Guide on the Global Data-processing System [Discontinued]
Contains brief descriptions of many methods and techniques used in data processing for weather analysis and forecasting in both middle and tropical latitudes. Included are chapters on real-time and non-real-time functions, numerical methods, methods of analysis and forecasting in the tropics, and quality-control procedures.
Updated by supplements when necessary Latest supplement: No. 4, August 2001
Annex IV to the WMO Technical Regulations (2019)