weather ECMWF & GFS ECMWF https://www.tropicaltidbits.com/analysis/models/?model=ecmwf®ion=us&pkg=z500a&runtime=2017081112&fh=384&xpos=0&ypos=3.75 GFS https://www.tropicaltidbits.com/analysis/models/?model=gfs®ion=us&pkg=z500a&runtime=2017081118&fh=372&xpos=0&ypos=67.5