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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management TEKNIK Journal of Tropical Soils Indonesian Journal of Agricultural Science Jurnal Matematika Sains dan Teknologi JTERA (Jurnal Teknologi Rekayasa) LIMNOTEK - Perairan Darat Tropis di Indonesia Teknologi Indonesia Makara Journal of Science
Hidayat Pawitan
Laboratorium Hidrometeorologi, Fakultas MIPA, Institut Pertanian Bogor, Bogor 16680
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Other

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Journal : Makara Journal of Science

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Kinematic and Thermodynamic Structures of Mesoscale Convective Systems During Heavy Rainfall in Greater Jakarta Nuryanto, Danang Eko; Pawitan, Hidayat; Hidayat, Rahmat; Aldrian, Edvin
Makara Journal of Science Vol. 22, No. 3
Publisher : UI Scholars Hub

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Abstract

A mesoscale convective system (MCS) is a large complex convective cloud system associated with a contiguous rainfall area that contributes significantly to heavy rainfall. This study analyzed the kinematic and thermodynamic structures of MCS during a heavy rainfall event. The MCSs that coincided with the heavy rainfall event and covered GJ occurred on January 17, 2013, 2014, and February 9, 2015. The three MCS cases were described from satellite observations over GJ during heavy rainfall. The main data consisted of satellite cloud top temperatures and national weather service soundings. We found a cloud shield with a temperature ≤ 221 K size and size less than 30,000 km2 at the mature stage of the MCS. Low moisture convection was unstable prior to MCS development. The warm moist air at 500–400 hPa could contribute to heavy rainfall above GJ. We suspect that the strong low-level convergence winds pro-duced an updraft, and high moist air led to a developing convective cloud. Themoist atmosphere on the third MCS was not always higher than others, but wind was low. These conditions caused the high intensity of heavy rainfall that oc-curred in GJ on the third MCS.
Co-Authors Astried Sunaryani, Astried Bambang Dwi Dasanto Edvin Aldrian Eka Intan Kumala Putri Eni Maftuah I Made Parsa Joko Windarto Kasdi Subagyono Kiyoshi Honda Kukuh Murtilaksono Laksono Trisnantoro M. Januar J.P. M. Yanuar J. Purwanto Muhammad Ardiansyah Muhammad Arsyad Naik Sinukaban Nani Heryani Ngudiantoro . Nuryanto, Danang Eko Paston Sidauruk Rahmat Hidayat Ridwansyah, Iwan Rizatus Shofiyati Robiyanto H. Susanto S. Suripin Saiful Akhyar Lubis Suria Darma Tarigan Sutapa, Ignasius Dwi Atmana Uup S. Wiradisastra Yayat Hidayat