Southern Hemisphere GFS Longwave 500hPa Height Summary
Global Forecast System. The operational numerical weather forecasting model run by NCEP. The GFS superceded the AVN and MRF models, on which it is largely based. Forecast data from the GFS is available out to 180 hours at full resolution and 16 days at a reduced resolution.
Adelaide has recorded one of its hottest October days in 70 years, with the temperature reaching 35.6 degrees Celsius, as Country Fire Service (CFS) crews battle blazes across the state.
Monday was the earliest October day to surpass 30 degrees Celsius in Canberra since records began in 1939.
Melbourne has sweated through its hottest start to spring on record, with hot and blustery conditions expected to continue on Tuesday.