Alert archive / Georgia / Heat Advisories in 2021
Heat Advisory 5, NWS Atlanta, GA
NWS Atlanta, GA issued this heat advisory at Aug 1, 2021, 3:29 AM EDT for 20 counties in Georgia. It took effect at Aug 1, 2021, 11:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 1, 2021, 3:29 AM EDT (07:29 UTC)
- In effect from
- Aug 1, 2021, 11:00 AM EDT
- Expired
- Aug 1, 2021, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Atlanta, GA
Counties Bibb County, GA, Bleckley County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Houston County, GA, Jefferson County, GA, Johnson County, GA, Laurens County, GA, Montgomery County, GA, Pulaski County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA
The radar
The Robins AFB radar (KJGX), 41 km from the middle of the area, began a volume at 07:32 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, 7.5 hours before the alert went out and 172 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
- 2012 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
432 WWUS72 KFFC 010729 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 329 AM EDT Sun Aug 1 2021 GAZ074-076-082>086-095>098-105>113-011600- /O.NEW.KFFC.HT.Y.0005.210801T1500Z-210802T0000Z/ Washington-Jefferson-Bibb-Twiggs-Wilkinson-Johnson-Emanuel- Houston-Bleckley-Laurens-Treutlen-Dooly-Crisp-Pulaski-Wilcox- Dodge-Telfair-Wheeler-Montgomery-Toombs- Including the cities of Macon, Swainsboro, Warner Robins, Dublin, Cordele, and Vidalia 329 AM EDT Sun Aug 1 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of central, east central and southeast Georgia. * WHEN...From 11 AM this morning 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. && $$
1 follow-up statement
328 WWUS72 KFFC 011530 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 1130 AM EDT Sun Aug 1 2021 GAZ074-076-082>086-095>098-105>113-020000- /O.CON.KFFC.HT.Y.0005.000000T0000Z-210802T0000Z/ Washington-Jefferson-Bibb-Twiggs-Wilkinson-Johnson-Emanuel- Houston-Bleckley-Laurens-Treutlen-Dooly-Crisp-Pulaski-Wilcox- Dodge-Telfair-Wheeler-Montgomery-Toombs- Including the cities of Macon, Swainsboro, Warner Robins, Dublin, Cordele, and Vidalia 1130 AM EDT Sun Aug 1 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of central, east central and southeast Georgia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:06 PM EDT | Special Weather Statement | FFC | Montgomery, Telfair, Toombs, Wheeler | 24 min |
| Jul 31, 8:30 PM EDT | Special Weather Statement | FFC | Montgomery, Telfair, Toombs, Wheeler | 30 min |
| Aug 1, 1:55 AM EDT | Special Weather Statement | FFC | Dade | 50 min |
| Aug 1, 2:19 AM EDT | Special Weather Statement | FFC | Cobb, Fulton | 26 min |
| Aug 1, 2:46 AM EDT | Special Weather Statement | FFC | DeKalb, Fulton | 29 min |
| Aug 1, 3:24 AM EDT | Special Weather Statement | FFC | DeKalb, Henry, Rockdale | 51 min |
| Aug 1, 4:16 AM EDT | Special Weather Statement | FFC | Henry | 29 min |
| Aug 1, 4:39 PM EDT | Special Weather Statement | FFC | Troup | 51 min |
| Aug 1, 5:39 PM EDT | Special Weather Statement | FFC | Crawford, Peach, Talbot, Taylor | 51 min |
| Aug 1, 6:30 PM EDT | Special Weather Statement | FFC | Houston, Peach | 45 min |
| Aug 1, 6:54 PM EDT | Severe Thunderstorm Warning | FFC | Dooly, Houston, Macon | 36 min |
| Aug 1, 7:06 PM EDT | Special Weather Statement | FFC | Chattahoochee, Muscogee | 39 min |
| Aug 1, 7:29 PM EDT | Special Weather Statement | FFC | Pulaski | 31 min |
| Aug 1, 7:39 PM EDT | Special Weather Statement | FFC | Treutlen | 36 min |
| Aug 1, 7:41 PM EDT | Special Weather Statement | FFC | Crisp | 49 min |
| Aug 1, 7:44 PM EDT | Special Weather Statement | FFC | Marion, Schley | 46 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.