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Southern Hemisphere GFS Longwave 500hPa Height +120 hour Chart

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About GFS

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 The GFS superceded the AVN and MRF models, on which it is largely based.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.

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Perth lightning storm cuts power to thousands, delays flights

Audience submitted image 10:43 EDT A spectacular electrical storm over Perth overnight has blacked out more than 27,000 homes and businesses and caused flight delays.

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