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Advanced Rain/No-Rain Classification Methods for Microwave Radiometer Observations over Land

Source: Journal of Applied Meteorology and Climatology:;2008:;volume( 047 ):;issue: 011:;page 3016

Author(s): Seto, Shinta; Kubota, Takuji; Takahashi, Nobuhiro; Iguchi, Toshio; Oki, Taikan

Publisher: American Meteorological Society

Abstract: Seto et al. developed rain/no-rain classification (RNC) methods over land for the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI). In this study, the methods are modified for application to other microwave ...

Improvement of TMI Rain Retrievals in Mountainous Areas

Source: Journal of Applied Meteorology and Climatology:;2012:;volume( 052 ):;issue: 001:;page 242

Author(s): Shige, Shoichi; Kida, Satoshi; Ashiwake, Hiroki; Kubota, Takuji; Aonashi, Kazumasa

Publisher: American Meteorological Society

Abstract: eavy rainfall associated with shallow orographic rainfall systems has been underestimated by passive microwave radiometer algorithms owing to weak ice scattering signatures. The authors improve the performance of estimates ...

Experimental Assimilation of the GPM Core Observatory DPR Reflectivity Profiles for Typhoon Halong (2014)

Source: Monthly Weather Review:;2016:;volume( 144 ):;issue: 006:;page 2307

Author(s): Okamoto, Kozo; Aonashi, Kazumasa; Kubota, Takuji; Tashima, Tomoko

Publisher: American Meteorological Society

Abstract: pace-based precipitation radar data have been underused in data assimilation studies and operations despite their valuable information on vertically resolved hydrometeor profiles around the globe. The authors developed ...

Sampling Error Damping Method for a Cloud-Resolving Model Using a Dual-Scale Neighboring Ensemble Approach

Source: Monthly Weather Review:;2016:;volume( 144 ):;issue: 012:;page 4751

Author(s): Aonashi, Kazumasa; Okamoto, Kozo; Tashima, Tomoko; Kubota, Takuji; Ito, Kosuke

Publisher: American Meteorological Society

Abstract: n ensemble-based assimilation schemes for cloud-resolving models (CRMs), the precipitation-related variables have serious sampling errors. The purpose of the present study is to examine the sampling error properties and ...

Improvement of the Cloud Microphysics Scheme of the Mesoscale Model at the Japan Meteorological Agency Using Spaceborne Radar and Microwave Imager of the Global Precipitation Measurement as Reference

Source: Monthly Weather Review:;2021:;volume( 149 ):;issue: 011:;page 3803

Author(s): Ikuta, Yasutaka;Satoh, Masaki;Sawada, Masahiro;Kusabiraki, Hiroshi;Kubota, Takuji

Publisher: American Meteorological Society

Evaluation of GSMaP Precipitation Estimates over the Contiguous United States

Source: Journal of Hydrometeorology:;2009:;Volume( 011 ):;issue: 002:;page 566

Author(s): Tian, Yudong; Peters-Lidard, Christa D.; Adler, Robert F.; Kubota, Takuji; Ushio, Tomoo

Publisher: American Meteorological Society

Abstract: Precipitation estimates from the Global Satellite Mapping of Precipitation (GSMaP) project are evaluated over the contiguous United States (CONUS) for the period of 2005?06. GSMaP combines precipitation retrievals from the ...

On the Land–Ocean Contrast of Tropical Convection and Microphysics Statistics Derived from TRMM Satellite Signals and Global Storm-Resolving Models

Source: Journal of Hydrometeorology:;2016:;Volume( 017 ):;issue: 005:;page 1425

Author(s): Matsui, Toshi; Chern, Jiun-Dar; Tao, Wei-Kuo; Lang, Stephen; Satoh, Masaki; Hashino, Tempei; Kubota, Takuji

Publisher: American Meteorological Society

Abstract: 14-yr climatology of Tropical Rainfall Measuring Mission (TRMM) collocated multisensor signal statistics reveals a distinct land?ocean contrast as well as geographical variability of precipitation type, intensity, and ...

A Statistical Method for Reducing Sidelobe Clutter for the Ku-Band Precipitation Radar on board the GPM Core Observatory

Source: Journal of Atmospheric and Oceanic Technology:;2016:;volume( 033 ):;issue: 007:;page 1413

Author(s): Kubota, Takuji; Iguchi, Toshio; Kojima, Masahiro; Liao, Liang; Masaki, Takeshi; Hanado, Hiroshi; Meneghini, Robert; Oki, Riko

Publisher: American Meteorological Society

Abstract: statistical method to reduce the sidelobe clutter of the Ku-band precipitation radar (KuPR) of the Dual-Frequency Precipitation Radar (DPR) on board the Global Precipitation Measurement (GPM) Core Observatory is described ...

Cloud assumption of Precipitation Retrieval Algorithms for the Dual-frequency Precipitation Radar

Source: Journal of Atmospheric and Oceanic Technology:;2020:;volume( ):;issue: -:;page 1

Author(s): Kubota, Takuji;Seto, Shinta;Satoh, Masaki;Nasuno, Tomoe;Iguchi, Toshio;Masaki, Takeshi;Kwiatkowski, John M.;Oki, Riko

Publisher: American Meteorological Society

Abstract: An assumption related to clouds is one of uncertain factors in precipitation retrievals by the Dual-frequency Precipitation Radar (DPR) onboard the Global Precipitation Measurement (GPM) Core Observatory. While an attenuation ...

Improvement of High-Resolution Satellite Rainfall Product for Typhoon Morakot (2009) over Taiwan

Source: Journal of Hydrometeorology:;2013:;Volume( 014 ):;issue: 006:;page 1859

Author(s): Taniguchi, Aina; Shige, Shoichi; Yamamoto, Munehisa K.; Mega, Tomoaki; Kida, Satoshi; Kubota, Takuji; Kachi, Misako; Ushio, Tomoo; Aonashi, Kazumasa

Publisher: American Meteorological Society

Abstract: he authors improve the high-resolution Global Satellite Mapping of Precipitation (GSMaP) product for Typhoon Morakot (2009) over Taiwan by using an orographic/nonorographic rainfall classification scheme. For the estimation ...