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6 Episodes 2016 - 2016
Episode 1
29 mins
Dr Helen Czerski begins the series by looking at the anatomy of an avalanche, using shocking eyewitness footage from within an avalanche and CT scans showing the microscopic changes that cause them.
Episode 2
29 mins
Helen uses eyewitness footage of eruptions, new thermal imagery and high-speed photography to understand the complex processes captured on camera when volcanoes erupt.
Episode 3
29 mins
Helen examines the hottest natural phenomenon on Earth - lightning. She explains how specialist photography is revealing how lightning travels through the air and high-speed cameras are showing upward lightning.
Episode 4
30 mins
Helen looks into some of the latest scientific insights into the aurora, from networks of cameras capturing its vast scale to experiments that test the threat that it poses to modern technology.
Episode 5
29 mins
Dr Helen Czerski peers into the heart of the storm, looking at the fastest winds on the planet - tornadoes. Helen discovers how studying the subtle changes within the storm can improve predicting when and where they will strike.
Episode 6
29 mins
The series concludes by looking at some of the technological advances that are improving our understanding of icebergs. From satellite imagery to side-scanning radar that scrutinises the edges of the glaciers where they form.