MONSOON DYNAMICS
Upper air jet streams are high velocity winds which occur high up in Earth's atmosphere. Many kilometres up.
As the south west monsoon approaches the jet stream is pushed up over Tibet as temperatures there rise.
So the pushing up of the jet stream is one of the indicators that the monsoon is coming.
In fact the Jet Stream Theory says the shifting of the jet stream is the cause of the SW monsoon.
ABOVE AVERAGE RAINFALL LIKELY IN MAY
Latest CFS monthly rain forecast for May 2016 is interesting.
The green and blue colors on India, Bangladesh, Pakistan, Sri Lanka and Oman indicates above average precipitation in these countries.
Pre-monsoon rainfall in May is likely to be vigorous this year. With 2 to 6 inches above average. In many areas.
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