Extreme Weather Predicted to Occur Until 12 March, Jakarta Enters Alert Zone

Jakarta, Indonesia — The Indonesian Agency for Meteorology, Climatology, and Geophysics (BMKG) has warned of the potential for extreme weather across various Indonesian regions through 12 March 2026, with Jakarta classified as being in a heavy rainfall alert zone.

According to the BMKG’s official website on Monday, 9 March 2026, numerous areas are expected to continue experiencing moderate to heavy rainfall with the potential for lightning and strong winds.

Previously, BMKG recorded heavy rainfall across several regions during the 2–4 March 2026 period.

Additionally, light to moderate rainfall has occurred across most of Indonesia’s regions, with varying precipitation rates.

BMKG explained that the high rainfall is influenced by various atmospheric dynamics occurring simultaneously. These factors include the presence of three tropical cyclone formations south of Indonesia, designated 90S, 93S, and 92P.

Furthermore, the convergence of monsoon winds from the north with westerly flows from the Indian Ocean in southern Indonesia is also intensifying the potential for cloud and rainfall formation.

The Madden-Julian Oscillation (MJO) phenomenon, currently in phase 5 or Maritime Continent phase, is reinforcing cloud and rainfall development, particularly across eastern Indonesian regions.

BMKG forecasts weather across Indonesia for the 9–12 March 2026 period to remain dominated by light to moderate rainfall. However, an increase in moderate to heavy rainfall intensity is expected across numerous areas, including Aceh, North Sumatra, West Sumatra, Riau Islands, Jambi, and South Sumatra.

Additionally, Bangka Belitung Islands, Bengkulu, Lampung, Banten, DKI Jakarta, West Java, Central Java, Special Region of Yogyakarta, Bali, West Nusa Tenggara, and various regions in Kalimantan, Sulawesi, Maluku, and Papua.

BMKG has also issued early warning alerts for heavy to very heavy rainfall in several districts.