New Delhi: With a distorted polar vortex, the world has been experiencing extreme weather at various countries.
Polar vortex is a large cyclone over the earth's geographical poles.
These are low pressure winds which strengthen in winter and weaken in summer due to the temperature differential between the equator and the poles.
Researchers have found a correlation between a weak polar vortex and severe cold in northern hemisphere.
Ozone depletion and global warming are the root cause of such weather anomalies round the globe, here is a compilation of 11 extreme weather records:
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