Alert archive / Georgia / Wind Advisories in 2015

Wind Advisory 9, NWS Atlanta, GA

November 1, 2015Chattooga County, Dade County, Walker County, Georgia

NWS Atlanta, GA issued this wind advisory at Nov 1, 2015, 12:11 AM EDT for Chattooga County, Dade County, Walker County, Georgia. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Nov 1, 2015, 12:11 AM EDT (04:11 UTC)
Expired
Nov 1, 2015, 7:00 AM EST
In force
8 hr
Issued by
NWS Atlanta, GA

Counties Chattooga County, GA, Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 04:13 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, 4.2 hours before the alert went out and 168 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 2015-11-01Temperature 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 2015-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 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
812 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
356 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.

316 
WWUS72 KFFC 010411
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1211 AM EDT SUN NOV 1 2015


GAZ001-002-011-011200-
/O.NEW.KFFC.WI.Y.0009.151101T0411Z-151101T1200Z/
DADE-WALKER-CHATTOOGA-
1211 AM EDT SUN NOV 1 2015

...WIND ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST THIS MORNING.

* LOCATIONS...MAINLY ABOVE 1500 FEET ACROSS DADE...WALKER AND
  CHATOOGA COUNTIES.

* WINDS...SOUTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 45 MPH. 

* TIMING...THROUGH 7AM SUNDAY MORNING.

* IMPACTS...WINDS THIS STRONG WILL DOWN TREES AND POWERLINES
  MAINLY ACROSS THE HIGHER ELEVATIONS. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 5:15 AM ESTRiver Flood WarningFFCForsyth24 hr
Nov 1, 6:47 AM ESTRiver Flood WarningFFCForsyth, Fulton3 days
Nov 1, 2:44 PM ESTFlood WatchFFCBanks, Barrow, Bartow, Bibb, Butts, Carroll and 62 more27 hr

Nearby

Wind Advisories in Georgia, 2015Every wind advisory in 2015

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.