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Sudden change in Stratospheric wind patterns for the first time in 60 years: NASA

Scientists at the NASA have been observing steadily circulating wind pattern in the tropical stratosphere for six decades. The earth's surface and the pattern remained same till 2015.


  |  Updated On : September 06, 2016 07:43 PM
Sudden change in Stratospheric wind patterns for the first time in 60 years: NASA

Sudden change in Stratospheric wind patterns for the first time in 60 years: NASA

New Delhi :  

Scientists at the NASA have been observing steadily circulating wind pattern in the tropical stratosphere for six decades. The earth's surface and the pattern remained same till 2015.

The sudden change in the wind patterns has left scientist surprised for the first time. In simple language quasi-bennial oscillation is also known as wind circulation is a wind pattern in stratosphere. NASA started noticing the change in stratospheric wind pattern also known as “quasi-biennial oscillation” or QBO in 1953.

QBO helps scientists in predicting the weather changes.According to the study it has been found that by the end of 2015 the winds coming from west started changing their pattern and stood right back upward blocking of the eastern winds. This change in the new pattern lastedfor almost half a year, and by the end of July 2016  the old regime seemed to resume.

According to Scientists at NASA's Goddard revealed that the sudden change in stratospheric wind pattern in a paper in Geophysical Research Letters. “The quasi-biennial oscillation is the stratosphere’s Old Faithful,” Paul Newman, lead scientist on the paper from NASA Goddard said in a statement.

“If Old Faithful stopped for a day, you’d begin to wonder about what was happening under the ground.”Other aspect for such changes can  due to large volcanic eruptions or meteorite impacts affecting the global climate on Earth. Exact reason is not yet found, but according to some researchers it has been said that changes in stratosphere could be the reason for global rise of temperature on Earth.

First Published: Tuesday, September 06, 2016 06:49 PM
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