The PDO has now turned cold, and, with the AMO still in its warm phase, temperatures are flatlining. By the mid 2020’s we are likely to see both great ocean patterns stuck together in their cold phases well into the 2030’s.
Paul Homewood has the details at NOT A LOT OF PEOPLE KNOW THAT
In my mind this is the most interesting graphic. Note the warm 1930s and cool 60-70s
Now consider what will happen when the both the AMO and PDO get in sync, as they have in the post and we had ice age scares.