Neutral El Niño – Southern Oscillation (ENSO) conditions are now present in the tropical Pacific. The Southern Oscillation Index (SOI), and sea surface temperatures (SSTs) in the central Pacific (in ...

La Niña has now given way to ENSO-neutral conditions, and there is an 80% chance that ENSO-neutral conditions will continue during May-July 2025. As of 21 April, the 30-day NINO3.4 Index (in the ...

State Owned Enterprises Minister Simeon Brown and Science, Innovation and Technology Minister Shane Reti today jointly announced that Cabinet has agreed to proceed with NIWA’s acquisition of ...