Subject: pdo ' s in the media
more about the pacific decadal oscillation . . .
q . will we have a drought in southern california ?
a . if the pacific decadal oscillation has switched we are likely to have
20 - 30 years with lower rainfall that
we have had since the late ' 70 ' s . we will still have winter rains , but
the number of really wet years is likely
to decrease .