Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 16, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 20, 2021, 9:03 PM EDT for Floyd County, Georgia. It was in force for 6 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 20, 2021, 9:03 PM EDT (01:03 UTC)
- Expired
- Jul 21, 2021, 3:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Floyd County, GA
The radar
The Northeast Alabama radar (KHTX), 110 km from the middle of the area, began a volume at 01:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 20, 9:46 PM EDT | FLASH FLOOD | 2 E Rome, GA | ROAD CLOSED DUE TO FLASH FLOODING NEAR THE INTERSECTION OF HWY 53 AND GORDON RD. |
| Jul 20, 9:46 PM EDT | FLASH FLOOD | 3 N Rome, GA | ROAD CLOSED DUE TO FLOODING NEAR THE INTERSECTION OF HWY 27 AND OLD DALTON RD. TIME ESTIMATED FROM EM REPORT. |
| Jul 20, 9:46 PM EDT | FLASH FLOOD | 4 Ene Coosa, GA | ROAD CLOSED DUE TO FLOODING ON GARDEN LAKES PKWY NEAR BEECH CREEK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.1 hours before the alert went out and 120 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
- 707 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
549
WGUS52 KFFC 210103
FFWFFC
GAC115-210700-
/O.NEW.KFFC.FF.W.0016.210721T0103Z-210721T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
903 PM EDT Tue Jul 20 2021
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Central Floyd County in northwestern Georgia...
* Until 300 AM EDT.
* At 903 PM EDT, the public reported thunderstorms producing heavy
rain across the warned area. Between 1 and 3 inches of rain have
fallen. Additional rainfall amounts of 1 to 2 inches are possible
in the warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Public reported.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Rome, Shannon, Lindale, Pinson and Coosa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3425 8537 3428 8535 3436 8516 3439 8501
3435 8501 3434 8503 3429 8503 3425 8510
3421 8516 3421 8530
FLASH FLOOD...OBSERVED
$$1 follow-up statement
018
WGUS72 KFFC 210215
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1015 PM EDT Tue Jul 20 2021
GAC115-210700-
/O.CON.KFFC.FF.W.0016.000000T0000Z-210721T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Floyd GA-
1015 PM EDT Tue Jul 20 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 AM EDT WEDNESDAY
FOR CENTRAL FLOYD COUNTY...
At 1015 PM EDT, The public reported thunderstorms producing heavy
rain across the warned area. Between 1 and 3 inches of rain have
fallen. Flash flooding is already occurring. There have been
multiple road closures reported due to flooding north of Rome.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Public reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Rome, Shannon, Lindale, Pinson and Coosa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3425 8537 3428 8535 3436 8516 3439 8501
3435 8501 3434 8503 3429 8503 3425 8510
3421 8516 3421 8530
FLASH FLOOD...OBSERVED
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 8:48 PM EDT | Special Weather Statement | FFC | Floyd | 42 min |
| Jul 21, 4:54 PM EDT | Special Weather Statement | FFC | Baldwin | 36 min |
| Jul 21, 5:52 PM EDT | Special Weather Statement | FFC | Washington | 23 min |
| Jul 21, 6:01 PM EDT | Special Weather Statement | FFC | Emanuel | 29 min |
| Jul 21, 6:16 PM EDT | Special Weather Statement | FFC | Emanuel | 14 min |
| Jul 21, 7:13 PM EDT | River Flood Warning | FFC | Sumter | 116 min |
Nearby
Flash Flood Warnings in Georgia, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.