Alert archive / Georgia / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 5, 2011, 2:48 PM EDT for Catoosa County, Dade County, Walker County, Georgia. It was in force for 6 hr. 4 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
- Sep 5, 2011, 2:48 PM EDT (18:48 UTC)
- Expired
- Sep 5, 2011, 8:45 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Catoosa County, GA, Dade County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 82 km from the middle of the area, began a volume at 18:48 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 |
|---|---|---|---|
| Sep 5, 3:30 PM EDT | FLASH FLOOD | Chickamauga, GA | SEVERAL CREEKS IN THE NORTH HALF OF WALKER COUNTY WERE BEGINNING TO OVERFLOW THEIR BANKS AND AFFECT FLOOD PRONE AREAS OF ROADS. |
| Sep 5, 3:30 PM EDT | FLASH FLOOD | Fort Oglethorpe, GA | THE BLACK BRANCH WAS FLOODING THE PARKING LOT OF THE BATTLEWOOD APARTMENTS OFF FANT DRIVE. SOME EVACUATIONS WERE OCCURRING AS THE WATER LEVEL WAS REACHING THE STEPS OF SOME OF THE APARTMENTS. |
| Sep 5, 3:30 PM EDT | FLASH FLOOD | Trenton, GA | SOME CREEKS WERE BEGINNING TO OVERFLOW THEIR BANKS AND CAUSE PORTIONS OF ROADS TO BE FLOODED. A HOUSE NEAR GEORGIA HIGHWAY 136 WAS SURROUNDED BY FLOOD WATERS FROM GULCH CREEK. |
| Sep 5, 5:03 PM EDT | FLASH FLOOD | 2 W Trenton, GA | TRENTON FIRE DEPARTMENT RESCUED A FAMILY TRAPPED IN THEIR HOME BY FLOOD WATERS ON GA HWY 136. |
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, 6.8 hours before the alert went out and 174 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
- 279 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
895
WGUS52 KFFC 051848
FFWFFC
GAC047-083-295-060045-
/O.NEW.KFFC.FF.W.0010.110905T1848Z-110906T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
248 PM EDT MON SEP 5 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CATOOSA COUNTY IN NORTHWEST GEORGIA
DADE COUNTY IN NORTHWEST GEORGIA
WALKER COUNTY IN NORTHWEST GEORGIA
* UNTIL 845 PM EDT
* AT 235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
POTENTIAL FLASH FLOODING FROM HEAVY RAIN ASSOCIATED WITH TROPICAL
DEPRESSION LEE. RAINFALL AMOUNTS OF 3 TO 4 INCHES HAS OCCURRED
OVER THE WARNED AREA SINCE 800 AM EDT THIS MORNING. AN ADDITIONAL
INCH OR TWO IS POSSIBLE BEFORE ENDING LATER TONIGHT.
* NUMEROUS STREAMS AND CREEKS IN THE WARNED AREA HAVE THE
POTENTIAL TO OVERFLOW THEIR BANKS AND CAUSE FLOODING. LOCATIONS IN
THE WARNING INCLUDE BUT ARE NOT LIMITED TO RINGGOLD...FORT
OGLETHORPE...CHICKAMAUGA...LOOKOUT MOUNTAIN AND TRENTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY...THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
&&
LAT...LON 3499 8498 3493 8500 3482 8509 3482 8513
3471 8517 3459 8527 3459 8554 3499 8561
$$
162 follow-up statements
230
WGUS72 KFFC 052029
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
429 PM EDT MON SEP 5 2011
GAC047-083-295-060045-
/O.CON.KFFC.FF.W.0010.000000T0000Z-110906T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WALKER GA-CATOOSA GA-DADE GA-
429 PM EDT MON SEP 5 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
DADE...CATOOSA AND WALKER COUNTIES...
THE CATOOSA COUNTY EMERGENCY DIRECTOR REPORTS THE WATER FROM BLACK
BRANCH WAS FLOODING THE PARKING LOT OF THE BATTLEWOOD APARTMENTS
OFF FANT DRIVE IN FORT OGLETHORPE. SOME EVACUATIONS WERE OCCURRING
AS THE WATER LEVEL WAS REACHING THE STEPS OF SOME OF THE
APARTMENTS.
THE DADE COUNTY DEPUTY EMERGENCY DIRECTOR REPORTS ALL CREEKS WERE
RISING RAPIDLY IN THE COUNTY AND SEVERAL OF THEM WERE BEGINNING TO
FLOOD PORTIONS OF ROADS. BARRICADES ARE IN PLACE. A HOUSE NEAR
GEORGIA HIGHWAY 136 WAS SURROUNDED BY FLOOD WATERS FROM GULCH CREEK.
THE WALKER COUNTY EMERGENCY DIRECTOR REPORTS SEVERAL FLOOD PRONE
CREEKS WERE OVERFLOWING THEIR BANKS AND AFFECTING ROADS. BARRICADES
ARE IN PLACE.
AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
SHOW LIGHT TO MODERATE RAIN OVER THE WARNED AREA. STORM TOTAL
RAINFALL AMOUNTS OF 5 TO 8 INCHES HAVE OCCURRED OVER ALL OF DADE AND
CATOOSA AND THE NORTH HALF OF WALKER COUNTIES SINCE 400 AM EDT THIS
MORNING. ANOTHER INCH OR TWO IS POSSIBLE BEFORE THE RAIN ASSOCIATED
WITH TROPICAL DEPRESSION LEE ENDS BY TUESDAY MORNING.
FLOODING IN THE WARNED AREA WILL CONTINUE THROUGH THE NIGHT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
RINGGOLD...FORT OGLETHORPE...CHICKAMAUGA...LOOKOUT MOUNTAIN AND
TRENTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY...THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT MONDAY EVENING
FOR NORTHERN GEORGIA.
&&
LAT...LON 3499 8498 3493 8500 3482 8509 3482 8513
3471 8517 3459 8527 3459 8554 3499 8561
$$
16559
WGUS72 KFFC 052258
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
658 PM EDT MON SEP 5 2011
GAC047-083-295-060045-
/O.CON.KFFC.FF.W.0010.000000T0000Z-110906T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WALKER GA-CATOOSA GA-DADE GA-
658 PM EDT MON SEP 5 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
DADE...CATOOSA AND WALKER COUNTIES...
THE CATOOSA COUNTY EMERGENCY DIRECTOR REPORTS THE LOWER LEVEL OF
SOME OF THE BATTLEWOOD APARTMENTS OFF FANT DRIVE IN FORT OGLETHORPE
HAVE BEEN FLOODED BY BLACK BRANCH. COUNTY OFFICIALS EVACUATED 33
PEOPLE AND THE AMERICAN RED CROSS IS SETTING UP A SHELTER OVERNIGHT
FOR 16 PEOPLE. THE FLOOD WATERS WILL BE SLOW TO RECEDE IN CATOOSA
COUNTY AS THE WEST AND SOUTH CHICKAMAUGA CREEKS ARE EXPECTED TO RISE
ABOVE FLOOD STAGE DURING THE NIGHT.
THE DADE COUNTY DEPUTY EMERGENCY DIRECTOR REPORTS MOST CREEKS ARE IN
MINOR FLOOD...BUT ARE BEGINNING TO LEVEL OFF. PORTIONS OF ROADS NEAR
THESE CREEKS ARE FLOODED AND BARRICADES REMAIN IN PLACE. AN
ABANDONED HOUSE NEAR GEORGIA HIGHWAY 136 HAD A FLOODED CRAWL SPACE
FROM GULCH CREEK...BUT IT HAD LEVELED OFF.
THE WALKER COUNTY EMERGENCY DIRECTOR REPORTS SEVERAL FLOOD PRONE
CREEKS WERE OVERFLOWING THEIR BANKS AND AFFECTING ROADS. THE WATER
LEVEL APPEARS TO BE NO LONGER RISING...BUT BARRICADES REMAIN IN
PLACE.
AT 645 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
SHOW LIGHT TO MODERATE RAIN OVER THE WARNED AREA. STORM TOTAL
RAINFALL AMOUNTS OF 6 TO 9 INCHES HAVE OCCURRED OVER ALL OF DADE AND
CATOOSA AND THE NORTH HALF OF WALKER COUNTIES SINCE 400 AM EDT THIS
MORNING. ANOTHER INCH IS POSSIBLE BEFORE THE RAIN ASSOCIATED WITH
TROPICAL DEPRESSION LEE ENDS BY TUESDAY MORNING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RINGGOLD...
FORT OGLETHORPE...CHICKAMAUGA...LOOKOUT MOUNTAIN AND TRENTON
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT MONDAY EVENING
FOR NORTHERN GEORGIA.
&&
LAT...LON 3499 8498 3493 8500 3482 8509 3482 8513
3471 8517 3459 8527 3459 8554 3499 8561
$$
16The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 12:21 PM EDT | River Flood Warning | FFC | Dade | 59 hr |
| Sep 5, 12:22 PM EDT | Tornado Warning | FFC | Carroll, Haralson, Paulding | 23 min |
| Sep 5, 12:39 PM EDT | Tornado Warning | FFC | Troup | 36 min |
| Sep 5, 1:14 PM EDT | Tornado Warning | FFC | Heard, Troup | 20 min |
| Sep 5, 1:44 PM EDT | Tornado Warning | FFC | Carroll, Coweta | 31 min |
| Sep 5, 1:55 PM EDT | Tornado Warning | FFC | Douglas | 35 min |
| Sep 5, 2:10 PM EDT | Tornado Warning | FFC | Carroll, Heard | 35 min |
| Sep 5, 2:19 PM EDT | Tornado Warning | FFC | Harris, Muscogee | 41 min |
| Sep 5, 2:27 PM EDT | Tornado Warning | FFC | Cobb, Paulding | 48 min |
| Sep 5, 2:48 PM EDT | Tornado Warning | FFC | Cherokee | 42 min |
| Sep 5, 2:56 PM EDT | Tornado Warning | FFC | Heard, Troup | 34 min |
| Sep 5, 2:58 PM EDT | Tornado Warning | FFC | Harris, Meriwether, Troup | 39 min |
| Sep 5, 3:00 PM EDT | Special Weather Statement | FFC | Bleckley, Pulaski | 30 min |
| Sep 5, 3:18 PM EDT | Tornado Warning | FFC | Carroll, Coweta, Heard | 42 min |
| Sep 5, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Houston, Pulaski, Twiggs | 25 min |
| Sep 5, 3:23 PM EDT | Tornado Warning | FFC | Coweta, Meriwether | 37 min |
| Sep 5, 3:26 PM EDT | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 34 min |
| Sep 5, 3:27 PM EDT | Special Weather Statement | FFC | Telfair, Wheeler | 33 min |
| Sep 5, 3:29 PM EDT | Tornado Warning | FFC | Cherokee, Pickens | 31 min |
| Sep 5, 3:46 PM EDT | Tornado Warning | FFC | Cherokee, Pickens | 44 min |
| Sep 5, 3:50 PM EDT | Tornado Warning | FFC | Coweta, Fayette | 40 min |
| Sep 5, 3:57 PM EDT | Tornado Warning | FFC | Carroll, Cobb, Douglas, Paulding | 48 min |
| Sep 5, 4:01 PM EDT | Tornado Warning | FFC | Dawson, Fannin, Gilmer, Lumpkin, Pickens, Union | 44 min |
| Sep 5, 4:16 PM EDT | Tornado Warning | FFC | Morgan, Oconee | 29 min |
| Sep 5, 4:24 PM EDT | Tornado Warning | FFC | Carroll, Coweta, Douglas, Fulton | 36 min |
| Sep 5, 4:28 PM EDT | Tornado Warning | FFC | Clayton, DeKalb, Fulton, Henry | 47 min |
| Sep 5, 4:34 PM EDT | Tornado Warning | FFC | Jefferson | 20 min |
| Sep 5, 4:35 PM EDT | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 40 min |
| Sep 5, 4:41 PM EDT | Tornado Warning | FFC | Greene, Morgan, Oconee | 49 min |
| Sep 5, 4:43 PM EDT | Tornado Warning | FFC | Clarke, Oconee, Oglethorpe | 47 min |
| Sep 5, 4:49 PM EDT | Tornado Warning | FFC | Cobb, Douglas, Fulton | 41 min |
| Sep 5, 4:57 PM EDT | Special Weather Statement | FFC | Crawford | 48 min |
| Sep 5, 5:02 PM EDT | Tornado Warning | FFC | Crawford | 18 min |
| Sep 5, 5:16 PM EDT | Tornado Warning | FFC | Cherokee, Dawson, Pickens | 44 min |
| Sep 5, 5:16 PM EDT | Tornado Warning | FFC | Madison | 44 min |
| Sep 5, 5:30 PM EDT | Special Weather Statement | FFC | Cobb | 30 min |
| Sep 5, 6:04 PM EDT | Special Weather Statement | FFC | Gwinnett, Hall | 41 min |
| Sep 5, 6:07 PM EDT | Tornado Warning | FFC | Jasper, Jones, Putnam | 24 min |
| Sep 5, 6:57 PM EDT | Special Weather Statement | FFC | Towns | 33 min |
| Sep 5, 7:21 PM EDT | Special Weather Statement | FFC | Cherokee | 39 min |
Nearby
Flash Flood Warnings in Georgia, 2011Every flash flood warning in 2011
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.