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	Table13
	Table13

Table 13 - This table summarises the content of WDQMS web tool views when the options to monitor the quality of surface-land observations are selected (i.e., near-real-time NWP monitoring module: surface; Monitoring category: quality).

Period	Variable	Monitoring Centre	Map	Time Series 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	O-B of individual observation (dot), Status Flag and Observation Type from selected Centre O-B 6-hourly mean (line) from selected Centre
6 hourly (00, 06, 12,18 UTC)	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	O-B daily mean (line) from selected Centre
Daily	surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind	All	Best absolute value of O-B daily mean	O-B daily mean (line) from all Centres
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	Monthly average of O-B daily mean (line) from selected Centre Monthly std of O-B daily mean (dash line) from selected Centre
Monthly	surface pressure geopotential 2m temperature 2m humidity 10m zonal wind 10m meridional wind	All	Best (minimum) monthly rmse of O-B daily means	Monthly rmse of O-B daily mean (line) from all Centres Percentage of Gross Error (based on O-B of single observations)
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
Alert	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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