Alert archive / Georgia / Flash Flood Warnings in 2013
Flash Flood Warning 33, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 3, 2013, 1:24 PM EDT for 5 counties in 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
- Jul 3, 2013, 1:24 PM EDT (17:24 UTC)
- Expired
- Jul 3, 2013, 7:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carroll County, GA, Cherokee County, GA, Cobb County, GA, Douglas County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 17:28 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 |
|---|---|---|---|
| Jul 3, 2:00 PM EDT | HEAVY RAIN 2.1 | 3 W Atlanta, GA | THIS IS A 6 HOUR TOTAL RECORDED AT FULTON COUNTY AIRPORT FROM 8 AM TO 2 PM. |
| Jul 3, 2:10 PM EDT | FLASH FLOOD | 3 E Smyrna, GA | OVER A FOOT OF WATER WAS OVER THE ROAD AT THE I-75/I-275 INTERCHANGE. |
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, 5.4 hours before the alert went out and 43 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
- 1032 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
377
WGUS52 KFFC 031724
FFWFFC
GAC045-057-067-097-121-032315-
/O.NEW.KFFC.FF.W.0033.130703T1724Z-130703T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
124 PM EDT WED JUL 3 2013
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EXTREME SOUTH CENTRAL CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
COBB COUNTY IN NORTH CENTRAL GEORGIA
DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA
SOUTHEASTERN CARROLL COUNTY IN NORTHWEST GEORGIA
* UNTIL 715 PM EDT
* AT 116 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. 3 TO 4
INCHES OF RAIN HAVE FALLEN ACROSS THE WARNED AREA...ESPECIALLY
ALONG THE CHATTAHOOCHEE RIVER FROM NEAR MORGAN FALLS DOWN INTO
SOUTH CENTRAL FULTON COUNTY NEAR CHATTAHOOCHEE HILLS COUNTRY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SANDY
SPRINGS...ROSWELL...ALPHARETTA...DOUGLASVILLE...LITHIA SPRINGS...
AUSTELL...POWDER SPRINGS...SMYRNA...MARIETTA AND KENNESAW. BASINS
IN THE WARNING INCLUDE TRIBUTARIES OF THE CHATTAHOOCHEE AND UPPER
FLINT RIVERS...INCLUDING SEWELL MILL CREEK..NICKAJACK CREEK...
SWEETWATER CREEK...CEDAR CREEK...BEAR CREEK...AND LINE CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
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. STAY SMART...TURN AROUND DO NOT DROWN!
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 3377 8480 3379 8473 3389 8473 3408 8461
3408 8428 3397 8433 3397 8435 3373 8443
3352 8458 3350 8461 3351 8485 3349 8486
3344 8496 3346 8497
$$2 follow-up statements
979
WGUS72 KFFC 031905
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
305 PM EDT WED JUL 3 2013
GAC045-057-067-097-121-032315-
/O.CON.KFFC.FF.W.0033.000000T0000Z-130703T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL GA-CHEROKEE GA-COBB GA-DOUGLAS GA-FULTON GA-
305 PM EDT WED JUL 3 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
CENTRAL FULTON...DOUGLAS...COBB...EXTREME SOUTH CENTRAL CHEROKEE AND
SOUTHEASTERN CARROLL COUNTIES...
AT 300 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE MODERATE TO HEAVY RAIN OVER THE WARNED AREA. 3 TO 4 INCHES
OF RAIN HAVE FALLEN...GENERALLY ALONG THE CHATTAHOOCHEE RIVER
BETWEEN FULTON...COBB...AND DOUGLAS COUNTIES...EXTENDING SOUTH INTO
SOUTH CENTRAL FULTON COUNTY NEAR CHATTAHOOCHEE HILL COUNTRY. WHILE
THE RAIN IS BEGINNING TO LET UP SOMEWHAT...RAIN SHOULD CONTINUE OFF
AND ON THROUGH THE EVENING WITH AN ADDITIONAL 1 TO 3 INCHES EXPECTED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SANDY
SPRINGS...ROSWELL...ALPHARETTA...DOUGLASVILLE...LITHIA
SPRINGS...AUSTELL...POWDER SPRINGS...SMYRNA...MARIETTA AND KENNESAW.
BASINS IN THE WARNING INCLUDE TRIBUTARIES OF THE CHATTAHOOCHEE AND
UPPER FLINT RIVERS...INCLUDING SEWELL MILL CREEK..NICKAJACK CREEK...
SWEETWATER CREEK...CEDAR CREEK...BEAR CREEK...AND LINE CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
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.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
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 3377 8480 3379 8473 3389 8473 3408 8461
3408 8428 3397 8433 3397 8435 3373 8443
3352 8458 3350 8461 3351 8485 3349 8486
3344 8496 3346 8497
$$405
WGUS72 KFFC 032309
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
709 PM EDT WED JUL 3 2013
GAC045-057-067-097-121-032318-
/O.EXP.KFFC.FF.W.0033.000000T0000Z-130703T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL GA-CHEROKEE GA-COBB GA-DOUGLAS GA-FULTON GA-
709 PM EDT WED JUL 3 2013
...THE FLASH FLOOD WARNING WILL EXPIRE AT 715 PM EDT FOR CENTRAL
FULTON...DOUGLAS...COBB...EXTREME SOUTH CENTRAL CHEROKEE AND
SOUTHEASTERN CARROLL COUNTIES...
THE HEAVY RAIN HAS MOVED OUT OF THE AREA...BUT ADDITIONAL RAINFALL
IS EXPECTED OVERNIGHT. RESIDENTS SHOULD STAY TUNED TO LATEST
FORECASTS AND WARNINGS OVERNIGHT...AND CHECK ROAD CONDITIONS BEFORE
HEADING OUT IN THE MORNING.
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 3377 8480 3379 8473 3389 8473 3408 8461
3408 8428 3397 8433 3397 8435 3373 8443
3352 8458 3350 8461 3351 8485 3349 8486
3344 8496 3346 8497
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 10:30 PM EDT | Special Weather Statement | FFC | Towns | 45 min |
| Jul 2, 10:42 PM EDT | River Flood Warning | FFC | Forsyth, Fulton | 63 hr |
| Jul 2, 11:22 PM EDT | Special Weather Statement | FFC | Murray, Whitfield | 68 min |
| Jul 3, 9:51 AM EDT | Special Weather Statement | FFC | Haralson, Polk | 54 min |
| Jul 3, 10:15 AM EDT | Flash Flood Warning | FFC | Haralson | 2 hr |
| Jul 3, 12:00 PM EDT | Flash Flood Warning | FFC | Coweta, Heard, Troup | 3 hr |
| Jul 3, 12:10 PM EDT | Flash Flood Warning | FFC | Haralson | 6 hr |
| Jul 3, 1:46 PM EDT | Special Weather Statement | FFC | Butts, Monroe | 29 min |
| Jul 3, 2:16 PM EDT | Flash Flood Warning | FFC | Cherokee, Dawson, Fannin, Forsyth, Fulton, Gilmer and 3 more | 6 hr |
| Jul 3, 2:17 PM EDT | River Flood Warning | FFC | Forsyth | 15 hr |
| Jul 3, 2:28 PM EDT | River Flood Warning | FFC | Cobb | 6 hr |
| Jul 3, 2:55 PM EDT | Flash Flood Warning | FFC | Coweta, Heard, Meriwether, Troup | 6 hr |
| Jul 3, 4:12 PM EDT | Special Weather Statement | FFC | Telfair | 33 min |
| Jul 3, 4:28 PM EDT | Flash Flood Warning | FFC | Wilkes | 6 hr |
| Jul 3, 4:31 PM EDT | Flash Flood Warning | FFC | Baldwin, Wilkinson | 6 hr |
| Jul 3, 5:31 PM EDT | Flash Flood Warning | FFC | Banks, Dawson, Hall, Lumpkin, Towns, Union and 1 more | 6 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.