Flood in La Salle County, Illinois
Flood September 15, 2008 – September 19, 2008 · La Salle County, Illinois
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
The Illinois River reached a record crest of 33.79 feet at LaSalle on the 16th. Major flooding occurred along the river in LaSalle County. In Marseilles, flood waters inundated Illini State Park and nearby areas. Flood waters inundated the Peru power plant. Brunner and Water Streets were closed due to flooding. Navigation on the river was halted as most lock facilities were submerged. The Interstate 39 bridge was the only one open as State Highways 251, 351, and 178 were closed. Homes and businesses in Utica were flooded. In Ottawa, 89 residents of a nursing home were evacuated. Dee Bennett Road between Ottawa and Utica was closed. Central Elementary School in Ottawa was surrounded by water and the auditorium was flooded with 8 inches of water.
The wider storm
High flows from tributaries emptied into the Illinois River, causing water levels to rise to record heights.
Began near Seneca (41.2959, -88.5910).
Source: NOAA Storm Events Database, event 136504. Narratives are written by the National Weather Service forecast office that issued the report.
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