At Watts Up With That, Anthony Watts has a report from Joe D’Aleo who reports via email that the Atlantic Multidecadal Oscillation AMO Index has gone negative for this past month, see the graph below:
This is the first time the November value has been negative since about 1996. It appears the down cycle has started. This portends a cooler period, especially winters.
You can read the rest here: The November AMO index goes negative, first time since 1996 | Watts Up With That?.