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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
13:44 EST Southeastern QLD has endured chilly mornings over the past few days, with some places seeing their coolest run of May mornings in 30 years.