IRMA path/ tropicaltidbits.com/analysis/models/gfs/2017090812/gfs_z500_mslp_us_1.png [-chart]tropicaltidbits.com/analysis/models/gfs/2017090812/gfs_z500_mslp_us_1.png https://www.tropicaltidbits.com/analysis/models/?model=ecmwf%C2%AEion=us&pkg=z500_mslp&runtime=2017090812&fh=0&xpos=0&ypos=332