Abstract
Ground-based microwave radiometer could provide continuous thermodynamic profiles which are crucial to weather services. But further efforts should be made to improve the accuracy of measurements. In this study, quality control (QC) procedures have been applied to temperature and absolute humidity profiles obtained from a ground-based microwave radiometer (January 2012 to May 2014) at Shanghai Expo Station and thousands of doubtful profiles are flagged. Temporal distributions and possible causes of these doubtful profiles are further investigated. Results show that the doubtful profiles are closely related to specific weather conditions. The doubtful temperature profiles might be caused by various weather conditions, such as precipitation, frost, extreme high temperature, etc. The majority of doubtful humidity profiles are results of precipitation impacts.
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