NOAA's powerful Global Forecast System model was upgraded today, providing forecasters with a more accurate 4-D picture of how a weather system will evolve. The upgrade is the latest of a number of model improvements rolling out this spring and summer, thanks to increased supercomputing power NOAA acquired earlier this year. More information on the May 11, 2016 GFS upgrade here: http://www.noaa.gov/noaa’s-premier-forecast-model-goes-four-dimensional Video Credit: NOAA | U.S. National Weather Ser

Get ready for a wild weekend of weather as Tropical Cyclone Owen tours Eastern Queensland! Weather threats include damaging winds, possible tornadoes, water spouts, heavy rainfall, flash flooding and elevated sea levels. Note that some computer models are forecasting wind gusts in Mackay to be even stronger than what we received during Cyclone Debbie. Please refer to the Bureau of Meteorology for official forecasts and warnings which will be issued over the coming days. This computer model simul

Here's the latest look at the GFS/American model for the timing of the upcoming rainmaker. Most Bay Area locations will remain dry through Saturday afternoon. Rain chances begin to increase from north to south Saturday night and into Sunday. | US National Weather Service San Francisco Bay Area/Monterey California

The GFS Model out through 240 hours shows one solution to the evolution of the two low pressure systems that will impact the state over the next several days. The blue/purple color represents higher moisture, while the orange/red color indicates drier air. | US National Weather Service Tucson Arizona

This is how the GFS model predicts #Dorian will move through the week. | The Weather Channel

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