Future climate: Inside a rain measuring radar
25 March 2014 Last updated at 16:49 GMT
The BBC's Science Editor David Shukman takes a look at how rain in the air is calculated through a radar system.
British winters are likely to become milder and wetter like the last one but cold spells still need to be planned for, says the UK Met Office.
The Dorset tower is part of a network of 15 radar systems in the UK.