Record rainfall and floods hit Paris
A storm unleashes the heaviest July rainfall on record in the French capital.
Asperitas and volutus are amongst the new clouds added. The atlas itself dates back to the 19th century, and this is the first revision since 1987. It is available to view online, and also includes weather phenomena such as snow devils and rainbows.
But how do we identify different types of clouds - and what do they mean for the weather?
BBC Weather's Ben Rich explains.
A storm unleashes the heaviest July rainfall on record in the French capital.
Tomasz Schafernaker takes us through this quick animation explaining why showers are difficult to forecast.
Louise Lear takes a look at how our weather can influence the pollen count.
An explanation of the wind gusts symbol in our forecasts.
Ever wondered why the temperature reading on your thermometer may be different to those you see or hear on air?
Matt Taylor explains how the body reacts to high temperatures.