Extreme cold still happens in a warming world – in fact climate instability may be disrupting the polar vortex
While the world can expect fewer of severe cold events in the future, many regions need to remain prepared for exceptional cold when it does occur
Texas deep freeze: Satellite images how the state plunged into darkness in days
The historic cold blast claimed almost 30 lives in Texas
Winter is here: Coldest winds of the season hit US
The polar vortex has split into three and that has brought down temperatures to life-threatening levels in parts of US, Europe and Asia
Just what exactly is a polar vortex?
While the weather phenomenon has acquired currency in international media in the last 2 decades, it is much older than is thought