Technical User Guide
Guidance on the use of our long-range forecasts
Seasonal forecasting methods and systems
Guide to forecast maps and diagrams
Guide to skill assessment
The verification procedures used to measure the performance of the seasonal forecasts are those recommended by the Standardised Verification System (SVS) for long-range forecasts (LRF) developed by the Commission for Basic Systems (CBS) of the World Meteorological Organization (WMO).