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TEMPO.CO, Jakarta - The Meteorology, Climatology, and Geophysics Agency (BMKG) emphasizes the importance of rapid response from regional governments in following up on early warnings of extreme weather that have been issued. In recent days, heavy to extreme rainfall has occurred in several areas, including the city of Cirebon, Riau, Bogor Regency, Mimika Regency, Padang Pariaman Regency, and Manggarai Regency.
The head of BMKG, Dwikorita Karnawati, emphasizes the role of regional governments in disaster mitigation, especially in ensuring that every early warning is followed up with anticipatory measures in the field.
"Early warnings are not just information, but also a call to action," she said in a written statement on Tuesday, March 4, 2025. The speed and readiness to respond to early warnings of extreme weather are crucial in mitigating risks, both in terms of loss of life and material losses.
According to BMKG, she said, the agency has actively provided the latest weather information. However, she assessed that regional readiness to respond to early warnings still needs to be improved to reduce the impact of disasters that can threaten public safety. "The effectiveness of these early warnings is highly dependent on regional preparedness to respond with concrete steps," she said.
Dwikorita stated that BMKG understands that many areas are currently led by new regional heads who may still be in the process of adapting to the systems below them. Therefore, BMKG is ready to provide further assistance to ensure that the understanding of early warning systems becomes more optimal and can be translated into effective mitigation actions.
In addition, BMKG encourages the public to be more active in accessing weather information through official BMKG channels, in order to take early preventive measures.
Meanwhile, the Deputy of Meteorology at BMKG, Guswanto, mentioned the weather forecast for the period of March 4 - 11, 2025, which indicates high-intensity rain in several areas of Indonesia, especially in the western part and the Papua Islands.
Atmospheric waves, such as Equatorial Rossby, Low Frequency, and Kelvin, are predicted to remain active in most of Sumatra, the western part of Java, Kalimantan, Sulawesi, North Maluku, and the Papua Islands, which will impact the increase in the growth of rain clouds.
BMKG's latest analysis also shows the formation of cyclonic circulations in the Indian Ocean, precisely in the west of Aceh, and in the south of Papua. The presence of these cyclonic circulations causes a decrease in wind speed or convergence in various waters, including the Natuna Sea, the Banda Sea, the waters to the south of Sulawesi, the Arafura Sea, and Maluku. In addition, the convergence of winds is also detected stretching from the east coast of Riau to the Riau Islands, from West Sumatra to South Sumatra, from the southern Indian Ocean to the south of West Java, from East Kalimantan to South Kalimantan, and from the Sulawesi Sea to East Kalimantan. This condition has the potential to trigger an increase in rainfall in these areas and can affect maritime activities and coastal communities.
On the other hand, the Madden-Julian Oscillation (MJO) phenomenon, which is still active in the Papua Islands, also strengthens atmospheric dynamics in the eastern part of Indonesia. MJO contributes to the increase in convective activity that can enlarge the potential for heavy rain in several areas.
Meanwhile, local stability analysis indicates significant potential for the development of convective clouds in various regions, including Aceh, North Sumatra, West Sumatra, Riau, Riau Islands, Jambi, South Sumatra, Bangka Belitung, Bengkulu, Lampung, Banten, Central Java, Yogyakarta Special Region, East Java, East Nusa Tenggara, and almost all regions of Kalimantan, Sulawesi, Maluku, and Papua. This atmospheric stability plays a role in supporting the process of cloud formation, especially during the day to afternoon or evening.
With the increase in atmospheric activity, BMKG urges communities in affected areas to remain vigilant against the potential for heavy rain accompanied by lightning, strong winds, and the possibility of flooding in vulnerable areas. Regular weather monitoring is very important to anticipate the impact of the continuously developing atmospheric dynamics.
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