Alert archive / Georgia / Flash Flood Warnings in 2013

Flash Flood Warning 17, NWS Atlanta, GA

June 5, 2013Clayton County, DeKalb County, Fulton County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 5, 2013, 8:29 PM EDT for Clayton County, DeKalb County, Fulton County, Georgia. It was in force for 4 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
Jun 5, 2013, 8:29 PM EDT (00:29 UTC)
Expired
Jun 6, 2013, 12:30 AM EDT
In force
4 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Clayton County, GA, DeKalb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 45 km from the middle of the area, began a volume at 00:28 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

TimeReportWhereRemark
Jun 5, 9:06 PM EDTFLASH FLOODS College Park, GASOUTHBOUND I85 LANES BLOCKED DUE TO FLOODING. CAMP STREET EXIT LANES BLOCKED DUE TO FLOODING. I285 SOUTHBOUND SOUTH OF CHAMBLEE TUCKER ROAD LANES CLOSED DUE TO FLOODING.
Jun 5, 9:15 PM EDTFLASH FLOOD4 S Atlanta, GATHE SOUTH RIVER CAME OUT OF ITS BANKS NEAR MACON DRIVE AND CAUSED FLOOD WATERS TO SURROUND A HOME. FIRST RESPONDERS WADED THROUGH THE FLOOD WATERS TO RESCUE A PERSON STRANDED IN THE HOME.
Jun 5, 9:21 PM EDTHEAVY RAIN 3.27Atlanta, GA2 HOUR RAINFALL TOTAL THROUGH 9 PM
Jun 5, 10:03 PM EDTFLASH FLOOD5 Nnw Decatur, GAA USGS STREAM GAGE ON NORTH FORK PEACHTREE CREEK AT BUFORD HIGHWAY REACHED FLOOD STAGE OF 13 FEET. THE CREEK CREST AT 13.7 FEET. MINOR FLOODING OCCURRED IN THE BACKYARDS OF RESIDENTIAL HOMES ALONG THE CREEK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.5 hours before the alert went out and 230 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2013-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 429 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2013-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
429 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

021 
WGUS52 KFFC 060029
FFWFFC
GAC063-089-121-060430-
/O.NEW.KFFC.FF.W.0017.130606T0029Z-130606T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
829 PM EDT WED JUN 5 2013

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CLAYTON COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN DEKALB COUNTY IN NORTH CENTRAL GEORGIA
  CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1230 AM EDT

* AT 824 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. RAINFALL 
AMOUNTS OF 2.5 TO 3.0 INCHES HAVE ALREADY FALLEN WITH THIS STORM AND 
ADDITIONAL RAINFALL OF UP TO 1.0 INCHES IS EXPECTED.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUCKHEAD...
  DECATUR...DRUID HILLS...GRANT PARK-ZOO ATLANTA...MIDTOWN...EAST
  POINT AND ATLANTA.

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.

&&

LAT...LON 3389 8436 3387 8422 3356 8438 3355 8454
      3367 8452

$$
30
1 follow-up statement
699 
WGUS72 KFFC 060109
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
909 PM EDT WED JUN 5 2013

GAC063-089-121-060430-
/O.CON.KFFC.FF.W.0017.000000T0000Z-130606T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DEKALB GA-CLAYTON GA-FULTON GA-
909 PM EDT WED JUN 5 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
CENTRAL FULTON...NORTHWESTERN CLAYTON AND WESTERN DEKALB COUNTIES...

AT 905 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A 
THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA INCLUDING 
PARTS OF THE SOUTHWEST METRO ALONG INTERSTATE 85.  ATLANTA AIRPORT 
HAS ALREADY REPORTED OVER 3.23 INCHES IN THE PAST 2 HOURS.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUCKHEAD...
DECATUR...DRUID HILLS...GRANT PARK-ZOO ATLANTA...MIDTOWN AND ATLANTA

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.

&&

LAT...LON 3389 8436 3387 8422 3356 8438 3355 8454
      3367 8452

$$
30

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 8:03 PM EDTSpecial Weather StatementFFCClayton, Fulton42 min
Jun 5, 8:53 PM EDTSpecial Weather StatementFFCBleckley, Laurens52 min
Jun 5, 9:14 PM EDTFlash Flood WarningFFCBleckley, Dodge, Laurens6 hr
Jun 5, 9:20 PM EDTSpecial Weather StatementFFCFayette25 min
Jun 5, 9:28 PM EDTFlash Flood WarningFFCDeKalb, Fulton4 hr
Jun 5, 10:06 PM EDTFlash Flood WarningFFCCoweta, Fayette6 hr
Jun 5, 11:02 PM EDTSpecial Weather StatementFFCHenry58 min
Jun 6, 12:12 AM EDTRiver Flood WarningFFCDeKalb, Fulton3 hr
Jun 6, 12:12 AM EDTRiver Flood WarningFFCDeKalb, Fulton3 hr
Jun 6, 12:21 AM EDTSpecial Weather StatementFFCHenry, Jasper, Newton54 min
Jun 6, 12:25 AM EDTSpecial Weather StatementFFCCrawford, Peach, Taylor65 min
Jun 6, 4:22 AM EDTFlood WatchFFCBaldwin, Bibb, Bleckley, Crawford, Crisp, Dodge and 33 more31 hr
Jun 6, 11:46 AM EDTWind AdvisoryFFCMontgomery, Telfair, Toombs, Wheeler14 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.