Alert archive / Georgia / Wind Advisories in 2017

Wind Advisory 10, NWS Atlanta, GA

May 6, 20174 counties in Georgia

NWS Atlanta, GA issued this wind advisory at May 6, 2017, 3:11 AM EDT for 4 counties in Georgia. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
May 6, 2017, 3:11 AM EDT (07:11 UTC)
Expired
May 6, 2017, 2:00 PM EDT
In force
11 hr
Issued by
NWS Atlanta, GA

Counties Lumpkin County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Greer radar (KGSP), 151 km from the middle of the area, began a volume at 07:17 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 163 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 2017-05-06Temperature 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 2017-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939Sfc1 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
780 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

142 
WWUS72 KFFC 060711
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
311 AM EDT Sat May 6 2017


GAZ008-009-015-016-061515-
/O.NEW.KFFC.WI.Y.0010.170506T0711Z-170506T1800Z/
Union-Towns-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
311 AM EDT Sat May 6 2017

...WIND ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

The National Weather Service in Peachtree City has issued a Wind
Advisory, which is in effect until 2 PM EDT this afternoon.

* Locations...Elevations above 2000 feet across far northeastern 
  Georgia.

* Winds...Northwest winds 15 MPH to 25 MPH with frequent gusts up
  to 40 MPH.

* Timing...Through 2 PM this afternoon.

* Impacts...Strong winds will bring down large tree limbs and 
  some weaker trees, especially with the saturated soils. 
  Unsecured outdoor items may be blown around.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 20 mph or higher
and wind gusts of 35 MPH or greater are expected. Winds this
strong can bring down large limbs and even whole weak or dead
trees as well as make driving difficult, especially for high-
profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
958 
WWUS72 KFFC 061454
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
1054 AM EDT Sat May 6 2017


GAZ008-009-015-016-061800-
/O.CON.KFFC.WI.Y.0010.000000T0000Z-170506T1800Z/
Union-Towns-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
1054 AM EDT Sat May 6 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

* Locations...Elevations above 2000 feet across far northeastern 
  Georgia.

* Winds...Northwest winds 15 MPH to 25 MPH with frequent gusts 
  up to 40 MPH.

* Timing...Through 2 PM this afternoon.

* Impacts...Strong winds will bring down large tree limbs and 
  some weaker trees, especially with the saturated soils. 
  Unsecured outdoor items may be blown around.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 20 mph or higher
and wind gusts of 35 MPH or greater are expected. Winds this
strong can bring down large limbs and even whole weak or dead
trees as well as make driving difficult, especially for high-
profile vehicles. Use extra caution.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 5:17 PM EDTSpecial Weather StatementFFCCatoosa, Walker, Whitfield28 min

Nearby

Wind Advisories in Georgia, 2017Every wind advisory in 2017

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.