The weather department on Tuesday noted that the low-pressure area over the southeast Bay of Bengal and adjoining south Andaman Sea now lies as a well-marked low-pressure area over Southeast Bay of Bengal with associated cyclonic circulation extending up to mid-tropospheric levels.
“It is likely to move west-northwestwards and concentrate into a depression over the southeast Bay of Bengal by today (Tuesday) evening. Thereafter, it is likely to continue to move west-northwestwards, intensify further gradually into a cyclonic storm around December 7 evening and reach Southwest Bay of Bengal near off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts by December 8 morning. It will continue to move westnorthwestwards towards north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during subsequent 48 hours,” a bulletin read.
According to the Regional Meteorological Centre (RMC), Chennai, rainfall is likely to occur over most places in Tamil Nadu, Puducherry and Karaikal from Wednesday.
As per the release from the Tamil Nadu revenue and disaster management department, a total of 366.2 mm rainfall has been received from October 1 to December 5.
The India Meteorological Department (IMD) has forecasted heavy to very heavy rainfall in Tamil Nadu and Puducherry for the next three days.
According to the latest bulletin from the weather department, a low pressure area has formed over south Andaman Sea and the neighbourhood at 5.30 am on Monday under the influence of a cyclonic circulation over south Andaman Sea and adjoining equatorial Indian Ocean near the Strait of Malacca.
It was noted that the low pressure is likely to move west or northwestwards and concentrate into a depression over the southeast Bay of Bengal by Tuesday evening. Thereafter, it is likely to intensify further gradually into a ‘cyclonic storm’ and reach southwest Bay of Bengal near north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts by December 8 morning.
