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A weather-creating low-pressure area has sprung up over the south-east Arabian Sea and is bringing considerable amounts of rain over south peninsula.
Easterly winds are seen pushing the systems farther into the Arabian Sea; the India Meteorological Department (IMD) expected it intensify a round soon.
HEAVY RAIN
Easterly winds dragged in by the system would bring heavy to very heavy rainfall over Lakshadweep on Tuesday.
Convective (rain-bearing) clouds were seen rising over south peninsular India, south Bay of Bengal, South Andaman Sea and south-east and east-central Arabian Sea.
Heavy rainfall has been forecast at one or two places over Tamil Nadu and Kerala as well.
The Bay of Bengal is also getting into action with heavy rainfall expected to break out over Andaman and Nicobar Islands on Tuesday and Wednesday.
This will be heralded by a low-pressure area expected to form over South Andaman Sea by Wednesday.
BAY SYSTEM
The IMD has joined the outlook for intensification of the system in the Bay and its further movement in the west-north-west direction.
A few global models expect it to become a storm and head for a landfall over the east coast, although they differ on the choice of the likely target for a specific spot.
The US National Centres for Environmental Prediction suggests the Andhra Pradesh coast as the likely landfall spot.
The European Centre for Medium-Range Weather Forecasts was less optimistic and suggested that the system could weaken as it approached the Tamil Nadu coast.
Interestingly, the US Naval forecasts saw one more storm developing during this phase — just off Kanyakumari around Saturday and digging north into south-east Arabian Sea.
RAINY WEEK
Meanwhile, an extended IMD outlook for the next seven days said saw rain or thundershowers at many places over extreme south peninsular India, Lakshadweep and Andaman and Nicobar Islands.
During the 24 hours ending Monday morning, the North-East monsoon was vigorous over Rayalaseema and Tamil Nadu.
It was only slightly less active over interior Karnataka and Kerala during this period. .
Rainfall occurred at most places over Tamil Nadu, Kerala and Lakshadweep and at many places over coastal and south Andhra Pradesh, coastal and south interior Karnataka.
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