What's causing Australian bushfires?

Authorities in New South Wales have said the bushfires in the region are creating the most dangerous conditions in 40 years.

The warmest winter on record followed by the hottest September (remember they have the opposite weather cycle to us) on record and half the normal amount of rainfall for spring has left the land tinder-dry.

Peter Gibbs explains how the weather is making the situation so difficult.

Watch more Newsround videos