Alert archive / Georgia / Flash Flood Warnings in 2013
Flash Flood Warning 70, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 7, 2013, 8:49 AM EDT for Cherokee County, Dawson County, Forsyth County, Georgia. It was in force for 6 hr. 9 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 7, 2013, 8:49 AM EDT (12:49 UTC)
- Expired
- Aug 7, 2013, 2:45 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cherokee County, GA, Dawson County, GA, Forsyth County, GA
The radar
The Atlanta radar (KFFC), 108 km from the middle of the area, began a volume at 12:50 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 7, 8:55 AM EDT | FLASH FLOOD | 1 W Chestatee, GA | GRINDLE ROAD CLOSED DUE TO FLOODING JUST NORTH OF HIGHWAY 306. |
| Aug 7, 8:58 AM EDT | FLASH FLOOD | 1 W Chestatee, GA | GRINDLE ROAD IS REPORTED CLOSED DUE TO WATER OVER THE ROAD. |
| Aug 7, 10:00 AM EDT | HEAVY RAIN 6.91 | Dawsonville, GA | THIS IS A 24 HOUR TOTAL ENDING AT 10 AM THIS MORNING FROM A RAWS SITE. |
| Aug 7, 10:37 AM EDT | FLASH FLOOD | 1 Se Ball Ground, GA | EMERGENCY MANAGER REPORTS THE 911 CENTER IS RECEIVING REPORTS OF FLOODED ROADS IN THE AREA OF BALL GROUND ROAD AND CONNS CREEK ROAD AT HWY 372. |
| Aug 7, 11:00 AM EDT | HEAVY RAIN 7.64 | 5 Se Dawsonville, GA | THIS IS A 24 HOUR TOTAL ENDING AT 11 AM THIS MORNING FROM A RAWS SITE. |
| Aug 7, 11:43 AM EDT | FLASH FLOOD | Dawsonville, GA | MANY ROADS IMPACTED IN DAWSON COUNTY WITH FLASH FLOODING PER THE EM RESULTING IN ALL OF THESE ROADS CLOSED. HERE IS THE LIST...LUMPKIN CAMPGROUND ROAD SOUTH HAS ONE LANE CLOSED FOR TREE REMOVAL...PINE BRIDGE ROAD CLOSED...RIVER ACCESS RAMP AT ETOWAH RIVER THOM |
| Aug 7, 12:00 PM EDT | HEAVY RAIN 8.18 | 5 Se Dawsonville, GA | THIS IS A 24 HOUR TOTAL ENDING AT NOON TODAY FROM A RAWS SITE. |
| Aug 7, 12:12 PM EDT | FLASH FLOOD | 2 Ese Nelson, GA | THE FOLLOWING AREAS IN CHEROKEE COUNTY ARE EXPERIENCING FLASH FLOODING PER THE EM. SPERIN ROAD NEAR CONNS CREEK ROAD FLOODED WITH FIRE UNITS ONLY ABLE TO ACCESS THE AREA FROM THE PICKENS COUNTY SIDE. CONNS CREEK ROAD AREA HAS SEVERAL OUT BUILDINGS WASHED AWAY |
| Aug 7, 12:25 PM EDT | FLASH FLOOD | 6 Sw Cumming, GA | THE STAGE HEIGHT AT A USGS STREAM GAGE ON THE BIG CREEK AT ATLANTA HIGHWAY NEAR CUMMING REACHED FLOOD STAGE OF 6 FEET. THE CREEK CREST AT 7.6 FEET. MINOR FLOODING OCCURRED OF THE BIG CREEK GREENWAY...WOODLANDS AND FIELDS. |
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, 0.8 hours before the alert went out and 106 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
- 1269 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 492 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
319
WGUS52 KFFC 071249
FFWFFC
GAC057-085-117-071845-
/O.NEW.KFFC.FF.W.0070.130807T1249Z-130807T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
849 AM EDT WED AUG 7 2013
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
DAWSON COUNTY IN NORTH CENTRAL GEORGIA
FORSYTH COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 245 PM EDT WEDNESDAY
* AT 839 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN FLASH WHICH WILL LIKELY
PRODUCE FLASH FLOODING ON NUMEROUS CREEKS IN THE WARNED AREA THIS
MORNING. THE STORMS WERE SLOWLY MOVING EAST...BUT HAVE BEEN BACK
BUILDING AND TRAINING OVER THE SAME AREAS. RAINFALL AMOUNTS OF 2
TO 4 INCHES HAVE ALREADY OCCURRED WITH AN ISOLATED 6.5 INCHES IN
SOUTHEAST DAWSON COUNTY. ADDITIONAL RAINFALL AMOUNTS OF ANOTHER 2
INCHES MAY OCCUR THIS MORNING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DAWSONVILLE...FREE HOME...BUFFINGTON AND BALL GROUND.
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 3441 8397 3435 8398 3428 8393 3422 8397
3419 8405 3415 8409 3407 8412 3405 8410
3411 8426 3419 8426 3419 8433 3414 8436
3418 8445 3439 8444 3438 8426 3447 8426
3449 8433 3449 8432 3449 8414
$$
161 follow-up statement
561
WGUS72 KFFC 071452
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1052 AM EDT WED AUG 7 2013
GAC057-085-117-071845-
/O.CON.KFFC.FF.W.0070.000000T0000Z-130807T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE GA-DAWSON GA-FORSYTH GA-
1052 AM EDT WED AUG 7 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
FORSYTH...DAWSON AND EASTERN CHEROKEE COUNTIES...
...SEVERAL ROADS ARE FLOODING RAPIDLY IN NORTHEAST CHEROKEE
COUNTY...
AT 1045 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
SHOW A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN WHICH IS LIKELY
CAUSING FLASH FLOODING ON NUMEROUS CREEKS AND STREAMS IN THE WARNED
AREA. RAINFALL AMOUNTS OF 4 TO 8 INCHES HAVE OCCURRED FROM NEAR
BALL GROUND TO DAWSONVILLE AND DOUGHERTY TO COAL MOUNTAIN. ISOLATED
RAINFALL ESTIMATES OF 10 INCHES HAVE OCCURRED IN THE NORTHEAST
CORNER OF CHEROKEE COUNTY NEAR NELSON WITH ANOTHER INCH OR TWO
POSSIBLE.
FLOOD WATERS ARE MOVING DOWN LONG SWAMP CREEK...SETTINGDOWN
CREEK...CANE CREEK AND THE ETOWAH RIVER AT THIS TIME. PUBLIC REPORTS
OF FLOODED ROADS IN NORTHEAST CHEROKEE COUNTY ARE BEING RECEIVED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3441 8397 3435 8398 3428 8393 3422 8397
3419 8405 3415 8409 3407 8412 3405 8410
3411 8426 3419 8426 3419 8433 3414 8436
3418 8445 3439 8444 3438 8426 3447 8426
3449 8433 3449 8432 3449 8414
$$
16The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:08 PM EDT | Special Weather Statement | FFC | Gordon | 52 min |
| Aug 7, 2:38 AM EDT | Flash Flood Warning | FFC | Dawson, Lumpkin | 6 hr |
| Aug 7, 3:34 AM EDT | Flash Flood Warning | FFC | Cherokee, Dawson, Pickens | 6 hr |
| Aug 7, 5:24 AM EDT | Flash Flood Warning | FFC | Dawson, Gilmer, Pickens | 6 hr |
| Aug 7, 5:30 AM EDT | River Flood Warning | FFC | Dawson, Forsyth | 15 hr |
| Aug 7, 6:06 AM EDT | Flash Flood Watch | FFC | Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 50 more | 48 hr |
| Aug 7, 6:53 AM EDT | River Flood Warning | FFC | Gilmer | 8 hr |
| Aug 7, 7:01 AM EDT | Flash Flood Warning | FFC | Gordon | 6 hr |
| Aug 7, 9:18 AM EDT | River Flood Warning | FFC | Gilmer | 5 hr |
| Aug 7, 9:18 AM EDT | River Flood Warning | FFC | Gilmer | 5 hr |
| Aug 7, 11:05 AM EDT | Special Weather Statement | FFC | Coweta | 55 min |
| Aug 7, 11:14 AM EDT | Flash Flood Warning | FFC | Gilmer, Pickens | 6 hr |
| Aug 7, 11:17 AM EDT | Flash Flood Warning | FFC | Coweta | 6 hr |
| Aug 7, 11:36 AM EDT | Special Weather Statement | FFC | Forsyth | 54 min |
| Aug 7, 11:58 AM EDT | River Flood Warning | FFC | Forsyth | 17 hr |
| Aug 7, 12:13 PM EDT | River Flood Warning | FFC | Cherokee | 28 hr |
| Aug 7, 12:33 PM EDT | Special Weather Statement | FFC | Gwinnett | 57 min |
| Aug 7, 12:57 PM EDT | Special Weather Statement | FFC | Barrow, Jackson, Madison | 78 min |
| Aug 7, 1:26 PM EDT | Special Weather Statement | FFC | Walker | 64 min |
| Aug 7, 1:31 PM EDT | Special Weather Statement | FFC | Banks, Hall | 59 min |
| Aug 7, 2:09 PM EDT | Special Weather Statement | FFC | Clarke, Greene, Madison, Morgan, Oconee, Oglethorpe and 1 more | 66 min |
| Aug 7, 2:40 PM EDT | Areal Flood Warning | FFC | Cherokee | 6 hr |
| Aug 7, 2:54 PM EDT | Special Weather Statement | FFC | Bartow | 66 min |
| Aug 7, 3:03 PM EDT | River Flood Warning | FFC | Cherokee | 25 hr |
| Aug 7, 3:03 PM EDT | River Flood Warning | FFC | Forsyth, Fulton | 43 hr |
| Aug 7, 3:16 PM EDT | Special Weather Statement | FFC | Greene, Oglethorpe, Taliaferro, Wilkes | 59 min |
| Aug 7, 3:25 PM EDT | Special Weather Statement | FFC | Talbot, Upson | 65 min |
| Aug 7, 3:40 PM EDT | Special Weather Statement | FFC | Gordon | 65 min |
| Aug 7, 3:53 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Walker, Whitfield | 67 min |
| Aug 7, 4:18 PM EDT | Special Weather Statement | FFC | Hancock, Taliaferro, Warren | 57 min |
| Aug 7, 4:44 PM EDT | Special Weather Statement | FFC | Baldwin, Bibb, Jones | 61 min |
| Aug 7, 4:57 PM EDT | Areal Flood Warning | FFC | Banks | 12 hr |
| Aug 7, 5:00 PM EDT | Special Weather Statement | FFC | Gilmer, Gordon, Pickens | 45 min |
| Aug 7, 5:04 PM EDT | Special Weather Statement | FFC | Chattooga | 56 min |
| Aug 7, 5:08 PM EDT | Areal Flood Warning | FFC | Gilmer, Pickens | 12 hr |
| Aug 7, 5:28 PM EDT | Special Weather Statement | FFC | Paulding, Polk | 47 min |
| Aug 7, 6:11 PM EDT | Special Weather Statement | FFC | Haralson | 64 min |
| Aug 7, 6:19 PM EDT | Special Weather Statement | FFC | Floyd | 56 min |
| Aug 7, 6:46 PM EDT | Special Weather Statement | FFC | Butts | 59 min |
| Aug 7, 7:31 PM EDT | Special Weather Statement | FFC | Carroll | 59 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.