JAKARTA - The Meteorology, Climatology and Geophysics Agency (BMKG) predicts that most major cities in Indonesia are potentially hit by light to moderate rain on Wednesday, December 31.
In the BMKG weather early warning system, for the Sumatra region, the big cities that are potentially hit by light to moderate rain are Aceh, Medan, Tanjung Pinang, Padang, Jambi, Bengkulu, Palembang, and Pangkal Pinang.
"Pekanbaru and Bandar Lampung are predicted to experience heavy rain accompanied by lightning," said BMKG Praktirawan Yuyun in a broadcast from Jakarta.
Light to moderate rain is also potentially occurring in Jakarta, Bandung, Semarang, Yogyakarta, and Surabaya. Meanwhile, Serang has the potential to be hit by heavy rain accompanied by lightning.
In Kalimantan Island, cities such as Pontianak, Palangka Raya, and Banjarmasin, are predicted to be hit by heavy rain accompanied by lightning. Tanjung Selor and Samarinda only have light to moderate rain.
"Unlike Bali and Mataram, which have the potential to be covered by thick clouds. Meanwhile, Kupang is predicted to have light rain," he said.
For the island of Sulawesi, he continued, light to moderate rain is likely to occur evenly in major cities such as Mamuju, Palu, Makassar, Kendari, Palu, Manado, and Gorontalo.
Moving to the easternmost region, cities such as Ternate, Ambon, Sorong, Nabire, Jayawijaya, and Merauke are predicted to be hit by light to moderate rain. Meanwhile, Jayapura and Ternate are predicted to be cloudy.
BMKG Head Teuku Faisal Fathani emphasized that reliable, integrated, and sustainable information management from upstream to downstream is the main pillar in the management of hydrometeorological disaster risk.
Strong information is considered an important foundation to support early warning systems, mitigation efforts, and effective disaster decision-making.
Meanwhile, the National Disaster Management Agency (BNPB) asked local governments (Pemda) to immediately check the readiness of disaster mitigation starting from tools, devices, personnel, and budgets ahead of the 2026 New Year celebrations.
Head of the BNPB Data and Information Center, Abdul Muhari, said that in anticipation of the upstream, his party worked with the BMKG to modify the weather at several points based on the BMKG's forecast that required intervention to prevent hydrometeorological disasters.
"To anticipate the head, we also modify the weather at several points that according to BMKG need to be intervened with weather modification. So, we reduce the trigger aspect, we complete the readiness of the local government," he said.
He reminded that weather forecasts in Indonesia are very dynamic, especially ahead of the New Year with an increasing volume of community movement in the area, especially in tourist areas prone to disasters. Therefore, all local governments are asked to continue to follow the BMKG weather forecast updates.
The English, Chinese, Japanese, Arabic, and French versions are automatically generated by the AI. So there may still be inaccuracies in translating, please always see Indonesian as our main language. (system supported by DigitalSiber.id)
