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Accession number;07A0041968
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| Title;Analysis and Prediction of Anomalous Weather and Atmospheric Hazards |
| Author;
KAWAI HIROMASA
(Kyoto Univ.)
IWASHIMA TATSUYA
(Kyoto Univ.)
ISHIKAWA HIROHIKO
(Kyoto Univ.)
MARUYAMA TAKASHI
(Kyoto Univ.)
MUKOUGAWA HITOSHI
(Kyoto Univ.)
HORIGUCHI MITSUAKI
(Kyoto Univ.)
IGUCHI TAKAO
(Kyoto Univ.)
ARAKI TOKIHIKO
(Kyoto Univ.)
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Journal Title;Abstracts for Annuals. Disaster Prevention Research Institute, Kyoto University (CD-ROM)
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Journal Code:S0431B
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ISSN:
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VOL.;NO.49;PAGE.NO.49C,81-93(2006)
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| Figure&Table&Reference;FIG.22, REF.23 |
| Pub. Country;Japan |
| Language;English |
| Abstract;This paper describes the analysis of various phenomena related with anomalous weather and its hazards, which consists of three parts. The first part describes a new method for obtaining initial perturbations appropriate to the ensemble forecast of the intraseasonal variability in the tropics, which was developed using the operational numerical weather forecast system of the Japan Meteorological Agency. The obtained initial perturbations have spatial structure similar to eastward propagating dry Kelvin wave with phase speed of 30 m/s. The second part shows a numerical method to simulate strong wind fields over complex topography during typhoon. for investigating the strong wind characteristics and predicting wind hazards. The PSU/MM5 and LES were used for the calculation of meso and micro-scale unsteady wind fields. The last part describes the results of the analyses using FY"C data for the research and prediction of Japanese abnormal weather, especially in Baiu season, which came into official operation in May, 2005 and observes a wide area of Monsoon Asia extending from Saudi Arabia to Japan from 104E, just above Singapore. (author abst.) |
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