Europe could face colder weather as polar vortex weakens

Disruption to winds above Arctic threatens to alter weather patterns across parts of continent in coming weeksThe stratospheric polar vortex over the northern hemisphere is facing the prospect of an unusually early weakening. Forecast models suggest it could weaken significantly over the next 10 days, when it would typically be strengthening.A major sudden stratospheric warming (SSW) event is possible. This…