According to BMKG's website, Bali, West Nusa Tenggara, East Nusa Tenggara, Aceh, West Sumatra, Riau, Bengkulu, Jambi, South Sumatra, Bangka Belitung Islands, and Lampung also have the potential to experience rainstorms.
Residents in West Kalimantan, Central Kalimantan, North Kalimantan, East Kalimantan, South Kalimantan, North Sulawesi, Gorontalo, Central Sulawesi, South Sulawesi, North Maluku, Maluku, and West Papua, also need to check for rainstorms.
Rainstorms are expected as several regions in Indonesia have experienced extreme weather since January 3, 2024, and will last until January 10, 2024.
The Asian winter monsoon, which is associated with the westerlies, is one of the factors that trigger extreme weather in some regions in Indonesia.
The Asian winter monsoon has increased wet air masses around the territory of Indonesia which intensely triggers the growth of rain clouds in January.
In addition, the Madden Jullian Oscillation (MJO) phenomenon has begun in the Indonesian territory, indirectly triggering an increase in the potential for moderate to heavy rain in several regions.
"This condition is strengthened by the Rossby wave activity in western Indonesia and will last for the next five days," BMKG Deputy for Meteorology Guswanto said.
Another dynamic factor that strengthens the heavy rain potential is the wind meeting patterns and the wind turns around the regions of Sumatra, Java, and Kalimantan.
In the past week, extreme weather in the form of heavy rain has triggered hydrometeorological disasters such as floods and landslides in several regions, BMKG noted.
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Translator: Astrid H, Kenzu
Editor: Rahmad Nasution
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