4-dimensional Variational Assimilation of Ground-based Microwave Observations during a Winter Fog Event


1. Introduction To measure the vertical profiles of temperature and water vapor that are essential for modeling atmospheric processes, radiosondes are traditionally the privileged way to obtain upper-air information. Radiosondes, however, present certain limitations. It typically takes 40 minutes for a radiosonde to ascend through the troposphere and about… (More)


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