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Global 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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Weather News

One year anniversary of destructive Brisbane hail storm; residents reminded to prepare for storm season

07:24 EDT

It is a year today since Brisbane was smashed by the worst hail storm in 30 years, one that left a trail of destruction and a damage bill of more than $1.3 billion.

Reprieve for drought affected Walgett Shire

07:12 EDT

Drought affected farmers and businesses in the Walgett Shire are getting a reprieve, with the Council agreeing to waive the interest on overdue rates.

A country of contrasts

06:20 EDT

Australia lived up to it's reputation yesterday, with a vast contrast in conditions across the states.