Alert archive / Georgia / River Flood Warnings in 2012

River Flood Warning 12, NWS Atlanta, GA

October 1, 2012Forsyth County, Georgia

NWS Atlanta, GA issued this river flood warning at Oct 1, 2012, 6:22 PM EDT for Forsyth County, Georgia. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Oct 1, 2012, 6:22 PM EDT (22:22 UTC)
Expired: Oct 2, 2012, 10:13 AM EDT
In force: 16 hr
Issued by: NWS Atlanta, GA
Flood severity: Minor

County Forsyth County, GA

The radar

The Atlanta radar (KFFC), 104 km from the middle of the area, began a volume at 22:24 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 6.84 ft at Oct 2, 2012, 4:00 AM EDT.

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, in the capitals the NWS used until 2016.

711 
WGUS42 KFFC 012222
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
622 PM EDT MON OCT 1 2012

...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.

&&

GAC117-021222-
/O.NEW.KFFC.FL.W.0012.121001T2222Z-000000T0000Z/
/CMGG1.1.ER.121001T2145Z.121001T2145Z.000000T0000Z.UU/
622 PM EDT MON OCT 1 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLOOD WARNING FOR 
  THE BIG CREEK NEAR CUMMING
* FROM THIS EVENING UNTIL FURTHER NOTICE.
* AT 6 PM MONDAY THE STAGE WAS 5.56 FEET...AND RISING. 
* FLOOD STAGE IS 6.0 FEET. 
* AT 6.0 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. 
* THIS CREST COMPARES TO A PREVIOUS CREST OF 6.1 FEET ON APR 5 2011.  

$$

3 follow-up statements

613 
WGUS82 KFFC 012329
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
729 PM EDT MON OCT 1 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN GEORGIA...
  BIG CREEK NEAR CUMMING AFFECTING FORSYTH COUNTY 


GAC117-021329-
/O.CON.KFFC.FL.W.0012.000000T0000Z-000000T0000Z/
/CMGG1.1.ER.121001T2145Z.121001T2145Z.000000T0000Z.UU/
729 PM EDT MON OCT 1 2012

THE FLOOD WARNING CONTINUES FOR
  THE BIG CREEK NEAR CUMMING
* AT 6PM MONDAY THE STAGE WAS 6.0 FEET...AND RISING.
* MINOR FLOODING IS OCCURRING. 
* FLOOD STAGE IS 6.0 FEET. 
* BIG CREEK IS EXPECTED TO CREST AT 6.1 FEET AND SHOULD FALL BELOW 
  FLOOD STAGE BY MIDNIGHT.
* AT 6.0 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. AREAS UNDER 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. 
* THIS CREST COMPARES TO A PREVIOUS CREST OF 6.1 FEET ON APR 5 2011.  

$$

897 
WGUS82 KFFC 020857
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
457 AM EDT TUE OCT 2 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN GEORGIA...
  BIG CREEK NEAR CUMMING AFFECTING FORSYTH COUNTY 

  ALCOVY RIVER NEAR LAWRENCEVILLE AFFECTING GWINNETT AND WALTON 
  COUNTIES 

  SWEETWATER CREEK NEAR LILBURN AFFECTING GWINNETT COUNTY 


GAC117-022257-
/O.CON.KFFC.FL.W.0012.000000T0000Z-000000T0000Z/
/CMGG1.1.ER.121001T2145Z.121002T0745Z.000000T0000Z.UU/
457 AM EDT TUE OCT 2 2012

THE FLOOD WARNING CONTINUES FOR
  THE BIG CREEK NEAR CUMMING
* UNTIL FURTHER NOTICE. 
* AT 3 AM TUESDAY THE STAGE WAS 6.9 FEET...AND RISING.
* MINOR FLOODING IS OCCURRING. 
* FLOOD STAGE IS 6.0 FEET. 
* AT 6.0 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. 
* THIS CREST COMPARES TO A PREVIOUS CREST OF 6.9 FEET ON DEC 1 2010.  

$$

GAC135-297-022257-
/O.CON.KFFC.FL.W.0015.000000T0000Z-000000T0000Z/
/ALCG1.1.ER.121002T0741Z.121002T0830Z.000000T0000Z.UU/
457 AM EDT TUE OCT 2 2012

THE FLOOD WARNING CONTINUES FOR
  THE ALCOVY RIVER NEAR LAWRENCEVILLE
* UNTIL FURTHER NOTICE. 
* AT 4 AM TUESDAY THE STAGE WAS 9.5 FEET...AND RISING.
* MINOR FLOODING IS OCCURRING. 
* FLOOD STAGE IS 9.0 FEET. 
* THIS CREST COMPARES TO A PREVIOUS CREST OF 9.1 FEET ON DEC 1 2010.  

$$

GAC135-022257-
/O.CON.KFFC.FL.W.0014.000000T0000Z-000000T0000Z/
/STWG1.1.ER.121002T0409Z.121002T0830Z.000000T0000Z.UU/
457 AM EDT TUE OCT 2 2012

THE FLOOD WARNING CONTINUES FOR
  THE SWEETWATER CREEK NEAR LILBURN
* UNTIL FURTHER NOTICE. 
* AT 4 AM TUESDAY THE STAGE WAS 11.4 FEET...AND STEADY.
* MINOR FLOODING IS OCCURRING. 
* FLOOD STAGE IS 11.0 FEET. 
* AT 11.0 FEET...FLOOD STAGE IS REACHED. MINOR FLOODING WILL OCCUR IN
  PORTIONS OF THE NORTHWOOD COUNTRY CLUB GOLF COURSE UPSTREAM FROM 
  THE GAGE ON CLUB DRIVE...AND IN THE WOODLAND AREAS DOWNSTREAM FROM 
  THE GAGE AND FOR THE NEXT FOUR MILES UNTIL THE CREEK MERGES WITH 
  THE YELLOW RIVER. AN OLD CONCRETE GOLF CART BRIDGE AROUND 300 FEET 
  DOWNSTREAM FROM THE GAGE WILL BEGIN TO FLOOD.
* THIS CREST COMPARES TO A PREVIOUS CREST OF 11.2 FEET ON JUL 27 2010.
  

$$

121 
WGUS82 KFFC 021413
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1013 AM EDT TUE OCT 2 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
GEORGIA...
 
  BIG CREEK NEAR CUMMING AFFECTING FORSYTH COUNTY

  ALCOVY RIVER NEAR LAWRENCEVILLE AFFECTING GWINNETT AND WALTON 
  COUNTIES

 
GAC117-021443-
/O.CAN.KFFC.FL.W.0012.000000T0000Z-121002T1413Z/
/CMGG1.1.ER.121001T2145Z.121002T0745Z.121002T1130Z.UU/
1013 AM EDT TUE OCT 2 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE BIG CREEK NEAR CUMMING. 
* AT 9 AM TUESDAY THE STAGE WAS 4.4 FEET...AND FALLING.
* FLOOD STAGE IS 6 FEET. 


$$

GAC135-297-021443-
/O.CAN.KFFC.FL.W.0015.000000T0000Z-121002T1413Z/
/ALCG1.1.ER.121002T0741Z.121002T1015Z.121002T1320Z.UU/
1013 AM EDT TUE OCT 2 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE ALCOVY RIVER NEAR LAWRENCEVILLE. 
* AT 10 AM TUESDAY THE STAGE WAS 8.4 FEET...AND FALLING.
* FLOOD STAGE IS 9 FEET. 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 1, 2:59 PM EDT	Special Weather Statement	FFC	Henry, Lamar, Rockdale, Spalding	46 min
Oct 1, 4:09 PM EDT	Special Weather Statement	FFC	Barrow	36 min
Oct 1, 4:13 PM EDT	Special Weather Statement	FFC	Baldwin, Twiggs	32 min
Oct 1, 5:06 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Barrow, Jackson, Madison	24 min

Nearby

River Flood Warnings in Georgia, 2012 Every river flood warning in 2012

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.