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Impact of gridpoint statistical interpolation scheme over Indian region
Authors:SURYA K DUTTA  V S PRASAD
Institution:1.National Centre for Medium Range Weather Forecasting, Ministry of Earth Sciences,Noida,India
Abstract:An analysis system experiment was conducted for the month of June 2008 with Gridpoint Statistical Interpolation (GSI) analysis scheme using NCMRWF’s (National Centre for Medium Range Weather Forecasting) T254L64 model. Global analyses were carried out for all days of the month and respective forecast runs are made up to 120-hr. These analyses and forecasts are inter-compared with the operational T254L64 model outputs which uses Spectral Statistical Interpolation (SSI) analysis scheme. The prime objective of this study is to assess the impact of GSI analysis scheme with special emphasis on Indian summer monsoon as compared to SSI.
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