It looks like most of Australia is in for a warmer-than-usual summer this year.

That's according to the Bureau of Meteorology's long-range forecast, which was released in October.

So — without a crystal ball — how do meteorologists make weather predictions so far out, how accurate are they, and how is climate change affecting them?

You can binge more episodes of the Lab Notes podcast with science journalist and presenter Belinda Smith on the ABC Listen app (Australia). You'll find episodes on animal behaviour, human health, space exploration and so much more.

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Featuring:

Karl Braganza, National Manager of Climate Services at the Bureau of Meteorology

More information:

BOM's first long-range summer forecast shows increased chance of extreme heat