TO RISE ABOVE CRITICAL THRESHOLDS. 

$$

Nearby

Frost Advisories in Georgia, 2015Every frost advisory in 2015

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.