Alert archive / Georgia / Heat Advisories in 2024

Heat Advisory 7, NWS Atlanta, GA

July 9, 202463 counties in Georgia

NWS Atlanta, GA issued this heat advisory at Jul 9, 2024, 3:08 AM EDT for 63 counties in Georgia. It took effect at Jul 9, 2024, 11:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jul 9, 2024, 3:08 AM EDT (07:08 UTC)
In effect from
Jul 9, 2024, 11:00 AM EDT
Expired
Jul 9, 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 07:06 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, 7.1 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2024-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 233 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 2024-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
233 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 9, 2:16 AM EDT, 52 minutes earlier.

Area forecast discussion, Jul 9, 2:16 AM EDT, 52 minutes before
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Hazardous weather outlook, Jul 8, 9:43 PM EDT, 5 hours 25 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
943 PM EDT Mon Jul 8 2024

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-100145-
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-
943 PM EDT Mon Jul 8 2024

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

.DAY ONE...Tonight...

Scattered thunderstorms may continue across portions of north
Georgia past midnight. A few strong storms could produce locally
heavy rainfall, frequent lightning, and hail.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

Isolated to scattered thunderstorms are expected across portions
of the area each day. Coverage of storms will generally be
maximized during the afternoon and evening hours each day. The
risk for widespread severe weather remains low.

Heat index values of 100 to 105 degrees are expected across
portions of the area on Tuesday and Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

In the hours before

Special weather statement, Jul 8, 10:55 PM EDT, 4 hours 13 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1055 PM EDT Mon Jul 8 2024

GAZ006-007-090330-
Gilmer GA-Fannin GA-
1055 PM EDT Mon Jul 8 2024

...A strong thunderstorm will impact portions of northeastern Gilmer
and northeastern Fannin Counties through 1130 PM EDT...

At 1055 PM EDT, a strong thunderstorm was near Higdon, or near Blue
Ridge, moving east at 10 mph.

HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
         heavy rain.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects. Heavy rain may cause temporary
         street flooding especially in poor drainage areas.

Locations impacted include...
Blue Ridge, Morganton, Mineral Bluff, Cherry Log, Higdon, Colwell,
Hurst, Loving, and Epworth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

&&

LAT...LON 3477 8414 3477 8442 3491 8451 3499 8434
      3499 8423
TIME...MOT...LOC 0255Z 250DEG 8KT 3485 8440

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
Special weather statement, Jul 8, 11:07 PM EDT, 4 hours 1 minute before
Special Weather Statement
National Weather Service Peachtree City GA
1107 PM EDT Mon Jul 8 2024

GAZ007-013>015-090345-
Gilmer GA-Dawson GA-Pickens GA-Lumpkin GA-
1107 PM EDT Mon Jul 8 2024

...A strong thunderstorm will impact portions of west central
Lumpkin, southeastern Gilmer, western Dawson and eastern Pickens
Counties through 1145 PM EDT...

At 1107 PM EDT, a strong thunderstorm was over Fausett Lake, or 8
miles east of Jasper, moving north at 5 mph.

HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
         heavy rain.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects. Heavy rain may cause temporary
         street flooding especially in poor drainage areas.

Locations impacted include...
Jasper, Amicalola Falls State Park, Sequoyah Lake, Len Foote Hike
Inn, Lake Tamarack, Marblehill, Tate, Nimblewill, Juno, and Fausett
Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

&&

LAT...LON 3439 8420 3439 8446 3462 8451 3458 8407
TIME...MOT...LOC 0307Z 198DEG 5KT 3449 8428

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
Special weather statement, Jul 8, 11:38 PM EDT, 3 hours 30 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1138 PM EDT Mon Jul 8 2024

GAZ008-015-090430-
Union GA-Lumpkin GA-
1138 PM EDT Mon Jul 8 2024

...A strong thunderstorm will impact portions of west central Lumpkin
and south central Union Counties through 1230 AM EDT...

At 1138 PM EDT, a strong thunderstorm was near Camp Merrill, or near
Dahlonega. This storm was nearly stationary.

HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
         heavy rain.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects. Heavy rain may cause temporary
         street flooding especially in poor drainage areas.

Locations impacted include...
Dahlonega, Hawk Mountain Shelter, Nimblewill, Camp Merrill, and Gooch
Mountain Shelter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

&&

LAT...LON 3455 8392 3449 8414 3451 8416 3459 8419
      3460 8419 3467 8414 3471 8406
TIME...MOT...LOC 0338Z 338DEG 4KT 3458 8409

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
Special weather statement, Jul 8, 11:46 PM EDT, 3 hours 22 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1146 PM EDT Mon Jul 8 2024

GAZ007-013-014-090430-
Gilmer GA-Dawson GA-Pickens GA-
1146 PM EDT Mon Jul 8 2024

...A strong thunderstorm will impact portions of Gilmer, western
Dawson and Pickens Counties through 1230 AM EDT...

At 1145 PM EDT, a strong thunderstorm was near Sequoyah Lake, or near
Jasper. This storm was nearly stationary.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

IMPACT...Heavy rain may cause temporary street flooding especially
         in poor drainage areas.

Locations impacted include...
Jasper, Ellijay, East Ellijay, Talking Rock, Amicalola Falls State
Park, Sequoyah Lake, Talona, Tails Creek, Marblehill, Juno, Fausett
Lake, Len Foote Hike Inn, Cartecay, Pisgah, Blaine, Lake Tamarack,
Cherry Log, Mountaintown, Tate, and Roy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

&&

LAT...LON 3481 8437 3457 8419 3454 8419 3449 8413
      3438 8426 3438 8430 3446 8456 3470 8466
      3475 8465 3476 8464
TIME...MOT...LOC 0345Z 215DEG 2KT 3456 8444

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
Special weather statement, Jul 9, 12:13 AM EDT, 2 hours 55 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1213 AM EDT Tue Jul 9 2024

GAZ006-008-015-090500-
Union GA-Lumpkin GA-Fannin GA-
1213 AM EDT Tue Jul 9 2024

...Strong thunderstorms will impact portions of northern Lumpkin,
southern Union and southeastern Fannin Counties through 100 AM EDT...

At 1213 AM EDT, a line of strong thunderstorms was along a line
extending from near Vogel State Park to Black Gap Shelter. These
storms were nearly stationary.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

IMPACT...Heavy rain may cause temporary street flooding especially
         in poor drainage areas.

Locations impacted include...
Suches, Margret, Camp Merrill, Woods Hole Shelter, Springer Mountain
Shelter, Owltown, Vogel State Park, Stover Creek Shelter, Hawk
Mountain Shelter, Blood Mountain Shelter, Gaddistown, Gooch Mountain
Shelter, Nimblewill, and Black Gap Shelter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

&&

LAT...LON 3474 8382 3473 8383 3472 8385 3471 8386
      3461 8401 3455 8418 3458 8420 3461 8419
      3462 8420 3464 8420 3465 8422 3474 8420
      3481 8416 3485 8388
TIME...MOT...LOC 0413Z 225DEG 3KT 3479 8388 3461 8418

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
Special weather statement, Jul 9, 12:29 AM EDT, 2 hours 39 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:27 PM EDTSpecial Weather StatementFFCFloyd33 min
Jul 8, 8:29 PM EDTSpecial Weather StatementFFCPolk31 min
Jul 8, 8:50 PM EDTSpecial Weather StatementFFCFloyd25 min
Jul 8, 9:00 PM EDTSpecial Weather StatementFFCGordon30 min
Jul 8, 9:00 PM EDTSpecial Weather StatementFFCWalker30 min
Jul 8, 9:08 PM EDTSevere Thunderstorm WarningFFCBartow, Gordon16 min
Jul 8, 9:22 PM EDTSevere Thunderstorm WarningFFCGilmer, Gordon, Murray, Pickens23 min
Jul 8, 9:54 PM EDTFlash Flood WarningFFCBartow, Floyd, Gordon4 hr
Jul 8, 9:56 PM EDTSpecial Weather StatementFFCLumpkin34 min
Jul 8, 10:25 PM EDTSpecial Weather StatementFFCGilmer35 min
Jul 8, 10:29 PM EDTSpecial Weather StatementFFCGilmer31 min
Jul 8, 10:55 PM EDTSpecial Weather StatementFFCFannin35 min
Jul 8, 11:07 PM EDTSpecial Weather StatementFFCDawson38 min
Jul 8, 11:38 PM EDTSpecial Weather StatementFFCLumpkin52 min
Jul 8, 11:46 PM EDTSpecial Weather StatementFFCGilmer, Pickens44 min
Jul 8, 11:58 PM EDTFlash Flood WarningFFCDawson, Gilmer, Pickens4 hr
Jul 9, 12:13 AM EDTSpecial Weather StatementFFCUnion47 min
Jul 9, 12:22 AM EDTFlash Flood WarningFFCFannin, Lumpkin, Union4 hr
Jul 9, 12:29 AM EDTSpecial Weather StatementFFCWhite46 min
Jul 9, 3:21 PM EDTSpecial Weather StatementFFCPeach24 min
Jul 9, 3:27 PM EDTSpecial Weather StatementFFCHeard, Troup33 min
Jul 9, 3:37 PM EDTSpecial Weather StatementFFCBibb23 min
Jul 9, 3:49 PM EDTSpecial Weather StatementFFCTalbot26 min
Jul 9, 4:12 PM EDTSpecial Weather StatementFFCPike33 min
Jul 9, 4:22 PM EDTSpecial Weather StatementFFCHarris23 min
Jul 9, 4:47 PM EDTSpecial Weather StatementFFCMeriwether28 min
Jul 9, 5:02 PM EDTSpecial Weather StatementFFCHarris28 min
Jul 9, 5:07 PM EDTSpecial Weather StatementFFCClayton38 min
Jul 9, 5:12 PM EDTSpecial Weather StatementFFCGordon33 min
Jul 9, 5:43 PM EDTSpecial Weather StatementFFCGilmer, Pickens32 min
Jul 9, 6:13 PM EDTSpecial Weather StatementFFCNewton, Walton32 min
Jul 9, 6:44 PM EDTSpecial Weather StatementFFCLumpkin31 min

Nearby

Heat Advisories in Georgia, 2024Every 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.