Alert archive / Georgia / Heat Advisories in 2023

Heat Advisory 2, NWS Atlanta, GA

July 3, 202315 counties in Georgia

NWS Atlanta, GA issued this heat advisory at Jul 3, 2023, 3:43 AM EDT for 15 counties in Georgia. It took effect at Jul 3, 2023, 12:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jul 3, 2023, 3:43 AM EDT (07:43 UTC)
In effect from
Jul 3, 2023, 12:00 PM EDT
Expired
Jul 3, 2023, 8:00 PM EDT
In force
8 hr
Issued by
NWS Atlanta, GA

Counties Bleckley County, GA, Dodge County, GA, Emanuel County, GA, Glascock County, GA, Jefferson County, GA, Johnson County, GA, Laurens County, GA, Montgomery County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Washington County, GA, Wheeler County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 55 km from the middle of the area, began a volume at 07:45 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, 7.7 hours before the alert went out and 185 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 2023-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2393 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2023-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.193958Sfc1 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
2393 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1270 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

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 3, 1:46 AM EDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jul 3, 1:46 AM EDT, 1 hour 57 minutes before
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Hazardous weather outlook, Jul 2, 9:29 PM EDT, 6 hours 14 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
929 PM EDT Sun Jul 2 2023

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-040130-
Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa-
Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta-
Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel-
Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene-
Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson-
Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon-
Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray-
Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach-
Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton-
Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs-
Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren-
Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes-
Wilkinson-
929 PM EDT Sun Jul 2 2023

This Hazardous Weather Outlook is for portions of North and Central Georgia.

.DAY ONE...Tonight...

Scattered thunderstorms will continue across central Georgia this
evening. A couple of storms could be severe with damaging
downburst winds, frequent lightning, and some hail.

.DAYS TWO THROUGH SEVEN...Monday through Saturday...

Thunderstorms will be possible each afternoon and evening through
Saturday. There is a marginal risk (level 1 of 5) of severe
weather Monday and Tuesday. The primary severe hazard on both days
should be damaging downburst winds. Be prepared for potential
disruptions to your 4th of July activities.

Hot and humid conditions will continue in central Georgia through
mid week, with afternoon heat indices in the 102 to 108 degree
range.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not requested but spotters are encouraged
to submit reports of severe weather through the web by going to
weather.gov/atlanta.  Please relay any information about observed
severe weather to the NWS while following all local, state, and
CDC guidelines.

In the hours before

Special weather statement, Jul 2, 10:16 PM EDT, 5 hours 27 minutes before
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Special weather statement, Jul 2, 10:45 PM EDT, 4 hours 58 minutes before
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Special weather statement, Jul 2, 10:55 PM EDT, 4 hours 48 minutes before
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Special weather statement, Jul 2, 10:59 PM EDT, 4 hours 44 minutes before
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Special weather statement, Jul 3, 12:09 AM EDT, 3 hours 34 minutes before
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Local storm report, Jul 3, 12:16 AM EDT, 3 hours 27 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:09 PM EDTSevere Thunderstorm WarningFFCHarris, Meriwether, Troup51 min
Jul 2, 8:13 PM EDTSevere Thunderstorm WarningFFCTaylor47 min
Jul 2, 8:36 PM EDTSevere Thunderstorm WarningFFCPike, Upson39 min
Jul 2, 8:47 PM EDTSevere Thunderstorm WarningFFCMacon, Schley, Sumter43 min
Jul 2, 8:55 PM EDTSevere Thunderstorm WarningFFCTalbot, Upson20 min
Jul 2, 8:59 PM EDTSevere Thunderstorm WarningFFCMacon, Taylor31 min
Jul 2, 9:02 PM EDTSevere Thunderstorm WarningFFCButts, Henry, Spalding28 min
Jul 2, 9:15 PM EDTSpecial Weather StatementFFCPike, Upson30 min
Jul 2, 9:16 PM EDTSpecial Weather StatementFFCSumter29 min
Jul 2, 9:21 PM EDTSevere Thunderstorm WarningFFCUpson24 min
Jul 2, 9:23 PM EDTSevere Thunderstorm WarningFFCMeriwether, Pike21 min
Jul 2, 9:28 PM EDTSpecial Weather StatementFFCCrawford32 min
Jul 2, 9:29 PM EDTSpecial Weather StatementFFCButts31 min
Jul 2, 9:31 PM EDTSpecial Weather StatementFFCMacon29 min
Jul 2, 9:51 PM EDTSpecial Weather StatementFFCFayette, Lamar, Monroe, Spalding24 min
Jul 2, 9:57 PM EDTSpecial Weather StatementFFCBibb, Crawford, Houston, Peach18 min
Jul 2, 9:59 PM EDTSpecial Weather StatementFFCSchley, Sumter31 min
Jul 2, 10:13 PM EDTSpecial Weather StatementFFCButts, Henry, Jasper32 min
Jul 2, 10:16 PM EDTSpecial Weather StatementFFCBibb, Jones29 min
Jul 2, 10:45 PM EDTSpecial Weather StatementFFCJasper, Jones30 min
Jul 2, 10:55 PM EDTSpecial Weather StatementFFCTwiggs35 min
Jul 2, 10:59 PM EDTSpecial Weather StatementFFCRockdale31 min
Jul 3, 12:09 AM EDTSpecial Weather StatementFFCWheeler36 min
Jul 3, 3:25 PM EDTSpecial Weather StatementFFCHouston35 min
Jul 3, 3:32 PM EDTSpecial Weather StatementFFCPike28 min
Jul 3, 3:35 PM EDTSpecial Weather StatementFFCHouston25 min
Jul 3, 3:59 PM EDTSpecial Weather StatementFFCLamar31 min
Jul 3, 4:01 PM EDTSpecial Weather StatementFFCPulaski29 min
Jul 3, 4:16 PM EDTSpecial Weather StatementFFCMonroe29 min
Jul 3, 4:22 PM EDTSevere Thunderstorm WarningFFCLamar, Monroe23 min
Jul 3, 4:25 PM EDTSpecial Weather StatementFFCBleckley35 min
Jul 3, 4:31 PM EDTSpecial Weather StatementFFCUpson29 min
Jul 3, 4:38 PM EDTSpecial Weather StatementFFCBleckley37 min
Jul 3, 4:44 PM EDTSpecial Weather StatementFFCMonroe31 min
Jul 3, 5:01 PM EDTSpecial Weather StatementFFCBleckley29 min
Jul 3, 5:14 PM EDTSpecial Weather StatementFFCBibb31 min
Jul 3, 5:36 PM EDTSpecial Weather StatementFFCCarroll24 min
Jul 3, 5:39 PM EDTSpecial Weather StatementFFCFloyd36 min
Jul 3, 5:40 PM EDTSpecial Weather StatementFFCPeach35 min
Jul 3, 5:59 PM EDTSpecial Weather StatementFFCPolk31 min
Jul 3, 6:00 PM EDTSpecial Weather StatementFFCCarroll30 min
Jul 3, 6:04 PM EDTSpecial Weather StatementFFCHaralson26 min
Jul 3, 6:16 PM EDTSpecial Weather StatementFFCCarroll29 min
Jul 3, 6:28 PM EDTSpecial Weather StatementFFCDouglas32 min
Jul 3, 7:00 PM EDTSpecial Weather StatementFFCDouglas30 min
Jul 3, 7:27 PM EDTSpecial Weather StatementFFCFulton33 min
Jul 3, 7:40 PM EDTSpecial Weather StatementFFCBarrow35 min
Jul 3, 7:41 PM EDTSpecial Weather StatementFFCFayette34 min

Nearby

Heat Advisories in Georgia, 2023Every heat advisory in 2023

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.