Measuring Tornadoes | Wild Weather with Richard Hammond
Richard Hammond measures the wind speed of a tornado.
Tweet- Clip length: 5'23''
- Broadcast year: 2014
- Geography | Natural hazards | Tropical storms | Weather hazards
Licence: ERA Licence required
UK only
Staff and students of licensed education establishments only
Cannot be adapted
- Provider: BBC
- Channel: BBC Four
- Programme: Wild Weather with Richard Hammond
- Episode: Wind: The Invisible Force
![](https://era.org.uk/app/uploads/2024/07/britains-wildest-weather-400x230.jpg)
2020 | Britain's Wildest Weather
Footage of the most extreme weather conditions in the UK over the past year, from the worst floods in a decade and a freak landslide in Fife, to an account of being in a house when it is struck by lightning. The programme also explains the scientific reasons behind the wildfire that destroyed one of the UK's most precious nature reserves, as well as a look back at record-breaking days of both heat and rain.
![](https://era.org.uk/app/uploads/2023/10/hurricane-400x230.jpg)
How hurricanes are formed by Earth's rotation | Learning Zone
Physicist Helen Czerski explains that hurricanes happen because the earth is rotating. She shows how, because the earth is a spinning globe, its atmosphere is controlled by something called the coriolis effect.