Alert archive / Georgia / River Flood Warnings in 2018

River Flood Warning 101, NWS Atlanta, GA

November 9, 2018Forsyth County, Fulton County, Georgia

NWS Atlanta, GA issued this river flood warning at Nov 9, 2018, 2:01 PM EST for Forsyth County, Fulton County, Georgia. It took effect at Nov 10, 2018, 1:00 AM EST. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 9, 2018, 2:01 PM EST (19:01 UTC)
In effect from
Nov 10, 2018, 1:00 AM EST
Expired
Nov 10, 2018, 6:41 AM EST
In force
6 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 19:01 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 6.63 ft at Nov 10, 2018, 1:00 AM EST.

actionminormoderate51011/0911/1011/11
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.

747 
WGUS42 KFFC 091901
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
201 PM EST Fri Nov 9 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.

&&

GAC117-121-100900-
/O.NEW.KFFC.FL.W.0101.181110T0600Z-181111T0040Z/
/APHG1.1.ER.181110T0600Z.181110T1800Z.181110T1840Z.NO/
201 PM EST Fri Nov 9 2018

The National Weather Service in Peachtree City has issued a
* Flood Warning for 
  The Big Creek near Alpharetta.
* From late tonight until Saturday evening.
* At 145 PM Friday the stage was 6.5 feet, and rising.
* Minor flooding is forecast to develop.
* Flood stage is 7 feet.
* The creek is forecast to rise above flood stage by early Saturday 
  morning, then continue rising, reaching near 7.1 feet by early 
  Saturday afternoon. The creek will fall below flood stage later 
  Saturday afternoon.
* 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 of woodlands 
  and fields beginning along the creek between Cumming in Forsyth 
  County to Alpharetta and Roswell in North Fulton County. Flooding 
  will 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
920 
WGUS82 KFFC 100034
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
734 PM EST Fri Nov 9 2018

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


GAC117-121-101433-
/O.CON.KFFC.FL.W.0101.181110T0600Z-181111T0040Z/
/APHG1.1.ER.181110T0600Z.181110T1800Z.181110T1840Z.NO/
734 PM EST Fri Nov 9 2018

The Flood Warning continues for
  The Big Creek near Alpharetta.
* From after midnight tomorrow until Saturday evening.
* At 76PM Friday the stage was 6.5 feet...and rising.
* Minor flooding is forecast.
* Flood stage is 7 feet.
* Forecast to rise above flood stage by after midnight tomorrow and 
  continue to rise to near 7.1 feet by tomorrow early afternoon.The 
  river will fall below flood stage by tomorrow early afternoon.
* 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             

$$
534 
WGUS82 KFFC 100037 CCA
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
734 PM EST Fri Nov 9 2018

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


GAC117-121-101433-
/O.COR.KFFC.FL.W.0101.181110T0600Z-181111T0040Z/
/APHG1.1.ER.181110T0600Z.181110T1800Z.181110T1840Z.NO/
734 PM EST Fri Nov 9 2018

The Flood Warning continues for
  The Big Creek near Alpharetta.
* From after midnight tomorrow until Saturday evening.
* At 7PM Friday the stage was 6.5 feet...and rising.
* Minor flooding is forecast.
* Flood stage is 7 feet.
* Forecast to rise above flood stage by after midnight tomorrow and 
  continue to rise to near 7.1 feet by tomorrow early afternoon.The 
  river will fall below flood stage by tomorrow early afternoon.
* 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             

$$
650 
WGUS82 KFFC 100854
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
354 AM EST Sat Nov 10 2018

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


GAC117-121-102254-
/O.CON.KFFC.FL.W.0101.000000T0000Z-181111T0040Z/
/APHG1.1.ER.181110T1200Z.181110T1800Z.181110T1840Z.NO/
354 AM EST Sat Nov 10 2018

The Flood Warning continues for The Big Creek near Alpharetta.
* From this morning until this evening.
* At 3 AM Saturday the stage was 6.6 feet...and rising.
* Nonflood flooding is occurring and Minor flooding is forecast.
* Flood stage is 7 feet.
* Forecast to rise above flood stage by this morning and continue to 
  rise to near 7.1 feet by this afternoon.The river will fall below 
  flood stage by this afternoon.
* 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             

$$
120 
WGUS82 KFFC 101141
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
641 AM EST Sat Nov 10 2018

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

 
GAC117-121-101211-
/O.CAN.KFFC.FL.W.0101.000000T0000Z-181111T0040Z/
/APHG1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
641 AM EST Sat Nov 10 2018

The Flood Warning is cancelled for The Big Creek near Alpharetta.
* This takes effect immediately.
* Until this evening.
* At 5 AM Saturday the stage was 6.5 feet...and falling.
* Flood stage is 7 feet.
* The creek/river will continue to fall.
* 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             

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 9, 4:10 AM ESTFreeze WatchFFCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 43 more30 hr
Nov 9, 4:10 AM ESTFreeze WarningFFCBartow, Carroll, Catoosa, Chattooga, Cherokee, Dade and 16 more30 hr
Nov 9, 5:09 PM ESTSpecial Weather StatementFFCDooly36 min

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.