Alert archive / Georgia / Wind Advisories in 2019

Wind Advisory 8, NWS Atlanta, GA

September 4, 20196 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Sep 4, 2019, 4:57 AM EDT for 6 counties in Georgia. It took effect at Sep 4, 2019, 11:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Sep 4, 2019, 4:57 AM EDT (08:57 UTC)
In effect from
Sep 4, 2019, 11:00 AM EDT
Expired
Sep 4, 2019, 9:24 PM EDT
In force
10 hr
Issued by
NWS Atlanta, GA

Counties Emanuel County, GA, Montgomery County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 89 km from the middle of the area, began a volume at 08:58 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

Jacksonville, FL (KJAX), launched 00:00Z, 9.0 hours before the alert went out and 208 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, Jacksonville, FL at 00:00Z on 2019-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1563 joules per kilogram.LCLEL10008507005003002001001 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, Jacksonville, FL at 00:00Z on 2019-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
1563 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

383 
WWUS72 KFFC 040857
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
457 AM EDT Wed Sep 4 2019


GAZ086-098-110>113-042100-
/O.NEW.KFFC.WI.Y.0008.190904T1500Z-190905T1200Z/
Emanuel-Treutlen-Telfair-Wheeler-Montgomery-Toombs-
Including the cities of Swainsboro and Vidalia
457 AM EDT Wed Sep 4 2019

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 AM EDT
THURSDAY...

The National Weather Service in Peachtree City has issued a Wind
Advisory, which is in effect from 11 AM this morning to 8 AM EDT
Thursday.

* WINDS...North 15 to 20 mph with gusts up to 35 mph.

* LOCATION...Portions of east central Georgia, along and east of a
  line from McRae to Summertown.

* TIMING...11 AM EDT Wednesday morning through 8 AM EDT Thursday 
  morning.

* IMPACTS...Strong winds may down trees or branches. Loose objects
  may be blown around if not secured.

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
421 
WWUS72 KFFC 041854
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
254 PM EDT Wed Sep 4 2019

GAZ086-098-110>113-050400-
/O.CON.KFFC.WI.Y.0008.000000T0000Z-190905T1200Z/
Emanuel-Treutlen-Telfair-Wheeler-Montgomery-Toombs-
Including the cities of Swainsboro and Vidalia
254 PM EDT Wed Sep 4 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WINDS...North 15 to 20 mph with gusts up to 35 mph.

* LOCATION...Portions of east central Georgia, along and east of 
  a line from McRae to Summertown.

* TIMING...11 AM EDT Wednesday morning through 8 AM EDT Thursday 
  morning.

* IMPACTS...Strong winds may down trees or branches. Loose objects
  may be blown around if not secured..

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.

&&

$$
414 
WWUS72 KFFC 050124
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
924 PM EDT Wed Sep 4 2019


GAZ086-098-110>113-050230-
/O.CAN.KFFC.WI.Y.0008.000000T0000Z-190905T1200Z/
Emanuel-Treutlen-Telfair-Wheeler-Montgomery-Toombs-
Including the cities of Swainsboro and Vidalia
924 PM EDT Wed Sep 4 2019

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Peachtree City has cancelled the
Wind Advisory.

Winds may still gust to 20 mph overnight but remain short of wind
advisory criteria.

$$

Nearby

Wind Advisories in Georgia, 2019Every wind advisory in 2019

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.