Alert archive / Georgia / Flash Flood Warnings in 2016
Flash Flood Warning 11, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 24, 2016, 3:23 PM EDT for Clayton County, Fayette County, Fulton 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
- Aug 24, 2016, 3:23 PM EDT (19:23 UTC)
- Expired
- Aug 24, 2016, 9:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clayton County, GA, Fayette County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 32 km from the middle of the area, began a volume at 19:22 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 |
|---|---|---|---|
| Aug 24, 3:45 PM EDT | FLASH FLOOD | 1 Nw Hapeville, GA | AREAS OF STREET FLOODING WERE REPORTED ON I-85 NORTH OF HARTSFIELD-JACKSON AIRPORT. |
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, 7.4 hours before the alert went out and 32 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
- 137 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
408
WGUS52 KFFC 241923
FFWFFC
GAC063-113-121-250115-
/O.NEW.KFFC.FF.W.0011.160824T1923Z-160825T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
323 PM EDT WED AUG 24 2016
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CLAYTON COUNTY IN NORTH CENTRAL GEORGIA...
NORTHERN FAYETTE COUNTY IN NORTH CENTRAL GEORGIA...
SOUTH CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA...
* UNTIL 915 PM EDT
* AT 322 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ATLANTA...DOUGLASVILLE...FAYETTEVILLE...JONESBORO...
PEACHTREE CITY...EAST POINT...UNION CITY...FOREST PARK...
RIVERDALE...COLLEGE PARK...FAIRBURN...TYRONE...MORROW...
HAPEVILLE...PALMETTO...LAKE CITY...MIDTOWN...
GRANT PARK-ZOO ATLANTA...
HARTSFIELD-JACKSON AIRPORT AND TURNER FIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT
NWSATLANTA.
&&
LAT...LON 3368 8464 3373 8460 3373 8459 3381 8449
3383 8446 3384 8446 3384 8435 3345 8434
3343 8461 3348 8462 3350 8461 3351 8463
3360 8466
$$2 follow-up statements
068
WGUS72 KFFC 242028
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
428 PM EDT WED AUG 24 2016
GAC063-113-121-250115-
/O.CON.KFFC.FF.W.0011.000000T0000Z-160825T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAYTON GA-FAYETTE GA-FULTON GA-
428 PM EDT WED AUG 24 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR
NORTHWESTERN CLAYTON...NORTHERN FAYETTE AND SOUTH CENTRAL FULTON
COUNTIES...
AT 428 PM EDT...HEAVY RAINFALL HAS TAPERED OFF ACROSS MUCH OF THE
WARNED AREA. HOWEVER...UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN.
LOCAL CREEKS AND STREAMS WILL CONTINUE TO BE AFFECTED...EVEN IN
AREAS WHERE HEAVY RAINFALL HAS TAPERED OFF. FLASH FLOODING OF SMALL
CREEKS AND STREAMS REMAINS POSSIBLE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ATLANTA...FAYETTEVILLE...JONESBORO...PEACHTREE CITY...EAST POINT...
UNION CITY...FOREST PARK...RIVERDALE...COLLEGE PARK...FAIRBURN...
TYRONE...MORROW...HAPEVILLE...PALMETTO...LAKE CITY...MIDTOWN...
GRANT PARK-ZOO ATLANTA...HARTSFIELD-JACKSON AIRPORT AND TURNER FIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT
NWSATLANTA.
&&
LAT...LON 3368 8464 3373 8460 3373 8459 3381 8449
3383 8446 3384 8446 3384 8435 3345 8434
3343 8461 3348 8462 3350 8461 3351 8463
3360 8466
$$086
WGUS72 KFFC 242129
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
529 PM EDT WED AUG 24 2016
GAC063-113-121-242139-
/O.CAN.KFFC.FF.W.0011.000000T0000Z-160825T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAYTON GA-FAYETTE GA-FULTON GA-
529 PM EDT WED AUG 24 2016
...THE FLASH FLOOD WARNING FOR NORTHWESTERN CLAYTON...NORTHERN
FAYETTE AND SOUTH CENTRAL FULTON COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3368 8464 3373 8460 3373 8459 3381 8449
3383 8446 3384 8446 3384 8435 3345 8434
3343 8461 3348 8462 3350 8461 3351 8463
3360 8466
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 12:50 PM EDT | Special Weather Statement | FFC | Madison | 40 min |
| Aug 24, 1:26 PM EDT | Special Weather Statement | FFC | DeKalb | 64 min |
| Aug 24, 2:02 PM EDT | Flash Flood Warning | FFC | Clayton, DeKalb, Henry | 6 hr |
| Aug 24, 2:25 PM EDT | Special Weather Statement | FFC | Cobb, Fulton | 65 min |
| Aug 24, 3:50 PM EDT | Special Weather Statement | FFC | Fayette | 55 min |
| Aug 24, 3:53 PM EDT | Special Weather Statement | FFC | Douglas | 67 min |
| Aug 24, 4:13 PM EDT | Flash Flood Warning | FFC | Coweta, Fayette, Meriwether, Spalding | 6 hr |
| Aug 24, 4:26 PM EDT | Special Weather Statement | FFC | Coweta | 64 min |
| Aug 24, 4:54 PM EDT | Special Weather Statement | FFC | Meriwether | 66 min |
Nearby
Flash Flood Warnings in Georgia, 2016Every flash flood warning in 2016
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.