Alert archive / Georgia / River Flood Warnings in 2018

River Flood Warning 153, NWS Atlanta, GA

December 1, 2018Forsyth County, Fulton County, Georgia

NWS Atlanta, GA issued this river flood warning at Dec 1, 2018, 1:19 PM EST for Forsyth County, Fulton County, Georgia. It took effect at Dec 1, 2018, 7:00 PM EST. It was in force for 30 hr.

The area

The outline as issued.

The facts

Issued
Dec 1, 2018, 1:19 PM EST (18:19 UTC)
In effect from
Dec 1, 2018, 7:00 PM EST
Expired
Dec 3, 2018, 1:17 AM EST
In force
30 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 18:19 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 7.55 ft at Dec 2, 2018, 6:00 PM EST.

actionminormoderate51012/0112/0212/0312/04
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.

682 
WGUS42 KFFC 011819
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
119 PM EST Sat Dec 1 2018

...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.

&&

GAC117-121-020818-
/O.NEW.KFFC.FL.W.0153.181202T0000Z-181202T2000Z/
/APHG1.1.ER.181202T0000Z.181202T0600Z.181202T1400Z.NO/
119 PM EST Sat Dec 1 2018

The National Weather Service in Peachtree City has issued a
* Flood Warning for 
  The Big Creek near Alpharetta.
* From this evening until Sunday afternoon.
* At 1245 PM Saturday the stage was 5.9 feet and rising.
* Minor flooding is forecast to develop.
* Flood stage is 7 feet.
* The creek is forecast to rise above flood stage by this evening and 
  continue rising, reaching near 7.2 feet after midnight early Sunday 
  morning. The creek is forecast to fall below flood stage by late 
  Sunday morning.
* At 6 feet, bankfull conditions are reached along the creek between 
  Cumming in Forsyth County to Alpharetta and Roswell in North Fulton 
  County. Some low lying spots along The Big Creek Greenway will begin 
  to flood with a few inches of water upstream and downstream from the 
  gage on Kimball Bridge Road. Water will begin to enter low portions 
  of the YMCA Campground off Preston Ridge Road.

  At 7 feet, flood Stage is reached with minor flooding in the 
  woodlands and fields beginning 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 also begin to flood.
  

&&

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

$$
4 follow-up statements
035 
WGUS82 KFFC 021304
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
804 AM EST Sun Dec 2 2018

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

 
GAC117-121-030304-
/O.EXT.KFFC.FL.W.0153.000000T0000Z-181203T1942Z/
/APHG1.1.ER.181202T0745Z.181203T0000Z.181203T1342Z.NO/
804 AM EST Sun Dec 2 2018

...Flood Warning extended until Monday afternoon...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until Monday afternoon.
* At 7 AM Sunday the stage was 7.2 feet...and rising.
* Minor flooding is occurring and minor flooding is forecast.
* Flood stage is 7 feet.
* The river will continue rising to near 7.8 feet by this evening. 
  The river will fall below flood stage tomorrow morning.
* At 8 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 Mill 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             

$$
585 
WGUS82 KFFC 021526
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
1026 AM EST Sun Dec 2 2018

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

 
GAC117-121-030525-
/O.EXT.KFFC.FL.W.0153.000000T0000Z-181203T1400Z/
/APHG1.1.ER.181202T0745Z.181203T0000Z.181203T0800Z.NO/
1026 AM EST Sun Dec 2 2018

...Flood Warning extended until Monday morning...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until Monday morning.
* At 9 AM Sunday the stage was 7.2 feet...and rising.
* Minor flooding is occurring and minor flooding is forecast.
* Flood stage is 7 feet.
* The river will continue rising to near 7.3 feet by this evening. 
  The river will fall below flood stage early tomorrow.
* 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.

&&

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

$$
709 
WGUS82 KFFC 030138
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
838 PM EST Sun Dec 2 2018

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

 
GAC117-121-031538-
/O.EXT.KFFC.FL.W.0153.000000T0000Z-181203T1800Z/
/APHG1.1.ER.181202T0745Z.181203T0600Z.181203T1200Z.NO/
838 PM EST Sun Dec 2 2018

...Flood Warning extended until Monday afternoon...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until Monday afternoon.
* At 7 PM Sunday the stage was 7.5 feet...and steady.
* Minor flooding is occurring is forecast to continue.
* Flood stage was 7 feet.
* The river will continue rising to near 7.6 feet by after midnight 
  tomorrow. The river is expected to fall below flood stage tomorrow 
  morning.
* At 8 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 Mill 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             

$$
358 
WGUS82 KFFC 030617
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
117 AM EST Mon Dec 3 2018

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

 
GAC117-121-030647-
/O.CAN.KFFC.FL.W.0153.000000T0000Z-181203T1800Z/
/APHG1.1.ER.181202T0745Z.181203T0015Z.181203T0522Z.NO/
117 AM EST Mon Dec 3 2018

The Flood Warning is cancelled for
  The Big Creek near Alpharetta.
* This takes effect immediately.
* At 1245AM Monday the stage was 6.9 feet...and falling.
* Flood stage is 7.0 feet.
* The creek will continue to fall.

&&

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 2:26 PM ESTRiver Flood WarningFFCGwinnett60 min
Dec 1, 4:39 PM ESTSpecial Weather StatementFFCHaralson, Polk36 min
Dec 1, 6:16 PM ESTRiver Flood WarningFFCForsyth6 hr

Nearby

River Flood Warnings in Georgia, 2018Every river flood warning in 2018

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.