Page 7 - EDITION 1 APRIL 2020

MEDIA JAYA EDITION | 01 2020

climatology research professor at the
Agency for the Assesment and Appli-
TOP REPORT Weather Anomaly cation of Technology (BPPT) said that
the flooding on January 1st was be-
cause of the heavy local rain. It shows
another proof of climate change.
“The 377 mm/day rainfall is twice
Resulted in Flood the usual intensity of rainfall in Java
island for a month. It is able to water
2.8 million times the area of a soccer
field.” He further explained that the
extreme rain on that new year’s eve
A new record of the heaviest rainfall in was also triggered by the combined
Jakarta indicates the impact of climate meteorological phenomenons: the
change. cold surge from the northern hemi-
sphere and the high water vapor on
the north side of West Java.
The cold surge came from East
Asia mainland and moved to the
southeast to reach South China Sea.
It is shown by the lack of rain in the
coast of Riau, Jambi and West Kali-
dhan Subuh has just begun when Moham- mantan. The overall impact, he said,
mad Insaf’s phone rang. That was the first caused the potential comulonimbus
Aday in 2020. Stuttering, the man on the oth- clouds to produce more of heavy rains.
6 er end of the telephone informed him that water On another note, the west monsoon 7
of Kali Baru was overflowing and indundating the wind also occured late.
area of UPAS (School Transportation Management Monsoon wind occurs periodical-
Unit), which located at Kramat Jati, East Jakarta. ly (at least 3 months), with reversing
“I was just leaving the office around 3 in the pattern on each period. This monsoon
morning; it was safe, no sign of flooding,” he re- can be a sign for rainy season in Indo-
membered. He is currently serving as the Head of nesia, and should have been occured
Data and Information Center (Pusdatin) at Jakar- in October instead of December. It got
ta Disaster Management Agency (BPBD). When stronger on January.
the flooding happened on January 1st, he was the According to BMKG’s atmosphere
head of UPAS. circulation data on January 1st, 2020,
According to him, the security guard who was in the morning there were actually a
in charged that night informed him that the water strengthening wave of monsoon and
rushed in unavoidably as the rain poured around According to the Meteorology, Cli- “The intensity of 377 mm/day indeed highest rainfall reached 367 mm/day an indication of Inter Tropical Conver-
Subuh time. The water started to drown the of- matology and Geophysics Agency showed an anomaly and that set a new on Kodamar area, Sunter, North Ja- gence Zone (ITCZ) which happened on
fices, drivers dormitory and school buses that (BMKG), the heaviest rainfall record- record for now,” he said. karta. The rain which occured on Feb- Java island. This ITCZ also caused to a
parked there. ed was on Halim and Taman Mini, East Endarwin refers to several cases ruary 11th, 2015 has inundated 702 buildup, thick and massive clouds.
The flood not only submerged the UPAS of- Jakarta. The rainfall on those two lo- of floodings that have occured in Ja- RWs and displaced 167,727 people. Edvin also explained that the ex-
fice. According to BPBD, about 14.3 percent or cations reached 377 and 335 mm/ karta for the past years. When flood- From the data, Endarwin ex- treme rain on Jakarta occured be-
around 390 community units (RW) has been inun- day. In fact, the intensity of rainfall ing occured on February 20, 1918, the plained, it is shown that there was a cause of the climate change. It is indi-
dated with 10 cm-1.5 meter-high floodwater. on Halim has set a new record for the rainfall was recorded at only 125,2 significant acceleration and trend of cated by the changing pattern of west
heaviest rainfall in Jakarta’s history, at mm/day, which classified a level un- the numbers of flood cases and the monsoon and the heigth of cloud tow-
New Record least in the last 100 years. der extreme. heavier rainfall. “Unlike any of the er that reached over 15 km when it’s
Head of BMKG’s Sensory Manage- Previous extreme rainfall that past years, heavy rains are more likely raining on the January 1st. “The cli-
The flood on this first day of new year as if re- ment Division, Endarwin, explained similar to the current one happened to be occured these days,” he added. mate change will add more energy in
peating the previous floods in the Capital city; the that eventhough Jakarta had entered in 2007 and 2015. In 2007, the high- the atmosphere, causing a more pow-
rain on the night before gets heavier on the next rainy season, the records of rainfall est rainfall reached 234,7 mm/day. At Climate Change erful cloud machine,” he explained.
day. The rain disributed equally with the intensity occured on New Year’s Eve showed in- that time, 60% of the capital area was Edvin also added that another fac-
of >150 mm/day, recorded as extreme rainfall. dication of rainfall anomaly in Jakarta. flooded for a week. While In 2015, the Edvin Aldrian, Meteorology and tor that caused climate change was