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Imma Redha Nugraheni
Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika, Jalan Meteorologi No. 5 Tanah Tinggi, Tangerang, Tangerang Kota, Banten, Indonesia 15119
Astronomy Energy Materials Science & Nanotechnology Medicine & Pharmacology Physics

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Mesoscale Convective Complex Verification on Heavy Rain in Semarang (Case Study: 13 March 2024) Didik Kurniawan; Binsar Hakim Aritonang; Helena Yaku; Imma Redha Nugraheni
BULETIN FISIKA Vol. 26 No. 1 (2025): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2025.v26.i01.p17

Abstract

This study aims to identify the Mesoscale Convective Complex (MCC) pattern during a heavy rain event in Semarang City on March 13, 2024, using Himawari-9 satellite imagery. The analysis was based on Maddox's (1980) criteria, including cloud coverage, duration, and convective system eccentricity. The results show that MCC met the requirements with a 7-hour duration, a maximum eccentricity of 0.9498, and shield and core areas of 108,228 km² and 89,128 km², respectively. MCC produced moderate to extreme rainfall intensities, peaking at 60–70 mm/h. MCC activity began in Semarang and moved southwestward, posing hydro-meteorological disaster risks such as flash floods. This study emphasizes the importance of MCC monitoring for hydro-meteorological disaster mitigation in Indonesia.
Co-Authors Binsar Hakim Aritonang Didik Kurniawan Helena Yaku