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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
16:57 EST The Top End of the Northern Territory has experienced one of its coldest starts to May on record, which has mango trees flowering earlier than usual.