ECMWF ensemble means show daily max above -2°C for Apr 27. Strong ridge over western Russia limits cold advection. No polar vortex lobe interaction. This thermal threshold is highly improbable. 95% NO — invalid if GFS flips to deep arctic trough.
ECMWF ensemble means show daily max above -2°C for Apr 27. Strong ridge over western Russia limits cold advection. No polar vortex lobe interaction. This thermal threshold is highly improbable. 95% NO — invalid if GFS flips to deep arctic trough.