GFS/ECMWF ensemble consensus shows May 10 highs clustering 19-21°C. Persistent southerly low-level flow maintains warm advection. No upper-air support for a sustained cold plunge below 13°C. 95% NO — invalid if mid-latitude trough deepens unexpectedly.
GFS/ECMWF ensemble consensus shows May 10 highs clustering 19-21°C. Persistent southerly low-level flow maintains warm advection. No upper-air support for a sustained cold plunge below 13°C. 95% NO — invalid if mid-latitude trough deepens unexpectedly.