This meteorological phenomenon generates air currents flowing from Asia toward Australia, transporting significant moisture that results in substantial precipitation across the region.

The situation was further influenced by El Niño-Southern Oscillation patterns, with an anticipated La Niña phase predicted to exacerbate extreme weather conditions through increased rainfall as Pacific Ocean temperatures decrease and easterly trade winds intensify.

[1] The Malaysian Meteorological Department projected between five and seven major rainfall events during the 2024 annual monsoon season in Malaysia, which typically spans from November through March.

[19] On 29 November 2024, the Malaysian National Disaster Command Centre reported that flooding had claimed three lives and necessitated the evacuation of approximately 95,000 individuals from their residences.

On 1 December 2024, 148,024 people sought refuge in emergency shelters established throughout 10 affected states: Kelantan, Terengganu, Pahang, Johor, Malacca, Negeri Sembilan, Selangor, Perak, Kedah, and Perlis.

[28][29] Many areas in Bintulu, Serian, Siburan, Simunjan, Kuching, Bau, and Miri of Sarawak were affected by floodwaters and landslides, and 1,097 evacuees from 294 families have been placed in 14 temporary relief centres around the state.

[32] By 06:00 am (UTC+8) of 30 January 2025, the National Disaster Management Agency (NADMA) of Malaysia said 7,397 victims from 2,127 families have been evacuated to 54 active temporary relief centres across both Sarawak and Sabah.

Deputy Prime Minister Ahmad Zahid Hamidi, who coordinated the disaster response efforts, mobilised substantial resources to manage flooding emergencies.

[3] The Department of Social Welfare (Malaysia) [simple] (JKM), in collaboration with other disaster related agencies, has mobilised immediate aid to assist flood victims across Sarawak.