polar vortex, coldest of Arctic

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...
Maps show what to expect as the ... single digits for the Central Plains. On Monday, the polar vortex will reach the Deep South, with temperatures down to the freezing point of 32 degrees ...
The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...
The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope to answer many remaining questions. Miles above the Earth, two bands of ...
Meteorologists and the Met Office have given verdicts into the polar vortex 'dislocation' which could spark winter hell for ...