Question

Which of the following statement/statements are correct about the Polar Vortex?

A. The Polar Vortex is a large area of low pressure and cold air over Earth’s North and South Poles.
B. Polar Vortex is associated with the Jet Stream.
C. A weak Polar Vortex allows the cold Arctic air to move southward.

Answer Options:

1. A and B only
2. B and C only
3. A and C only
4. A, B and C

Answer 1

Correct Answer: 4. A, B and C

Explanation with Sources:

• Statement A: Correct. The Polar Vortex is a large area of low pressure and cold air that surrounds Earth's North and South Poles. It is a natural feature of the atmosphere that traps cold air in the polar regions.

  • Source: National Oceanic and Atmospheric Administration (NOAA). Link to Source

• Statement B: Correct. The Polar Vortex is closely associated with the Jet Stream, which acts as a boundary between cold polar air and warmer air from lower latitudes.

  • Source: National Weather Service (NWS). Link to Source

• Statement C: Correct. A weakened Polar Vortex allows cold Arctic air to move southward, causing extreme cold weather in areas that normally experience milder winters.

  • Source: NASA Earth Observatory. Link to Source