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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
07:06 EST The Bureau of Meteorology is warning Sydney and northern New South Wales could be in for another deluge, with a new low pressure system to form off the coast later this week.