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Jakarta braces for floods as La Niña looms
Jakarta Governor Anies Baswedan has urged stakeholders to prepare for potentially hazardous flooding in the capital as the rainy season approaches.
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akarta Governor Anies Baswedan has urged stakeholders to prepare for potentially hazardous flooding in the capital as the rainy season approaches. The season’s dangers are compounded this year by La Niña, a periodic weather phenomenon that tends to cause extreme weather in the Indonesian archipelago.
“We need to be ready because we’re facing not just the flooding but also the COVID-19 outbreak. This condition requires special care,” the governor said during a ceremony to prepare for the rainy season in Jakarta on Wednesday morning.
He said disaster mitigation efforts should adhere to strict health protocols to prevent the spread of COVID-19 during evacuations.
“We need to set up more [flood shelter] tents to allow citizens to practice health protocols and physical distancing,” Anies added.
Separately, the Meteorology, Climatology and Geophysics Agency (BMKG) said on Wednesday that most of the archipelago would enter the rainy season in October. Several regions, including the capital and the western part of Java, are expected to experience extreme weather and heavy rainfall.
The agency predicted that the country would experience the impact of La Niña until at least February 2021.
La Niña is a meteorological phenomenon where surface water temperatures in the equatorial band of the Pacific Ocean become abnormally low. It is believed to occur every two to seven years and brings heavy rainfall to the Indonesian archipelago, which tends to trigger natural disasters such as floods and landslides.
However, the BMKG said it was too early to conclude that all of this year’s extreme weather would be caused by La Niña. The agency said the impact of the phenomenon would differ in each region.
Extreme rainfall triggered a flash flood in Sukabumi, West Java, on Sept. 21, killing three people. The villages of Cisaat, Pasawahan, Mekarsari and Bangbayang in the regency were heavily affected by the flooding. Nearly 1,000 people were forced to flee their homes.
The three victims were identified as 25-year-old Jajo, who was found within a 15-kilometer radius from the scene on Sept. 24, and 58-year-old Jeje and 70-year-old Hasyim, who were found the day after the disaster.
According to the National Disaster Mitigation Agency (BNPB), the flooding affected 11 villages, injured at least 10 people, displaced 78 others and damaged 127 houses.
BNPB spokesman Raditya Jati said the flooding was caused by a high volume of rain in Sukabumi, causing erosion and sedimentation in the river area and forming a natural weir in the upper reaches of the river.
When the ecosystem was disrupted due to the high pressure of the rainwater, the natural weir produced a large and rapid runoff of water with mud, he added.
Raditya said that based on monitoring and evaluation, the flash flood occurred after the Citarik, Cipeucit and Cibojong rivers overflowed.
West Java Disaster Mitigation Agency emergency head Budi Budiman Wahyu said the flash flood had damaged six bridges and a public prayer room. (syk)
