Alert archive / Georgia / Flash Flood Warnings in 2015
Flash Flood Warning 18, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 18, 2015, 6:15 PM EDT for Morgan County, Oconee County, Georgia. It was in force for 6 hr. 2 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
- Aug 18, 2015, 6:15 PM EDT (22:15 UTC)
- Expired
- Aug 19, 2015, 12:15 AM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morgan County, GA, Oconee County, GA
The radar
The Atlanta radar (KFFC), 122 km from the middle of the area, began a volume at 22:16 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 18, 8:00 PM EDT | FLASH FLOOD | 1 N Salem, GA | GREENBRIAR CREEK IS OVERFLOWING ITS BANKS NEAR THE GEORGIA NATURE CENTER. |
| Aug 18, 9:30 PM EDT | FLASH FLOOD | 1 N Salem, GA | JT ELDER ROAD WAS CLOSED DUE TO HIGH WATER AT GREENBRIER 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 12:00Z, 10.3 hours before the alert went out and 116 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
- 38 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
725
WGUS52 KFFC 182215
FFWFFC
GAC211-219-190415-
/O.NEW.KFFC.FF.W.0018.150818T2215Z-150819T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
615 PM EDT TUE AUG 18 2015
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL MORGAN COUNTY IN NORTH CENTRAL GEORGIA...
SOUTHEASTERN OCONEE COUNTY IN NORTHEASTERN GEORGIA...
* UNTIL 1215 AM EDT WEDNESDAY
* AT 613 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. TWO TO FOUR INCHES OF RAIN HAVE
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOSTWICK...BISHOP...BARNETT SHOALS AND FARMINGTON.
ADDITIONAL RAINFALL AMOUNTS OF OVER AN INCH ARE POSSIBLE IN THE
WARNED AREA.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...LITTLE CREEK...
OCONEE RIVER...ROCKY BRANCH...FREEMAN CREEK...BEAVERDAM CREEK...SHOAL
CREEK...WOLF CREEK...LITTLE SANDY CREEK...JACKS CREEK...APALACHEE
RIVER...LITTLE GREENBRIER CREEK...BIG SANDY CREEK...ROSE CREEK...
WHITLOW CREEK...GREENBRIER CREEK...FALLING CREEK...BIG CREEK...SLAB
CAMP CREEK...PORTERS CREEK...ELLISON CREEK...ROBINSON CREEK AND
LITTLE ROSE CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
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 WARNING AT
NWSATLANTA.
&&
LAT...LON 3381 8330 3381 8329 3380 8329 3379 8328
3376 8328 3375 8329 3373 8330 3366 8355
3375 8356 3379 8353 3385 8328 3384 8328
$$3 follow-up statements
332
WGUS72 KFFC 190016
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
816 PM EDT TUE AUG 18 2015
GAC211-219-190415-
/O.CON.KFFC.FF.W.0018.000000T0000Z-150819T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORGAN GA-OCONEE GA-
816 PM EDT TUE AUG 18 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
WEDNESDAY FOR NORTH CENTRAL MORGAN AND SOUTHEASTERN OCONEE
COUNTIES...
AT 812 PM EDT...DOPPLER RADAR INDICATED 3 TO 5 INCHES OF RAIN FELL
IN THE WARNED AREA. ALTHOUGH THE HEAVY RAIN HAS MOVED OUT OF THE
AREA...CREEKS AND STREAMS IN THE WARNED AREA ARE LIKELY AT OR OVER
BANKFULL. ADDITIONAL LIGHT TO MODERATE RAINFALL IS POSSIBLE IN THE
WARNED AREA BUT ANY ADDITIONAL AMOUNTS SHOULD BE LESS THAN AN INCH.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...GREENBRIER
CREEK...ROSE CREEK...LITTLE ROSE CREEK...ROCKY BRANCH...WOLF
CREEK...JACKS CREEK AND THE APALACHEE RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT
NWSATLANTA.
&&
LAT...LON 3381 8330 3381 8329 3380 8329 3379 8328
3376 8328 3375 8329 3373 8330 3366 8355
3375 8356 3379 8353 3385 8328 3384 8328
$$468
WGUS72 KFFC 190022 CCA
FFSFFC
FLASH FLOOD STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
822 PM EDT TUE AUG 18 2015
GAC211-219-190415-
/O.COR.KFFC.FF.W.0018.000000T0000Z-150819T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORGAN GA-OCONEE GA-
822 PM EDT TUE AUG 18 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR
NORTH CENTRAL MORGAN AND SOUTHEASTERN OCONEE COUNTIES...
AT 819 PM EDT...DOPPLER RADAR INDICATED 3 TO 5 INCHES OF RAIN FELL
IN THE WARNED AREA. ALTHOUGH THE HEAVY RAIN HAS MOVED OUT OF THE
AREA...CREEKS AND STREAMS IN THE WARNED AREA ARE LIKELY AT OR OVER
BANKFULL. ADDITIONAL LIGHT TO MODERATE RAINFALL IS POSSIBLE IN THE
WARNED AREA BUT ANY ADDITIONAL AMOUNTS SHOULD BE LESS THAN AN INCH.
GREENBRIER CREEK HAS BEEN REPORTED TO BE OUT OF ITS BANKS AROUND THE
GEORGIA NATURE CENTER.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...GREENBRIER
CREEK...ROSE CREEK...LITTLE ROSE CREEK...ROCKY BRANCH...WOLF
CREEK...JACKS CREEK AND THE APALACHEE RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
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 3381 8330 3381 8329 3380 8329 3379 8328
3376 8328 3375 8329 3373 8330 3366 8355
3375 8356 3379 8353 3385 8328 3384 8328
$$205
WGUS72 KFFC 190411
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1211 AM EDT WED AUG 19 2015
GAC211-219-190417-
/O.EXP.KFFC.FF.W.0018.000000T0000Z-150819T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORGAN GA-OCONEE GA-
1211 AM EDT WED AUG 19 2015
...THE FLASH FLOOD WARNING FOR NORTH CENTRAL MORGAN AND SOUTHEASTERN
OCONEE COUNTIES WILL EXPIRE AT 1215 AM EDT...
FLOOD WATERS ON SMALL CREEKS AND STREAMS HAVE CRESTED OR RECEDED
...AND NO LONGER EXPECTED TO POSE AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. HOWEVER...A FLOOD WARNING REMAINS IN EFFECT FOR THE AREA
DUE TO CONTINUED INUNDATION OF FLOODED AREAS...INCLUDING THE
GREENBRIER CREEK. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES AND BE
ON THE LOOKOUT FOR OTHER CREEKS AND STREAMS NEARING BANKFULL.
LAT...LON 3381 8330 3381 8329 3380 8329 3379 8328
3376 8328 3375 8329 3373 8330 3366 8355
3375 8356 3379 8353 3385 8328 3384 8328
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:01 PM EDT | Special Weather Statement | FFC | Clarke, Oconee | 44 min |
| Aug 17, 8:15 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Barrow, Jackson, Madison | 45 min |
| Aug 17, 8:25 PM EDT | Special Weather Statement | FFC | Forsyth, Hall | 50 min |
| Aug 17, 8:44 PM EDT | Special Weather Statement | FFC | Clarke, Madison, Oconee | 46 min |
| Aug 17, 9:31 PM EDT | Special Weather Statement | FFC | Clarke, Madison, Oconee, Oglethorpe | 59 min |
| Aug 17, 10:45 PM EDT | Special Weather Statement | FFC | Greene, Morgan | 60 min |
| Aug 18, 1:43 PM EDT | Special Weather Statement | FFC | Gwinnett | 32 min |
| Aug 18, 2:10 PM EDT | Special Weather Statement | FFC | Hall | 35 min |
| Aug 18, 2:53 PM EDT | Special Weather Statement | FFC | Jackson | 37 min |
| Aug 18, 3:20 PM EDT | Special Weather Statement | FFC | Dooly, Macon, Schley | 25 min |
| Aug 18, 3:52 PM EDT | Special Weather Statement | FFC | Pike | 23 min |
| Aug 18, 3:56 PM EDT | Special Weather Statement | FFC | Talbot | 34 min |
| Aug 18, 4:11 PM EDT | Special Weather Statement | FFC | Pickens | 34 min |
| Aug 18, 4:16 PM EDT | Special Weather Statement | FFC | Lamar | 29 min |
| Aug 18, 4:18 PM EDT | Special Weather Statement | FFC | Forsyth | 27 min |
| Aug 18, 4:28 PM EDT | Special Weather Statement | FFC | Crawford | 32 min |
| Aug 18, 4:36 PM EDT | Special Weather Statement | FFC | Pickens | 24 min |
| Aug 18, 4:53 PM EDT | Special Weather Statement | FFC | Forsyth | 37 min |
| Aug 18, 4:57 PM EDT | Special Weather Statement | FFC | Bibb, Crawford | 33 min |
| Aug 18, 4:59 PM EDT | Special Weather Statement | FFC | Dodge | 31 min |
| Aug 18, 5:04 PM EDT | Special Weather Statement | FFC | Cherokee, Dawson | 26 min |
| Aug 18, 5:18 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth, Fulton, Gwinnett | 27 min |
| Aug 18, 5:23 PM EDT | Special Weather Statement | FFC | Meriwether | 37 min |
| Aug 18, 5:28 PM EDT | Special Weather Statement | FFC | Oconee | 32 min |
| Aug 18, 5:43 PM EDT | Special Weather Statement | FFC | Jones, Putnam | 47 min |
| Aug 18, 5:45 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Gwinnett | 30 min |
| Aug 18, 6:03 PM EDT | Special Weather Statement | FFC | Oconee | 27 min |
| Aug 18, 6:18 PM EDT | Special Weather Statement | FFC | Barrow, DeKalb, Jackson | 27 min |
| Aug 18, 6:26 PM EDT | Special Weather Statement | FFC | Taliaferro | 49 min |
| Aug 18, 6:33 PM EDT | Special Weather Statement | FFC | Oglethorpe | 42 min |
| Aug 18, 6:44 PM EDT | Special Weather Statement | FFC | Montgomery, Treutlen | 46 min |
| Aug 18, 6:45 PM EDT | Special Weather Statement | FFC | Barrow, DeKalb | 30 min |
| Aug 18, 7:13 PM EDT | Special Weather Statement | FFC | Oglethorpe, Wilkes | 62 min |
| Aug 18, 7:15 PM EDT | Special Weather Statement | FFC | Barrow | 30 min |
| Aug 18, 7:38 PM EDT | Special Weather Statement | FFC | Toombs | 37 min |
Nearby
Flash Flood Warnings in Georgia, 2015Every flash flood warning in 2015
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.