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2023 Pacific Northwest floods. Marine Drive south of Stanwood, Washington, flooded by the Stillaguamish River. Overall effects. Fatalities. 2. In December 2023, an atmospheric river caused flooding in the Pacific Northwest. [1] Rainfall and temperature records were set in the U.S. state of Washington. [2] Two deaths have been attributed to this ...
Rainfall east of the Cascades will vary significantly, but some of the west- and southwest-facing slopes of the various ranges in eastern Oregon and Washington to northern Idaho and northwestern ...
According to the Köppen climate classification, most of Western Oregon has a warm-summer Mediterranean climate (or Csb type), which features warm, dry summers, and wet winters with frequent overcast and cloudy skies. Eastern Oregon falls into the cold semi-arid climate (or BSk type), which features drier weather.
41-59000. GNIS feature ID. 2411471 [6] Website. www .portland .gov. Portland ( / ˈpɔːrtlənd / PORT-lənd) is the most populous city in the U.S. state of Oregon, located in the Pacific Northwest region. Situated in the northwestern area of the state at the confluence of the Willamette and Columbia rivers, it is the county seat of Multnomah ...
Portland: United States: 938 128 93 101 73 64 41 13 14 ... Average monthly precipitation (in mm) for selected cities in South America City Country Year Jan Feb Mar ...
Willamette River. Willamette Valley basin. The Willamette Valley ( / wɪˈlæmɪt / ⓘ wil-AM-it) is a 150-mile (240 km) long valley in Oregon, in the Pacific Northwest region of the United States. The Willamette River flows the entire length of the valley and is surrounded by mountains on three sides: the Cascade Range to the east, the Oregon ...
Oregon (/ ˈ ɒr ɪ ɡ ən,-ɡ ɒ n / ⓘ ORR-ih-ghən, -gon) is a state in the Pacific Northwest region of the United States.Oregon is a part of the Western United States, with the Columbia River delineating much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho.
Date. 20 days. December 18, 1964. ( 1964-12-18) – January 7, 1965. ( 1965-01-07) Location. California, Oregon, and Washington states. The Christmas flood of 1964 was a major flood in the United States' Pacific Northwest and some of Northern California between December 18, 1964, and January 7, 1965, spanning the Christmas holiday.