Wellington's April mean max is 17.2°C. GFS 12z ensemble median for April 27 projects 19.1°C, driven by robust northerly advection. Probabilistic exceedance for 19°C is 70%. 70% YES — invalid if GFS 00z/12z shifts to southerly flow.
Wellington's April mean max is 17.2°C. GFS 12z ensemble median for April 27 projects 19.1°C, driven by robust northerly advection. Probabilistic exceedance for 19°C is 70%. 70% YES — invalid if GFS 00z/12z shifts to southerly flow.