Question

what is polar vortex?
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Answer 1

Answer:

a very large, long lived , rotating low system located near the north or south pole especially in winter

Explanation:

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Answer 2

Polar vortex:

The constant, upper level low pressure which rotates counter clockwise at the north pole and clockwise at the south pole is known as polar vortex$.$

• When the vortex spins above the stratosphere, weather patterns are developed.
• Polar vortex is highest during the winter.
• Polar vortex is lowest during the summer.
• When polar vortex weakens, It creates more acute winter conditions which can be dangerous.
• Polar vortex at the north pole expands during winter.
• Polar vortex surrounds the antartica by the wind formed in the stratosphere.