Alert archive / Georgia / River Flood Warnings in 2015

River Flood Warning 43, NWS Atlanta, GA

August 23, 2015Forsyth County, Fulton County, Georgia

NWS Atlanta, GA issued this river flood warning at Aug 23, 2015, 8:55 AM EDT for Forsyth County, Fulton County, Georgia. It took effect at Aug 23, 2015, 10:16 AM EDT. It was in force for 32 hr.

The area

The outline as issued.

The facts

Issued
Aug 23, 2015, 8:55 AM EDT (12:55 UTC)
In effect from
Aug 23, 2015, 10:16 AM EDT
Expired
Aug 24, 2015, 6:00 PM EDT
In force
32 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
Minor

Counties Forsyth County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 83 km from the middle of the area, began a volume at 12:57 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.

The river

Written for the forecast point Big Creek near Alpharetta (APHG1). The gauge peaked at 8.86 ft at Aug 24, 2015, 12:00 AM EDT.

actionminormoderate51008/2308/2408/25
Action stage
6 ft
Minor stage
7 ft
Moderate stage
11 ft
Major stage
13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02335700, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

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

920 
WGUS42 KFFC 231255
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
855 AM EDT SUN AUG 23 2015

...The National Weather Service in Peachtree City has issued a Flood 
Warning for the following rivers in Georgia...

  Big Creek near Alpharetta affecting Forsyth and Fulton Counties


.Recent heavy rainfall has caused significant runoff into streams and
rivers which will cause flooding in some areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

All persons with interests along the river should monitor the latest
forecasts...and be prepared to take necessary precautions to protect
life and property.

The latest stage data was furnished in cooperation with the United 
States Geological Survey.

&&

GAC117-121-240255-
/O.NEW.KFFC.FL.W.0043.150823T1416Z-150824T2200Z/
/APHG1.1.ER.150823T1416Z.150824T0000Z.150824T1600Z.NO/
855 AM EDT SUN AUG 23 2015

The National Weather Service in Peachtree City has issued a
* Flood Warning for 
  The Big Creek near Alpharetta.
* From this morning until Monday evening.
* At 845AM Sunday the stage was 6.6 feet...and rising quickly.
* Minor flooding is forecast.
* Flood stage is 7.0 feet.
* Forecast to rise above flood stage by late this morning and 
  continue to rise to near 8.1 feet by this evening.The river will 
  fall below flood stage by Monday early afternoon.
* At 8.0 feet...Minor flooding continues to expand further into the 
  woodlands and fields along the creek from near Cumming in south 
  Forsyth County to Alpharetta and Roswell in north Fulton County. 
  Additional portions of The Big Creek Greenway have minor flooding 
  with 1 to 2 feet of water. Most of the walking and biking paths 
  will be closed...especially upstream and downstream from the gage 
  on Kimball Bridge Road and near Rock Hill Park. Portions of the 
  YMCA Campground off Preston Ridge Road will flood.

  

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$
6 follow-up statements
635 
WGUS82 KFFC 240056
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
856 PM EDT SUN AUG 23 2015

...The Flood Warning continues for the following rivers in Georgia...
 
  Big Creek near Alpharetta affecting Forsyth and Fulton Counties 

 
GAC117-121-241456-
/O.EXT.KFFC.FL.W.0043.000000T0000Z-150825T0040Z/
/APHG1.1.ER.150823T1447Z.150824T0600Z.150824T1840Z.NO/
856 PM EDT SUN AUG 23 2015

...Flood Warning extended until Monday evening...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until Monday evening.
* At 08PM Sunday the stage was 8.6 feet...and rising.
* Minor flooding is occurring and Minor flooding will continue.
* Flood stage is 7.0 feet.
* The river will continue rising to near 8.8 feet by early Monday 
  morning. The river will fall below flood stage tomorrow early 
  afternoon.
* At 8.0 feet...Minor flooding continues to expand further into the 
  woodlands and fields along the creek from near Cumming in south 
  Forsyth County to Alpharetta and Roswell in north Fulton County. 
  Additional portions of The Big Creek Greenway have minor flooding 
  with 1 to 2 feet of water. Most of the walking and biking paths 
  will be closed...especially upstream and downstream from the gage 
  on Kimball Bridge Road and near Rock Hill Park. Portions of the 
  YMCA Campground off Preston Ridge Road will flood.
  

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$
476 
WGUS82 KFFC 240628
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
228 AM EDT MON AUG 24 2015

...The Flood Warning continues for the following rivers in Georgia...
  Big Creek near Alpharetta affecting Forsyth and Fulton Counties 


GAC117-121-242028-
/O.CON.KFFC.FL.W.0043.000000T0000Z-150825T0040Z/
/APHG1.1.ER.150823T1447Z.150824T0445Z.150824T1840Z.NO/
228 AM EDT MON AUG 24 2015

The Flood Warning continues for
  The Big Creek near Alpharetta.
* Until this evening.
* At 2 AM Monday the stage was 8.8 feet and falling.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 7 feet.
* The river will continue to fall to below flood stage by this 
  afternoon.
* At 9 feet...Minor flooding continues to expand further into the 
  woodlands and fields along the creek from near Cumming in south 
  Forsyth County to Alpharetta and Roswell in north Fulton County. 
  The Big Creek Greenway experiences significant flooding...which 
  results in closure of most of the walking and biking paths. This 
  especially occurs upstream and downstream from the gage on Kimball 
  Bridge Road and Rock Hill Park. A large portion of the YMCA 
  Campground off Preston Ridge Road will be flooded.
  

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$
519 
WGUS82 KFFC 240949
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
549 AM EDT MON AUG 24 2015

...The Flood Warning continues for the following rivers in Georgia...
  Big Creek near Alpharetta affecting Forsyth and Fulton Counties 


GAC117-121-242349-
/O.CON.KFFC.FL.W.0043.000000T0000Z-150825T0040Z/
/APHG1.1.ER.150823T1447Z.150824T0445Z.150824T1840Z.NO/
549 AM EDT MON AUG 24 2015

The Flood Warning continues for
  The Big Creek near Alpharetta.
* Until this evening.
* At 5 AM Monday the stage was 8.7 feet and slowly falling.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 7 feet.
* The river will continue to fall to below flood stage by this 
  afternoon.
* At 9 feet...Minor flooding continues to expand further into the 
  woodlands and fields along the creek from near Cumming in south 
  Forsyth County to Alpharetta and Roswell in north Fulton County. 
  The Big Creek Greenway experiences significant flooding...which 
  results in closure of most of the walking and biking paths. This 
  especially occurs upstream and downstream from the gage on Kimball 
  Bridge Road and Rock Hill Park. A large portion of the YMCA 
  Campground off Preston Ridge Road will be flooded.

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$
168 
WGUS82 KFFC 241415
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1015 AM EDT MON AUG 24 2015

...The Flood Warning continues for the following rivers in Georgia...
 
  Big Creek near Alpharetta affecting Forsyth and Fulton Counties 

 
GAC117-121-250415-
/O.EXT.KFFC.FL.W.0043.000000T0000Z-150825T0431Z/
/APHG1.1.ER.150823T1447Z.150824T0445Z.150824T2231Z.NO/
1015 AM EDT MON AUG 24 2015

...Flood Warning extended until late tonight...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until late tonight.
* At 9AM Monday the stage was 8.4 feet...and falling.
* Minor flooding is occurring and is forecast.
* Flood stage is 7 feet.
* The river will continue to fall to below flood stage by early this 
  evening.

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$
139 
WGUS82 KFFC 241924
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
324 PM EDT MON AUG 24 2015

...The Flood Warning continues for the following rivers in Georgia...
 
  Big Creek near Alpharetta affecting Forsyth and Fulton Counties 

 
GAC117-121-250323-
/O.EXT.KFFC.FL.W.0043.000000T0000Z-150825T0323Z/
/APHG1.1.ER.150823T1447Z.150824T0445Z.150824T2123Z.NO/
324 PM EDT MON AUG 24 2015

...Flood Warning extended until this evening...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until this evening.
* At 2PM Monday the stage was 7.7 feet...and falling.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 7 feet.
* The river will continue to fall to below flood stage by late this 
  afternoon.

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$
900 
WGUS82 KFFC 242110
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
510 PM EDT MON AUG 24 2015

...The Flood Warning is cancelled for the following rivers in 
Georgia...
 
  Big Creek near Alpharetta affecting Forsyth and Fulton Counties

 
GAC117-121-242140-
/O.CAN.KFFC.FL.W.0043.000000T0000Z-150825T0323Z/
/APHG1.1.ER.150823T1447Z.150824T0445Z.150824T2017Z.NO/
510 PM EDT MON AUG 24 2015

The Flood Warning is cancelled for
  The Big Creek near Alpharetta.
* This takes affect immediately.
* At 4 PM Monday the stage was 6.7 feet...and falling.
* Flood stage is 7.0 feet.
* The creek will continue to fall.
* At 7.0 feet...Flood Stage is reached.  Minor flooding of woodlands 
  and fields begin along the creek between Cumming in Forsyth 
  County...to Alpharetta and Roswell in North Fulton County.  
  Flooding starts to effect portions of The Big Creek Greenway near 
  Alpharetta and some portions may become closed with around one foot
  of water...especially upstream and downstream from the gage on 
  Kimball Bridge Road and near Rock Hill Park. Portions of the YMCA 
  Campground off Preston Ridge Road will begin to flood.

  

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this river flood warning went out at Aug 23, 7:21 AM EDT, 1 hour 34 minutes earlier.

Area forecast discussion, Aug 23, 7:21 AM EDT, 1 hour 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
721 AM EDT SUN AUG 23 2015

.PREV DISCUSSION... /ISSUED 352 AM EDT SUN AUG 23 2015/

SHORT TERM /TODAY THROUGH MONDAY NIGHT/...
THERE ARE A FEW SHOWERS AND THUNDERSTORMS LEFT OVER FROM THE
SHORTWAVE THAT MOVED ACROSS THE AREA EARLIER THIS MORNING. THESE
STORMS ARE DIMINISHING BUT ANOTHER SHORTWAVE NOW OVER NORTHERN MS
WILL MAKE ITS WAY EAST INTO N GA LATER THIS MORNING. THIS WAVE IS
DEVELOPING AND THE HI RES MODELS SHOW IT EXPLODING AS IT PUSHES
EAST THROUGH AL AND INTO N GA BY 12-14Z. ALL THE HI RES MODELS ARE
IN GOOD AGREEMENT SHOWING SHOWERS AND THUNDERSTORMS MAINLY OVER N
GA THIS MORNING THEN MOVING SOUTH AND EAST THROUGH THE DAY.
INSTABILITY IS EXPECTED TO BE DECENT ACROSS THE AREA WITH CAPES IN
THE 500 TO 1500 RANGE AND DECENT LAPSE RATES ALSO. LOOKS LIKE THE
BIGGEST THREAT MAY BE THE HEAVY RAIN WITH PWS IN THE 2.0 TO 2.16
RANGE THROUGH 12Z MONDAY. WITH 1 TO 3 INCHES HAVING ALREADY FALLEN
ACROSS N GA THIS MORNING ALREADY...ANY MORE RAIN LATER TODAY MAY
PUSH SOME OF THE RIVERS AND CREEKS OUT OF THEIR BANKS. MAY ALSO
SEE SOME ISOLATED AREAS OF FLASH FLOODING ESPECIALLY IN
FORSYTH...GWINNETT...WHITE AND WALTON COUNTIES WHERE THE LARGEST
RAINFALL AMOUNTS HAVE FALLEN. AS THIS WAVE AND ASSOCIATED STORMS
MOVE EAST OF THE AREA TONIGHT...A LITTLE BIT DRIER AIRMASS MOVES
IN BUT A SECOND FRONTAL SYSTEM MOVES BACK INTO N GA BETWEEN 12-18Z
MONDAY. THIS FRONT IN VERY WEAK AND DOES NOT HAVE MUCH MOISTURE
ASSOCIATED WITH IT. WILL SEE SOME SHRA/TSRA ACTIVITY WITH THIS
FRONTAL PASSAGE BUT NOT EXPECTING ANYTHING SEVERE THROUGH MONDAY
EVENING.

01

LONG TERM /TUESDAY THROUGH SATURDAY/...
MID TO LONG RANGE MODELS SHOW GOOD AGREEMENT WITH A COLD FRONT
PUSHING SOUTH OF THE FORECAST AREA BY TUESDAY AFTERNOON... WITH A
DRIER... MUCH MORE STABLE AIR MASS IN ITS WAKE. THE PREVAILING
NORTHWEST FLOW BEHIND THE FRONT WILL RESULT IN A DRY AND COOLER
FORECAST FOR MUCH OF THE EXTENDED... WITH ONLY A SLIGHT CHANCE OF
CONVECTION OVER THE FAR SOUTHEAST ZONES FOR THURSDAY THROUGH
SATURDAY WHERE THE SEA BREEZE FRONT COULD SPARK A FEW STORMS.
OROGRAPHIC LIFT MAY SPARK A FEW AFTERNOON OR EVENING SHOWERS OR
THUNDERSTORMS IN THE NORTHEAST GEORGIA MOUNTAINS ON FRIDAY AND
SATURDAY. OTHERWISE... THE REST OF THE FORECAST AREA REMAINS POP
FREE. MOS GUIDANCES ARE SHOWING MUCH COOLER LOWS IN THE 60S FOR
MOST AREAS... WHILE HIGHS IN THE MID AND UPPER 80S... WITH SOME
LOWER 90S ARE EXPECTED TO PREVAIL.

39

&&

.AVIATION...
12Z UPDATE...
AN UPPER SHORT WAVE MOVING ACROSS THE AREA THIS MORNING BRINGING
SHOWERS AND THUNDERSTORMS TO N GA. A FEW OF THE TAF SITES SEEING
PRECIPITATION BUT IT IS STILL DEVELOPING SO EXPECT THEM TO ALL SEE
SOME PRECIP BY 12-14Z. CEILINGS SHOULD STAY IN THE VFR TO MVFR
RANGE WITH SOME ISOLATED IFR READINGS IN AND AROUND ANY STRONGER
STORMS. WINDS ARE OUT OF THE E TO SE BUT WILL TURN TO THE W TO NW
BY 14Z. WIND SPEEDS WILL STAY IN THE 5-10KT RANGE.

//ATL CONFIDENCE...12Z UPDATE...
CONFIDENCE MEDIUM TO HIGH ON ALL ELEMENTS.

01

&&

.PRELIMINARY POINT TEMPS/POPS...
ATHENS          88  71  92  69 /  70  40  30  10
ATLANTA         88  73  89  67 /  60  20  30   5
BLAIRSVILLE     83  66  83  58 /  60  20  20   5
CARTERSVILLE    88  70  88  63 /  70  20  20   5
COLUMBUS        91  74  93  70 /  60  20  30  20
GAINESVILLE     86  71  88  67 /  70  30  30   5
MACON           91  73  93  71 /  60  40  30  20
ROME            89  71  88  62 /  70  20  20   5
PEACHTREE CITY  89  71  90  66 /  60  20  30  10
VIDALIA         91  73  94  74 /  60  50  30  20

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SHORT TERM...01
LONG TERM....39
AVIATION...01
Hazardous weather outlook, Aug 23, 3:12 AM EDT, 5 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
312 AM EDT SUN AUG 23 2015

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-240715-
BALDWIN-BANKS-BARROW-BARTOW-BIBB-BLECKLEY-BUTTS-CARROLL-CATOOSA-
CHATTAHOOCHEE-CHATTOOGA-CHEROKEE-CLARKE-CLAYTON-COBB-COWETA-
CRAWFORD-CRISP-DADE-DAWSON-DEKALB-DODGE-DOOLY-DOUGLAS-EMANUEL-
FANNIN-FAYETTE-FLOYD-FORSYTH-GILMER-GLASCOCK-GORDON-GREENE-
GWINNETT-HALL-HANCOCK-HARALSON-HARRIS-HEARD-HENRY-HOUSTON-JACKSON-
JASPER-JEFFERSON-JOHNSON-JONES-LAMAR-LAURENS-LUMPKIN-MACON-
MADISON-MARION-MERIWETHER-MONROE-MONTGOMERY-MORGAN-MURRAY-
MUSCOGEE-NEWTON-NORTH FULTON-OCONEE-OGLETHORPE-PAULDING-PEACH-
PICKENS-PIKE-POLK-PULASKI-PUTNAM-ROCKDALE-SCHLEY-SOUTH FULTON-
SPALDING-STEWART-SUMTER-TALBOT-TALIAFERRO-TAYLOR-TELFAIR-TOOMBS-
TOWNS-TREUTLEN-TROUP-TWIGGS-UNION-UPSON-WALKER-WALTON-WARREN-
WASHINGTON-WEBSTER-WHEELER-WHITE-WHITFIELD-WILCOX-WILKES-
WILKINSON-
312 AM EDT SUN AUG 23 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT...

...SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY...
...A FEW STORMS COULD BE STRONG TO SEVERE...

WEATHER HAZARDS EXPECTED...
THE MAIN STORM THREATS TODAY WILL BE FREQUENT CLOUD TO GROUND
LIGHTNING... STRONG TO POTENTIALLY DAMAGING WIND GUSTS... SMALL
HAIL AND LOCALLY HEAVY RAIN. MINOR FLOODING ALONG LOW LYING...
FLOOD PRONE CREEKS AND ROADWAYS IS POSSIBLE.

DISCUSSION...
A STRONG UPPER DISTURBANCE WILL SPARK SCATTERED TO NUMEROUS SHOWERS
AND THUNDERSTORMS ACROSS NORTH AND CENTRAL GEORGIA TODAY. A FEW
STORMS COULD BECOME STRONG... AND POSSIBLY SEVERE.

THUNDERSTORMS WILL BE POSSIBLE ACROSS NORTH GEORGIA THIS MORNING
AND AFTERNOON... WHILE THE BEST THUNDERSTORM CHANCES ACROSS
CENTRAL GEORGIA WILL BE THIS AFTERNOON AND EVENING. THE UPPER
DISTURBANCE AND THUNDERSTORM THREAT SHOULD PUSH EAST OF THE AREA
BY MIDNIGHT TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

AFTERNOON AND EVENING THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH
TUESDAY FOR MOST OF NORTH AND CENTRAL GEORGIA. EXPECT LOCALLY HEAVY
RAINFALL...GUSTY WINDS AND FREQUENT LIGHTNING TO BE THE MOST LIKELY
HAZARDS. A COLD FRONT WILL PUSH SOUTH OF THE AREA BY TUESDAY
NIGHT... WITH A DRIER MORE STABLE AIR MASS SETTLING OVER THE AREA
INTO SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUESTED BUT SPOTTERS ARE ENCOURAGED
TO SUBMIT REPORTS OF SEVERE WEATHER THROUGH THE WEB BY GOING TO
WEATHER.GOV/ATLANTA.

In the hours before

Special weather statement, Aug 23, 7:44 AM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
744 AM EDT SUN AUG 23 2015

GAZ032-033-043-044-231215-
COBB GA-NORTH FULTON GA-SOUTH FULTON GA-DOUGLAS GA-
744 AM EDT SUN AUG 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN COBB...SOUTHWESTERN
NORTH FULTON...SOUTH FULTON AND DOUGLAS COUNTIES UNTIL 815 AM EDT...

AT 744 AM EDT...A STRONG THUNDERSTORM WAS 7 MILES NORTHWEST OF
FAIRBURN...OR 8 MILES SOUTHEAST OF DOUGLASVILLE...MOVING NORTHEAST AT
30 MPH.

  HAZARD...WINDS UP TO 40 MPH...FREQUENT LIGHTNING AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. ELECTRICAL APPLIANCES SHOULD
           NOT BE USED UNLESS IN AN EMERGENCY. LOCALIZED FLOODING IN
           LOW LYING AND POOR DRAINAGE AREAS IS ALSO LIKELY.
           MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE
           LOSS OF CONTROL DUE TO HYDROPLANING. WHEN WATER COVERS
           THE ROAD...REMEMBER TO TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
ATLANTA...MARIETTA...DOUGLASVILLE...SANDY SPRINGS...SMYRNA...
DUNWOODY...EAST POINT...UNION CITY...VILLA RICA...COLLEGE PARK...
POWDER SPRINGS...FAIRBURN...AUSTELL...HAPEVILLE...PALMETTO...
MIDTOWN...CHATTAHOOCHEE HILL COUNTRY...GRANT PARK-ZOO ATLANTA...
LITHIA SPRINGS AND NORTH ATLANTA.

LAT...LON 3377 8486 3379 8473 3383 8472 3398 8434
      3365 8435 3365 8446 3361 8446 3351 8472
      3376 8490
TIME...MOT...LOC 1144Z 238DEG 24KT 3366 8465
Special weather statement, Aug 23, 7:56 AM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
756 AM EDT SUN AUG 23 2015

GAZ042-052-053-231245-
HEARD GA-COWETA GA-CARROLL GA-
756 AM EDT SUN AUG 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN HEARD...NORTHWESTERN
COWETA AND SOUTHEASTERN CARROLL COUNTIES UNTIL 845 AM EDT...

AT 756 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS EXTENDING FROM
NEAR CARROLLTON TO NEAR EPHESUS...AND MOVING EAST AT 25 MPH.

  HAZARD...FREQUENT LIGHTNING AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY.
           ELECTRICAL APPLIANCES SHOULD NOT BE USED UNLESS IN AN
           EMERGENCY. LOCALIZED FLOODING IN LOW LYING AND POOR
           DRAINAGE AREAS IS ALSO LIKELY. MOTORISTS SHOULD SLOW DOWN
           AND BE PREPARED FOR POSSIBLE LOSS OF CONTROL DUE TO
           HYDROPLANING. WHEN WATER COVERS THE ROAD...REMEMBER TO
           TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
CARROLLTON...FRANKLIN...WHITESBURG...EPHESUS...CENTRALHATCHEE...
ROOPVILLE...LOWELL...POWERS CROSSROADS...TREASURE LAKE...FROLONA...
PLANT WANSLEY...ROOSTERVILLE...HANDY...ABILENE...ARNCO-SARGENT...
BYERS CROSSROADS...DUNAWAY GARDENS...CLEM...ROSCOE AND PLANT YATES.

LAT...LON 3368 8506 3369 8490 3358 8491 3357 8481
      3355 8483 3353 8482 3351 8482 3351 8477
      3325 8495 3329 8527 3335 8528
TIME...MOT...LOC 1156Z 263DEG 22KT 3362 8499 3334 8521
Special weather statement, Aug 23, 8:12 AM EDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
812 AM EDT SUN AUG 23 2015

GAZ031>033-043-044-054-055-231245-
COBB GA-NORTH FULTON GA-PAULDING GA-SOUTH FULTON GA-CLAYTON GA-
FAYETTE GA-DOUGLAS GA-
812 AM EDT SUN AUG 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR COBB...SOUTHWESTERN NORTH
FULTON...SOUTHEASTERN PAULDING...SOUTH FULTON...CLAYTON...NORTHERN
FAYETTE AND NORTHEASTERN DOUGLAS COUNTIES UNTIL 845 AM EDT...

AT 812 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS EXTENDING FROM 6
MILES NORTH OF HIRAM TO 7 MILES WEST OF EAST POINT TO NEAR
FAYETTEVILLE...AND MOVING EAST AT 15 MPH.

  HAZARD...WINDS UP TO 40 MPH...FREQUENT LIGHTNING AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. ELECTRICAL APPLIANCES SHOULD
           NOT BE USED UNLESS IN AN EMERGENCY. LOCALIZED FLOODING IN
           LOW LYING AND POOR DRAINAGE AREAS IS ALSO LIKELY.
           MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE
           LOSS OF CONTROL DUE TO HYDROPLANING. WHEN WATER COVERS
           THE ROAD...REMEMBER TO TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
ATLANTA...MARIETTA...DOUGLASVILLE...FAYETTEVILLE...DALLAS...
JONESBORO...SMYRNA...PEACHTREE CITY...EAST POINT...KENNESAW...
ACWORTH...UNION CITY...FOREST PARK...RIVERDALE...COLLEGE PARK...
POWDER SPRINGS...FAIRBURN...TYRONE...AUSTELL AND MORROW.

LAT...LON 3408 8460 3374 8438 3345 8429 3343 8431
      3343 8435 3339 8436 3338 8457 3366 8468
      3397 8483
TIME...MOT...LOC 1212Z 257DEG 15KT 3397 8473 3370 8456 3340 8446
Special weather statement, Aug 23, 8:37 AM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
837 AM EDT SUN AUG 23 2015

GAZ021-022-032>034-045-046-055-057-231300-
DEKALB GA-HENRY GA-COBB GA-NORTH FULTON GA-CLAYTON GA-GWINNETT GA-
ROCKDALE GA-CHEROKEE GA-FORSYTH GA-
837 AM EDT SUN AUG 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR DEKALB...HENRY...NORTHEASTERN
COBB...NORTH FULTON...NORTHEASTERN CLAYTON...SOUTHWESTERN GWINNETT...
WESTERN ROCKDALE...SOUTHERN CHEROKEE AND SOUTHWESTERN FORSYTH
COUNTIES UNTIL 900 AM EDT...

AT 837 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS EXTENDING FROM
NEAR WOODSTOCK TO NEAR DECATUR TO LOVEJOY...AND MOVING EAST AT 30
MPH.

  HAZARD...FREQUENT LIGHTNING AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY.
           ELECTRICAL APPLIANCES SHOULD NOT BE USED UNLESS IN AN
           EMERGENCY. LOCALIZED FLOODING IN LOW LYING AND POOR
           DRAINAGE AREAS IS ALSO LIKELY. MOTORISTS SHOULD SLOW DOWN
           AND BE PREPARED FOR POSSIBLE LOSS OF CONTROL DUE TO
           HYDROPLANING. WHEN WATER COVERS THE ROAD...REMEMBER TO
           TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
ATLANTA...MCDONOUGH...DECATUR...CONYERS...JONESBORO...SANDY
SPRINGS...ROSWELL...JOHNS CREEK...ALPHARETTA...DUNWOODY...MILTON...
DULUTH...STOCKBRIDGE...WOODSTOCK...FOREST PARK...LILBURN...
CHAMBLEE...NORCROSS...DORAVILLE AND CLARKSTON.

LAT...LON 3382 8404 3355 8402 3352 8405 3352 8404
      3349 8403 3350 8402 3339 8401 3339 8432
      3365 8437 3365 8435 3366 8437 3374 8439
      3410 8453 3420 8422
TIME...MOT...LOC 1237Z 258DEG 26KT 3405 8446 3375 8432 3342 8430
Special weather statement, Aug 23, 8:41 AM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
841 AM EDT SUN AUG 23 2015

GAZ042-052-053-066>068-231330-
HEARD GA-TROUP GA-COWETA GA-CARROLL GA-PIKE GA-MERIWETHER GA-
841 AM EDT SUN AUG 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR HEARD...TROUP...COWETA...
SOUTHEASTERN CARROLL...SOUTHWESTERN PIKE AND MERIWETHER COUNTIES
UNTIL 930 AM EDT...

AT 840 AM EDT...SEVERAL SMALL LINES OF STRONG THUNDERSTORMS WERE
MOVING ACROSS THE ADVISORY AREA MOVING EAST AT 20 TO 30 MPH.

  HAZARD...FREQUENT LIGHTNING AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY.
           ELECTRICAL APPLIANCES SHOULD NOT BE USED UNLESS IN AN
           EMERGENCY. LOCALIZED FLOODING IN LOW LYING AND POOR
           DRAINAGE AREAS IS ALSO LIKELY. MOTORISTS SHOULD SLOW DOWN
           AND BE PREPARED FOR POSSIBLE LOSS OF CONTROL DUE TO
           HYDROPLANING. WHEN WATER COVERS THE ROAD...REMEMBER TO
           TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
NEWNAN...LAGRANGE...CARROLLTON...FRANKLIN...GREENVILLE...PEACHTREE
CITY...TYRONE...PALMETTO...MANCHESTER...SENOIA...HOGANSVILLE...
GRANTVILLE...WOODBURY...LUTHERSVILLE...WHITESBURG...EPHESUS...WARM
SPRINGS...CENTRALHATCHEE...MORELAND AND SHARPSBURG.

LAT...LON 3340 8525 3361 8516 3356 8482 3351 8482
      3351 8462 3350 8461 3346 8463 3340 8461
      3336 8458 3332 8452 3326 8450 3286 8453
      3285 8457 3284 8469 3303 8522 3328 8527
TIME...MOT...LOC 1240Z 286DEG 30KT 3353 8509 3336 8508 3311 8524
Special weather statement, Aug 23, 8:53 AM EDT, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
853 AM EDT SUN AUG 23 2015

GAZ044-054-231330-
SOUTH FULTON GA-FAYETTE GA-
853 AM EDT SUN AUG 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH FULTON AND FAYETTE COUNTIES
UNTIL 930 AM EDT...

AT 852 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS EXTENDING FROM
NEAR CHATTAHOOCHEE HILL COUNTRY TO NEAR TYRONE...AND MOVING NORTHEAST
AT 25 MPH.

  HAZARD...FREQUENT LIGHTNING AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY.
           ELECTRICAL APPLIANCES SHOULD NOT BE USED UNLESS IN AN
           EMERGENCY. LOCALIZED FLOODING IN LOW LYING AND POOR
           DRAINAGE AREAS IS ALSO LIKELY. MOTORISTS SHOULD SLOW DOWN
           AND BE PREPARED FOR POSSIBLE LOSS OF CONTROL DUE TO
           HYDROPLANING. WHEN WATER COVERS THE ROAD...REMEMBER TO
           TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
FAYETTEVILLE...PEACHTREE CITY...UNION CITY...FAIRBURN...TYRONE...
PALMETTO...WOOLSEY...CHATTAHOOCHEE HILL COUNTRY...INMAN...SANDY CREEK
AND CAMPBELLTON.

LAT...LON 3356 8483 3359 8481 3363 8475 3365 8471
      3366 8466 3368 8465 3368 8464 3372 8460
      3336 8439 3333 8439 3336 8459 3344 8463
      3348 8462 3349 8461 3351 8462 3351 8478
      3356 8482
TIME...MOT...LOC 1252Z 239DEG 22KT 3358 8472 3345 8456

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 9:52 PM EDTSpecial Weather StatementFFCForsyth38 min
Aug 22, 10:08 PM EDTSpecial Weather StatementFFCForsyth37 min
Aug 22, 10:16 PM EDTSpecial Weather StatementFFCChattooga44 min
Aug 22, 10:39 PM EDTSpecial Weather StatementFFCForsyth36 min
Aug 22, 10:46 PM EDTSpecial Weather StatementFFCFloyd44 min
Aug 22, 11:00 PM EDTSpecial Weather StatementFFCPickens45 min
Aug 22, 11:09 PM EDTSpecial Weather StatementFFCForsyth, Gwinnett36 min
Aug 22, 11:18 PM EDTSpecial Weather StatementFFCWhite42 min
Aug 22, 11:22 PM EDTSpecial Weather StatementFFCFloyd38 min
Aug 22, 11:35 PM EDTSpecial Weather StatementFFCHall40 min
Aug 22, 11:38 PM EDTSpecial Weather StatementFFCBarrow, Walton37 min
Aug 22, 11:49 PM EDTSpecial Weather StatementFFCForsyth41 min
Aug 22, 11:59 PM EDTSpecial Weather StatementFFCBartow31 min
Aug 23, 12:06 AM EDTSpecial Weather StatementFFCWhite24 min
Aug 23, 12:13 AM EDTSpecial Weather StatementFFCJackson32 min
Aug 23, 12:15 AM EDTSpecial Weather StatementFFCOconee, Walton45 min
Aug 23, 12:22 AM EDTSpecial Weather StatementFFCGwinnett38 min
Aug 23, 12:27 AM EDTSpecial Weather StatementFFCBanks33 min
Aug 23, 12:29 AM EDTSpecial Weather StatementFFCForsyth, Hall31 min
Aug 23, 1:01 AM EDTSpecial Weather StatementFFCDeKalb, Rockdale, Walton29 min
Aug 23, 1:09 AM EDTSpecial Weather StatementFFCOconee36 min
Aug 23, 1:30 AM EDTSpecial Weather StatementFFCMorgan, Rockdale, Walton30 min
Aug 23, 1:54 AM EDTFlash Flood WarningFFCWalton4 hr
Aug 23, 1:57 AM EDTSpecial Weather StatementFFCMorgan, Oconee, Walton33 min
Aug 23, 2:41 AM EDTSpecial Weather StatementFFCGreene34 min
Aug 23, 3:20 AM EDTSpecial Weather StatementFFCGreene, Taliaferro, Warren, Wilkes40 min
Aug 23, 4:15 AM EDTRiver Flood WarningFFCForsyth7 days
Aug 23, 5:44 AM EDTSpecial Weather StatementFFCHaralson, Polk31 min
Aug 23, 6:07 AM EDTSpecial Weather StatementFFCTroup23 min
Aug 23, 6:14 AM EDTRiver Flood WarningFFCGwinnett, Walton7 days
Aug 23, 6:23 AM EDTSpecial Weather StatementFFCHeard37 min
Aug 23, 6:44 AM EDTSpecial Weather StatementFFCCoweta31 min
Aug 23, 6:59 AM EDTSpecial Weather StatementFFCCarroll, Haralson, Polk31 min
Aug 23, 7:15 AM EDTSpecial Weather StatementFFCDouglas30 min
Aug 23, 7:21 AM EDTSpecial Weather StatementFFCPaulding39 min
Aug 23, 7:44 AM EDTSpecial Weather StatementFFCDouglas, Fulton31 min
Aug 23, 7:56 AM EDTSpecial Weather StatementFFCCarroll, Heard49 min
Aug 23, 8:12 AM EDTSpecial Weather StatementFFCClayton, Cobb, Fayette, Fulton33 min
Aug 23, 8:37 AM EDTSpecial Weather StatementFFCDeKalb, Henry23 min
Aug 23, 8:41 AM EDTSpecial Weather StatementFFCCarroll, Coweta, Heard, Meriwether, Troup49 min
Aug 23, 8:53 AM EDTSpecial Weather StatementFFCFayette37 min
Aug 23, 9:02 AM EDTSpecial Weather StatementFFCLamar, Upson28 min
Aug 23, 9:07 AM EDTSpecial Weather StatementFFCDawson, Forsyth, Gwinnett, Henry, Lumpkin, Rockdale38 min
Aug 23, 9:26 AM EDTSpecial Weather StatementFFCCrawford, Lamar, Monroe, Taylor49 min
Aug 23, 9:43 AM EDTSpecial Weather StatementFFCBanks, Barrow, Butts, Clarke, Clayton, DeKalb and 12 more47 min
Aug 23, 10:03 AM EDTSpecial Weather StatementFFCCrawford, Macon, Peach42 min
Aug 23, 10:18 AM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Macon, Peach42 min
Aug 23, 10:26 AM EDTSpecial Weather StatementFFCBaldwin, Clarke, Greene, Jackson, Jasper, Jones and 5 more49 min
Aug 23, 10:37 AM EDTSevere Thunderstorm WarningFFCBibb, Houston, Jones, Peach, Twiggs53 min
Aug 23, 11:05 AM EDTSevere Thunderstorm WarningFFCBaldwin, Bibb, Bleckley, Houston, Jones, Pulaski and 2 more40 min
Aug 23, 11:12 AM EDTSpecial Weather StatementFFCBaldwin, Greene, Hancock, Oconee, Putnam48 min
Aug 23, 11:21 AM EDTSpecial Weather StatementFFCDooly39 min
Aug 23, 11:41 AM EDTSpecial Weather StatementFFCBleckley, Laurens, Wilkinson49 min
Aug 23, 11:52 AM EDTSpecial Weather StatementFFCGlascock, Taliaferro, Warren, Wilkes38 min
Aug 23, 12:03 PM EDTRiver Flood WarningFFCGwinnett9 hr
Aug 23, 12:03 PM EDTSpecial Weather StatementFFCDodge, Pulaski42 min
Aug 23, 12:15 PM EDTSpecial Weather StatementFFCEmanuel, Jefferson, Johnson, Treutlen, Washington60 min
Aug 23, 12:34 PM EDTSpecial Weather StatementFFCGlascock, Warren41 min
Aug 23, 12:44 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Johnson, Washington46 min
Aug 23, 12:49 PM EDTSpecial Weather StatementFFCDodge, Montgomery, Telfair, Wheeler, Wilcox41 min
Aug 23, 1:30 PM EDTSpecial Weather StatementFFCEmanuel, Montgomery, Telfair, Toombs, Treutlen, Wheeler45 min
Aug 23, 2:21 PM EDTSpecial Weather StatementFFCToombs24 min
Aug 23, 3:18 PM EDTSpecial Weather StatementFFCCrisp42 min

Nearby

River Flood Warnings in Georgia, 2015Every river flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.