JAKARTA - BMKG warned people in the northern part of West Java and northern Central Java to be aware of the potential for extreme rain that may occur on Friday, December 30 tomorrow.
"This needs to be watched out for, but it's raining, yes, it's not a storm. The intensity can be extreme," said BMKG Head Dwikorita Karnawati at a press conference, Thursday, December 29.
Based on the modeling map, BMKG divides the potential for rainfall which is likely to occur on Friday, namely the potential for extreme rain intensity, very heavy rain, and heavy rain.
For extreme rain, it has the potential to occur in the northern part of West Java and northern Central Java, with a rainfall intensity of more than 150 mm in one day.
The potential for very heavy rain can occur in northern and southern Banten, then northern DKI Jakarta, as well as parts of northern East Java, with a rainfall intensity of 100-150 mm/day.
Meanwhile, heavy rains with a rainfall intensity of 50-100 mm / day have the potential to occur in the western part of Banten, southern DKI Jakarta, southern West Java, southern Yogyakarta, southern Central Java, and southern East Java.
Especially for the Jabodetabek area, Dwikorita said the potential intensity of extreme rain is likely to occur in the northern part of Bekasi Regency. This condition can occur until the turn of the year or on December 31, 2022.
"If it rains with very heavy intensity, it occurs in northern West Jakarta, East Jakarta, South Jakarta, North Jakarta, and Bekasi City. Once again this seems evenly distributed," he said.
According to him, the increase in rainfall intensity was triggered by a number of atmospheric dynamics, such as the significant start of Asian Monsoon activity, an increase in Madden Julian Oscillation (MJO) accompanied by the Kelvin and Rossby wave phenomena, to indications of low pressure center formation around Australia.
"This means that you plan your activities by adapting to these conditions," he said.
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