The usage of MTVZA-GYa satellite microwave radiometer observations in the data assimilation system of the Hydrometcenter of Russia

A brief description of the MTVZA-GYa microwave radiometer installed on the Meteor-M No. 2 Russian polar orbiting meteorological satellite is presented. The procedures of bias correction and quality control indispensable in satellite data assimilation are considered. The operational system of global...

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Bibliographic Details
Published in:Russian meteorology and hydrology 2017-09, Vol.42 (9), p.564-573
Main Authors: Gayfulin, D. R., Tsyrulnikov, M. D., Uspensky, A. B., Kramchaninova, E. K., Uspensky, S. A., Svirenko, P. I., Gorbunov, M. E.
Format: Article
Language:English
Subjects:
Atmospheric Sciences
Data
Data assimilation
Data collection
Earth and Environmental Science
Earth Sciences
Meteorological satellites
Meteorology
Microwave radiometers
Northern Hemisphere
Numerical experiments
Procedures
Quality control
Radiometers
Satellite data
Satellite observation
Satellites
Southern Hemisphere
Weather forecasting
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Summary:A brief description of the MTVZA-GYa microwave radiometer installed on the Meteor-M No. 2 Russian polar orbiting meteorological satellite is presented. The procedures of bias correction and quality control indispensable in satellite data assimilation are considered. The operational system of global data assimilation by the Hydrometcenter of Russia is briefly described. Results of numerical experiments on the assimilation of MTVZA-GYa observations in six temperature-sensitive channels are given. It is demonstrated that the assimilation of these data significantly improves the accuracy of short-range weather forecasts in the Southern Hemisphere. The effect of the use of MTVZA-GY data in the Northern Hemisphere is neutral.
ISSN:1068-3739
1934-8096
DOI:10.3103/S1068373917090035