Polar vortex to blast Britain with ‘roller coaster’ of temperatures as ‘volatile’ conditions swoop across UK
Britain is set for a "roller coaster of temperatures" as a volatile polar vortex threatens to bring dramatic weather changes throughout December, forecasters have warned.A Netweather spokesperson explained that the jet stream will alternate between periods of meridional and zonal flow, causing temperatures to fluctuate significantly as arctic air masses move across the country.The unstable conditions are expected to begin this week, with mild southerly winds being replaced by a […]