Northern Territory Sea Surface Temperature Anomalies
The sea surface temperature anomaly (SSTA) is the difference between the observed SST and the climatological SST. These anomalies are calculated on a weekly basis.
Positive SSTAs are usually correlated with increased regions of convection (cloudiness and rainfall) while negative SSTAs are usually correlated to reduced convection.
SSTAs can be used as an indicator of the phase of global climate fluctuations, such as the El Nino/Southern Oscillation (ENSO).
The data displayed in this map is the weekly average, centred on the date shown.
A cold front has brought damaging wind gusts to parts of Victoria with more on the way.
Weather records for seven Queensland regions have been re-written, with Saturday's unseasonable temperatures setting the new benchmark for the hottest July day in seven locations, the Bureau of Meteorology says.
Residents are warned to take care outdoors as snow, hail and wind gusts send Tasmania into a big chill.