For those of us old enough to reminisce, this weather pattern is the same pattern that dominated our weather systems in the 1950s and 1960s.
(this weather pattern; is; the same pattern that dominated our weather systems in the 1950s and 1960s) (the same pattern; dominated; our weather systems)
this weather pattern the same pattern
is dominated
the same pattern that dominated our weather systems in the 1950s and 1960s
our weather systems