According to BMKG, This is What Causes Jakarta Flooding
Date: 8 February 2020
JAKARTA, KOMPAS.com - Deputy of Meteorology, Meteorology, Climatology and Geophysics Agency (BMKG) Mulyono R Prabowo suspects that floods in several areas of Jakarta on Saturday (8/2/2020) due to two factors, the time of heavy rainfall in DKI Jakarta and in Bogor.BMKG noted that 15 areas in DKI Jakarta had rainfall above 100 mm on Friday (2/7/2020) night until Saturday morning.
BMKG Deputy Climatologist Herizal said, historically the peak of the rainy season in Indonesia fell in February. Rainfall peaks were also recorded in the months after February, but with a smaller percentage of 17% occurring in March and 12% occurring in April.
Herizal said, generally, in Indonesia, the dry season starts in April. In those months it is expected that there will be a lot of torrential rain, strong winds, and whirlwinds that commonly appear during the transition period of the change of seasons.
However, in February, several regions have entered the dry season due to decreasing rainfall, namely eastern Aceh, eastern North Sumatra, and eastern Riau. In Jakarta, according to Prabowo, rainfall has begun. However, residents must remain vigilant about the possibility of flooding because rainfall in the upstream area is predicted to be quite high.
"Even though the rainfall in DKI Jakarta has started to decline, the upstream region in West Java is still quite high; therefore we must continue to increase the flood awareness," he said.
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