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| Critical Stages |
| 62' -Action |
65' -Flood |
67' -Moderate Flood |
70' -Major Flood |
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| Forecast not available for this location. |
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| Observation history unavailable for thie location. |
| Flood Impacts |
| 75.0 | EXTREME FLOODING OCCURS...WITH THE WEST SIDE LEVEES NEAR THE COLUMBIA LOCK AND DAM IN DANGER OF BEING OVER-TOPPED. SEVERAL THOUSANDS OF ACRES OF LAND FLOOD BETWEEN THE LEVEES. |
| 70.0 | LOWLAND FLOODING WILL CONTINUE TO SLOWLY RECEDE...BUT THE RIVER WILL REMAIN ABOVE FLOOD STAGE FOR SEVERAL MORE DAYS. |
| 67.0 | THE COLUMBIA LOCK AND DAM RECREATIONAL AREA FLOODS AND MUST BE CLOSED. IN ADDITION...EXPECT MODERATE TO SEVERE FLOODING OF LOWLAND RIVER BOTTOMS. |
| 65.0 | THE RIVERTON RECREATIONAL AREA FLOODS AND MUST BE CLOSED. IN ADDITION...EXPECT MINOR FLOODING OF LOWLAND RIVER BOTTOMS. |
| Historical Crests |
Low Water Records |
1) 72.37 ft on 05/05/1991
2) 70.65 ft on 05/13/1973
3) 69.10 ft on 01/09/1983
4) 67.70 ft on 12/31/1982
5) 67.40 ft on 05/13/1979
6) 67.10 ft on 05/17/1975
7) 67.00 ft on 02/02/1974
8) 64.67 ft on 04/08/1990
9) 62.90 ft on 04/18/1989
10) 61.20 ft on 02/02/1988
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1) 35.80 ft on 04/16/1972
2) 0.00 ft on 10/24/1985
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Data provided by NOAA Advanced Hydrologic Prediction Service
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