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Atchafalaya Riverat Myette Point/Grand Lake, LA (Gauge GNDL1)
Forecast | Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge GNDL1
Normal Stage: 6.75 ft
Flow: 223 kcfs*
(impacts and historical events)
Action Stages:
14': Action
15': Flood
20': Moderate Flood
26': Major Flood
Gauge GNDL1 Forecast / History chart | graph
Stage Date CST Stage ft Flow kcfs
FORECAST 01/12/2009 06:00 am 6.50 217.000
FORECAST 01/12/2009 12:00 am 6.50 217.000
FORECAST 01/11/2009 06:00 pm 6.50 217.000
FORECAST 01/11/2009 12:00 pm 6.60 220.000
FORECAST 01/11/2009 06:00 am 6.60 220.000
FORECAST 01/11/2009 12:00 am 6.60 220.000
FORECAST 01/10/2009 06:00 pm 6.70 223.000
FORECAST 01/10/2009 12:00 pm 6.70 223.000
FORECAST 01/10/2009 06:00 am 6.70 223.000
FORECAST 01/10/2009 12:00 am 6.70 223.000
FORECAST 01/09/2009 06:00 pm 6.70 223.000
FORECAST 01/09/2009 12:00 pm 6.70 223.000
FORECAST 01/09/2009 06:00 am 6.70 223.000
FORECAST 01/08/2009 06:00 pm 6.60 220.000
FORECAST 01/08/2009 12:00 pm 6.60 220.000
FORECAST 01/08/2009 06:00 am 6.50 217.000
FORECAST 01/08/2009 12:00 am 6.50 217.000
FORECAST 01/07/2009 06:00 pm 6.50 217.000
FORECAST 01/07/2009 12:00 pm 6.50 217.000
CURRENT 01/08/2009 12:30 am 6.75 224.000
  01/08/2009 12:00 am 6.72 223.000
  01/07/2009 11:30 pm 6.71 223.000
  01/07/2009 11:00 pm 6.69 222.000
  01/07/2009 10:30 pm 6.67 222.000
  01/07/2009 10:00 pm 6.66 222.000
  01/07/2009 09:30 pm 6.64 221.000
  01/07/2009 09:00 pm 6.62 221.000
  01/07/2009 08:30 pm 6.62 221.000
  01/07/2009 08:00 pm 6.62 221.000
  01/07/2009 07:30 pm 6.60 220.000
  01/07/2009 07:00 pm 6.59 220.000
  01/07/2009 06:30 pm 6.59 220.000
  01/07/2009 06:00 pm 6.57 219.000
  01/07/2009 05:30 pm 6.57 219.000
  01/07/2009 05:00 pm 6.56 219.000
  01/07/2009 04:30 pm 6.55 219.000
  01/07/2009 04:00 pm 6.54 218.000
  01/07/2009 03:30 pm 6.52 218.000
  01/07/2009 03:00 pm 6.50 217.000
  01/07/2009 02:30 pm 6.49 217.000
  01/07/2009 02:00 pm 6.48 217.000
  01/07/2009 01:30 pm 6.50 217.000
  01/07/2009 01:00 pm 6.49 217.000
  01/07/2009 12:30 pm 6.48 217.000
  01/07/2009 12:00 pm 6.47 217.000
  01/07/2009 11:30 am 6.48 217.000
  01/07/2009 11:00 am 6.48 217.000
  01/07/2009 10:30 am 6.48 217.000
  01/07/2009 10:00 am 6.46 216.000
  01/07/2009 09:30 am 6.48 217.000
Flood Impacts and Historical Events
Stage Impacts
28.0THE WEST ATCHAFALYA BASIN PROTECTION LEVEE WILL BE OVERTOPPED FLOODING THE CITY OF CHARENTON. RIVER NAVIGATION WILL BECOME MORE DIFFICULT AND BOATING CAUTION IS URGED
26.0THE RIVER WILL OVERTOP THE LEVEE AT ITS LOWEST POINTS. SANDBAGGING OF LOW LEVEE SECTIONS FROM CHARENTON DOWNSTREAM TO NEAR FRANKLIN IS RECOMMENDED. RIVER NAVIGATION WILL BECOME MORE DIFFICULT AND BOATING CAUTION IS URGED
20.0RIVER NAVIGATION WILL BECOME MORE DIFFICULT AND BOATING CAUTION IS URGED
15.0ALTHOUGH ON THE FLOODWAY SIDE (FWS) OF THE PROTECTION LEVEE... FLOODING OF THE BATTURE WILL IMPEDE SMALL CRAFT LAUNCHING. NAVIGATION PRECAUTIONS ARE RECOMMENDED
Historical Crests Record Lows
1) 17.80 ft on 05/24/1973
2) 14.95 ft on 04/19/1975
3) 12.97 ft on 02/18/1974
4) 11.64 ft on 04/27/1965
5) 11.23 ft on 05/21/1970
6) 11.11 ft on 02/28/1969
7) 11.05 ft on 02/18/1999
8) 10.90 ft on 06/08/2002
9) 10.78 ft on 05/19/1966
10) 10.74 ft on 04/20/1968
2) 0.50 ft on 10/09/2000
3) 1.40 ft on 08/30/2000
4) 3.10 ft on 10/19/1992
5) 8.00 ft on 04/04/1977

Data provided by NOAA Advanced Hydrologic Prediction Service

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