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Namiko Sakurai

Kobe University

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Featured researches published by Namiko Sakurai.

Monthly Weather Review | 2004

Diurnal Land-Sea Rainfall Peak Migration over Sumatera Island, Indonesian Maritime Continent, Observed by TRMM Satellite and Intensive Rawinsonde Soundings

Shuichi Mori; Hamada Jun-Ichi; Yudi Iman Tauhid; Manabu D. Yamanaka; Noriko Okamoto; Fumie Murata; Namiko Sakurai; Hiroyuki Hashiguchi; Tien Sribimawati

Abstract The diurnal cycle of rainfall and its regional variation over Sumatera Island, Indonesian Maritime Continent, are examined using Tropical Rainfall Measuring Mission (TRMM) satellite precipitation radar (PR) and intensive rawinsonde sounding data. The TRMM PR sensor can detect raindrops directly, regardless of ground and cloud conditions, and can distinguish between convective and stratiform types of rainfall. Rainfall variation over this area was found to have the following characteristics: 1) convective rainfall with a broad peak between 1500 and 2000 LT predominates over the land region of Sumatera Island, whereas rainfall in the early morning, composed almost equally of stratiform and convective types, is predominant over the surrounding sea region. 2) A rainfall peak in the daytime and one in the nighttime migrate with time starting from the southwestern coastline of the island into the inland and offshore regions, respectively. The distance of each rainfall peak migration from the coastline ...

Journal of The Meteorological Society of Japan | 2005

Diurnal cycle of cloud system migration over Sumatera Island

Namiko Sakurai; Fumie Murata; Manabu D. Yamanaka; Shuichi Mori; Jun-Ichi Hamada; Hiroyuki Hashiguchi; Yudi Iman Tauhid; Tien Sribimawati; Budi Suhardi

Journal of disaster research | 2008

HARIMAU Radar-Profiler Network over the Indonesian Maritime Continent: A GEOSS Early Achievement for Hydrological Cycle and Disaster Prevention

Manabu D. Yamanaka; Hiroyuki Hashiguchi; Shuichi Mori; Peiming Wu; Fadli Syamsudin; Timbul Manik; Hamada Jun-Ichi; Masayuki Yamamoto; Masayuki Kawashima; Yasushi Fujiyoshi; Namiko Sakurai; Masayuki Ohi; Ryuichi Shirooka; Masaki Katsumata; Yoshiaki Shibagaki; Toyoshi Shimomai; Erlansyah; Wawan Setiawan; Bambang Tejasukmana; Yusuf S. Djajadihardja; Jana T. Anggadiredja

Journal of The Meteorological Society of Japan | 2011

Effects of Large-scale Moisture Transport and Mesoscale Processes on Precipitation Isotope Ratios Observed at Sumatera, Indonesia

Hironori Fudeyasu; Kimpei Ichiyanagi; Kei Yoshimura; Shuichi Mori; Jun-Ichi Hamada; Namiko Sakurai; Manabu D. Yamanaka; Jun Matsumoto; Fadli Syamsudin

Journal of The Meteorological Society of Japan | 2011

Convective Systems Developed along the Coastline of Sumatera Island, Indonesia, Observed with an X-band Doppler Radar during the HARIMAU2006 Campaign

Shuichi Mori; Jun-Ichi Hamada; Namiko Sakurai; Hironori Fudeyasu; Masayuki Kawashima; Hiroyuki Hashiguchi; Fadli Syamsudin; Ardhi A. Arbain; Reni Sulistyowati; Jun Matsumoto; Manabu D. Yamanaka

Journal of The Meteorological Society of Japan | 2009

Internal Structures of Migratory Cloud Systems with Diurnal Cycle over Sumatera Island during CPEA-I Campaign

Namiko Sakurai; Masayuki Kawashima; Yasushi Fujiyoshi; Hiroyuki Hashiguchi; Toyoshi Shimomai; Shuichi Mori; Hamada Jun-Ichi; Fumie Murata; Manabu D. Yamanaka; Yudi Iman Tauhid; Tien Sribimawati; Budi Suhardi

Sola | 2012

Case Study of Misoscale Convective Echo Behavior Associated with Cumulonimbus Development Observed by Ka-band Doppler Radar in the Kanto Region, Japan

Namiko Sakurai; Koyuru Iwanami; Takeshi Maesaka; Shin-ichi Suzuki; Shingo Shimizu; Ryohei Misumi; Dong-Soon Kim; Masayuki Maki

Journal of The Meteorological Society of Japan | 2011

Migration Process and 3D Wind Field of Precipitation Systems Associated with a Diurnal Cycle in West Sumatera: Dual Doppler Radar Analysis during the HARIMAU2006 Campaign

Namiko Sakurai; Shuichi Mori; Masayuki Kawashima; Yasushi Fujiyoshi; Jun-Ichi Hamada; Shingo Shimizu; Hironori Fudeyasu; Yoshikazu Tabata; Wendi Harjupa; Hiroyuki Hashiguchi; Manabu D. Yamanaka; Jun Matsumoto; Emrizal; Fadli Syamsudin

Journal of The Meteorological Society of Japan | 2011

Case Study of an Intense Wind Event Associated with a Mesoscale Convective System in West Sumatera during the HARIMAU2006 Campaign

Masayuki Kawashima; Yasushi Fujiyoshi; Masayuki Ohi; Shuichi Mori; Namiko Sakurai; Yoshiko Abe; Wendi Harjupa; Fadli Syamsudin; Manabu D. Yamanaka

Sola | 2015

Relationships between Updraft Characteristics and Cloud-to-Ground Lightning Activity in Warm-Season Convective Storms in the Kanto Region, Japan

Namiko Sakurai; Shingo Shimizu; Yukari Shusse; Shin-ichi Suzuki; Takeshi Maesaka; Kaori Kieda; Koyuru Iwanami

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Manabu D. Yamanaka

Japan Agency for Marine-Earth Science and Technology

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Shuichi Mori

Japan Agency for Marine-Earth Science and Technology

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Fadli Syamsudin

Hiroshima University

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Hiroyuki Hashiguchi

Kyoto University

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Masayuki Kawashima

Hokkaido University

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Hamada Jun-Ichi

Japan Agency for Marine-Earth Science and Technology

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Jun Matsumoto

Tokyo Metropolitan University

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Takeshi Maesaka

Nagoya University

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Yasushi Fujiyoshi

Hokkaido University

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Hironori Fudeyasu

Yokohama National University

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