GFS ensemble guidance for May 11 indicates London's daily max temp will likely exceed 14°C. A 7°C high is a significant negative thermal anomaly, requiring intense cold advection. No synoptic pattern supports this extreme low. 95% NO — invalid if polar vortex disruption.
GFS ensemble guidance for May 11 indicates London's daily max temp will likely exceed 14°C. A 7°C high is a significant negative thermal anomaly, requiring intense cold advection. No synoptic pattern supports this extreme low. 95% NO — invalid if polar vortex disruption.