[6] Every year parts of South Asia are hit by a period of heavy rains known monsoons which usually fall between June and September.

The rationale for the anomalous rainfall in 2018 might have recurred the extreme events in 2019; i.e., the High-Frequency Mixed Rossby-Gravity Waves in the Mid-Troposphere which were triggered by the synoptic disturbances of the tropical Pacific.

[7] These high-frequency waves manifested as cyclonic and anticyclonic circulations and dilated the wind field to establish zones of convection in the tropics, as they propagated across the Indian Ocean basin.

Although the Madden-Julian Oscillation phase with 20–40 days period has favored convection in the tropics, the high-frequency mode correlates better with the anomalous precipitation during the intervals of extreme events.

[11] However, inclement weather with heavy rains and landslides are hampering the rescue operations in the hilly regions of Wayanad, Malappuram, and Kozhikode districts.

A sum of Rs 4 lakh would be given to those whose houses had been fully damaged or had become uninhabitable and ₹10 lakh to those who had lost their houses as well as land in the rain fury and landslides, Chief Minister's cabinet meeting.Kerala Govt Announces Flood relief Package; Rs 10,000 Immediate Aid to Calamity-hit Families In August 2019, Public has been very generous contributing to Chief Minister's Distress Relief Fund.