The jet stream is a key atmospheric phenomenon that plays a crucial role in shaping day-to-day weather patterns.

There are five main air masses which affect the UK as detailed by the map below. A polar continental air mass comes from eastern or north eastern Europe. It brings dry weather. As it comes from ...

For example, the Polar Maritime Air Mass originates in the Poles and travels over the Arctic Sea, therefore it brings cold and wet weather. The Tropical Continental air mass originates in the ...