The IMD has forecast isolated showers in seven districts - almost all of them in northern Kerala. The seven districts are Thrissur, Palakkad, Malappuram, Kozhikode, Wayanad, Kannur and Kasaragod.
Odisha was hit by 98 cyclones between 1891 to 2000. Most of the major cyclones that hit the Odisha coast took place in October.
This is the second cyclone to hit the region in the last four months.
The report, prepared by more than 530 scientists from over 60 countries, including India, was released in the US on Wednesday..
Heavy rainfall is expected in Malappuram, Kozhikode, Kannur and Kasaragod districts.
Why do cyclones have names at all? Onmanorama dives deep to find answers to some frequently asked questions.
The prime minister expressed solidarity with all those who suffered due to the cyclone and expressed deep sorrow to the families who have lost their kin in the calamity.
The mortality rate due to tropical cyclones has come down significantly over the past 10 years.
PM Modi will visit Odisha and West Bengal on Friday and will chair review meetings in the two states to assess the impact of the cyclone.
Landfall of Cyclone Yaas began at 9 am near Dhamra port in Odisha's Bhadrak district on Wednesday.