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Why oceanic (marine west coast) climates in the pacific northwest and south america have significant seasonal variation in rainfall while those in Western Europe, Australia and New Zealand have small seasonal variation in rainfall?
I am not talking about rainfall amount which decreases on the leeward side, I am talking about rainfall seasonality which is the same on both sides of a mountain range.
This is something I've wonder about to. Although Northern Europe is quite different in shape to the Pacific Northwest which could be a factor. Frankly I wished that the rain in the Pacific Northwest was spread around the whole year a bit more.
Southern Chile, is one region I've been fascinated with lately, mostly around the southern most Lakes district and Puerto Montt. In that area there is a drop off of rainfall in the summer but not to the extent of the Pacific Northwest.
I am not talking about rainfall amount which decreases on the leeward side, I am talking about rainfall seasonality which is the same on both sides of a mountain range.
I edited post for adding a video after your reply. Please check it out
I edited post for adding a video after your reply. Please check it out
I saw the video a few months ago. There is a large area of Csb climate in Pacific Northwest but the majority of Pacific Northwest has true Oceanic climate (Cfb) but with large seasonal variation in rainfall. Also, New Zealand has mountains ranges but much smaller variation in rainfall.
I saw the video a few months ago. There is a large area of Csb climate in Pacific Northwest but the majority of Pacific Northwest has true Oceanic climate (Cfb) but with large seasonal variation in rainfall. Also, New Zealand has mountains ranges but much smaller variation in rainfall.
Because most Csb climates are found on the basin (Ex. Puget Willamette Lowland) while the only Cfb in the PNW located on the western slopes of each giant mountain chain(Olympic, Cascades). There might be a slight influence of the Pacific even during summer there but not strong enough to permeate into the basin.
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