Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 36, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Oct 4, 2021, 12:16 PM EDT for Harris County, Muscogee County, Georgia. It was in force for 6 hr. 1 report 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
- Oct 4, 2021, 12:16 PM EDT (16:16 UTC)
- Expired
- Oct 4, 2021, 6:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Harris County, GA, Muscogee County, GA
The radar
The Maxwell AFB radar (KMXX), 77 km from the middle of the area, began a volume at 16:20 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 |
|---|---|---|---|
| Oct 4, 12:20 PM EDT | FLASH FLOOD | 3 Ne Green Island Hills, GA | I-185 AT WILLIAMS ROAD WAS REPORTED TO HAVE FLOODING, WATER HAD BEGUN TO RECEDE WHEN RESPONDERS ARRIVED. |
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 12:00Z, 4.3 hours before the alert went out and 98 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
- 443 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
568
WGUS52 KFFC 041616
FFWFFC
GAC145-215-042215-
/O.NEW.KFFC.FF.W.0036.211004T1616Z-211004T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1216 PM EDT Mon Oct 4 2021
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
South Central Harris County in west central Georgia...
Northwestern Muscogee County in west central Georgia...
* Until 615 PM EDT.
* At 1216 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
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...
Bibb City, Fortson, Columbus Metropolitan Airport, Laurel Hills,
Green Island Hills, Flat Rock, Midland and Goat Rock Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3264 8508 3264 8502 3263 8490 3262 8483
3259 8479 3256 8480 3253 8483 3251 8492
3250 8499 3254 8502 3254 8503 3255 8504
3258 8507 3262 8508 3262 8509
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 11:01 AM EDT | Special Weather Statement | FFC | Harris, Muscogee, Talbot | 44 min |
| Oct 4, 11:04 AM EDT | Flash Flood Watch | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more | 4 days |
| Oct 4, 11:46 AM EDT | Special Weather Statement | FFC | Muscogee | 44 min |
| Oct 4, 12:46 PM EDT | Special Weather Statement | FFC | Muscogee | 44 min |
| Oct 4, 1:24 PM EDT | Flash Flood Warning | FFC | Muscogee | 6 hr |
| Oct 4, 4:59 PM EDT | Flash Flood Warning | FFC | Banks, Hall | 4 hr |
| Oct 4, 6:51 PM EDT | Special Weather Statement | FFC | Dawson | 24 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.