46' - expect major flooding of some residences and buildings along the lower Clackamas River, including the mobile home park just downstream of Carver Bridge.

42' - expect flooding of parks, agricultural land, and low-lying areas along the lower Clackamas River from the Carver Bridge down to the confluence with the Willamette.

39' - expect minor flooding of low areas along the lower Clackamas River, including Clackamette Park, the Oregon City shopping center, and some agricultural land downstream of Carver Bridge.