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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
14:00 EST The bureau says for the last month of winter and the first two months of spring, rainfall in Tasmania should be average apart from the state's northeast.