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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
09:44 EDT The Mannix family say they've been 'chasing the drought' for months; it's a full time job to keep their property ticking over during such a dry time.