Alert archive / Georgia / Flash Flood Warnings in 2013
Flash Flood Warning 73, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 8, 2013, 1:00 PM EDT for 9 counties in Georgia. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2013, 1:00 PM EDT (17:00 UTC)
- Expired
- Aug 8, 2013, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clayton County, GA, Cobb County, GA, Coweta County, GA, DeKalb County, GA, Fayette County, GA, Fulton County, GA, Gwinnett County, GA, Henry County, GA, Meriwether County, GA
The radar
The Atlanta radar (KFFC), 50 km from the middle of the area, began a volume at 16:59 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.0 hours before the alert went out and 47 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
- 1205 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- -23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
098
WGUS52 KFFC 081700
FFWFFC
GAC063-067-077-089-113-121-135-151-199-082300-
/O.NEW.KFFC.FF.W.0073.130808T1700Z-130808T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
100 PM EDT THU AUG 8 2013
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLAYTON COUNTY IN NORTH CENTRAL GEORGIA
EASTERN COBB COUNTY IN NORTH CENTRAL GEORGIA
DEKALB COUNTY IN NORTH CENTRAL GEORGIA
FAYETTE COUNTY IN NORTH CENTRAL GEORGIA
FULTON COUNTY IN NORTH CENTRAL GEORGIA
GWINNETT COUNTY IN NORTH CENTRAL GEORGIA
NORTHWESTERN HENRY COUNTY IN NORTH CENTRAL GEORGIA
COWETA COUNTY IN WEST CENTRAL GEORGIA
NORTHWESTERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA
* UNTIL 700 PM EDT
* AT 1254 PM EDT...NATIONAL WEATHER SERVICE DOPPLER INDICATED
MULTIPLE STORMS PRODUCING RAINFALL AMOUNTS OF NEAR 2 INCHES IN ONE
HOUR MOVING NORTHEAST AT 5 MPH. ADDITIONAL RAINFALL AMOUNTS OF UP
TO 2 INCHES ARE LIKELY. THIS WILL BE ENOUGH TO PRODUCE FLASH
FLOODING IN THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CLARKSTON...SUWANEE...SUGAR HILL...SNELLVILLE...REST HAVEN...
NORCROSS...LILBURN...LAWRENCEVILLE...GRAYSON...DULUTH...DACULA...
BUFORD...BERKELEY LAKE...LITHONIA...PINE LAKE...STONE MOUNTAIN...
TUCKER...STOCKBRIDGE...JOHNS CREEK...LOVEJOY...JONESBORO...
FAYETTEVILLE...WOOLSEY...BROOKS...HARALSON AND SENOIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3373 8458 3408 8454 3407 8442 3419 8433
3419 8426 3411 8426 3405 8412 3417 8406
3412 8382 3400 8387 3393 8380 3376 8403
3361 8411 3365 8419 3358 8414 3343 8425
3294 8485 3322 8486 3323 8494 3343 8501
$$3 follow-up statements
526
WGUS72 KFFC 081921
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
321 PM EDT THU AUG 8 2013
GAC077-199-081950-
/O.CAN.KFFC.FF.W.0073.000000T0000Z-130808T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERIWETHER GA-COWETA GA-
321 PM EDT THU AUG 8 2013
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR COWETA AND NORTHERN
MERIWETHER COUNTIES...
RAINFALL AMOUNTS AROUND 2 INCHES NEAR THE SHARPSBURG AREA. OTHER
LOCATIONS IN THE PREVIOUSLY WARNED AREA RECEIVED LESS THAN ONE
INCH.
AT THIS TIME...REDEVELOPMENT OF HEAVY RAIN THAT COULD CAUSE FLASH
FLOODING IS NOT LIKELY IN COWETA AND NORTH MERIWETHER COUNTIES.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
LAT...LON 3374 8458 3407 8454 3407 8442 3419 8433
3419 8426 3412 8426 3405 8412 3416 8406
3412 8382 3400 8387 3393 8380 3376 8403
3361 8412 3365 8419 3357 8415 3343 8425
3326 8449 3340 8461 3350 8461 3354 8483
$$
GAC063-067-089-113-121-135-151-082300-
/O.CON.KFFC.FF.W.0073.000000T0000Z-130808T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COBB GA-DEKALB GA-FAYETTE GA-GWINNETT GA-HENRY GA-CLAYTON GA-
FULTON GA-
321 PM EDT THU AUG 8 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
FULTON...CLAYTON...NORTHWESTERN HENRY...GWINNETT...FAYETTE...DEKALB
AND EASTERN COBB COUNTIES...
AT 306 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SCATTERED THUNDERSTORMS WITH HEAVY RAIN AND LOCALIZED FLASH
FLOODING OVER THE WARNED AREA. ISOLATED RAINFALL AMOUNTS OF 2 TO 3
INCHES IN TWO HOURS HAD OCCURRED NEAR JONESBORO...STOCKBRIDGE...
SNAPFINGER...LILBURN...SMYRNA AND MABLETON.
SEVERAL OF THE ATLANTA METRO AREA CREEKS HAD RAPID RISES...BUT WERE
STILL WITHIN THEIR BANKS AT THIS TIME. THE MOST IMPRESSIVE RISE WAS
ON COBBS CREEK NEAR SNAPFINGER IN SOUTH DEKALB COUNTY. THE CREEK
ROSE EARLIER AROUND 8.5 FEET IN 90 MINUTES AND CREST AT 10.8 FEET.
FLOOD STAGE IS 11 FEET. THE CREEK IS NOW FALLING.
THE WARNING AREA WILL BE MONITORED FOR REDEVELOPMENT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3374 8458 3407 8454 3407 8442 3419 8433
3419 8426 3412 8426 3405 8412 3416 8406
3412 8382 3400 8387 3393 8380 3376 8403
3361 8412 3365 8419 3357 8415 3343 8425
3326 8449 3340 8461 3350 8461 3354 8483
$$
16065
WGUS72 KFFC 082034
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
434 PM EDT THU AUG 8 2013
GAC063-067-089-113-121-151-082105-
/O.CAN.KFFC.FF.W.0073.000000T0000Z-130808T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COBB GA-DEKALB GA-FAYETTE GA-HENRY GA-CLAYTON GA-FULTON GA-
434 PM EDT THU AUG 8 2013
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR FULTON...CLAYTON...
WESTERN HENRY...FAYETTE...DEKALB AND EASTERN COBB COUNTIES...
SCATTERED AREAS RECEIVED 2 TO 3 INCHES OF RAIN IN LESS THAN TWO
HOURS EARLIER THIS AFTERNOON IN THE PREVIOUSLY WARNED AREA.
HOWEVER...NO FLASH FLOODING OF CREEKS AND STREAMS HAS BEEN OBSERVED
OR REPORTED. ADDITIONAL HEAVY RAIN IS NOT EXPECTED SO THE FLASH
FLOOD WARNING WILL BE CANCELLED.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
LAT...LON 3410 8388 3412 8383 3400 8387 3393 8380
3376 8403 3392 8426 3396 8428 3400 8425
3400 8421 3399 8420 3403 8417 3405 8410
3406 8411 3416 8406
$$
GAC135-082300-
/O.CON.KFFC.FF.W.0073.000000T0000Z-130808T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GWINNETT GA-
434 PM EDT THU AUG 8 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
GWINNETT COUNTY...
AT 425 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE RAIN WAS DIMINISHING OVER GWINNETT COUNTY. RAINFALL AMOUNTS
AROUND 2 INCHES IN THE UPPER SWEETWATER CREEK BASIN NEAR LILBURN
HAVE CAUSED THE CREEK TO RISE RAPIDLY.
AT 415 PM EDT...THE STAGE HEIGHT ON SWEETWATER CREEK AT CLUB DRIVE
NEAR LILBURN WAS 9.8 FEET AND RISING. FLOOD STAGE IS 11 FEET. THE
CREEK MAY REACH FLOOD STAGE WITHIN THE NEXT HOUR. MINOR FLOODING
OF THE NORTHWOOD COUNTRY CLUB GOLF COURSE AND THE WOODLANDS NEAR
THE CREEK WILL OCCUR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3410 8388 3412 8383 3400 8387 3393 8380
3376 8403 3392 8426 3396 8428 3400 8425
3400 8421 3399 8420 3403 8417 3405 8410
3406 8411 3416 8406
$$
16524
WGUS72 KFFC 082121
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
521 PM EDT THU AUG 8 2013
GAC135-082131-
/O.CAN.KFFC.FF.W.0073.000000T0000Z-130808T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GWINNETT GA-
521 PM EDT THU AUG 8 2013
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GWINNETT COUNTY...
SCATTERED AREAS RECEIVED 2 TO 3 INCHES OF RAIN IN LESS THAN TWO
HOURS EARLIER THIS AFTERNOON IN THE PREVIOUSLY WARNED AREA.
HOWEVER...NO FLASH FLOODING OF CREEKS AND STREAMS HAS BEEN OBSERVED
OR REPORTED. ADDITIONAL HEAVY RAIN IS NOT EXPECTED SO THE FLASH
FLOOD WARNING WILL BE CANCELLED.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
LAT...LON 3410 8388 3412 8383 3400 8387 3393 8380
3376 8403 3392 8426 3396 8428 3400 8425
3400 8421 3399 8420 3403 8417 3405 8410
3406 8411 3416 8406
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 8:25 PM EDT | Special Weather Statement | FFC | Heard | 65 min |
| Aug 8, 12:10 PM EDT | Special Weather Statement | FFC | Clayton, DeKalb, Fayette | 35 min |
| Aug 8, 12:40 PM EDT | Special Weather Statement | FFC | Clayton, Cobb, Coweta, DeKalb, Fayette, Fulton and 1 more | 80 min |
| Aug 8, 12:44 PM EDT | Special Weather Statement | FFC | Union | 61 min |
| Aug 8, 1:13 PM EDT | Special Weather Statement | FFC | Forsyth, Hall | 77 min |
| Aug 8, 1:23 PM EDT | Special Weather Statement | FFC | Madison | 67 min |
| Aug 8, 1:56 PM EDT | Special Weather Statement | FFC | Carroll, Douglas | 79 min |
| Aug 8, 2:13 PM EDT | Flash Flood Warning | FFC | Banks, Hall, Jackson | 6 hr |
| Aug 8, 2:46 PM EDT | Special Weather Statement | FFC | Cobb, Paulding | 59 min |
| Aug 8, 3:38 PM EDT | Special Weather Statement | FFC | Harris | 52 min |
| Aug 8, 3:42 PM EDT | Special Weather Statement | FFC | Bartow, Haralson, Paulding, Polk | 63 min |
| Aug 8, 3:51 PM EDT | Special Weather Statement | FFC | Catoosa, Walker | 54 min |
| Aug 8, 4:39 PM EDT | Special Weather Statement | FFC | Floyd, Gordon, Polk | 66 min |
| Aug 8, 4:41 PM EDT | Special Weather Statement | FFC | Dade | 64 min |
| Aug 8, 5:43 PM EDT | Special Weather Statement | FFC | Dade | 47 min |
| Aug 8, 6:13 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Walker | 62 min |
| Aug 8, 6:46 PM EDT | Flash Flood Warning | FFC | Dade, Walker | 4 hr |
| Aug 8, 7:02 PM EDT | Special Weather Statement | FFC | Chattooga | 58 min |
| Aug 8, 7:24 PM EDT | Special Weather Statement | FFC | Catoosa, Murray, Whitfield | 66 min |
| Aug 8, 7:29 PM EDT | Flash Flood Warning | FFC | Catoosa | 4 hr |
Nearby
Flash Flood Warnings in Georgia, 2013Every flash flood warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.