Monday, 11 January 2016
Hall D/E ( New Orleans Ernest N. Morial Convention Center)
This work focuses on the step towards the assimilation of all-sky infrared radiances of selected humidity sensitive Infrared Atmospheric Sounding Interferometer (IASI) channels using NCEP GFS model. Radiances simulation are implemented with Community Radiative Transfer Model (CRTM) that includes profiles for liquid-water content and ice-water content. Statistical analysis that over the ocean of observation minus background departure (O-F) are evaluated for selected water vapor channels. The observation screening procedure was developed to improve the cloudy scenes selection. Cloud-dependent quality controls and observation error are evaluated in this study. The goal for this preliminary work is to extend the microwave (MW) all sky radiances assimilation at NCEP/EMC to infrared (IR) all sky assimilation for the channel that are suited in all sky conditions.
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