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
'Very dangerous storms' could be on the way for Queensland, BOM says, after thousands left without power
21:22 EDT
The Bureau of Meteorology (BOM) says very dangerous storms are possible in large parts of Queensland on Tuesday, with severe storms forecast for eastern and northern areas of the state.
NSW wet weather inundates Central Coast as rockslide damages homes at Great Mackerel Beach
19:26 EDT
Police say two homes have been damaged — one extensively — during a rockslide at Great Mackerel Beach on Sydney's northern beaches.
