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News and Reports > Water Update May 5, 2011 at 11:00 p.m.

The MS River Crest Forecast has NOT changed. However, the crest dates have been shifted. Crest stages remain the same as the following May 2 projections: 57.5’ at Vicksburg on 5/20/11, 64.5’ at Greenville on 5/17/11, 53.5’ at Arkansas City on 5/16/11, 56.0’ at Helena on 5/12/11, and 48’ at Memphis on 5/11/11. The MS River stages are currently 47.9’ at Vicksburg, 56.2’ at Greenville, 45.3’ at Arkansas City, 52.7’ at Helena, and 45.0’ at Memphis; all of which are above flood stage.

At this projected stage, the Yazoo River Backwater Levee will be overtopped by 1.3’ in some areas. The MS Levee Board and the Corp of Engineers is in the process of armoring portions of the levee projected to overtop to provide added strength in these stressed areas. The overflow is projected to add an additional 0.5’ of water to the Yazoo River Backwater Area. This brings the projected crest at Steele Bayou (landside) to 95.0’. IF a catastrophic failure of the Yazoo River Backwater Levee were to occur, the Area could see water elevations of 107’. However, EVERY EFFORT is being made by the MS Levee Board and the Corp of Engineers to ensure THIS DOES NOT HAPPEN.

Areas east of the Whittington Auxiliary Channel (Lake George, Panther Swamp, Wolf Lake, Carter) and near the Yazoo River (Rocky Bayou) THAT ARE UNPROTECTED BY LEVEES could see a projected crest of 107’. At this projected elevation, it is likely that both Hwy 49W and Hwy 149 will take on water and could be impassable.

The Yazoo River is projected to crest at 39.5’ (107.2’) Yazoo City and 32.5’ (108.5’) Belzoni. This could particularly affect areas unprotected by Yazoo River levees such as Bee Lake, Tchula Lake, and surrounding areas (east of the Yazoo River).

Read full update at deltacouncil.org