River Flood Warning 113, NWS Atlanta, GA

Issued

Sep 17, 2023, 10:50 AM EDT (14:50 UTC)

In effect from

Sep 17, 2023, 5:00 PM EDT

Expired

Sep 17, 2023, 9:17 PM EDT

In force

4 hr

Issued by

NWS Atlanta, GA

Area

Storm-based polygon

Flood severity

Minor

Counties Forsyth County, GA, Fulton County, GA

The Atlanta radar (KFFC), 83 km from the middle of the area, began a volume at 14:50 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.

Written for the forecast point Big Creek near Alpharetta (APHG1). The gauge peaked at 6.48 ft at Sep 17, 2023, 10:00 PM EDT.

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.

918 
WGUS42 KFFC 171450
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1050 AM EDT Sun Sep 17 2023

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

  Big Creek near Alpharetta affecting Fulton and Forsyth Counties.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

The next statement will be issued this evening at 1100 PM EDT.

&&

GAC117-121-180300-
/O.NEW.KFFC.FL.W.0113.230917T2100Z-230918T1400Z/
/APHG1.1.ER.230917T2100Z.230918T0600Z.230918T0800Z.NO/
1050 AM EDT Sun Sep 17 2023

...FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO LATE MONDAY 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Big Creek near Alpharetta.

* WHEN...From this afternoon to late Monday morning.

* IMPACTS...At 7 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 Mill Park. Portions of the YMCA 
  Campground off Preston Ridge Road will begin to flood.

* ADDITIONAL DETAILS...
  - At 10:30 AM EDT Sunday the stage was 6.4 feet.
  - Forecast...The river is expected to rise above flood stage
    late this afternoon to a crest of 7.2 feet just after
    midnight tonight. It will then fall below flood stage early
    Monday morning.
  - Flood stage is 7 feet.


&&

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


$$

633 
WGUS82 KFFC 180103
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
903 PM EDT Sun Sep 17 2023

...The Flood Warning continues for the following rivers in Georgia...

  Big Creek near Alpharetta affecting Forsyth and Fulton Counties.



For the Big Creek...including Alpharetta...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at weather.gov/atlanta.

The next statement will be issued Monday morning at 1000 AM EDT.

&&

GAC117-121-181400-
/O.CON.KFFC.FL.W.0113.000000T0000Z-230918T1400Z/
/APHG1.1.ER.230918T0428Z.230918T0600Z.230918T0800Z.NO/
903 PM EDT Sun Sep 17 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TOMORROW MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Big Creek near Alpharetta.

* WHEN...Until late tomorrow morning.

* IMPACTS...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 Mill Park. Portions 
  of the YMCA Campground off Preston Ridge Road will begin to flood.

* ADDITIONAL DETAILS...
  - At 8:45 PM EDT Sunday the stage was 6.5 feet and rising.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 7.2 feet just after
    midnight tonight. It will then fall below flood stage late
    tonight.
  - Flood stage is 7 feet.
  - Flood History...This crest compares to a previous crest of
    7.2 feet on 05/19/2003.
  - http://www.weather.gov/safety/flood

&&

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


$$

923 
WGUS82 KFFC 180117
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
917 PM EDT Sun Sep 17 2023

...The Flood Warning is cancelled for the following rivers in 
Georgia...

  Big Creek near Alpharetta affecting Forsyth and Fulton Counties.



GAC117-121-180230-
/O.CAN.KFFC.FL.W.0113.000000T0000Z-230918T0117Z/
/APHG1.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
917 PM EDT Sun Sep 17 2023

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Big Creek near Alpharetta.

* ADDITIONAL DETAILS...
  - At 9:00 PM EDT Sunday the stage was 6.4 feet and rising
    slowly.
  - Forecast...The river is expected to rise to a crest of 6.7
    feet just after midnight tonight.
  - http://www.weather.gov/safety/flood

&&

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


$$

River Flood Warnings in Georgia, 2023Every river flood warning in 2023

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.