Alert archive / Georgia / Wind Advisories in 2019

Wind Advisory 4, NWS Atlanta, GA

February 19, 201916 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Feb 19, 2019, 11:54 PM EST for 16 counties in Georgia. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2019, 11:54 PM EST (04:54 UTC)
Expired
Feb 20, 2019, 10:00 AM EST
In force
10 hr
Issued by
NWS Atlanta, GA

Counties Catoosa County, GA, Chattooga County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon 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), 136 km from the middle of the area, began a volume at 04:56 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, 4.9 hours before the alert went out and 145 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 2019-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Peachtre/Fal Fld, GA at 00:00Z on 2019-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 834 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
475 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
834 m²/s²
0-3 km storm-relative helicity
1402 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

191 
WWUS72 KFFC 200454
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
1154 PM EST Tue Feb 19 2019

GAZ001>009-011>016-019-201200-
/O.NEW.KFFC.WI.Y.0004.190220T0454Z-190220T1200Z/
Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns-
Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-
Including the cities of Calhoun, Dahlonega, Cleveland, and Rome
1154 PM EST Tue Feb 19 2019

...WIND ADVISORY IN EFFECT UNTIL 7 AM EST WEDNESDAY...

The National Weather Service in Peachtree City has issued a Wind
Advisory, which is in effect until 7 AM EST Wednesday.

* WINDS...Southeast 15 to 25 mph with gusts 35 to 40 mph.

* TIMING...Through 7 AM Wednesday morning.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs, and even whole trees weakened by the recent rains, 
  could be blown down and a few power outages may result.

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
315 
WWUS72 KFFC 201141
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
641 AM EST Wed Feb 20 2019


GAZ019-201245-
/O.CAN.KFFC.WI.Y.0004.000000T0000Z-190220T1200Z/
Floyd-
Including the city of Rome
641 AM EST Wed Feb 20 2019

...WIND ADVISORY IS CANCELLED...

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

Wind speeds have diminished across Floyd county and therefore the
Wind Advisory has been cancelled.


$$

GAZ001>009-011>016-201500-
/O.EXT.KFFC.WI.Y.0004.000000T0000Z-190220T1500Z/
Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns-
Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-
Including the cities of Calhoun, Dahlonega, and Cleveland
641 AM EST Wed Feb 20 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WINDS...Southeast 15 to 25 mph with gusts of 30 to 40 mph,
  mainly in the higher elevations and on ridge lines. 

* TIMING...Through 10 AM Wednesday morning.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs, and even whole trees weakened by the recent rains, 
  could be blown down and a few power outages may result.

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
Feb 19, 8:17 PM ESTRiver Flood WarningFFCFloyd11 days
Feb 19, 8:20 PM ESTRiver Flood WarningFFCFloyd14 days
Feb 19, 8:46 PM ESTSpecial Weather StatementFFCCatoosa, Dade, Walker29 min
Feb 19, 8:59 PM ESTRiver Flood WarningFFCGordon9 days
Feb 20, 12:06 AM ESTRiver Flood WarningFFCForsyth, Fulton6 hr
Feb 20, 12:18 AM ESTRiver Flood WarningFFCCherokee18 hr
Feb 20, 4:36 AM ESTRiver Flood WarningFFCGwinnett7 hr
Feb 20, 6:13 AM ESTRiver Flood WarningFFCForsyth, Fulton3 days
Feb 20, 9:36 AM ESTRiver Flood WarningFFCFloyd7 days
Feb 20, 9:36 AM ESTRiver Flood WarningFFCFloyd21 days
Feb 20, 11:37 AM ESTRiver Flood WarningFFCCatoosa6 days
Feb 20, 12:04 PM ESTFlash Flood WatchFFCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 30 more31 hr
Feb 20, 3:34 PM ESTSpecial Weather StatementFFCFloyd, Gordon26 min
Feb 20, 4:37 PM ESTSpecial Weather StatementFFCFannin, Gilmer, Union23 min
Feb 20, 4:58 PM ESTRiver Flood WarningFFCFloyd, Gordon8 days
Feb 20, 5:03 PM ESTSpecial Weather StatementFFCDawson, Lumpkin, Towns, Union, White27 min
Feb 20, 5:35 PM ESTSpecial Weather StatementFFCClayton, DeKalb, Fulton25 min
Feb 20, 5:56 PM ESTSpecial Weather StatementFFCBartow, Floyd49 min
Feb 20, 6:02 PM ESTSpecial Weather StatementFFCBarrow, DeKalb, Gwinnett, Rockdale28 min
Feb 20, 6:16 PM ESTSpecial Weather StatementFFCDouglas, Heard29 min
Feb 20, 6:39 PM ESTSpecial Weather StatementFFCClayton, Coweta, DeKalb, Douglas, Fayette51 min
Feb 20, 6:49 PM ESTSpecial Weather StatementFFCCarroll, Douglas, Haralson, Paulding41 min

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.