Alert archive / Georgia / Flash Flood Warnings in 2013
Flash Flood Warning 94, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 22, 2013, 4:56 PM EDT for Dawson County, Georgia. It was in force for 6 hr. 6 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 22, 2013, 4:56 PM EDT (20:56 UTC)
- Expired
- Aug 22, 2013, 11:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Dawson County, GA
The radar
The Atlanta radar (KFFC), 125 km from the middle of the area, began a volume at 20:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 5:30 PM EDT | FLASH FLOOD | 1 W Lumpkin, GA | THE 911 CALL CENTER REPORTED FLOODING AT GRIZZLE ROAD AND INDUSTRIAL. |
| Aug 22, 5:30 PM EDT | FLASH FLOOD | 2 Sw Lumpkin, GA | THE 911 CENTER REPORTED HARRY SOSEBEE ROAD WAS UNDERWATER. |
| Aug 22, 5:30 PM EDT | FLASH FLOOD | 4 Nnw Dawsonville, GA | THE 911 CENTER REPORTED THAT TANNER HALL ROAD WAS UNDERWATER NEAR THE 600 BLOCK. |
| Aug 22, 5:30 PM EDT | FLASH FLOOD | 4 S Dawsonville, GA | THE 911 CENTER REPORTED ONE CAR OVERTURNED AT HWY 9 AND THE RIVER BRIDGE PUT IN. THE WATER WAS AT THE LEVEL OF THE PARK. |
| Aug 22, 5:30 PM EDT | FLASH FLOOD | 5 Sse Dawsonville, GA | THE 911 CENTER REPORTED FLOODING AT THE BRIDGE ON BLACKS MILL ROAD. THE ROAD WAS IMPASSIBLE. |
| Aug 22, 5:45 PM EDT | FLASH FLOOD | 4 Se Dawsonville, GA | GRIZZLE FARM ROAD IS FLOODED. |
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, 8.9 hours before the alert went out and 123 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
- 824 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 786 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
921
WGUS52 KFFC 222056
FFWFFC
GAC085-230300-
/O.NEW.KFFC.FF.W.0094.130822T2056Z-130823T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
456 PM EDT THU AUG 22 2013
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN DAWSON COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 1100 PM EDT
* AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT TWO TO FOUR INCHES OF RAIN HAS FALLEN ACROSS PORTIONS OF
SOUTHERN DAWSON COUNTY IN THE LAST FEW HOURS. ADDITIONAL RAINFALL
AMOUNTS UP TO AN INCH AND A HALF ARE POSSIBLE. THESE CLUSTER OF
STORMS ARE LOCATED ABOUT 6 MILES NORTHWEST OF DAWSONVILLE..MOVING
SOUTHEAST AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MCKEE...SILVER CITY...DOUGHERTY...LUMPKIN AND WAR HILL PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS...STREAMS AND COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
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. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3447 8411 3445 8406 3434 8396 3433 8426
3447 8426 3447 8432 3449 8433 3449 8414
$$3 follow-up statements
905
WGUS72 KFFC 222233
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
633 PM EDT THU AUG 22 2013
GAC085-230300-
/O.CON.KFFC.FF.W.0094.000000T0000Z-130823T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAWSON GA-
633 PM EDT THU AUG 22 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
SOUTHERN DAWSON COUNTY...
AT 627 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES
THAT TWO TO FOUR INCHES OF RAIN FELL ACROSS SOUTHERN PORTIONS OF
DAWSON COUNTY EARLIER THIS AFTERNOON. LAW ENFORCEMENT OFFICIALS HAVE
RELAYED A COUPLE OF REPORTS OF FLOODED ROADS. CREEKS AND STREAMS MAY
CONTINUE TO RISE THIS EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3447 8411 3445 8406 3434 8396 3433 8426
3447 8426 3447 8432 3449 8433 3449 8414
$$965
WGUS72 KFFC 230116
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
916 PM EDT THU AUG 22 2013
GAC085-230300-
/O.CON.KFFC.FF.W.0094.000000T0000Z-130823T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAWSON GA-
916 PM EDT THU AUG 22 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
SOUTHERN DAWSON COUNTY...
AT 901 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT TWO TO FOUR INCHES OF RAIN FELL ACROSS CENTRAL AND SOUTHERN
PORTIONS OF DAWSON COUNTY EARLIER THIS AFTERNOON. LAW ENFORCEMENT
OFFICIALS HAVE RELAYED A COUPLE OF REPORTS OF FLOODED ROADS.
PORTIONS OF TANNER HALL ROAD NEAR THE 600 BLOCK...BLACKS MILL ROAD
AT THE BRIDGE AND HARRY SOSEBEE ROAD REMAIN CLOSED DUE TO FLOODING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JUNO AND
DAWSONVILLE.
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. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3447 8411 3445 8406 3434 8396 3433 8426
3447 8426 3447 8432 3449 8433 3449 8414
$$141
WGUS72 KFFC 230300
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1100 PM EDT THU AUG 22 2013
GAC085-230304-
/O.EXP.KFFC.FF.W.0094.000000T0000Z-130823T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAWSON GA-
1100 PM EDT THU AUG 22 2013
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1100 PM EDT FOR SOUTHERN
DAWSON COUNTY...
TWO TO FOUR INCHES OF RAIN FELL ACROSS CENTRAL AND SOUTHERN DAWSON
COUNTY DURING THE AFTERNOON. THE RAIN HAS ENDED AND OVERALL THE
FLASH FLOODING HAS COME TO AN END. A FEW ROADWAYS ACROSS THE COUNTY
MAY STILL BE CLOSED DUE TO PREVIOUS PROBLEMS FROM THE HEAVY RAIN.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
LAT...LON 3447 8411 3445 8406 3434 8396 3433 8426
3447 8426 3447 8432 3449 8433 3449 8414
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:10 PM EDT | Special Weather Statement | FFC | Stewart | 50 min |
| Aug 21, 10:26 PM EDT | Special Weather Statement | FFC | Carroll, Douglas | 49 min |
| Aug 21, 11:15 PM EDT | Special Weather Statement | FFC | Douglas | 60 min |
| Aug 22, 2:51 PM EDT | Special Weather Statement | FFC | Banks | 24 min |
| Aug 22, 4:27 PM EDT | Special Weather Statement | FFC | Dawson | 33 min |
| Aug 22, 5:03 PM EDT | Special Weather Statement | FFC | Forsyth | 27 min |
| Aug 22, 5:09 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth, Gwinnett, Hall, Jackson | 51 min |
| Aug 22, 5:37 PM EDT | Special Weather Statement | FFC | Gwinnett | 38 min |
| Aug 22, 5:59 PM EDT | Special Weather Statement | FFC | Bartow | 31 min |
| Aug 22, 6:38 PM EDT | Special Weather Statement | FFC | Floyd | 22 min |
| Aug 22, 7:17 PM EDT | Special Weather Statement | FFC | Bartow | 28 min |
| Aug 22, 7:23 PM EDT | Special Weather Statement | FFC | Washington | 37 min |
| Aug 22, 7:53 PM EDT | Special Weather Statement | FFC | Haralson | 22 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.