Alert archive / Georgia / Heat Advisories in 2021
Heat Advisory 1, NWS Atlanta, GA
NWS Atlanta, GA issued this heat advisory at Jul 27, 2021, 4:45 AM EDT for 43 counties in Georgia. It took effect at Jul 27, 2021, 12:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jul 27, 2021, 4:45 AM EDT (08:45 UTC)
- In effect from
- Jul 27, 2021, 12:00 PM EDT
- Expired
- Jul 27, 2021, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Atlanta, GA
All 43 counties
Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Chattahoochee County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Greene County, GA, Hancock County, GA, Houston County, GA, Jasper County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Macon County, GA, Marion County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Telfair County, GA, Treutlen County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA
The radar
The Robins AFB radar (KJGX), 30 km from the middle of the area, began a volume at 08:47 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, 8.8 hours before the alert went out and 109 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.
- Mixed-layer CAPE
- 895 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
011 WWUS72 KFFC 270845 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 445 AM EDT Tue Jul 27 2021 GAZ037-047>050-058>061-069>074-079>085-089>098-102>112-271645- /O.NEW.KFFC.HT.Y.0001.210727T1600Z-210728T0000Z/ Oconee-Walton-Newton-Morgan-Greene-Butts-Jasper-Putnam-Hancock- Upson-Lamar-Monroe-Jones-Baldwin-Washington-Talbot-Taylor- Crawford-Bibb-Twiggs-Wilkinson-Johnson-Muscogee-Chattahoochee- Marion-Schley-Macon-Peach-Houston-Bleckley-Laurens-Treutlen- Stewart-Webster-Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-Telfair- Wheeler-Montgomery- Including the cities of Covington, Milledgeville, Macon, Columbus, Warner Robins, Dublin, Lumpkin, Americus, and Cordele 445 AM EDT Tue Jul 27 2021 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of central and west central Georgia. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
2 follow-up statements
337 WWUS72 KFFC 271832 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 232 PM EDT Tue Jul 27 2021 GAZ037-047>050-058>061-069>074-079>085-089>098-102>112-280000- /O.CON.KFFC.HT.Y.0001.000000T0000Z-210728T0000Z/ Oconee-Walton-Newton-Morgan-Greene-Butts-Jasper-Putnam-Hancock- Upson-Lamar-Monroe-Jones-Baldwin-Washington-Talbot-Taylor- Crawford-Bibb-Twiggs-Wilkinson-Johnson-Muscogee-Chattahoochee- Marion-Schley-Macon-Peach-Houston-Bleckley-Laurens-Treutlen- Stewart-Webster-Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-Telfair- Wheeler-Montgomery- Including the cities of Covington, Milledgeville, Macon, Columbus, Warner Robins, Dublin, Lumpkin, Americus, and Cordele 232 PM EDT Tue Jul 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 107. * WHERE...Portions of central, east central, north central, northeast and west central Georgia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
625 WWUS72 KFFC 272353 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 753 PM EDT Tue Jul 27 2021 GAZ037-047>050-058>061-069>074-079>085-089>098-102>112-280100- /O.EXP.KFFC.HT.Y.0001.000000T0000Z-210728T0000Z/ Oconee-Walton-Newton-Morgan-Greene-Butts-Jasper-Putnam-Hancock- Upson-Lamar-Monroe-Jones-Baldwin-Washington-Talbot-Taylor- Crawford-Bibb-Twiggs-Wilkinson-Johnson-Muscogee-Chattahoochee- Marion-Schley-Macon-Peach-Houston-Bleckley-Laurens-Treutlen- Stewart-Webster-Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-Telfair- Wheeler-Montgomery- Including the cities of Covington, Milledgeville, Macon, Columbus, Warner Robins, Dublin, Lumpkin, Americus, and Cordele 753 PM EDT Tue Jul 27 2021 ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... Heat indices have fallen below heat advisory criteria, as such, the heat advisory will be allowed to expire at 8 PM EDT. Heat index values will once again be on the rise tomorrow and Thursday. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 8:18 PM EDT | Special Weather Statement | FFC | Gwinnett | 27 min |
| Jul 26, 8:19 PM EDT | Special Weather Statement | FFC | Walton | 26 min |
| Jul 26, 8:22 PM EDT | Special Weather Statement | FFC | Talbot | 23 min |
| Jul 26, 8:46 PM EDT | Special Weather Statement | FFC | Gwinnett | 29 min |
| Jul 26, 8:48 PM EDT | Special Weather Statement | FFC | Walton | 27 min |
| Jul 26, 8:52 PM EDT | Special Weather Statement | FFC | Morgan | 23 min |
| Jul 26, 9:20 PM EDT | Special Weather Statement | FFC | Newton, Walton | 25 min |
| Jul 26, 9:47 PM EDT | Special Weather Statement | FFC | Walton | 28 min |
| Jul 26, 9:52 PM EDT | Special Weather Statement | FFC | Jasper | 23 min |
| Jul 26, 10:14 PM EDT | Special Weather Statement | FFC | Jasper | 31 min |
| Jul 27, 1:47 PM EDT | Special Weather Statement | FFC | Carroll, Heard | 28 min |
| Jul 27, 2:15 PM EDT | Special Weather Statement | FFC | Heard | 30 min |
| Jul 27, 2:18 PM EDT | Special Weather Statement | FFC | Gilmer | 27 min |
| Jul 27, 3:50 PM EDT | Special Weather Statement | FFC | Pickens | 25 min |
| Jul 27, 4:23 PM EDT | Special Weather Statement | FFC | Muscogee | 37 min |
| Jul 27, 4:25 PM EDT | Special Weather Statement | FFC | Cherokee | 35 min |
| Jul 27, 4:28 PM EDT | Special Weather Statement | FFC | Stewart | 32 min |
| Jul 27, 4:53 PM EDT | Special Weather Statement | FFC | Forsyth | 37 min |
| Jul 27, 5:01 PM EDT | Special Weather Statement | FFC | Marion, Schley, Talbot, Upson | 29 min |
| Jul 27, 5:11 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Forsyth, Fulton, Gwinnett | 34 min |
| Jul 27, 5:24 PM EDT | Special Weather Statement | FFC | Banks | 36 min |
| Jul 27, 5:27 PM EDT | Special Weather Statement | FFC | Cobb | 33 min |
| Jul 27, 5:31 PM EDT | Special Weather Statement | FFC | Pike, Upson | 29 min |
| Jul 27, 5:32 PM EDT | Special Weather Statement | FFC | Taylor | 28 min |
| Jul 27, 5:40 PM EDT | Special Weather Statement | FFC | DeKalb | 35 min |
| Jul 27, 5:45 PM EDT | Special Weather Statement | FFC | Fulton | 30 min |
| Jul 27, 5:58 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 32 min |
| Jul 27, 6:03 PM EDT | Special Weather Statement | FFC | Taylor | 27 min |
| Jul 27, 6:09 PM EDT | Special Weather Statement | FFC | Henry | 36 min |
| Jul 27, 6:29 PM EDT | Special Weather Statement | FFC | Gwinnett | 31 min |
| Jul 27, 6:41 PM EDT | Special Weather Statement | FFC | Crisp | 34 min |
| Jul 27, 6:47 PM EDT | Special Weather Statement | FFC | Clayton, Henry | 28 min |
| Jul 27, 6:49 PM EDT | Special Weather Statement | FFC | Crisp | 26 min |
| Jul 27, 6:59 PM EDT | Special Weather Statement | FFC | Houston | 31 min |
| Jul 27, 7:18 PM EDT | Special Weather Statement | FFC | Pulaski | 27 min |
| Jul 27, 7:36 PM EDT | Special Weather Statement | FFC | Dawson | 24 min |
| Jul 27, 7:36 PM EDT | Special Weather Statement | FFC | Crisp, Dooly, Houston, Pulaski | 24 min |
Nearby
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.