The document discusses the heavy snowfall that occurred in February 2009 in the UK. It provides details on how much snow fell in different locations like Scunthorpe and London. It explains how snow forms from water vapor condensing into ice crystals. The document also analyzes why Scunthorpe received so much snow, tracing the cold air masses from Eastern Europe. Temperature records for London and other parts of the UK are presented. Students are assigned an activity to write a magazine report about the snowfall incorporating details from the document.