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<br />at a stage of 30.6 feet on Monday morning. A crew was dispatched to Hamburg <br />to monitor the freeboard at the Highway 275 closure, Preparations for a rainfall <br />bucket survey were initiated Sunday night. <br /> <br />On Monday, June 15, the West Nishnabotna River at Hancock, Iowa crested <br />at a stage of 17.57 feet at 1: 15 am with an estimated peak discharge of <br />approximately 15,100 cfs. This stage was 3.6 feet above flood stage and about 6 <br />feet below the previous record stage of 23.5 feet that occurred in 1993 with a <br />peak discharge of 30,100 cfs. <br /> <br />, <br /> <br />At midnight Monday, June 15th, the West Nishnabotna River crested further <br />downstream at Randolph, Iowa at a stage of 23.92. This crest was approximately <br />5 feet above flood stage and less than a foot below the previous record stage of <br />24.8 feet that occurred in 1949. The USGS measured a discharge of 29,100 cfs <br />at 7: 15 pm, The estimated peak discharge was about 30,400 cfs. <br /> <br />At Atlantic, Iowa, the East Nishnabotna River crested 23.00 feet at 10: 15 <br />am on June 1 5 with an estimated peak discharge of 41 ,500 cfs. This stage <br />exceeded the record stage of 22.81 that occurred in September of 1972, and the <br />discharge exceeded the record discharge of 34,200 cfs that occurred in 1958 by <br />about 30 percent. <br /> <br />Further downstream at Red Oak, Iowa, the East Nishnabotna River crested at <br />a stage of 29.39 feet at 3: 10 pm on June 15th. This stage was 11.4 feet above <br />flood stage and exceeded the previous record stage of 28.23 feet set in 1947 by <br />1.16 feet. The USGS measured a discharge of 64,000 cfs at 3: 10 pm on <br />June 15, The peak discharge was nearly double the previous record discharge of <br />38,000 that occurred in 1972. On Monday, June 15, a crew was dispatched to <br />Red Oak, Iowa to monitor the levee. Some seepage and boils were reported during <br />the high water. Although the town was protected by the levee along the East <br />Nishnabotna, some interior flooding occurred due to ponding of water along Red <br />Oak Creek. <br /> <br />On Tuesday, crews were dispatched to conduct the rainfall bucket survey <br />and set high water marks. Four 2-person crews were utilized for the bucket survey <br />including 3 crews provided by a contractor. The bucket survey required 3 days to <br />complete. <br /> <br />" <br /> <br />Internal forecasts prepared by the Corps indicated that the peak flows at <br />Hamburg could exceed 60,000 cfs and threaten the levee at Hamburg. On the <br />morning of Tuesday, June 1 6th, the locals were advised to begin sandbagging the <br />low areas along the L-575 tie back downstream from the Burlington Northern (BN) <br />railroad. Because of the record amounts of water flowing in the river upstream, the <br /> <br />. <br />~ <br /> <br />18 <br />