Jurnal Ilmu Fisika
Vol 13, No 1 (2021): Published in March 2021

Differences in Mechanisms of Orographic Rainfall over West Sumatra (Case Study: 10 April and 23 April 2004)

Harjupa, Wendi (Unknown)
Shimomai, Toyoshi (Unknown)
Hashiguchi, Hiroyuki (Unknown)
Fujiyoshi, Yasushi (Unknown)
Kawashima, Masayuki (Unknown)

Article Info

Publish Date
28 Feb 2021

Abstract

Two different mechanisms of orographic rainfall enhancement  in West Sumatra were investigated utilizing observed data during the Coupling Processes in the Equatorial Atmosphere (CPEA)-I campaign. The variation of the atmospheric conditions during the campaign was shown by rainfall, surface wind, humidity, and stability index. An X-band Doppler radar captured the atmospheric conditions related to the enhancement of orographic rainfall mechanisms. The dry and less stable atmospheric conditions resulted in the convective type of rainfall. In contrast, the humid and stable atmospheric conditions brought the large-scale rainfall in the mountainous region where the events took place coincided with the inactive and active MJO phases..

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Journal Info
Jurnal Ilmu Fisika
Website

Abbrev

jif

Publisher

Universitas Andalas

Subject

Astronomy Earth & Planetary Sciences Materials Science & Nanotechnology Physics

Description

Jurnal Ilmu Fisika (JIF) is a peer-reviewed open access journal on interdisciplinary studies of physics, and is published twice a year (March and September) by Department of Physics, Andalas University ...