After a couple of days of delay, finally Monsoon has made a breakthrough over TN, Kerala & parts of Karnataka & Andhra on 28th October as most of the coastal regions and few parts of interior reporting moderate to heavy rains under the influence of a weak disturbance in Bay of Bengal. Few days back official agency, IMD had already indicated the possible onset conditions falling on 27/28th October so now with the necessary criteria being met, IMD has officially declared the onset. The disturbance in bay likely to persist and move close to TN adjoining Sri Lanka so moderate to heavy rain would occur over most parts of coastal TN & Isolated heavy rainfall would occur over one or two regions. Few interiors would see moderate rainfall for next few days.
Moderate to heavy rainfall warning for district(s)
Villupuram, Pudukottai, Kanchipuram, Tiruvallur, Kanyakumari & Chennai
Heavy rainfall warning for district(s)
Tiruvarur, Nagapattinam, Cuddalore, Ramanathpuram & Tuticorin