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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A digger's letter from snowbound Gallipoli

08:00 AEST In weather terms, the Anzacs at Gallipoli copped it all – from parched, scorching summers to freezing winters as weather systems with origins in the Russian Arctic surged southwards over Turkey.

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