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Period | Variable | Monitoring Centre | Map | Time Series (30 days) Individual station |
6 hourly (00, 06, 12,18 UTC) | surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | ECMWF NCEP JMA DWD | Absolute value of O-B 6-hourly mean♣ |
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surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | All | Absolute value of best O-B 6-hourly mean | ♣O-B 6-hourly mean (line), Status Flag and Observation Type from all Centres | |
Daily | surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | ECMWF NCEP JMA DWD | Absolute value of O-B daily mean♣ |
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surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | All | Best absolute value of O-B daily mean |
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Monthly | surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | ECMWF NCEP JMA DWD | Monthly root mean square error of O-B |
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surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | All | Best (minimum) monthly rmse of O-B daily means |
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Alert | surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | ECMWF NCEP JMA DWD | 5-day moving average of absolute value of daily O-B means | ♣O-B daily mean (dot) from selected Centre ♣O-B 5-day moving mean (line) and number of daily values used from selected Centre |
surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind | All | Best 5-day moving average of absolute value of daily O-B means. | ♣O-B 5-day moving mean (line) and number of daily values used from all Centres |
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