This bulletin was written by Anthony P. McNally (visiting scientist at NCEP, from the European Centre for Medium Range Weather Forecasts, Shinfield Park, Reading, RG2-9AX, UK.), John C. Derber, Naional Centers for Environmental Prediction, W/NP23, World Weather Building, Washington DC 20233, USA, and Wan-shu Wu and Bert B. Katz, General Sciences Corporation, Laurel, Maryland, USA .
The TPB describes changes to the NCEP global analysis and forecast system which
The TOVS 1-b radiance data have not undergone the pre-processing that is usually applied to make the radiances suitable for use in linear retrieval algorithms and direct assimilation schemes. The increase in vertical diffusion was applied to help prevent the generation of spurious tropical lows.
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