Alert archive / Georgia / Wind Advisories in 2018

Wind Advisory 8, NWS Atlanta, GA

October 28, 20189 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Oct 28, 2018, 3:14 AM EDT for 9 counties in Georgia. It took effect at Oct 28, 2018, 4:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2018, 3:14 AM EDT (07:14 UTC)
In effect from
Oct 28, 2018, 4:00 PM EDT
Expired
Oct 29, 2018, 12:00 AM EDT
In force
8 hr
Issued by
NWS Atlanta, GA

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

The radar

The Atlanta radar (KFFC), 152 km from the middle of the area, began a volume at 07:13 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, 7.2 hours before the alert went out and 150 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 2018-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 00:00Z on 2018-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1011 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

627 
WWUS72 KFFC 280714
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
314 AM EDT Sun Oct 28 2018

GAZ005>009-013>016-281515-
/O.NEW.KFFC.WI.Y.0008.181028T2000Z-181029T0400Z/
Murray-Fannin-Gilmer-Union-Towns-Pickens-Dawson-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
314 AM EDT Sun Oct 28 2018

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO MIDNIGHT
EDT TONIGHT...

The National Weather Service in Peachtree City has issued a Wind
Advisory, which is in effect from 4 PM this afternoon to midnight
EDT tonight.

* Winds...20 to 25 mph with wind gusts above 35 mph

* Timing...4 pm to midnight tonight.

* Impacts...Gusty winds will blow around unsecured objects. Trees
  and tree limbs could be blown down and a few power outages may
  result.

* Locations...Higher elevations above 2500 feet.

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.

&&

$$
1 follow-up statement
373 
WWUS72 KFFC 281635
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
1235 PM EDT Sun Oct 28 2018


GAZ005>009-013>016-290400-
/O.CON.KFFC.WI.Y.0008.181028T2000Z-181029T0400Z/
Murray-Fannin-Gilmer-Union-Towns-Pickens-Dawson-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
1235 PM EDT Sun Oct 28 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
MIDNIGHT EDT TONIGHT...

* Winds...20 to 25 mph with wind gusts above 35 mph

* Timing...4 pm to midnight tonight.

* Impacts...Gusty winds will blow around unsecured objects. 
  Trees and tree limbs could be blown down and a few power 
  outages may result.

* Locations...Higher elevations above 2500 feet.

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.

&&

$$

Nearby

Wind Advisories in Georgia, 2018Every wind advisory in 2018

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.