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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
17:21 EDT Stone fruit growers in the Perth Hills region of Western Australia, are trying to figure out why they're picking up to 20 days earlier than usual this season.