What exactly is a jet stream and how does it affect our weather? Darren Bett takes a look. Jet stream explained. Video, 00:02:20Jet stream explained Up Next. How do UK weather warnings work? Video, 00 ...
The jet stream causes changes in the wind and pressure high up, which affect things nearer the surface, such as areas of high and low pressure. This helps shape the weather we see. The Met Office says ...
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