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The Guardian - UK
The Guardian - UK
Lifestyle

What determines the speed at which clouds move?

Clouds over Lindisfarne castle in Northumberland.
Clouds over Lindisfarne castle in Northumberland. Photograph: Alamy

What determines the speed at which clouds move? We have 40mph winds and the clouds are moving past above me, but they are not going anywhere near as fast as the wind – also, wind speed increases with altitude.

Graham Martin, Aston Somerville, Worcestershire

• Post your answers – and new questions – below or email them to nq@theguardian.com. Please include name, address and phone number.

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