Fairfax Media Network

Agriculture Weather


NINO3.4 Index

  • location
  • Aus

The NINO3.4 index is one of several El Niņo/Southern Oscillation (ENSO) indicators based on sea surface temperatures.

NINO3.4 is the average sea surface temperature anomaly in the region bounded by 5°N to 5°S, from 170°W to 120°W. This region has large variability on El Niņo time scales, and is close to the region where changes in local sea-surface temperature are important for shifting the large region of rainfall typically located in the far western Pacific.

An El Niņo or La Niņa event is identified if the 5-month running-average of the NINO3.4 index exceeds +0.4°C for El Niņo or -0.4°C for La Niņa for at least 6 consecutive months.

Southern Oscillation Index

SOI

Nino3.4 Index

Nino3.4
Display Your Local Weather

Weather News

Kimberley cattle country soaked by January rains in great start to season

10:39 EDT

Cattle stations in the Kimberley region of Western Australia have had an extremely wet start to 2017.

Forbes Creek couple look to rebuild dream home one year after freak 'mini tornado'

06:51 EDT

On a windy night late last January, Jan and Geoff McKergow's dream home was torn to rubble.

Heating up across the southeastern capitals

11:19 EDT

A couple of scorchers are on the way for Adelaide, Melbourne, Canberra and Sydney over the next few days.