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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
15:26 EST Ita's remnants have gained strength in time to lash New Zealand with damaging wind and flooding rains to rival its impact on Queensland.