Alert archive / Georgia / River Flood Warnings in 2018

River Flood Warning 3, NWS Atlanta, GA

February 7, 2018Forsyth County, Georgia

NWS Atlanta, GA issued this river flood warning at Feb 7, 2018, 12:09 PM EST for Forsyth County, Georgia. It took effect at Feb 7, 2018, 1:41 PM EST. It was in force for 13 hr.

The area

The outline as issued.

The facts

Issued
Feb 7, 2018, 12:09 PM EST (17:09 UTC)
In effect from
Feb 7, 2018, 1:41 PM EST
Expired
Feb 8, 2018, 2:12 AM EST
In force
13 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
Minor

County Forsyth County, GA

The radar

The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 17:09 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 at GA 9 near Cumming (CMGG1). The gauge peaked at 6.41 ft at Feb 7, 2018, 6:00 PM EST.

actionminormoderate051002/0702/0802/09
Action stage
4 ft
Minor stage
6 ft
Moderate stage
12 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02335580, 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.

907 
WGUS42 KFFC 071709
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1209 PM EST Wed Feb 7 2018

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

  Big Creek near Cumming affecting Forsyth County


.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.

&&

GAC117-080709-
/O.NEW.KFFC.FL.W.0003.180207T1841Z-180208T0712Z/
/CMGG1.1.ER.180207T1841Z.180207T2200Z.180208T0112Z.UU/
1209 PM EST Wed Feb 7 2018

The National Weather Service in Peachtree City has issued a
* Flood Warning for 
  The Big Creek near Cumming.
* From this afternoon until late tonight.
* At 12 PM Wednesday the stage was 5.0 feet...and rising.
* Minor flooding is forecast.
* Flood stage is 6 feet.
* Forecast to rise above flood stage by this afternoon and continue 
  to rise to near 6.3 feet by late this afternoon.The river will fall
  below flood stage by this evening.
* At 6 feet...Flood stage is reached. Minor flooding will expand 
  into the natural flood plain of the creek upstream and downstream 
  from the gage at Atlanta Highway or Georgia Highway 9. Large 
  portions of the sidewalk and boardwalk of the Big Creek Greenway 
  will begin to flood. The areas under the Georgia 400 Highway and 
  McFarland Road will be covered with around one foot of water. A 
  portion of the sidewalk under Majors Road will be covered with 
  around two feet of water. 

&&

LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
      3410 8425 3411 8424             

$$
2 follow-up statements
668 
WGUS82 KFFC 072108
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
408 PM EST Wed Feb 7 2018

...The Flood Warning continues for the following creek in Georgia...
  Big Creek near Cumming affecting Forsyth County 


GAC117-080712-
/O.CON.KFFC.FL.W.0003.000000T0000Z-180208T0712Z/
/CMGG1.1.ER.180207T1955Z.180207T2200Z.180208T0112Z.UU/
408 PM EST Wed Feb 7 2018

The Flood Warning continues for
  The Big Creek near Cumming.
* Until late tonight.
* At 3 PM Wednesday the stage was 6.2 feet...and rising.
* Minor flooding is occurring, and minor flooding is forecast to
  continue.
* Flood stage is 6 feet.
* The river will continue rising to near 6.3 feet by this 
  evening. The river will fall below flood stage late this evening.
* At 6 feet...Flood stage is reached. Minor flooding will expand 
  into the natural flood plain of the creek upstream and downstream 
  from the gage at Atlanta Highway or Georgia Highway 9. Large 
  portions of the sidewalk and boardwalk of the Big Creek Greenway 
  will begin to flood. The areas under the Georgia 400 Highway and 
  McFarland Road will be covered with around one foot of water. A 
  portion of the sidewalk under Majors Road will be covered with 
  around two feet of water. 

&&

LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
      3410 8425 3411 8424             

$$
907 
WGUS82 KFFC 080304
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
1004 PM EST Wed Feb 7 2018

...The Flood Warning is cancelled for the following creek in 
Georgia...
 
  Big Creek near Cumming affecting Forsyth County

 
GAC117-080334-
/O.CAN.KFFC.FL.W.0003.000000T0000Z-180208T0712Z/
/CMGG1.1.ER.180207T1955Z.180207T2245Z.180208T0133Z.UU/
1004 PM EST Wed Feb 7 2018

The Flood Warning is cancelled for
  The Big Creek near Cumming.
* This takes effect immediately.
* At 9PM Wednesday the stage was 5.5 feet...and falling.
* Flood stage is 6.0 feet.
* The creek will continue to fall.
  
&&

LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
      3410 8425 3411 8424             

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 7, 7:34 AM ESTSpecial Weather StatementFFCCarroll, Haralson26 min
Feb 7, 7:40 AM ESTTornado WarningFFCCarroll, Haralson, Paulding35 min
Feb 7, 8:08 AM ESTSpecial Weather StatementFFCDouglas37 min
Feb 7, 8:57 AM ESTSpecial Weather StatementFFCCoweta, Heard, Troup33 min
Feb 7, 9:12 AM ESTTornado WarningFFCCoweta, Heard, Meriwether, Troup13 min
Feb 7, 9:43 AM ESTSpecial Weather StatementFFCFayette, Henry, Spalding32 min
Feb 7, 10:14 AM ESTSpecial Weather StatementFFCHarris, Muscogee46 min
Feb 7, 10:46 AM ESTSpecial Weather StatementFFCChattahoochee, Muscogee, Talbot, Upson29 min
Feb 7, 11:03 AM ESTTornado WarningFFCTalbot, Taylor27 min
Feb 7, 11:18 AM ESTSpecial Weather StatementFFCMacon, Marion, Schley27 min
Feb 7, 11:30 AM ESTSpecial Weather StatementFFCCrawford, Peach, Taylor30 min
Feb 7, 11:43 AM ESTSpecial Weather StatementFFCHouston, Macon, Sumter, Webster47 min
Feb 7, 11:59 AM ESTSpecial Weather StatementFFCPeach31 min
Feb 7, 12:20 PM ESTSpecial Weather StatementFFCBleckley, Crisp, Dooly, Pulaski, Twiggs40 min
Feb 7, 1:00 PM ESTSpecial Weather StatementFFCDodge, Johnson, Laurens30 min
Feb 7, 1:29 PM ESTSpecial Weather StatementFFCEmanuel, Johnson, Montgomery, Toombs, Treutlen, Wheeler46 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.