Thursday, 31 January 2019

Polar vortex: What is it and how does it happen?

The deep freeze gripping much of the US has been blamed on a polar vortex. Here's what that means.

from BBC News - World https://bbc.in/2Sex5LW
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Video shows scale of flash flood hitting Nepal-Tibet border

This video has been edited by the BBC with white flashes, due to the distressing content. from BBC News https://ift.tt/U8FpG0O