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This is Science Quickly.

I'm Andrea Thompson, Editor for Earth and Environment.

And I'm Jeff Delvisio, Chief Multimedia Editor.

And today we're talking El Nino.

Because it's back.

I am El Nino, all of the tropical storms must bow before El Nino.

Okay, so just in case you didn't catch the reference, that was Comic Chris Farley.

In 1997, on Saturday Night Live, Farley did this bit because that was the year

one of the strongest El Nino's on record.

So it was definitely on the public's mind in a big way, though he got the science wrong.

Yeah, it was hilarious, but he did.

I mean, he's a comic.

He's not a scientist, but El Nino is not a tropical storm, like he said.

What it actually is, is a natural climate pattern.

It's a cycle, really.

A push and pull between wind and water over the Pacific Ocean.

...