In other weather related news, Heavy Weather
Speaking of post-apocalyptic sci-fi, Children of Men is a pretty good contribution to the genre, even though it sometimes hits you over the head with its politics.
"Just the place for a Snark!" the Bellman cried,
As he landed his crew with care;
Supporting each man on the top of the tide
By a finger entwined in his hair.
"Just the place for a Snark! I have said it twice:
That alone should encourage the crew.
Just the place for a Snark! I have said it thrice:
What I tell you three times is true."