Cyclone Fengal unleashed unprecedented rainfall, with Tamil Nadu witnessing a year's worth of rain in just 36 hours and Puducherry recording its highest 24-hour rainfall in 30 years. Flooding disrupted transport and inundated housing colonies. Tamil Nadu CM M.K. Stalin inspected affected areas as rescue operations evacuated hundreds. The IMD forecasts heavy rain till December 2 and issued an orange alert for Kanchipuram due to overflowing dams.

More than 30,000 people have been forced to flee their homes due to severe flooding in southern Thailand, where the death toll climbed to 29, officials said on December 4.

More heavy rain is forecast in the area, where over 155,000 households have already been affected by flooding, according to the Thai government's public relations department.

Five southern provinces have been hit -- Pattani, Narathiwat, Songkhla, Nakhon Si Thammarat and Phatthalung -- forcing more than 33,000 people to leave their homes, the spokesperson for Thailand's ministry of public health said in a statement.

Disaster response teams were working to drain floodwater and evacuate flood victims to dry areas, the country's disaster agency said on its Facebook page.

The death toll now stands at 29, up from 25 reported on December 3.

At least 20 people have died after landslides submerged several villages in a mountainous area of Uganda. More than 100 others are still missing and the death toll is expected to rise. Relief workers are combing through the rubble of dozens of homes.

Heavy rains this week triggered widespread flooding across several Malaysian states, forcing over 80,000 people to evacuate and leaving four dead, officials said on Friday.

Disaster officials said that four people have died across the states of Kelantan, Terengganu and Sarawak. And officials at the National Disaster Command Centre confirmed that 80,589 people were moved to 467 temporary shelters across seven states.

The disaster centre confirmed deployment of search and rescue teams to assist operations in affected regions, particularly in Kelantan. The northeastern regions of Kelantan and Terengganu experienced the most severe impact.

At least 27 have died after flash floods and landslides hit the north of Indonesia's Sumatra island.

Torrential rain started striking North Sumatra province last week, causing flash floods and landslides in four districts, with extreme weather expected through to the end of the year.

As of Thursday morning, at least 27 have died as a result of the conditions.

At least 12 people have been killed due to flooding and landslides in Sri Lanka, authorities said on Thursday.

Rescue teams said they had recovered the bodies of four children who were swept away by the floodwaters while they were riding on a tractor in the town of Eravur on the east coast.

Others remain missing after torrential rains, flash floods and landslides caused devastation in eastern and central parts of the South Asian country.

The powerful but slow-moving storm, which is now heading toward India, has forced more than 250,000 people in Sri Lanka to flee their homes, according to the island nation's Disaster Management Center.