An air mass is a large volume of air which travels from one area to another. An air mass is a large body of air - usually thousands of kilometres wide. It will remain over a place for a period of ...

This scenario is unfortunately not uncommon and the reason why has everything to do with geography ... the Mid-South gets clashing air masses. “You can get the arctic air that descends ...

How do air masses affect UK weather ... quick guide to all you need to know about weather systems for National 5 Geography. use the links at the end of each section if you want to find out ...