A cyclonic circulation is likely to come up over south coastal Andhra Pradesh and adjoining Bay of Bengal region. The northeast-southwest trough extending from south Chhattisgarh to north Tamil Nadu is expected to move further inwards.
As a result, Southwest Monsoon will remain active over Tamil Nadu, Andhra Pradesh and south interior Karnataka. Rain will increase over these areas after 48 hours and continue for at least 2 days.
During the weak and break Monsoon conditions also, Monsoon systems have a tendency to appear in the lower latitudes in the Bay of Bengal off Tamil Nadu and Andhra Pradesh coast.
Monsoon in Tamil Nadu so far
Tamil Nadu observes less rain during the Monsoon season. However, it was one of the very few pockets that observed a surplus of 4% in June, while the entire country was experiencing scanty or deficit rain.
Being in the rain shadow area, even a minor fluctuation in rainfall amounts either pushes up the deficit figure or pulls it down. This can easily be understood from the fact that June was surplus, while July was deficit by 25%. As of date (from 1st June) the deficit now stands at 3%.
Monsoon in Telangana so far
The Telangana sub-division in southern peninsula has been deficit since the onset of Monsoon in June. In fact, rain deficit has always remained higher than the cumulative deficit of the country.
It is also the worst performer among the eight sub divisions in southern peninsula which include Coastal Andhra Pradesh, Rayalaseema, Tamil Nadu & Puducherry, Coastal Karnataka, South Interior Karnataka, North Interior Karnataka and Kerala.
Till 20th July, Telangana was observing a rainfall deficit of 50% but some scattered rain during the last week of July pulled it down to 47%. However, it has again risen to settle at 53% currently.
According to latest weather update by Skymet Meteorology Division in India, hopefully, this spell of rain will bring down the rain deficit to some extent, though significant rain is expected mainly over coastal Andhra Pradesh and Rayalaseema region.
By: Skymetweather.com
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