The South Indian region has seen some heavy rainfall activity with many parts recording over 50 mm of rains. Moreover, in the last 24 hours from 8:30 am on Tuesday, Karaikal recorded a good 78 m, Kozhikode 86 mm, Coimbatore 61 mm, Cannur 59 mm, Erode 24 mm, Coonoor 23 mm.
These rainfall activities are attributed to a cyclonic circulation which is over the south-west Bay of Bengal adjoining Gulf of Mannar. A trough is also extending along Tamil Nadu and Andhra Pradesh coast. Both these features will be persisting for sometime over the region.
Therefore, moderate to heavy rainfall activity is expected to continue over Kerala, Tamil Nadu, parts of south interior Karnataka as well as coastal Andhra Pradesh for the next 4 to 5 days. However these heavy rainfall activities will still not amount to any has it is weather conditions.