Alert archive / Georgia / Wind Advisories in 2009

Wind Advisory 14, NWS Atlanta, GA

April 9, 200912 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Apr 9, 2009, 4:00 PM EDT for 12 counties in Georgia. It took effect at Apr 10, 2009, 12:00 PM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 2009, 4:00 PM EDT (20:00 UTC)
In effect from
Apr 10, 2009, 12:00 PM EDT
Expired
Apr 11, 2009, 12:00 AM EDT
In force
12 hr
Issued by
NWS Atlanta, GA

Counties Chattooga County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA

The radar

The Atlanta radar (KFFC), 148 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 147 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 2009-04-09Temperature 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 2009-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.19395878Sfc1 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
1245 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
261 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 092000
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
400 PM EDT THU APR 9 2009

GAZ001-002-005>009-011-013>016-100400-
/O.NEW.KFFC.WI.Y.0014.090410T1600Z-090411T0400Z/
DADE-WALKER-MURRAY-FANNIN-GILMER-UNION-TOWNS-CHATTOOGA-PICKENS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
400 PM EDT THU APR 9 2009

...WIND ADVISORY IN EFFECT FROM NOON FRIDAY TO MIDNIGHT EDT
FRIDAY NIGHT FOR ELEVATIONS ABOVE 1500 FEET...

ANOTHER STRONG SPRING STORM SYSTEM WILL SWEEP FROM THE MID-SOUTH
INTO THE EASTERN U.S. FRIDAY. A LOW-LEVEL JET WILL PRECEDE THIS
SYSTEM AND BRING SOUTH TO SOUTHWEST WINDS OF 20 TO 25 MPH WITH
GUSTS OF 30 TO 35 MPH TO THE HIGHER ELEVATIONS OF NORTH GEORGIA
DURING THE AFTERNOON AND EVENING FRIDAY. THESE WINDS ARE EXPECTED
AT ELEVATIONS PRIMARILY ABOVE 1500 FEET...GENERALLY NORTH OF A
SUMMERVILLE...CHATSWORTH...JASPER...DAWSONVILLE...CLEVELAND LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

19
3 follow-up statements
000 
WWUS72 KFFC 100151
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
951 PM EDT THU APR 9 2009

GAZ001-002-005>009-011-013>016-101000-
/O.CON.KFFC.WI.Y.0014.090410T1600Z-090411T0400Z/
DADE-WALKER-MURRAY-FANNIN-GILMER-UNION-TOWNS-CHATTOOGA-PICKENS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
951 PM EDT THU APR 9 2009

...WIND ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO MIDNIGHT
EDT FRIDAY NIGHT FOR ELEVATIONS ABOVE 1500 FEET...


ANOTHER STRONG SPRING STORM SYSTEM WILL SWEEP FROM THE MID-SOUTH
INTO THE EASTERN U.S. FRIDAY. A LOW-LEVEL JET WILL PRECEDE THIS
SYSTEM AND BRING SOUTH TO SOUTHWEST WINDS OF 20 TO 25 MPH WITH
GUSTS OF 30 TO 35 MPH TO THE HIGHER ELEVATIONS OF NORTH GEORGIA
DURING THE AFTERNOON AND EVENING FRIDAY. THESE WINDS ARE EXPECTED
AT ELEVATIONS PRIMARILY ABOVE 1500 FEET...GENERALLY NORTH OF A
SUMMERVILLE...CHATSWORTH...JASPER...DAWSONVILLE...CLEVELAND LINE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS72 KFFC 100816
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
416 AM EDT FRI APR 10 2009

GAZ001-002-005>009-011-013>016-101630-
/O.CON.KFFC.WI.Y.0014.090410T1600Z-090411T0400Z/
DADE-WALKER-MURRAY-FANNIN-GILMER-UNION-TOWNS-CHATTOOGA-PICKENS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
416 AM EDT FRI APR 10 2009

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
EDT TONIGHT FOR ELEVATIONS ABOVE 1500 FEET...

ANOTHER STRONG SPRING STORM SYSTEM WILL SWEEP FROM THE MID-SOUTH
INTO THE EASTERN U.S. TODAY. A LOW-LEVEL JET WILL PRECEDE THIS
SYSTEM AND BRING SOUTH TO SOUTHWEST WINDS OF 20 TO 25 MPH WITH
GUSTS OF 30 TO 35 MPH TO THE HIGHER ELEVATIONS OF NORTH GEORGIA
THIS AFTERNOON AND EVENING. THESE WINDS ARE EXPECTED AT
ELEVATIONS PRIMARILY ABOVE 1500 FEET...GENERALLY NORTH OF A
SUMMERVILLE...CHATSWORTH...JASPER...DAWSONVILLE...CLEVELAND LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS72 KFFC 101748
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
148 PM EDT FRI APR 10 2009

GAZ001-002-005>009-011-013>016-110400-
/O.CON.KFFC.WI.Y.0014.000000T0000Z-090411T0400Z/
DADE-WALKER-MURRAY-FANNIN-GILMER-UNION-TOWNS-CHATTOOGA-PICKENS-
DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
148 PM EDT FRI APR 10 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT 
FOR ELEVATIONS ABOVE 1500 FEET IN NORTH GEORGIA...

A STRONG SPRING STORM SYSTEM CONTINUES TO SWEEP INTO THE EASTERN
U.S. THIS AFTERNOON. A LOW-LEVEL JET PRECEDES THIS SYSTEM AND A
SOUTH TO SOUTHWEST WIND OF 20 MPH WITH GUSTS OF 35 MPH IS 
OCCURRING IN THE HIGHER ELEVATIONS OF NORTH GEORGIA. THE WINDY
CONDITIONS WILL CONTINUE INTO THE EVENING. THE AREA OF GREATEST
WIND IS EXPECTED PRIMARILY ABOVE 1500 FEET...GENERALLY NORTH OF A
SUMMERVILLE...CHATSWORTH...JASPER...DAWSONVILLE...CLEVELAND LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Nearby

Wind Advisories in Georgia, 2009Every wind advisory in 2009

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.