Agriculture Weather


NINO3.4 Index

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  • Aus

The NINO3.4 index is one of several El Niño/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 Niño 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 Niño or La Niña event is identified if the 5-month running-average of the NINO3.4 index exceeds +0.4°C for El Niño or -0.4°C for La Niña for at least 6 consecutive months.

Southern Oscillation Index

SOI

Nino3.4 Index

Nino3.4
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Weather News

Wild Weather this Easter for New Zealand

14:42 EST

A cold front and low-pressure duo are currently battering central New Zealand, with heavy rain and lightning strikes set to continue through this evening.

Easter Monday rain for drought-weary NW NSW and SW QLD

08:36 EST

Some much needed rainfall is on the way for far northwestern parts of New South Wales and southwest Queensland.

Temperatures soar in Adelaide for second day ahead of imminent cold front

14:47 EST

As large parts of South Australia swelter through yet another day of above 30-degree heat, it is hard to believe that temperatures are expected to plummet into Easter Sunday by as much as 15 degrees.