Alert archive / Georgia / Wind Advisories in 2016

Wind Advisory 18, NWS Atlanta, GA

December 14, 201613 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Dec 14, 2016, 2:51 PM EST for 13 counties in Georgia. It took effect at Dec 15, 2016, 3:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Dec 14, 2016, 2:51 PM EST (19:51 UTC)
In effect from
Dec 15, 2016, 3:00 AM EST
Expired
Dec 15, 2016, 5:00 PM EST
In force
14 hr
Issued by
NWS Atlanta, GA

Counties Catoosa 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, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 146 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 151 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 2016-12-14Temperature 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 2016-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -101 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-101 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

583 
WWUS72 KFFC 141951
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
251 PM EST WED DEC 14 2016


GAZ001>009-013>016-150900-
/O.NEW.KFFC.WI.Y.0018.161215T0800Z-161215T2200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
251 PM EST WED DEC 14 2016

...WIND ADVISORY IN EFFECT FROM 3 AM TO 5 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 5 PM EST THURSDAY.

* LOCATIONS...NORTH GEORGIA COUNTIES WITH ELEVATIONS GREATER THAN
  2000 FT.

* WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS TO 30 TO 40 MPH.

* TIMING...3 AM THURSDAY MORNING UNTIL 5 PM THURSDAY EVENING.

* IMPACTS...MINOR DAMAGE TO TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
1 follow-up statement
154 
WWUS72 KFFC 150751
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
251 AM EST THU DEC 15 2016


GAZ001>009-013>016-152200-
/O.CON.KFFC.WI.Y.0018.161215T0800Z-161215T2200Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
251 AM EST THU DEC 15 2016

...A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT THROUGH 5 PM EST THURSDAY.

* LOCATIONS...NORTH GEORGIA COUNTIES WITH ELEVATIONS GREATER 
  THAN 2000 FT.

* WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS TO 30 TO 40 MPH.

* TIMING...3 AM THURSDAY MORNING UNTIL 5 PM THURSDAY EVENING.

* IMPACTS...MINOR DAMAGE TO TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN 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
Dec 13, 8:25 PM ESTDense Fog AdvisoryFFCBaldwin, Barrow, Butts, Carroll, Clarke, Clayton and 37 more10 hr

Nearby

Wind Advisories in Georgia, 2016Every wind advisory in 2016

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.