Alert archive / Georgia / Wind Advisories in 2012

Wind Advisory 6, NWS Atlanta, GA

March 2, 201217 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Mar 2, 2012, 10:47 AM EST for 17 counties in Georgia. It took effect at Mar 2, 2012, 11:00 AM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Mar 2, 2012, 10:47 AM EST (15:47 UTC)
In effect from
Mar 2, 2012, 11:00 AM EST
Expired
Mar 3, 2012, 2:26 AM EST
In force
15 hr
Issued by
NWS Atlanta, GA

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

The radar

The Northeast Alabama radar (KHTX), 136 km from the middle of the area, began a volume at 15:48 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, 3.8 hours before the alert went out and 143 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 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
55 J/kg
Mixed-layer CIN
-255 J/kg
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
268 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.

327 
WWUS72 KFFC 021547
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1047 AM EST FRI MAR 2 2012

...A WIND ADVISORY HAS BEEN ISSUED FOR TODAY THROUGH 
SATURDAY MORNING...

GAZ001>009-011>016-019-020-030000-
/O.NEW.KFFC.WI.Y.0006.120302T1600Z-120303T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE
1047 AM EST FRI MAR 2 2012

...WIND ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST SATURDAY.

* LOCATIONS...NORTH GEORGIA...ESPECIALLY HIGHER ELEVATIONS.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...BEGINNING LATE MORNING TODAY THROUGH SATURDAY MORNING.

* IMPACTS...HIGHEST GUSTS WILL BE ALONG RIDGELINES IN THE
  MOUNTAINS. WEAK TREES AND TREE LIMBS MAY BE DOWNED BY
  WINDS...ESPECIALLY IN AREAS WITH SATURATED SOILS. ISOLATED POWER
  OUTAGES MAY OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST
20 MPH...OR GUSTS TO 35 MPH OR STRONGER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
3 follow-up statements
167 
WWUS72 KFFC 022005
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
305 PM EST FRI MAR 2 2012

...A WIND ADVISORY HAS BEEN ISSUED FOR TODAY THROUGH SATURDAY
MORNING...

GAZ001>009-011>016-019-020-030415-
/O.CON.KFFC.WI.Y.0006.000000T0000Z-120303T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE
305 PM EST FRI MAR 2 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* LOCATIONS...NORTH GEORGIA...ESPECIALLY HIGHER ELEVATIONS.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...THIS AFTERNOON THROUGH SATURDAY MORNING.

* IMPACTS...HIGHEST GUSTS WILL BE ALONG RIDGELINES IN THE 
  MOUNTAINS. WEAK TREES AND TREE LIMBS MAY BE DOWNED BY WINDS... 
  ESPECIALLY IN AREAS WITH SATURATED SOILS. ISOLATED POWER 
  OUTAGES MAY OCCUR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST
20 MPH...OR GUSTS TO 35 MPH OR STRONGER ARE EXPECTED. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$
452 
WWUS72 KFFC 030309
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1009 PM EST FRI MAR 2 2012

...A WIND ADVISORY CONTINUES THROUGH SATURDAY MORNING FOR NORTH
GEORGIA...

GAZ001>009-011>016-019-020-031200-
/O.CON.KFFC.WI.Y.0006.000000T0000Z-120303T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE
1009 PM EST FRI MAR 2 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* LOCATIONS...NORTH GEORGIA...ESPECIALLY HIGHER ELEVATIONS.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...TONIGHT THROUGH SATURDAY MORNING.

* IMPACTS...HIGHEST GUSTS WILL BE ALONG RIDGELINES IN THE 
  MOUNTAINS. WEAK TREES AND TREE LIMBS MAY BE DOWNED BY WINDS... 
  ESPECIALLY IN AREAS WITH SATURATED SOILS. ISOLATED POWER 
  OUTAGES MAY OCCUR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST
20 MPH...OR GUSTS TO 35 MPH OR STRONGER ARE EXPECTED. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

10
949 
WWUS72 KFFC 030726
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
226 AM EST SAT MAR 3 2012

GAZ001>009-011>016-019-020-030830-
/O.CAN.KFFC.WI.Y.0006.000000T0000Z-120303T1200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE
226 AM EST SAT MAR 3 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE
WIND ADVISORY. 

WINDS HAVE DIMINISHED BELOW ADVISORY CRITERIA...HOWEVER WINDS
SHOULD REMAIN AROUND 10 TO 15 MPH WITH SOME HIGHER GUSTS TODAY.

$$

10

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 10:55 AM ESTFlash Flood WatchFFCBartow, Catoosa, Chattooga, Cherokee, Dade, Fannin and 10 more19 hr
Mar 2, 12:15 PM ESTSpecial Weather StatementFFCDade30 min
Mar 2, 12:21 PM ESTSevere Thunderstorm WarningFFCDade24 min
Mar 2, 4:55 PM ESTSpecial Weather StatementFFCHeard, Troup50 min
Mar 2, 6:10 PM ESTSpecial Weather StatementFFCCatoosa50 min
Mar 2, 6:43 PM ESTSevere Thunderstorm WarningFFCCatoosa, Dade, Walker47 min

Nearby

Wind Advisories in Georgia, 2012Every wind advisory in 2012

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.