Alert archive / Georgia / Flood Watches in 2021
Flood Watch 1, NWS Atlanta, GA
NWS Atlanta, GA issued this flood watch at Aug 30, 2021, 4:19 AM EDT for 18 counties in Georgia. It took effect at Aug 31, 2021, 8:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Aug 30, 2021, 4:19 AM EDT (08:19 UTC)
- In effect from
- Aug 31, 2021, 8:00 AM EDT
- Expired
- Aug 30, 2021, 4:20 AM EDT
- In force
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
Counties Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 137 km from the middle of the area, began a volume at 08:21 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, 8.3 hours before the alert went out and 140 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
- 857 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
926 WGUS62 KFFC 300819 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Peachtree City GA 419 AM EDT Mon Aug 30 2021 GAZ001>009-011>016-019>021-302100- /O.NEW.KFFC.FA.A.0001.210831T1200Z-210901T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee- Including the cities of , Dahlonega, Calhoun, Rome, Cleveland, and Cartersville 419 AM EDT Mon Aug 30 2021 ...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... The National Weather Service in Peachtree City has issued a * Flood Watch for portions of north central Georgia, northeast Georgia and northwest Georgia, including the following areas, in north central Georgia, Cherokee, Dawson, Fannin, Gilmer, Lumpkin, Pickens and Union. In northeast Georgia, Towns and White. In northwest Georgia, Bartow, Catoosa, Chattooga, Dade, Floyd, Gordon, Murray, Walker and Whitfield. * From Tuesday morning through Wednesday afternoon. * Rainfall associated with Tropical Storm Ida will being to move into Northwestern Georgia Tuesday morning and expand into Northern Georgia by Tuesday afternoon. 2 to 5 inches of rain is expected through the flash flood watch with isolated heavier amounts possible. As the remnants of Ida moves through, additional bands of rainfall may cause training of storms through Wednesday that may lead to additional flash flooding concerns. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$
1 follow-up statement
434 WGUS62 KFFC 300820 FFAFFC Flood Watch National Weather Service Peachtree City GA 420 AM EDT Mon Aug 30 2021 GAZ001>009-011>016-019>021-300930- /O.CAN.KFFC.FA.A.0001.210831T1200Z-210901T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee- Including the cities of , Dahlonega, Calhoun, Rome, Cleveland, and Cartersville 420 AM EDT Mon Aug 30 2021 ...FLOOD WATCH IS CANCELLED... The Flood Watch for portions of north central Georgia, northeast Georgia and northwest Georgia, including the following areas, in north central Georgia, Cherokee, Dawson, Fannin, Gilmer, Lumpkin, Pickens and Union. In northeast Georgia, Towns and White. In northwest Georgia, Bartow, Catoosa, Chattooga, Dade, Floyd, Gordon, Murray, Walker and Whitfield has been cancelled. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 4:27 AM EDT | Flash Flood Watch | FFC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 22 more | 43 hr |
| Aug 30, 2:29 PM EDT | Special Weather Statement | FFC | Chattooga | 31 min |
| Aug 30, 2:33 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Floyd | 30 min |
| Aug 30, 4:09 PM EDT | Special Weather Statement | FFC | Catoosa, Whitfield | 36 min |
| Aug 30, 4:11 PM EDT | Special Weather Statement | FFC | Gordon | 34 min |
| Aug 30, 4:34 PM EDT | Special Weather Statement | FFC | Pickens | 26 min |
| Aug 30, 4:41 PM EDT | Tornado Warning | FFC | Gilmer, Gordon, Pickens | 14 min |
| Aug 30, 4:44 PM EDT | Special Weather Statement | FFC | Gordon | 31 min |
| Aug 30, 5:11 PM EDT | Special Weather Statement | FFC | Gilmer, Murray, Pickens, Whitfield | 34 min |
| Aug 30, 5:29 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Fannin, Gilmer, Pickens | 31 min |
| Aug 30, 5:46 PM EDT | Special Weather Statement | FFC | Lamar | 29 min |
| Aug 30, 6:56 PM EDT | Special Weather Statement | FFC | Coweta | 34 min |
| Aug 30, 7:23 PM EDT | Special Weather Statement | FFC | Carroll | 22 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.