What is northeast monsoon that is causing heavy rains in Tamil Nadu? - India Today

The Northeast Monsoon rains have commenced over coastal Tamil Nadu, Puducherry & Karaikal, and adjoining areas of south Coastal Andhra Pradesh.

Northeast monsoon seasonal composite anomalies of the rainfall (mm

Chennai Rain News: Tamil Nadu Monsoon arrives, city to get light

Monsoon - Wikipedia

Heavy rain in TN, death toll mounts to 71 : The Tribune India

Chennai rains: Depression over Bay of Bengal likely to weaken into

Monsoon active, rain resumes in parts of Tamil Nadu

The IMD says India has just finished a satisfactory northeast

Parts of Tamil Nadu record 950 mm (37 inches) of rain in 24 hours

India: Monsoon rain to heighten flooding risk across south

2015 South India floods - Wikipedia