On the Assimilation of Satellite Sounder Data in Cloudy Skies in Numerical Weather Prediction Models

Satellite measurements are an important source of global observations in support of numerical weather prediction（NWP）.The assimilation of satellite radiances under clear skies has greatly improved NWP forecast scores.However,the application of radiances in cloudy skies remains a significant challeng...

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Bibliographic Details
Published in:Journal of Meteorological Research 2016-04, Vol.30 (2), p.169-182
Main Author: 李俊 王培 HAN Hyojin 李金龙 郑婧
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Atmospheric Sciences
Earth and Environmental Science
Earth Sciences
Geophysics and Environmental Physics
Meteorology
全球观测
卫星探测器
卫星测量
卫星资料
同化
天气预报模式
数值天气预报
数值预报模式
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Summary:Satellite measurements are an important source of global observations in support of numerical weather prediction（NWP）.The assimilation of satellite radiances under clear skies has greatly improved NWP forecast scores.However,the application of radiances in cloudy skies remains a significant challenge.In order to better assimilate radiances in cloudy skies,it is very important to detect any clear field-of-view（FOV） accurately and assimilate cloudy radiances appropriately.Research progress on both clear FOV detection methodologies and cloudy radiance assimilation techniques are reviewed in this paper.Overview on approaches being implemented in the operational centers and studied by the satellite data assimilation research community is presented.Challenges and future directions for satellite sounder radiance assimilation in cloudy skies in NWP models are also discussed.
ISSN:2095-6037
2198-0934
DOI:10.1007/s13351-016-5114-2