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The South-West monsoon is making a steady progress, two days after its onset over the Andaman Sea.
On Friday, it advanced into most parts of south-east Bay of Bengal and Andaman Sea and some parts of south-west and east-central Bay of Bengal.
FURTHER ADVANCE
The India Meteorological Department (IMD) said that conditions are favourable for its further advance into parts of Maldives and the Comorin area.
It would also have covered the remaining parts of Andaman Sea, parts of south and central Bay of Bengal during the next three days.
Initial indications show that the ride-like formation in the central Arabian Sea that inhibits the progress of monsoon there might get straightened out by May-end.
The ridge (anti-cyclonic circulation) directs the winds to take a north-westerly direction as they approach the Kerala coast.
Winds need to be south-westerly-to-westerly to push in moisture across the equator to precipitate the onset over Kerala.
WEATHER WARNING
After covering the Maldives, the monsoon would check in over Sri Lanka before erupting over Kerala.
An IMD warning valid for the next two days said that heavy rainfall would lash parts of the Andaman and Nicobar Islands.
A thunder squall warning is in place for the entire northeast region even as heavy rains lashed parts of Assam during the 24 hours ending on Friday morning.
This is attributed to a helpful cyclonic circulation over Bihar and adjoining east Uttar Pradesh from which a trough of lower pressure extended into east Assam.
Meanwhile, heat weave conditions entrenched into the northwest and adjoining central India.
HEAT WAVE
The IMD said that heat wave conditions would continue to prevail over isolated pockets of Punjab, Haryana, Delhi and Rajasthan during next two days.
These conditions are also forecast for east Uttar Pradesh, Bihar, east Madhya Pradesh, Chhattisgarh, Orissa, Vidarbha and Telangana.
During the 24 hours ending Friday, blistering hear was reported from north Rajasthan, Bihar, Orissa, coastal Andhra Pradesh and Vidarbha.
Meanwhile, towards the south-east, a cyclonic circulation hanging over the Andaman Sea is being closely watched for signs of intensification. vinson.kurian@thehindu.co.in
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