A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

She said the strange lights looked like a "white swirling galaxy floating" above her house ... it can appear as a vortex like effect due to low temperatures at altitude and the disturbed air ...