Alert archive / Georgia / Wind Advisories in 2018

Wind Advisory 1, NWS Atlanta, GA

March 1, 201864 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Mar 1, 2018, 3:43 AM EST for 64 counties in Georgia. It took effect at Mar 1, 2018, 10:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2018, 3:43 AM EST (08:43 UTC)
In effect from
Mar 1, 2018, 10:00 AM EST
Expired
Mar 1, 2018, 6:00 PM EST
In force
8 hr
Issued by
NWS Atlanta, GA
All 64 counties

Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Chattahoochee County, GA, Clarke County, GA, Clayton County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Fayette County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 39 km from the middle of the area, began a volume at 08:46 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, 8.7 hours before the alert went out and 93 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 2018-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 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
7 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
280 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

124 
WWUS72 KFFC 010843
NPWFFC

URGENT - WEATHER MESSAGE
National Weather Service Peachtree City GA
343 AM EST Thu Mar 1 2018

GAZ027-036>039-046>062-066>076-078>086-089>098-102>113-012300-
/O.NEW.KFFC.WI.Y.0001.180301T1500Z-180301T2300Z/
Madison-Clarke-Oconee-Oglethorpe-Wilkes-Rockdale-Walton-Newton-
Morgan-Greene-Taliaferro-Heard-Coweta-Fayette-Clayton-Spalding-
Henry-Butts-Jasper-Putnam-Hancock-Warren-Troup-Meriwether-Pike-
Upson-Lamar-Monroe-Jones-Baldwin-Washington-Glascock-Jefferson-
Harris-Talbot-Taylor-Crawford-Bibb-Twiggs-Wilkinson-Johnson-
Emanuel-Muscogee-Chattahoochee-Marion-Schley-Macon-Peach-Houston-
Bleckley-Laurens-Treutlen-Stewart-Webster-Sumter-Dooly-Crisp-
Pulaski-Wilcox-Dodge-Telfair-Wheeler-Montgomery-Toombs-
Including the cities of Athens, Conyers, Covington, Newnan, 
Peachtree City, Griffin, Milledgeville, Macon, Swainsboro, 
Columbus, Warner Robins, Dublin, Lumpkin, Americus, Cordele, 
and Vidalia
343 AM EST Thu Mar 1 2018

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST
THIS EVENING...

The National Weather Service in Peachtree City has issued a Wind
Advisory, which is in effect from 10 AM this morning to 6 PM EST
this evening.

* Locations...Portions of the southern metro and central Georgia.

* Winds...Sustained winds up to 20 mph with gusts to 35 mph.

* Timing...Mid morning through afternoon.

* Impacts...Gusty winds will blow around unsecured objects. 
  Trees and tree limbs 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 28, 8:51 PM ESTSpecial Weather StatementFFCWalker39 min
Feb 28, 9:26 PM ESTSpecial Weather StatementFFCChattooga49 min
Feb 28, 10:36 PM ESTRiver Flood WarningFFCWalker24 hr
Feb 28, 10:51 PM ESTSpecial Weather StatementFFCChattooga, Walker39 min
Feb 28, 11:23 PM ESTRiver Flood WarningFFCMurray, Whitfield55 hr
Feb 28, 11:30 PM ESTSpecial Weather StatementFFCChattooga30 min
Feb 28, 11:31 PM ESTRiver Flood WarningFFCWhitfield4 days
Feb 28, 11:35 PM ESTRiver Flood WarningFFCCatoosa56 hr
Feb 28, 11:54 PM ESTSpecial Weather StatementFFCGordon, Pickens51 min
Mar 1, 4:50 AM ESTRiver Flood WarningFFCCatoosa25 hr
Mar 1, 10:17 AM ESTSpecial Weather StatementFFCBartow, Haralson, Polk43 min
Mar 1, 10:49 AM ESTSpecial Weather StatementFFCCarroll, Cherokee, Cobb, Douglas, Forsyth, Fulton and 2 more41 min
Mar 1, 11:17 AM ESTSevere Thunderstorm WarningFFCCobb, DeKalb, Forsyth, Fulton, Gwinnett28 min
Mar 1, 11:29 AM ESTSpecial Weather StatementFFCCarroll, DeKalb, Douglas, Forsyth, Fulton, Gwinnett and 2 more46 min
Mar 1, 12:03 PM ESTSpecial Weather StatementFFCBarrow, Clayton, Coweta, DeKalb, Fayette, Gwinnett and 6 more42 min
Mar 1, 1:11 PM ESTSpecial Weather StatementFFCMorgan, Newton34 min
Mar 1, 1:37 PM ESTSpecial Weather StatementFFCButts, Jasper23 min
Mar 1, 2:14 PM ESTSpecial Weather StatementFFCTalbot, Upson31 min
Mar 1, 2:42 PM ESTSpecial Weather StatementFFCBibb, Crawford, Jones, Monroe, Upson48 min
Mar 1, 2:49 PM ESTSpecial Weather StatementFFCBaldwin, Hancock26 min
Mar 1, 3:13 PM ESTSpecial Weather StatementFFCGlascock, Jefferson47 min
Mar 1, 3:17 PM ESTSpecial Weather StatementFFCHouston, Macon, Marion, Peach43 min
Mar 1, 3:19 PM ESTSpecial Weather StatementFFCBaldwin, Bibb, Twiggs, Washington, Wilkinson41 min
Mar 1, 3:23 PM ESTSevere Thunderstorm WarningFFCBibb, Laurens, Twiggs, Wilkinson37 min
Mar 1, 3:55 PM ESTSpecial Weather StatementFFCJefferson, Johnson, Washington, Wilkinson50 min
Mar 1, 4:35 PM ESTSpecial Weather StatementFFCEmanuel25 min

Nearby

Wind Advisories in Georgia, 2018Every wind advisory in 2018

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.