Climate Change in Washington - Flooding


Due to the estimated .5° increase in temperature each decade described in the report, increased flooding will be experienced in many of Washington’s coastal areas. As global temperatures rise, it causes the oceans to warm up and expand. Ice caps and glaciers also melt, and the amount of rain increases as the amount of snow decreases. All of these factors contribute to the rise in sea level, which is a principal cause of flooding. Homes and businesses within reach of tidewater and low-lying agricultural areas in Washington are at high risks for flooding. Parts of Tacoma and Olympia are at higher risks than other cities like Seattle, since many areas in Tacoma and Olympia are built just a few feet above sea level. It is said that “shipping terminals, marinas, docks, and recreational facilities associated with coastal port districts are places where impacts will reach more deeply into the state’s economy through effects on commercial and recreational activities” pg. 65. The areas that are to be affected first by the increased pattern of flooding include Willapa Bay and the Skagit River Delta

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