Alert archive / Georgia / Wind Advisories in 2011

Wind Advisory 16, NWS Atlanta, GA

April 15, 201124 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Apr 15, 2011, 4:12 AM EDT for 24 counties in Georgia. It took effect at Apr 15, 2011, 1:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2011, 4:12 AM EDT (08:12 UTC)
In effect from
Apr 15, 2011, 1:00 PM EDT
Expired
Apr 15, 2011, 8:00 PM EDT
In force
7 hr
Issued by
NWS Atlanta, GA
All 24 counties

Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, Douglas County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Lumpkin County, GA, Murray County, GA, Paulding 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), 119 km from the middle of the area, began a volume at 08:11 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 00:00Z, 8.2 hours before the alert went out and 119 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 00:00Z on 2011-04-15Temperature 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 00:00Z on 2011-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
2728 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
156 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.

124 
WWUS72 KFFC 150812
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
412 AM EDT FRI APR 15 2011

...WINDY CONDITIONS EXPECTED THIS AFTERNOON AND EARLY EVENING FOR
MOST OF NORTH GEORGIA...

GAZ001>009-011>016-019>021-030>032-041>043-160000-
/O.NEW.KFFC.WI.Y.0016.110415T1700Z-110416T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-POLK-PAULDING-COBB-HARALSON-CARROLL-DOUGLAS-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...MARIETTA...CARROLLTON...DOUGLASVILLE
412 AM EDT FRI APR 15 2011

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING FOR MOST OF NORTH GEORGIA. 

* TIMING: WIND SPEEDS WILL INCREASE THROUGH THE LATE MORNING AND
  EARLY AFTERNOON HOURS. WINDS ARE EXPECTED TO DIMINISH AFTER
  SUNSET.

* WINDS: SOUTHERLY WINDS AROUND 20 MPH WITH GUSTS OF 25 TO 35 MPH. 

* IMPACTS: STRONG WINDS MAY KNOCK DOWN TREE LIMBS AND DISPLACE 
  SMALL OBJECTS. SECURE LOOSE OUTDOOR ITEMS. DRIVING MAY BECOME 
  DIFFICULT ESPECIALLY IN HIGH PROFILE VEHICLES. USE CAUTION 
  WHILE DRIVING. 

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.

&&

$$
2 follow-up statements
783 
WWUS72 KFFC 152015
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
415 PM EDT FRI APR 15 2011

...WINDY CONDITIONS EXPECTED FOR THE REMAINDER OF THIS AFTERNOON
AND EARLY EVENING FOR MOST OF NORTH GEORGIA...

GAZ001>009-011>016-019>021-030>032-041>043-160000-
/O.CON.KFFC.WI.Y.0016.000000T0000Z-110416T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-POLK-PAULDING-COBB-HARALSON-CARROLL-DOUGLAS-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...MARIETTA...CARROLLTON...DOUGLASVILLE
415 PM EDT FRI APR 15 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* TIMING: WIND SPEEDS HAVE INCREASED DURING THE AFTERNOON HOURS.
  WINDS ARE EXPECTED TO DIMINISH AFTER SUNSET.

* WINDS: SOUTHERLY WINDS AROUND 15 TO 20 MPH WITH GUSTS OF 25 TO
  35 MPH.

* IMPACTS: STRONG WINDS MAY KNOCK DOWN TREE LIMBS AND DISPLACE 
  SMALL OBJECTS. SECURE LOOSE OUTDOOR ITEMS. DRIVING MAY BECOME 
  DIFFICULT ESPECIALLY IN HIGH PROFILE VEHICLES. USE CAUTION 
  WHILE DRIVING. 

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.

&&

$$
822 
WWUS72 KFFC 160004
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
804 PM EDT FRI APR 15 2011


GAZ001>009-011>016-019>021-030>032-041>043-160115-
/O.EXP.KFFC.WI.Y.0016.000000T0000Z-110416T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-POLK-PAULDING-COBB-HARALSON-CARROLL-DOUGLAS-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...MARIETTA...CARROLLTON...DOUGLASVILLE
804 PM EDT FRI APR 15 2011

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 



$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 4:54 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Gordon, Murray, Pickens51 min
Apr 15, 5:14 PM EDTTornado WarningFFCGilmer, Gordon, Pickens46 min
Apr 15, 5:52 PM EDTSevere Thunderstorm WarningFFCDawson, Fannin, Gilmer, Pickens23 min
Apr 15, 6:14 PM EDTSevere Thunderstorm WarningFFCDawson, Fannin, Lumpkin, Union46 min
Apr 15, 6:20 PM EDTSevere Thunderstorm WarningFFCGordon, Murray, Whitfield25 min
Apr 15, 6:29 PM EDTSevere Thunderstorm WarningFFCCarroll46 min
Apr 15, 6:35 PM EDTSevere Thunderstorm WarningFFCTowns40 min
Apr 15, 6:38 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon52 min
Apr 15, 6:41 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray49 min
Apr 15, 6:44 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Fulton, Paulding, Polk46 min
Apr 15, 6:52 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas, Paulding23 min
Apr 15, 7:07 PM EDTSevere Thunderstorm WarningFFCHarris, Troup38 min
Apr 15, 7:11 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas, Fulton34 min
Apr 15, 7:22 PM EDTTornado WarningFFCHarris, Muscogee38 min
Apr 15, 7:43 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb, Fulton47 min
Apr 15, 7:51 PM EDTTornado WarningFFCHarris, Meriwether, Talbot39 min

Nearby

Wind Advisories in Georgia, 2011Every wind advisory in 2011

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.