GFA - Graphical Forecasts for Aviation

The FAAs Graphical Forecasts for Aviation - formerly known as the HEMS tool is a special weather awareness product that, although initially developed secifically for the world of HEMS (Helicopter Emergency Medical Services) operations it now has evolved into a one-stop shop for all live and forecast weather information.

You can use the full live version of the tool right here on CFIBastian.com below. 

Alternatively you can visit their website here.