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Australia Sea Surface Temperature

The sea surface temperature (SST) varies much more slowly than atmospheric temperatures due to the heat capacity of water. As such, the SSTs lag the atmospheric temperatures on a seasonal timescale by about 3 months. The lowest SSTs are usually observed in early Spring and the highest SSTs are observed in early Autumn.

In tropical regions, SSTs greater than 26°C are considered suitable for formation of tropical cyclones.

The data displayed in this map is the weekly average, centred on the date shown.

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Record-breaking heat wave beginning to scorch western NSW

15:40 EDT Western New South Wales has begun a heat wave and it is likely to become record-breaking in the far west where maximum temperatures should average as much as 40 degrees over seven days.

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