Weather World26/08/2017BBC News Duration: 30 minutesFirst broadcast: Sat 26th Aug 2017, 00:30 on BBC News ChannelLatest broadcast: Wed 30th Aug 2017, 03:30 on BBC News Channel HDThe BBC Weather team take to London's rooftops with urban forecasters to explore why city weather is so different to the coast or the countryside.ContributorsPresenter:Nick MillerPresenter:Sarah Keith-LucasProducer:Nina GoswamiCamera Operator:Anthony CliffordGenresWeatherFactualScience & NatureNature & EnvironmentBrandWeather World Source: BBC Online