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Southern Hemisphere GFS Longwave 500hPa Height +120 hour Chart
- Southern Hemisphere
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 The GFS superceded the AVN and MRF models, on which it is largely based.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.
Sydneysiders have endured their hottest summer since records began, with official data revealing records across the city were smashed during the 2016-17 season.
Western Australia's biggest wet season on record is coming to an end, with just one more weak tropical low forecast for next week.
Sydney just endured its hottest summer in more than 150 years, setting a number of new records relating to heat.