BMKG’s Weather Forecast: Thunderstorms May Hit Yogyakarta, Surabaya

TEMPO.CO, jakartaThe Meteorology, Climatology, and Geophysics Agency (BMKG) issued a weather forecast for Monday, December 26, 2022, with parts of Indonesia being hit by rain, lightning, high waves, and coastal floods.

Rain accompanied by lightning or thunderstorm is expected to hit Yogyakarta and Surabaya. Heavy rain is likely to occur in Semarang.

The moderate-intensity rain may shower Serang, Central Jakarta, Bandung, and Kupang. Light-intensity rain will likely wet Denpasar, Bengkulu, Banjarmasin, Palangkaraya, Tarakan, Pangkal Pinang, Mataram, Jayapura, Manokwari, Mamuju, Makassar, and Medan.

The air temperature ranges from 19-33 degrees Celcius with the lowest temperature in Bandung and the highest temperature in Gorontalo, Surabaya, Pontianak, Banjarmasin, Palangkaraya, and Palembang.

Besides, several provinces under the alert for hydrometeorological disasters (floods, flash floods, and others) impacted by the potential for heavy rains are Jakarta, West Java, Central Java, East Java, Yogyakarta, Banten, Bali, West Nusa Tenggara (NTB) , East Nusa Tenggara (NTT), and South Sulawesi.

The country’s wind pattern in the northern part predominantly moves from west to north with wind speeds ranging from 8-25 knots. Meanwhile, in the southern part, the wind dominantly moves from southwest to northwest with speeds ranging between 5-25 knots.

The highest wind speeds were observed in the North Natura Sea, the central and eastern Java Sea, the southern Makassar Strait, and the Flores Sea.

Thus, BMKG forecasted that high waves of about 4-6 meters potentially occur in the North Natuna Sea. Coastal floods may also emerge on the West Java Coast.


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