The northeast monsoon rainy season commenced in Tamil Nadu on 17th October. There has developed a cyclonic format in the upper layers of the atmosphere over the zone near Sri Lanka. Due to this, there are prospects of rain in the South Tamil Nadu.
Director of the Chennai Meteorological Centre, Puviyarsasan shared in this regard:
‘The cyclonic format which developed over the zone near Andaman has intensified further as a depression zone. It is expected that this format will drift towards the Tamil Nadu coastal regions on 6th November.
There is another cyclonic format prevailing over the zone near Sri Lanka. Due to this, there are prospects of mild to medium rain in the next 24 hours (today - Monday, 4th November).
Further, there are prospects for mild rain in a few places in the coastal districts due to the thermal convection rain phenomenon.