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Model update handling

Follow instructions in Model update handling

Read in Recommended support checks about practises used at ECMWF. Some examples and source codes are also available there.

Organization	Data acquisition method	Data transfer check	Data delay check	Data completeness check	Data quality check	* Data packing	Data recovery option
Organization	Data acquisition method	Data transfer check	Data delay check	Data completeness check	Data quality check	* Data packing	Exists?	Time limit?
BoM (ammc)	ftp
CMA (babj)	ftp
CNR-ISAC (isac)	http
CNRM (lfpw)	ecpds (push)					JPEG2000
ECCC (cwao)	sftp
ECMWF (ecmf)	MARS retrieval	N/A	YES	YES	YES		YES	NO
HMCR (rums)	ftp	NO	YES	YES	NO
JMA (rjtd)	ftp
KMA (rksl)	ecpds (push, dedicated line)	YES	NO	YES	NO		YES	NO
NCEP (kwbc)	ftp	YES	YES	YES	NO
UKMO (egrr)	ecpds (push, dedicated line)	YES	YES	NO	NO

Data acquisition method: Acquisition method is pull from the provider's location to ECMWF's premises if not specified
Data transfer check: Is the data transfer checked to avoid any technical issues on the way from provider's location to ECMWF's premises? Was the data delivered bit identical?
Data delay check: Is the potential delay of data availability checked on the provider's side?
Data completeness check: Is the data content (number of expected fields; reference field list etc) checked on the provider's side?
Data quality check: Is there any data quality control to avoid e.g. unrealistic parameter values due to interpolation or any other kind of error either scientific or technical?
Data packing: only if differs from the required single packing
Data recovery option: Is it possible to recover any missing/corrupted data when needed?
- If yes, is there any time limit when the data can be rescued ? If yes, specify number of days within which the recovery action must happen.

Number of operational incidents since August 2018

Number of operational system updates since 2019

Year	2019	2020	2021
created/updated	4	11	6

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