72H 96H 120H 144H 168H 192H 216H 240H 72 hour prognosis 96 hour prognosis 120 hour prognosis 144 hour prognosis 168 hour prognosis 192 hour prognosis 216 hour prognosis 240 hour prognosis 120 hour prognosis LONG RANGE FORECASTS - European Centre for Medium-Range Weather Forecasts (ECMWF)