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- Standard verification procedures:
- Manual on the Global Data-processing and Forecasting System: Annex IV to the WMO Technical Regulations (available from WMO library, currently at https://library.wmo.int/opac/index.php?lvl=notice_display&id=12793#.Wo8mHa0pFrk12793 or please use the Search on that WMO page), appendix 2.2.34.
- Implementation guidelines (the document in preparation).
- Lead Centre guidelines for data exchange:
- Auxiliary data: climatology fields and station lists
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The status of implementation of standard procedures in participating centres is available in a table maintained by the LC-DNV.