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Prediction of tropical systems over Indian region using mesoscale model

Vaidya, SS and Mukhopadhyay, P and Trivedi, DK and Sanjay, J and Singh, SS (2004) Prediction of tropical systems over Indian region using mesoscale model. Meteorology and Atmospheric Physics, 86 (1-2). pp. 63-72.

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The Advanced Regional Prediction System (ARPS) model developed at Center for Analysis and Prediction of Storms at Oklahoma State University, USA is used for simulation of monsoon depression and tropical cyclone over Indian region. The radiosonde data are included in the initial analyses and subsequently; the simulations are performed with 50 km and 25 km grid resolutions. Two sets of forecast experiments produced by two types of analyses (with radiosonde and without radiosonde data) are compared. It is found that predicted mean sea-level pressure of the depression becomes closer to mean sea level pressure reported in Indian Daily Weather Reports when initialized with analyses containing radiosonde data. The precipitation forecast also is improved when initialized with the analyses containing radiosonde data. The simulation of tropical cyclone with 25 km grid resolution is able to simulate some subsynoptic scale features of the system.

Item Type: Article
Additional Information: Copyright of this article belongs to Springer
Uncontrolled Keywords: forecasting method; mesoscale meteorology; monsoon; precipitation (climatology); prediction; radiosonde; tropical cyclone, Asia; Eurasia; India; South Asia
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 18 Apr 2015 16:20
Last Modified: 18 Apr 2015 16:20

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