Polar Vortex February 2024 Predictions In India. Learn how the arctic oscillation (ao) and polar vortex (pv) influence extreme and persistent temperature patterns in north america and europe. Over the past week, arctic cold has swallowed much of the.

A positive arctic oscillation (left) is associated with a strong, stable polar vortex,. Adding to the uncertainty, emerging research suggests that climate change may be playing a role in weakening the southern polar vortex.