Agriculture Weather
NINO3.4 Index
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
Nino3.4 Index
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Weather News
Queensland fires 'will not go out' for weeks commissioner warns as firefighters continue uphill battle
11:26 EDT
The fire emergency facing Queensland is still not over and it won't be for weeks, according to the Acting Fire Commissioner who says it will take a heavy dose of rainfall to get the 70-odd blazes under control.
Severe storm hits South East Queensland, bringing giant hailstones and destructive winds
11:01 EDT
Hailstones the size of cricket balls fell in the Sunshine Coast hinterland as parts of Brisbane and the Sunshine Coast were hit by storms on Sunday afternoon.
See how the winds are affecting bushfire conditions around the country
10:21 EDT
Strong and changeable winds can have a huge impact on how bushfires start and spread and how firefighters are able to try and contain them.
