Alert archive / Georgia / Heat Advisories in 2024

Heat Advisory 9, NWS Atlanta, GA

July 30, 202463 counties in Georgia

NWS Atlanta, GA issued this heat advisory at Jul 30, 2024, 2:28 PM EDT for 63 counties in Georgia. It took effect at Jul 31, 2024, 11:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 30, 2024, 2:28 PM EDT (18:28 UTC)
In effect from: Jul 31, 2024, 11:00 AM EDT
Expired: Jul 31, 2024, 8:00 PM EDT
In force: 9 hr
Issued by: NWS Atlanta, GA

All 63 counties

Baldwin County, GA, Banks County, GA, Barrow County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Chattahoochee County, GA, Clarke County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Harris County, GA, Henry County, GA, Houston County, GA, Jackson 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), 37 km from the middle of the area, began a volume at 18:29 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, 6.5 hours before the alert went out and 97 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1295 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 539 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this heat advisory went out at Jul 30, 1:38 PM EDT, 50 minutes earlier.

Area forecast discussion, Jul 30, 1:38 PM EDT, 50 minutes before

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Hazardous weather outlook, Jul 30, 5:07 AM EDT, 9 hours 21 minutes before

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In the hours before

Local storm report, Jul 30, 11:04 AM EDT, 3 hours 24 minutes before

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Local storm report, Jul 30, 11:46 AM EDT, 2 hours 42 minutes before

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Local storm report, Jul 30, 11:48 AM EDT, 2 hours 40 minutes before

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Local storm report, Jul 30, 11:56 AM EDT, 2 hours 32 minutes before

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Local storm report, Jul 30, 12:03 PM EDT, 2 hours 25 minutes before

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Special weather statement, Jul 30, 1:11 PM EDT, 1 hour 17 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 8:04 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Houston, Lamar, Macon, Monroe and 3 more	41 min
Jul 29, 8:05 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, DeKalb, Fulton, Gwinnett, Paulding	40 min
Jul 29, 8:15 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Clayton, Coweta, Fayette, Fulton, Heard	45 min
Jul 29, 8:34 PM EDT	Special Weather Statement	FFC	Webster	41 min
Jul 29, 8:34 PM EDT	Special Weather Statement	FFC	Harris	26 min
Jul 29, 8:44 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Henry, Meriwether, Pike and 1 more	46 min
Jul 29, 8:50 PM EDT	Special Weather Statement	FFC	Houston, Peach	40 min
Jul 29, 9:01 PM EDT	Special Weather Statement	FFC	Harris	29 min
Jul 29, 9:15 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Lamar, Monroe, Pike, Spalding, Upson	34 min
Jul 29, 9:24 PM EDT	Special Weather Statement	FFC	Dooly, Houston, Macon, Pulaski, Schley	36 min
Jul 29, 9:25 PM EDT	Special Weather Statement	FFC	Talbot	35 min
Jul 29, 9:48 PM EDT	Special Weather Statement	FFC	Crawford, Taylor, Upson	27 min
Jul 29, 9:54 PM EDT	Special Weather Statement	FFC	Crisp, Dodge, Dooly, Marion, Pulaski, Schley and 2 more	36 min
Jul 29, 10:32 PM EDT	Special Weather Statement	FFC	Crisp, Dooly, Schley, Sumter	13 min
Jul 29, 10:46 PM EDT	Special Weather Statement	FFC	Crisp, Sumter, Wilcox	29 min
Jul 30, 3:30 AM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Butts, Chattahoochee, Clarke and 44 more	17 hr
Jul 30, 1:11 PM EDT	Special Weather Statement	FFC	Cobb	34 min
Jul 30, 6:19 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Towns, Union, White	41 min
Jul 30, 6:21 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Murray, Walker, Whitfield	39 min
Jul 30, 6:42 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Floyd, Gilmer, Gordon, Murray and 3 more	48 min
Jul 30, 6:55 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Fannin, Gilmer, Hall, Lumpkin, Pickens and 3 more	50 min
Jul 30, 7:17 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Dawson, Floyd, Forsyth, Gilmer and 2 more	43 min
Jul 30, 7:29 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	46 min
Jul 30, 7:39 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Dawson, Forsyth, Hall, Lumpkin, White	51 min
Jul 30, 7:52 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, DeKalb, Forsyth, Fulton and 3 more	38 min
Jul 30, 7:56 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Douglas, Paulding	49 min

Nearby

Heat Advisories in Georgia, 2024 Every heat advisory in 2024

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.