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Chattahoochee Riverat Helen, GA (Gauge HDCG1)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge HDCG1
Normal Stage: 0.9 ft
Flow: 0.116 kcfs*
(impacts and historical events)
Action Stages:
5': Action
6': Flood
8': Moderate Flood
11': Major Flood
Gauge HDCG1 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 02/16/2012 10:00 am 0.90 0.116
  02/16/2012 09:45 am 0.89 0.114
  02/16/2012 09:30 am 0.89 0.114
  02/16/2012 09:15 am 0.88 0.112
  02/16/2012 09:00 am 0.88 0.112
  02/16/2012 08:45 am 0.87 0.111
  02/16/2012 08:30 am 0.87 0.111
  02/16/2012 08:15 am 0.87 0.111
  02/16/2012 08:00 am 0.86 0.109
  02/16/2012 07:45 am 0.86 0.109
  02/16/2012 07:30 am 0.86 0.109
  02/16/2012 07:15 am 0.86 0.109
  02/16/2012 07:00 am 0.85 0.107
  02/16/2012 06:45 am 0.85 0.107
  02/16/2012 06:30 am 0.85 0.107
  02/16/2012 06:15 am 0.85 0.107
  02/16/2012 06:00 am 0.85 0.107
  02/16/2012 05:45 am 0.85 0.107
  02/16/2012 05:30 am 0.85 0.107
  02/16/2012 05:15 am 0.85 0.107
  02/16/2012 05:00 am 0.84 0.105
  02/16/2012 04:45 am 0.85 0.107
  02/16/2012 04:30 am 0.85 0.107
  02/16/2012 04:15 am 0.85 0.107
  02/16/2012 04:00 am 0.85 0.107
  02/16/2012 03:45 am 0.85 0.107
  02/16/2012 03:30 am 0.84 0.105
  02/16/2012 03:15 am 0.85 0.107
  02/16/2012 03:00 am 0.84 0.105
  02/16/2012 02:45 am 0.84 0.105
  02/16/2012 02:30 am 0.85 0.107
Flood Impacts and Historical Events
Stage Impacts
12.0At 11 to 13 feet flooding of businesses...shops...and homes upstream and downstream from the gage site occur.
11.0Eleven feet is the 50 year flood plain. Floor of several brown houses downstream of the River Road Shoppe have an elevation of 11 feet.
9.0The floor of the Castle Inn is at 9 feet.
8.0At 8 feet...floors of houses downstream on the left bank will be affected.
6.0At 6 feet yards of homes downstream from the gage on the left bank will be flooded.
Historical Crests Record Lows
1) 12.00 ft on 08/23/1967
2) 11.00 ft on 04/16/1946
3) 10.00 ft on 03/11/1952
4) 10.00 ft on 03/12/1963
5) 7.30 ft on 05/28/1973
1) 0.08 ft on 10/15/2007
2) 0.09 ft on 10/02/2007
3) 0.12 ft on 09/09/2007

Data provided by NOAA Advanced Hydrologic Prediction Service

Created with HAMweather 4 Alpha 3
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