Sunday, November 22, 2009

Why south Tamilnadu is getting more showers??

This post we got thru an anonymous comment to one of our post.

Cloud movement from NORTH w.r.t Chennai is an indication that low pressure area is in down SOUTH. [22.11.2009/0600 UTC]. The Five Degree Latitude belt is active. This can be termed as [Easterly]wave like pattern, where troughs will be a point of formation of vortex or cyclonic circulation [anti clockwise]
This is December pattern and is known to weatherman. But this time the belt is far down south beneath five degree latitude. That is why south tamilnadu and SE coastal Tamilnadu is getting rain.

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