Sentences with phrase «than normal temperatures expanded»

As this relative polar warming increased during February, the NASA maps show that colder than normal temperatures expanded over North America through Canada and parts of the Northern U.S. even as a cold spell began to blossom in Europe.

Not exact matches

Do they expand and shrink in a change of temperature; because they have nothing better to do — OR, they expand when warmed, to increase the volume of the atmosphere = to release more heat AND, they shrink when cooled more than normal, to preserve heat.