These maps show where brutal cold will move across the U.S. this week
In more than 100 locations, the cold could lead to record low temperatures, with a similar number of record cold high ...
Map Shows States To Be Hit Hardest by Winter Storms This Week
A winter storm is set to bring snowfall from the Central Plains to the mid-Atlantic, while dangerously cold air spreads from the Great Plains to the Northeast.
BBC1y
Air masses affecting the UK
There are five main air masses which affect the UK as detailed by the map below. A polar continental air mass comes from eastern or north eastern Europe. It brings dry weather. As it comes from ...