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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
12:37 EST A deep low pressure trough created a light show for residents and visitors alike about northern parts of New South Wales, with some areas picking up daily rain not seen since April.