ECMWF site updated their maps... http://stream.ecmwf.int/data/atls14/data/data03/scratch/render-atls14-98f536083ae965b31b0d04811be6f4c6-lWptbe.png http://www.ecmwf.int/en/forecasts/charts/catalogue/medium-z500-t850-public?time=2017050312,0,2017050312&projection=classical_north_america