Nina Wu is a staff reporter at the Honolulu Star-Advertiser, covering sustainability issues, alternative energy and weather. She was previously arts page editor, a features reporter and business ...

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An index is a measure (often a numerical value) that can be representative of a particular pattern or state of a system. Climatologists monitor several indices, some ocean-based and some atmospheric, ...

We are streamlining some climate pages including removal of the ENSO Outlook. From 10 December our climate information is available on the Southern Hemisphere monitoring and Southern Hemisphere ...