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Atchafalaya Riverat Melville, LA (Gauge MLVL1)
Forecast | Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge MLVL1
Normal Stage: 21.13 ft
Flow: 332 kcfs*
(impacts and historical events)
Action Stages:
40': Action
41': Flood
45': Moderate Flood
50': Major Flood
Gauge MLVL1 Forecast / History chart | graph
Stage Date CST Stage ft Flow kcfs
FORECAST 02/20/2012 06:00 am 17.50 270.000
FORECAST 02/20/2012 12:00 am 17.70 273.000
FORECAST 02/19/2012 06:00 pm 18.00 277.000
FORECAST 02/19/2012 12:00 pm 18.20 280.000
FORECAST 02/19/2012 06:00 am 18.40 283.000
FORECAST 02/19/2012 12:00 am 18.60 286.000
FORECAST 02/18/2012 06:00 pm 18.80 289.000
FORECAST 02/18/2012 12:00 pm 19.10 293.000
FORECAST 02/18/2012 06:00 am 19.30 296.000
FORECAST 02/18/2012 12:00 am 19.50 299.000
FORECAST 02/17/2012 12:00 pm 19.90 306.000
FORECAST 02/17/2012 06:00 am 20.10 310.000
FORECAST 02/17/2012 12:00 am 20.30 314.000
FORECAST 02/16/2012 06:00 pm 20.50 319.000
FORECAST 02/16/2012 12:00 pm 20.70 323.000
CURRENT 02/16/2012 07:00 am 21.13 332.000
  02/16/2012 06:00 am 21.11 331.000
  02/16/2012 05:00 am 21.12 331.000
  02/16/2012 04:00 am 21.14 332.000
  02/16/2012 03:00 am 21.11 331.000
  02/16/2012 02:00 am 21.12 331.000
  02/16/2012 01:00 am 21.11 331.000
  02/16/2012 12:00 am 21.10 331.000
  02/15/2012 11:00 pm 21.10 331.000
  02/15/2012 10:00 pm 21.08 331.000
  02/15/2012 09:00 pm 21.04 330.000
  02/15/2012 08:00 pm 20.98 329.000
  02/15/2012 07:00 pm 20.94 328.000
  02/15/2012 06:00 pm 20.91 327.000
  02/15/2012 05:00 pm 20.94 328.000
  02/15/2012 04:00 pm 20.99 329.000
  02/15/2012 03:00 pm 20.95 328.000
  02/15/2012 02:00 pm 21.03 330.000
  02/15/2012 01:00 pm 21.00 329.000
  02/15/2012 12:00 pm 20.95 328.000
  02/15/2012 11:00 am 21.12 331.000
  02/15/2012 10:00 am 21.10 331.000
  02/15/2012 09:00 am 21.12 331.000
  02/15/2012 08:00 am 21.20 333.000
  02/15/2012 07:00 am 21.20 333.000
  02/15/2012 06:00 am 21.23 334.000
  02/15/2012 05:00 am 21.23 334.000
  02/15/2012 04:00 am 21.23 334.000
  02/15/2012 03:00 am 21.22 334.000
  02/15/2012 02:00 am 21.24 334.000
  02/15/2012 01:00 am 21.26 334.000
Flood Impacts and Historical Events
Stage Impacts
52.5THE WATER LEVEL WILL BE NEAR THE TOP OF THE LEVEE WHICH IS 53 FEET AT ITS LOWEST POINT
50.0WATER WILL REACH THE BASE OF THE TEXAS PACIFIC RAILROAD BRIDGE GIRDERS
48.0THE WATER LEVEL WILL REACH THE GRADE LEVEL OF THE LOWEST ELEVATION ON THE BACK SIDE OF THE MELVILLE RING LEVEE
41.0FLOODING WILL BEGIN ON THE RIVER SIDE OF THE RIVER LEVEE AND ON THE RIVER SIDE OF THE MELVILLE PROTECTION RING LEVEE. INCREASED RIVER CURRENT WILL MAKE NAVIGATION MORE DIFFICULT AND INCREASE THE NEED FOR STRICT TRAFFIC REGULATION
30.0INCREASED CURRENT IN THE ATCHAFALAYA MAIN CHANNEL WILL CAUSE MINOR NAVIGATION PROBLEMS FOR LARGE CRAFT...BUT HAZARDOUS CONDITIONS FOR SMALLER RIVER CRAFT. THE AVERAGE ELEVATION WITHIN THE PROTECTION OF THE MELVILLE RING LEVEE IS 31 FEET
25.0FLOODING WILL BEGIN ON THE RIVER SIDE OF THE ATCHAFALAYA RIVER LEVEE AND THE MELVILLE RING LEVEE WHICH PROTECT THE CITY TO A RIVER STAGE OF ABOUT 50 FEET
Historical Crests Record Lows
1) 46.98 ft on 05/14/1927
2) 46.08 ft on 05/14/1922
3) 45.88 ft on 04/25/1945
4) 45.00 ft on 03/05/1950
5) 44.98 ft on 03/02/1937
1) 0.80 ft on 01/19/1981
2) 0.88 ft on 06/23/1964
3) 0.90 ft on 10/18/1976

Data provided by NOAA Advanced Hydrologic Prediction Service

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