Over my forty years or so in and around dealing rooms and financial markets, I have heard many theories as to how to approach that problem and have settled on a process that has worked for me ...

The graphs show long-range forecast scenarios for sea surface temperatures (SSTs), or SAM atmospheric indices. The SST indices are averaged over particular regions of the Pacific and Indian oceans.

Australia's weather is influenced by many climate drivers. El Niño and La Niña have the strongest influence on year-to-year climate variability for most of the country. They are part of a natural ...