London could face a repeat of the Beast from the East as polar vortex threatens winter freeze: How it could affect the weather | World News
London could face a spell of unusually cold weather this winter as a disruption to the polar vortex raises the possibility of Arctic air moving towards the UK. The polar vortex, a vast circulation of cold air high above the Arctic, can influence winter weather patterns when it weakens or becomes distorted, potentially allowing colder…