1. Wind: The Invisible Force

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. 1 December 2014. 58 min

Richard Hammond investigates how wind actually starts. He visits one of the windiest places on the planet, walks into the centre of a man-made tornado and creates a 10-metre high whirlwind - made of fire!

2. Water: The Shape Shifter

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. 8 December 2014. 58 min

Richard Hammond investigates the role water plays in the weather. He tries to weigh a cloud, finds out how rain could crush a car and starts an avalanche.

3. Temperature: The Driving Force

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. 15 December 2014. 58 min

Richard Hammond investigates the crucial role temperature plays in all weather. He builds a dust storm to discover how Saharan sand reaches the UK.