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2011•土木学会論文集B2(海岸工学)Open access

Study of some characteristics of WRF calculation

Katsuyuki SUZUYAMA, Hidenori Shibaki, Takehiko Ogata

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Abstract

One of the important procedures for Disaster Prevention Plan is to determine accurately the window condition of an approaching typhoon. By using the Meteorological Model, it enables the aforementioned situation to be specified. The purpose of this study is for the method application to the Disaster Prevention Plan. The effect examined is due to the difference of several computational condition by Typhoon 0416 and 0418. This reveals the property model of WRF. In addition to that, we enumerated the problem issued from the model utilization in order to make the application easy. According to the study, it is proved that Four Dimensional Data Assimilation greatly influences reproducibility of typhoon path. The magnitudes of central pressure and wind velocity speed are susceptible to the parameters of microphysics scheme etc.

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What this paper is about

One of the important procedures for Disaster Prevention Plan is to determine accurately the window condition of an approaching typhoon. By using the Meteorological Model, it enables the aforementioned situation to be specified. The purpose of this study is for the method application to the Disaster Prevention Plan. The effect examined is due to the difference of several computational condition by Typhoon 0416 and 0418. This reveals the property model of WRF. In addition to that, we enumerated the problem issued from the model utilization in order to make the application easy. According to the study, it is proved that Four Dimensional Data Assimilation greatly influences reproducibility of typhoon path. The magnitudes of central pressure and wind velocity speed are susceptible to the parameters of microphysics scheme etc.

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Available abstract

One of the important procedures for Disaster Prevention Plan is to determine accurately the window condition of an approaching typhoon. By using the Meteorological Model, it enables the aforementioned situation to be specified. The purpose of this study is for the method application to the Disaster Prevention Plan. The effect examined is due to the difference of several computational condition by Typhoon 0416 and 0418. This reveals the property model of WRF. In addition to that, we enumerated the problem issued from the model utilization in order to make the application easy. According to the study, it is proved that Four Dimensional Data Assimilation greatly influences reproducibility of typhoon path. The magnitudes of central pressure and wind velocity speed are susceptible to the parameters of microphysics scheme etc.

Key concepts: Typhoon, Weather Research and Forecasting Model, Wind speed, Data assimilation, Meteorology, Computer science, Property (philosophy), Environmental science

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