Sudden Stratospheric Warming
January 28 , 2021
1429 days
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- The Southern India received excessively heavy rainfall (ten times the normal) between January 1, 2021 and January 17, 2021.
- This winter rain, according to the scientists, is due to sudden stratospheric warming that occurred in Arctic region.
- The Sudden Stratospheric Warming is an event where the polar stratospheric temperature increases up to fifty degrees Celsius.
- It is preceded by a situation where the polar jet stream of westerly winds in the northern hemisphere is disturbed by natural weather patterns.
- This is usually addressed as polar vortex.
- It is a whirling cone of low pressure over the poles.
- It is the strongest in winter.
- It is due to the difference in temperature between polar and mid latitude regions.
- It spins in the stratosphere.
- The Stratosphere is the layer of the atmosphere at a height of ten to fifty kilo metres above the earth surface.
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