Western Australia South 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.
Some homes in the community of Borroloola on the Gulf of Carpentaria have been evacuated with 74 residents sheltering elsewhere, as they wait for Cyclone Alfred to make landfall about sunrise on Tuesday.
Shacks in the fishing village of King Ash Bay in the Northern Territory's Gulf of Carpentaria have been flooded by the McArthur River.
Early today, a tropical low that has been lingering over the Gulf of Carpentaria was upgraded to tropical cyclone.