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IJRSP Vol.35(6) [December 2006] >


Title: Verification of NCMRWF temperature output with observed data over West Bengal region during 2000-2002 monsoon period
Authors: Mandal, V
De, U K
Basu, B K
Keywords: Objective analysis
Weighing function
Cressman function
Grid-point output
Mean correction
Issue Date: Dec-2006
Publisher: CSIR
Abstract: The temperature forecasts of the National Centre for Medium Range Weather Forecasting (NCMRWF) global model are validated over West Bengal (WB) region against the observations from 39 or more agricultural field stations of the Government of West Bengal and 11 observatories of India Meteorological Department (IMD), Government of India. The validation was done at 0700 hrs IST and 1400 hrs IST for 2000-2002 and at 0830 hrs IST in addition for 2000 only. The agreement between forecast and observed surface temperatures is within the reasonable limit for forecast up to 5 days, though it deteriorates gradually with the length of forecast time. Weekly performance of the model for the whole region is remarkably good throughout the season in each of the years under study. It is noted that from the north to south, both root mean square error and correlation coefficient decrease.
Page(s): 407-417
ISSN: 0367-8393
Source:IJRSP Vol.35(6) [December 2006]

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