Alert archive / Georgia / Flash Flood Warnings in 2013

Flash Flood Warning 34, NWS Atlanta, GA

July 3, 20139 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 3, 2013, 2:16 PM EDT for 9 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, 2:16 PM EDT (18:16 UTC)
Expired
Jul 3, 2013, 8:15 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, Fannin County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Lumpkin County, GA, Pickens County, GA, Union County, GA

The radar

The Atlanta radar (KFFC), 149 km from the middle of the area, began a volume at 18:20 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
Jul 3, 2:35 PM EDTFLOOD8 E Canton, GATHE ROAD IS FLOODED AT CAMPGROUND AND DREW ROAD.
Jul 3, 5:54 PM EDTFLASH FLOOD6 Nw Dawsonville, GAEM REPORTS JOE CHESTER ROAD IS CLOSED DUE TO FLOODING BETWEEN CRANE ROAD AND GA HWY 52.

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, 6.3 hours before the alert went out and 147 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, Peachtre/Fal Fld, GA at 12:00Z on 2013-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1032 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, Peachtre/Fal Fld, GA at 12:00Z on 2013-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 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
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

Open this sounding in Storm Lab

The text

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

505 
WGUS52 KFFC 031816
FFWFFC
GAC057-085-111-117-121-123-187-227-291-040015-
/O.NEW.KFFC.FF.W.0034.130703T1816Z-130704T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
216 PM EDT WED JUL 3 2013

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  DAWSON COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN FANNIN COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN FORSYTH COUNTY IN NORTH CENTRAL GEORGIA
  NORTHEASTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN PICKENS COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN UNION COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 815 PM EDT

* AT 208 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. WIDESPREAD
  2 TO 3 INCHES OF RAIN HAVE FALLEN ACROSS THE AREA...PRIMARILY IN A
  GENERAL LINE FROM JUST NORTH OF MILTON TO JUST SOUTHWEST OF
  BLAIRSVILLE. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES WILL BE
  POSSIBLE OVER THE NEXT SEVERAL HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CUMMING... 
  DAWSONVILLE...SUCHES AND BLAIRSVILLE. RAPID RISES CAN BE EXPECTED
  ALONG THE BIG CREEK...SETTINGDOWN CREEK...COBB CREEK...ETOWAH
  RIVER...SHOAL CREEK...HURRICANE CREEK...AND TRIBUTARIES OF THE
  NOTTELY RIVER IN THE NORTH GEORGIA MOUNTAINS.

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.

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.

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED
ROADS...FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3499 8396 3492 8392 3452 8402 3409 8416
      3408 8459 3500 8426

$$
3 follow-up statements
998 
WGUS72 KFFC 032021
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
421 PM EDT WED JUL 3 2013

GAC057-085-111-117-121-123-187-227-291-040015-
/O.CON.KFFC.FF.W.0034.000000T0000Z-130704T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION GA-PICKENS GA-LUMPKIN GA-CHEROKEE GA-DAWSON GA-FANNIN GA-
FORSYTH GA-GILMER GA-FULTON GA-
421 PM EDT WED JUL 3 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHEASTERN FULTON...EASTERN GILMER...WESTERN FORSYTH...EASTERN
FANNIN...DAWSON...EASTERN CHEROKEE...WESTERN LUMPKIN...EASTERN
PICKENS AND WESTERN UNION COUNTIES...

AT 419 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAIN PRODUCING FLASH FLOODING OVER THE WARNED AREA. 
WIDESPREAD 2 TO 3 INCHES OF RAIN HAVE FALLEN ACROSS THE AREA... 
PRIMARILY IN A GENERAL LINE FROM JUST NORTH OF MILTON TO JUST 
SOUTHWEST OF BLAIRSVILLE. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 
INCHES WILL BE POSSIBLE OVER THE NEXT SEVERAL HOURS.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLY
SPRINGS...FREE HOME...BUFFINGTON...CANTON...BALL GROUND...NELSON... 
JASPER AND MORGANTON. RAPID RISES CAN BE EXPECTED ALONG THE BIG 
CREEK...SETTINGDOWN CREEK...COBB CREEK...ETOWAH RIVER...SHOAL 
CREEK...HURRICANE CREEK...AND TRIBUTARIES OF THE NOTTELY RIVER IN 
THE NORTH GEORGIA MOUNTAINS.

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.

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED
ROADS...FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3499 8396 3492 8392 3452 8402 3409 8416
      3408 8459 3500 8426

$$
313 
WGUS72 KFFC 032114
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
514 PM EDT WED JUL 3 2013

GAC057-085-111-117-121-123-187-227-291-040015-
/O.CON.KFFC.FF.W.0034.000000T0000Z-130704T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION GA-PICKENS GA-LUMPKIN GA-CHEROKEE GA-DAWSON GA-FANNIN GA-
FORSYTH GA-GILMER GA-FULTON GA-
514 PM EDT WED JUL 3 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHEASTERN FULTON...EASTERN GILMER...WESTERN FORSYTH...EASTERN
FANNIN...DAWSON...EASTERN CHEROKEE...WESTERN LUMPKIN...EASTERN
PICKENS AND WESTERN UNION COUNTIES...

AT 506 PM EDT...MODERATE TO HEAVY RAIN CONTINUED OVER MOST OF THE 
WARNED AREA...ESPECIALLY ALONG THE NORTH END OF THE WARNING IN 
UNION...FANNIN...LUMPKIN...AND DAWSON COUNTIES. THE UNION COUNTY 
EMERGENCY MANAGER REPORTED 4.5 INCHES OF RAIN SO FAR...WITH NUMEROUS 
ROADS CLOSED...BRIDGES ON SECONDARY ROADS UNDERWATER...AND WATER UP 
TO THE FOUNDATION OF SOME HOUSES...MAINLY IN THE SUCHES AREA. UNION 
COUNTY EMERGENCY MANAGEMENT IS MONITORING THE SITUATION AND IF IT 
GETS WORSE...THEY WILL MAKE EVERY EFFORT TO RESPOND TO ANY EMERGENCY 
CALL MADE TO THEM. THIS IS A DANGEROUS SITUATION IN THE NORTH 
GEORGIA MOUNTAINS! TAKE APPROPRIATE ACTIONS TO SAVE LIFE AND 
PROPERTY!

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLY
SPRINGS...FREE HOME...BUFFINGTON...CANTON...BALL GROUND... 
NELSON...JASPER AND MORGANTON. WHILE A SHORT BREAK IN RAIN CAN BE 
EXPECTED THROUGH THE EARLY EVENING HOURS...ADDITIONAL RAINFALL CAN 
BE EXPECTED TONIGHT AND TOMORROW. FLOODING CAN BE EXPECTED ALONG THE 
BIG CREEK...SETTINGDOWN CREEK...COBB CREEK...ETOWAH RIVER...SHOAL 
CREEK...HURRICANE CREEK...AND TRIBUTARIES OF THE NOTTELY RIVER IN 
THE NORTH GEORGIA MOUNTAINS.

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.

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED
ROADS...FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3499 8396 3492 8392 3452 8402 3409 8416
      3408 8459 3500 8426

$$
533 
WGUS72 KFFC 040006
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
806 PM EDT WED JUL 3 2013

GAC057-085-111-117-121-123-187-227-291-040016-
/O.EXP.KFFC.FF.W.0034.000000T0000Z-130704T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION GA-PICKENS GA-LUMPKIN GA-CHEROKEE GA-DAWSON GA-FANNIN GA-
FORSYTH GA-GILMER GA-FULTON GA-
806 PM EDT WED JUL 3 2013

...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 PM EDT FOR NORTHEASTERN
FULTON...EASTERN GILMER...WESTERN FORSYTH...EASTERN FANNIN...
DAWSON...EASTERN CHEROKEE...WESTERN LUMPKIN...EASTERN PICKENS AND
WESTERN UNION COUNTIES...

WIDESPREAD HEAVY RAIN AMOUNTS OF 2 TO 5 INCHES HAVE FALLEN ACROSS 
THE AREA. THE RAIN HAS TAPERED OFF FOR THE TIME BEING...BUT 
ADDITIONAL HEAVY RAINFALL IS EXPECTED LATE THIS EVENING AND 
OVERNIGHT. RESIDENTS SHOULD STAY TUNED IN CASE ADDITIONAL WARNINGS 
ARE ISSUED.

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 3499 8396 3492 8392 3452 8402 3409 8416
      3408 8459 3500 8426

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 10:30 PM EDTSpecial Weather StatementFFCTowns45 min
Jul 2, 10:42 PM EDTRiver Flood WarningFFCForsyth, Fulton63 hr
Jul 2, 11:22 PM EDTSpecial Weather StatementFFCMurray, Whitfield68 min
Jul 3, 9:51 AM EDTSpecial Weather StatementFFCHaralson, Polk54 min
Jul 3, 10:15 AM EDTFlash Flood WarningFFCHaralson2 hr
Jul 3, 12:00 PM EDTFlash Flood WarningFFCCoweta, Heard, Troup3 hr
Jul 3, 12:10 PM EDTFlash Flood WarningFFCHaralson6 hr
Jul 3, 1:24 PM EDTFlash Flood WarningFFCCarroll, Cherokee, Cobb, Douglas, Fulton6 hr
Jul 3, 1:46 PM EDTSpecial Weather StatementFFCButts, Monroe29 min
Jul 3, 2:17 PM EDTRiver Flood WarningFFCForsyth15 hr
Jul 3, 2:28 PM EDTRiver Flood WarningFFCCobb6 hr
Jul 3, 2:55 PM EDTFlash Flood WarningFFCCoweta, Heard, Meriwether, Troup6 hr
Jul 3, 4:12 PM EDTSpecial Weather StatementFFCTelfair33 min
Jul 3, 4:28 PM EDTFlash Flood WarningFFCWilkes6 hr
Jul 3, 4:31 PM EDTFlash Flood WarningFFCBaldwin, Wilkinson6 hr
Jul 3, 5:31 PM EDTFlash Flood WarningFFCBanks, Dawson, Hall, Lumpkin, Towns, Union and 1 more6 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.