New South Wales/ACT 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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Giant hail and intense rain lash Qld, NSW

16:32 AEDT Severe thunderstorms have formed over parts of Qld and NSW this afternoon, with reports of hail around 7cm in diameter, intense rainfall and flooding and damaging winds.  The combination of a surface and upper-level trough and moisture-laden easterly winds are triggering severe thunderstorms across southeastern Qld and northeastern NSW.  The images below show the severe thunderstorms across the region on Wednesday afternoon.

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