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NINO3.4 Index
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
Nino3.4 Index
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Shiseido Tahiti Surf Pro forecast
13:40 AEST After an emotional mid-season cut, and an exciting final which saw Australian Jack Robinson claim the win at Margaret River, the World Surf League tour is off to the spectacular and monstrous waves at Teahupo'o in Tahiti, French Polynesia. Teahupo'o was for a long time not even considered a wave, with the mass of the ocean folding over itself into deadly shallow reef.
- 14:36 AEST Go west. Life is warm there.
- 12:56 AEST Sydney feeling no warmer than 10°C this afternoon
- 15:14 AEST Melbourne freezing, Tassie snowing, Sydney basking
- 09:25 AEST Fog blankets Sydney halting ferries
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