ECMWF ensemble mean for WLG on April 28 projects 17.8°C. Post-frontal southerly advection dictates suppressed thermal profiles. No blocking high. The 19°C cap holds. 90% YES — invalid if transient ridge pushes advection north.
ECMWF ensemble mean for WLG on April 28 projects 17.8°C. Post-frontal southerly advection dictates suppressed thermal profiles. No blocking high. The 19°C cap holds. 90% YES — invalid if transient ridge pushes advection north.