In a warning issued by the BMKG in Makassar on Monday evening (2/1/2023), there will be extreme weather from Tuesday (3/1/2023) until next week. Some areas must be aware of this phenomenon.
RENY SRI AYU ARMAN, HARIS FIRDAUS, Ayu Nurfaizah
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MAKASSAR, KOMPAS — Rain is still coming down in many parts of Indonesia in the next few days. The Meteorological, Climatological and Geophysical Agency (BMKG) in Makassar has again issued a warning regarding extreme weather in South Sulawesi. Meanwhile, the BMKG predicts that the peak of the rainy season in Jakarta will occur in January 2023.
In a warning issued by the BMKG in Makassar on Monday evening (2/1/2023), there will be extreme weather from Tuesday (3/1/2023) until next week. Some areas that must be aware of this phenomenon are Parepare, Soppeng, Bone, Barru, Pangkep, Maros, Makassar, Gowa, Takalar, Jeneponto,and Bantaeng.
Head of the BMKG in Region IV Makassar, Irwan Slamet, said the latest atmospheric dynamics showed indications of an increase in the potential for rainfall in South Sulawesi. Tropical cyclone Ellie, which is now still in Western Australia, can increase the wind speed and height of sea waves along the area towards the center of pressure.
"There is a confluence of wind currents around South Sulawesi, which can cause a buildup of air masses that support the growth of rain clouds," said Irwan.
According to Irwan, heavy intensity rains are expected to occur in the morning. Heavy rains have the potential to occur in the western part of South Sulawesi, namely the Municipality of Parepare, Barru, Pangkep, Maros, Takalar and Makassar regencies.
With this phenomenon, Irwan said, waves as high as 2.5 to 4 meters have the potential to occur in the southern part of the Makassar Strait, the western and eastern waters of the Selayar Islands, Sabalan waters, north, west and east of the Flores Sea and northern and southern Bonerate-Kalaotoa Islands.
"Waves with a height of 1.25 to 2.5 meters will occur in the western part of Parepare Spermonde Pangkep waters, the western part of Spermonde Makassar waters and the northern and southern parts of Bone Bay," Irwan said.
Regarding this warning, Regional Head 4 of the state-owned port operator, PT Pelindo, Enriany Muis asked all ports under Regional 4 to be vigilant. Now, there are 22 ports under Regional 4 across Sulawesi, Maluku, Papua and Kalimantan.
Weather in Jakarta
For Jakarta and its surroundings, BMKG Deputy Guswanto said on Tuesday that weather conditions in the Jakarta area were predicted to be normal like the rainy season in general. Based on an analysis of the atmospheric dynamics, moderate to heavy rains are expected to occur in Jakarta in the next few weeks. However, Guswanto said this would cause extreme weather.
"The peak of the rainy season in Jakarta is predicted to occur in the January 2023 period. The potential for high-intensity rain needs to be prepared for in the January to February period, including the potential for rain accompanied by lightning and thunder with strong winds," he said.
The BMKG predicts that from Jan. 4-9, 2023 the Jakarta, Bogor, Depok and Bekasi (Jabodetabek) area will be cloudy with light rain. In Bogor, West Java, moderate rain is predicted to occur on Jan. 5-6, 2023.
The peak of the rainy season in Jakarta is predicted to occur in the January 2023 period.
Landslide in Maros
Bad weather in South Sulawesi triggered a landslide in Rompegading village, Cenrana district, Maros, on Wednesday (28/12/2022). A part of the cliff wall collapsed on four houses and three passing vehicles, which then plunged into a river.
During the initial evacuation, one person was found dead, namely Ilham (48), and 15 others were injured. When a search was carried out on Friday last week, a victim named Rimang (80) was found. The four people who have not been found are Dilla (14), Emi (47), Adel (12) and Cellung (2).
“Until a week of searching, the victims could not be found. Various attempts have been made, both using excavators and manually. The search was also carried out using rubber boats and on foot for tens of kilometers," said head of the South Sulawesi National Search and Rescue Agency (Basarnas) Djunaidi.
He added that in accordance with the mandate of the law, which limited the search to seven days, and based on the agreement between the victim's family members and the local government officials, the search was stopped and ended. The four victims were declared missing.
He said the condition of the area was very difficult for the team. During the search, the river current was very strong. The rocky river makes the search difficult. The search was also carried out amid heavy rains.
“The landslide that fell on four houses has been cleaned up. However, no other victims were found. It is strongly suspected that the victims were carried away by the river current behind the house, where the landslide occurred. We apologize for stopping the search due to time constraints," Djunaidi said.
Two people died in Sleman
A landslide also occurred in Wedomartani village, Ngemplak district, Sleman regency, Yogyakarta special Region, at around 3 p.m. on Monday (2/1). The disaster occurred at a construction site for the building of a separation wall of a housing complex. The victims were workers who were digging the ground.
The joint search and rescue SAR team found a victim at a housing project in Sleman regency on Tuesday. Two people were killed in the landslide, while two other victims were injured.
Pipit Eriyanto from the public relations office at the National Search and Rescue Agency (Basarnas) in Yogyakarta said the last body was found on Tuesday at 1.39 p.m.
First we reduced the volume of the soil, because one of the obstacles was the unstable condition of the slopes.
The depth of the excavation of the separation wall was 5 to 7 meters. It is estimated that the victims were buried 1 to 2 meters deep. Based on the SAR report, the soil condition at the site was unstable and contained sand, making it prone to landslides.
“First we reduced the volume of the soil, because one of the obstacles was the unstable condition of the slopes. Yesterday, we did a machineless search," said head of operations of the Yogyakarta Basarnas office, Asnawi Suroso.
This article was translated by Hendarsyah Tarmizi.