The reason, for the most part, is that the weather patterns in our area drastically changed in 1993.
(The reason; is; that the weather patterns in our area drastically changed in 1993) Context(The reason is,List([0, 33))):(the weather patterns in our area; drastically changed; T:in 1993)
The reason is,List([0, 33))
The reason the weather patterns in our area
is drastically changed
that the weather patterns in our area drastically changed in 1993
T:in 1993