23:40Weather Watchers with Barra BestShortsEpisode 9BBC Two Northern Ireland Duration: 13 minutes Sun 18th Sep 2016, 23:40 on BBC Two WalesAvailable for 8 monthsWatch nowBarra Best meets organic farmer John McCormick in County Down and explores the Marble Arch caves.ContributorsPresenter:Barra BestProducer:Maeve Ó CatháinGenresFactualScience & NatureNature & EnvironmentFormatsDocumentariesBrandWeather Watchers with Barra BestSeriesWeather Watchers with Barra Best: Shorts Source: BBC Online