Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia

The study investigated the influence of the early phases of Madden-Julian Oscillation (MJO) on the diurnal rainfall cycle in Peninsular Malaysia (PM). The most significant variations in precipitation occurred late evening Malaysia Standard Time. The remote impacts of MJO on PM resulted in changes to...

Full description

Saved in:
Bibliographic Details
Main Authors: Ayoub Afiqah Bahirah, Liew Juneng, Tangang Fredolin, Jamaluddin Ahmad Fairudz
Format: Article
Language:English
Published: EDP Sciences 2024-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2024/129/e3sconf_staclim2024_01001.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1841526759463321600
author Ayoub Afiqah Bahirah
Liew Juneng
Tangang Fredolin
Jamaluddin Ahmad Fairudz
author_facet Ayoub Afiqah Bahirah
Liew Juneng
Tangang Fredolin
Jamaluddin Ahmad Fairudz
author_sort Ayoub Afiqah Bahirah
collection DOAJ
description The study investigated the influence of the early phases of Madden-Julian Oscillation (MJO) on the diurnal rainfall cycle in Peninsular Malaysia (PM). The most significant variations in precipitation occurred late evening Malaysia Standard Time. The remote impacts of MJO on PM resulted in changes to the diurnal rainfall patterns during the early MJO phases when the primary MJO convection centre remains over the Indian Ocean. These conditions created a conducive environment for local convection over PM due to the weakening of the southwest monsoon winds. Along the west coast of PM, intensified sea breeze led to anomalous moisture transport fuelling the local convection. In contrast, the eastern coast experienced drier weather due to opposing sea breeze and monsoonal wind patterns, diminishing moisture transport towards the northeastern coastal region.
format Article
id doaj-art-bed79c84f7384198bab2952003ce7450
institution Kabale University
issn 2267-1242
language English
publishDate 2024-01-01
publisher EDP Sciences
record_format Article
series E3S Web of Conferences
spelling doaj-art-bed79c84f7384198bab2952003ce74502025-01-16T11:22:27ZengEDP SciencesE3S Web of Conferences2267-12422024-01-015990100110.1051/e3sconf/202459901001e3sconf_staclim2024_01001Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular MalaysiaAyoub Afiqah Bahirah0Liew Juneng1Tangang Fredolin2Jamaluddin Ahmad Fairudz3Center for Earth Sciences and Environment, Faculty of Science and Technology, National University of MalaysiaCenter for Earth Sciences and Environment, Faculty of Science and Technology, National University of MalaysiaCenter for Earth Sciences and Environment, Faculty of Science and Technology, National University of MalaysiaAtmospheric Science & Cloud Seeding Vision, Malaysian Meteorological DepartmentThe study investigated the influence of the early phases of Madden-Julian Oscillation (MJO) on the diurnal rainfall cycle in Peninsular Malaysia (PM). The most significant variations in precipitation occurred late evening Malaysia Standard Time. The remote impacts of MJO on PM resulted in changes to the diurnal rainfall patterns during the early MJO phases when the primary MJO convection centre remains over the Indian Ocean. These conditions created a conducive environment for local convection over PM due to the weakening of the southwest monsoon winds. Along the west coast of PM, intensified sea breeze led to anomalous moisture transport fuelling the local convection. In contrast, the eastern coast experienced drier weather due to opposing sea breeze and monsoonal wind patterns, diminishing moisture transport towards the northeastern coastal region.https://www.e3s-conferences.org/articles/e3sconf/pdf/2024/129/e3sconf_staclim2024_01001.pdf
spellingShingle Ayoub Afiqah Bahirah
Liew Juneng
Tangang Fredolin
Jamaluddin Ahmad Fairudz
Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia
E3S Web of Conferences
title Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia
title_full Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia
title_fullStr Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia
title_full_unstemmed Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia
title_short Impact of Madden-Julian Oscillation on the Diurnal Rainfall Cycle in Peninsular Malaysia
title_sort impact of madden julian oscillation on the diurnal rainfall cycle in peninsular malaysia
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2024/129/e3sconf_staclim2024_01001.pdf
work_keys_str_mv AT ayoubafiqahbahirah impactofmaddenjulianoscillationonthediurnalrainfallcycleinpeninsularmalaysia
AT liewjuneng impactofmaddenjulianoscillationonthediurnalrainfallcycleinpeninsularmalaysia
AT tangangfredolin impactofmaddenjulianoscillationonthediurnalrainfallcycleinpeninsularmalaysia
AT jamaluddinahmadfairudz impactofmaddenjulianoscillationonthediurnalrainfallcycleinpeninsularmalaysia