Development of Natural Disaster Situations in Indonesia December 5, 2025, Floods in Sumatra to Subang Jabar

Summary of News: Hydrometeorological disasters occurred in several areas, in the West Java Province and on the Sumatra Island. This includes floods in several areas in Aceh, North Sumatra (Sumut), and West Sumatra (Sumbar), to Subang Regency. Additionally, flash floods hit the northern coastal areas of West Java. Specifically in Indramayu Regency on Thursday. The National Disaster Management Agency (BNPB) released the development of natural disaster situations in Indonesia on Friday, December 5, 2025. Disaster occurrence reports and natural disaster response are compiled by BPNB from Thursday, December 4, 2025, at 07.00 AM to Friday, December 5, 2025, at 07.00 AM. Several hydrometeorological disasters occurred in various regions, such as areas in Sumatra to Subang, West Java. Hydrometeorological disasters are triggered by weather activities such as hydrological cycles, rainfall, temperature, wind, and humidity. Hydrometeorological disasters include droughts, floods, storms, forest fires, landslides, whirlwinds, cold waves, and heatwaves. Cities/counties in the North Sumatra Province (Sumut) were also affected by floods and landslides. From Medan City, Langkat District, to Sibolga City, and South Tapanuli and Central Tapanuli Regencies. Subsequently, flash floods hit the Subang area on Thursday, December 4, 2025, around 07.00 AM. These flash floods were caused by heavy rainfall, resulting in a rise in sea levels that flooded residential areas. Development of Natural Disaster Situations in Indonesia December 5, 2025: 1. Flood in Sumatra Since floods and landslides hit Sumatra Island, the total number of deaths reached 836 by Thursday evening. “Until this evening, the number of deaths has increased to 836,” said the Head of Data, Information, and Communication Center (Kapusdatinkom) of BNPB, Abdul Muhari, at a press conference at Iskandar Muda Air Base, Aceh. Abdul stated that most disaster victims were found in Aceh. “Today, 48 victims were found, bringing the total in Aceh Province to 325 deaths,” he said. Meanwhile, in North Sumatra, 12 bodies were found, bringing the total number of deaths there to 311 people. “And for West Sumatra, 6 more victims have brought the death toll to 200,” he explained.