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Ohio Riverat Grand Chain Lock And Dam, IL (Gauge GCTI2)
Forecast | Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge GCTI2
Normal Stage: 31.9 ft
Flow: 223 kcfs*
(impacts and historical events)
Action Stages:
40': Action
42': Flood
48': Moderate Flood
53': Major Flood
Gauge GCTI2 Forecast / History chart | graph
Stage Date CST Stage ft Flow kcfs
FORECAST 01/06/2009 06:00 am 35.00 501.000
FORECAST 01/06/2009 12:00 am 35.80 522.000
FORECAST 01/05/2009 06:00 pm 36.50 540.000
FORECAST 01/05/2009 06:00 am 38.00 580.000
FORECAST 01/05/2009 12:00 am 38.40 588.000
FORECAST 01/04/2009 06:00 pm 38.70 594.000
FORECAST 01/04/2009 12:00 pm 39.00 600.000
FORECAST 01/04/2009 06:00 am 39.40 608.000
FORECAST 01/04/2009 12:00 am 39.50 610.000
FORECAST 01/03/2009 06:00 pm 39.70 614.000
FORECAST 01/03/2009 12:00 pm 39.90 618.000
FORECAST 01/03/2009 06:00 am 40.00 620.000
FORECAST 01/03/2009 12:00 am 40.10 622.000
FORECAST 01/02/2009 06:00 pm 40.10 622.000
FORECAST 01/02/2009 12:00 pm 40.20 623.000
FORECAST 01/02/2009 06:00 am 40.30 625.000
FORECAST 01/02/2009 12:00 am 40.10 622.000
CURRENT 01/07/2009 06:00 am 31.90 426.000
  01/06/2009 11:00 pm 32.20 433.000
  01/06/2009 10:00 pm 32.30 435.000
  01/06/2009 09:00 pm 32.40 437.000
  01/06/2009 08:00 pm 32.50 440.000
  01/06/2009 07:00 pm 32.50 440.000
  01/06/2009 06:00 pm 32.60 442.000
  01/06/2009 05:00 pm 32.70 444.000
  01/06/2009 04:00 pm 32.70 444.000
  01/06/2009 06:00 am 33.40 461.000
  01/05/2009 11:00 pm 34.10 478.000
  01/05/2009 10:00 pm 34.20 480.000
  01/05/2009 09:00 pm 34.30 483.000
  01/05/2009 08:00 pm 34.40 485.000
  01/05/2009 07:00 pm 34.50 488.000
  01/05/2009 06:00 pm 34.60 490.000
  01/05/2009 05:00 pm 34.70 493.000
  01/05/2009 04:00 pm 34.80 496.000
  01/05/2009 06:00 am 35.70 519.000
  01/04/2009 11:00 pm 36.20 532.000
  01/04/2009 10:00 pm 36.20 532.000
  01/04/2009 09:00 pm 36.30 535.000
  01/04/2009 08:00 pm 36.30 535.000
  01/04/2009 07:00 pm 36.40 537.000
  01/04/2009 06:00 pm 36.40 537.000
  01/04/2009 05:00 pm 36.50 540.000
  01/04/2009 04:00 pm 36.50 540.000
  01/04/2009 06:00 am 37.20 559.000
  01/04/2009 05:00 am 37.40 564.000
  01/04/2009 04:00 am 37.40 564.000
  01/04/2009 03:00 am 37.50 567.000
Flood Impacts and Historical Events
Stage Impacts
64.0This flood will exceed the highest stage on record.
48.0Water reaches the power house at Lock and Dam 53.
42.0This will cause minor flooding of mainly low lying areas.
Historical Crests Record Lows
1) 64.00 ft on 02/02/1937
2) 57.80 ft on 03/15/1997
3) 57.60 ft on 04/03/1975
4) 56.40 ft on 04/19/1927
5) 56.30 ft on 03/11/1945
6) 55.40 ft on 03/26/1973
6) 55.40 ft on 03/09/1979
8) 55.10 ft on 05/28/1995
9) 55.00 ft on 05/14/1984
10) 54.90 ft on 01/02/1991
1) 13.70 ft on 09/09/2005
2) 13.90 ft on 10/20/2000
3) 14.20 ft on 08/24/2005
4) 14.30 ft on 01/26/2000
4) 14.30 ft on 05/19/2000

Data provided by NOAA Advanced Hydrologic Prediction Service

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