What exactly is a jet stream and how does it affect the weather? Learn this and more in the latest lesson from SciJinks, brought to you by NOAA's GOES-R series of satellites! Full lesson: go.usa.gov/xpJFj | NOAA Satellite and Information Service

The Jetstream is currently weak and split, lying to both the north and south of the UK. However, it is set to strengthen into a single jet over the next few days and lie across the UK. This change will bring more unsettled weather for all as we head into the weekend, but it will be less cold as a result. | Met Office

Why is it unsettled? We’re currently on the cold side of a strong #jetstream which is bringing low pressures towards us. By next week the jet stream moves further north which means some slightly warmer weather, especially in the south. | Met Office

The jet stream, a fast moving ribbon of air, has a significant influence on our weather. The position of the jet stream this week will drive a move away from low pressure to bring high once again over the UK. This will in turn bring more settled weather for most of us. Here are the details… | Met Office