when the pdo last switched to a cool phase, global temperatures were about 0.4c cooler than currently.
when the pdo last switched to a cool phase, global temperatures were about 0.4c cooler than currently.
pacific decadal oscillation:49
1945/1946: the pdo changed to a "cool" phase, the pattern of this regime shift is similar to the 1970s episode with maximum amplitude in the subarctic and subtropical front but with a greater signature near the japan while the 1970s shift was stronger near the american west coast.