Synopsis

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.

Further Information

More clips from Wild Weather with Richard Hammond

1: Wind: The Invisible Force | Wild Weather with Richard Hammond

BBC One | 2014 | 57'58''

Richard Hammond investigates how wind actually starts. He walks into the centre of a man-made tornado and vi...

3: Temperature: The Driving Force | Wild Weather with Richard Hammond

BBC One | 2014 | 57'57''

Richard Hammond investigates the crucial role temperature plays in all weather. He builds a dust storm ...

Avalanche | Wild Weather with Richard Hammond

BBC Four | 2014 | 1'36''

Richard Hammond discusses the potential power of snow in the form of an avalanche.

Dust Storms | Wild Weather with Richard Hammond

BBC Four | 2014 | 7'21''

Richard Hammond explains what happens inside a dust storm.

Fire Whirl | Wild Weather with Richard Hammond

BBC Four | 2014 | 6'23''

Richard Hammond demonstrates a fire whirl and explains how fire accentuates wind speed.

Hail | Wild Weather with Richard Hammond

BBC Four | 2014 | 2'26''

Richard Hammond explains how hail is formed by looking at the layers inside a hail stone.

Measuring Tornadoes | Wild Weather with Richard Hammond

BBC Four | 2014 | 5'23''

Richard Hammond measures the wind speed of a tornado.

Measuring Wind Speed | Wild Weather with Richard Hammond

BBC Four | 2014 | 2'41''

Richard Hammond explains how the 'Dominator' measures the wind speed of a tornado.

Powder Avalanche | Wild Weather with Richard Hammond

BBC Four | 2014 | 4'26''

Richard Hammond explains what is going on in an avalanche.

Rain Versus Drizzle | Wild Weather with Richard Hammond

BBC Four | 2014 | 2'25''

Richard Hammond explains how rain is formed and why it is different to drizzle.

Rainfall | Wild Weather With Richard Hammond

BBC One | 2014 | 6'13''

Why does water fall as rain? Richard Hammond demonstrates the effect of water on other physical objects.

Sand Storms | Wild Weather with Richard Hammond

BBC Four | 2014 | 3'17''

Richard Hammond demonstrates how sand can travel all the way from the Sahara Desert to Britain.

Snowflakes | Wild Weather with Richard Hammond

BBC Four | 2014 | 5'08''

Richard Hammond explains the constantly changing shape of snowflakes.

Thunder and Lightning | Wild Weather with Richard Hammond

BBC Four | 2014 | 3'20''

Richard Hammond demonstrates the weather conditions that produce thunder and lightning.

Tornado | Wild Weather with Richard Hammond

BBC Four | 2014 | 1'50''

Richard Hammond explains what causes a tornado.

Wind Speed | Wild Weather with Richard Hammond

BBC Four | 2014 | 2'43''

Richard Hammond experiences extreme wind and explains why it always tends to be windy at the top of a mountain.

More from Richard Hammond

1: Wind: The Invisible Force | Wild Weather with Richard Hammond

BBC One | 2014 | 57'58''

Richard Hammond investigates how wind actually starts. He walks into the centre of a man-made tornado and vi...

1: The Centre of the Planet | Richard Hammond's Journey To...

BBC One | 2011 | 58'03''

Richard Hammond uses a giant 3D virtual Earth, stunning CGI, the latest satellite imagery and beautiful locatio...

Off The Scale | Richard Hammond's Invisible Worlds

BBC HD | 2010 | 59'15''

The human eye can see extraordinary detail, but the eye of a needle held at arm's length is pretty much at the limit of ou...