The purposes of monitoring the data assimilation system are to ensure the proper performance of the assimilation system and to diagnose problems with the system for future improvements.
The surface plots has 8 vertical levels, except for surface conventional data. These are mandtory levels and the data displayed on the plots are within 10mb or level+/- 10mb except rawinsode data which are exact that level. There is only for the surface data. Each plot consists of four figures, the figures at upper panel display the differences between observation and 6 hour forecast, between observation and analysis with analysis increment backgound , respectively.
The figures at lower panel are analysis increment and analysis field. The red numbersshow the data are used in the data assimilation, and the blue one is not. The follow imagers are the horizontal plot region distribution.
 PS120
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PS187
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T120
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T135
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W220 |
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