GFS/ECMWF ensemble guidance indicates high confidence for supra-60s highs. A 50-51°F high is an extreme negative anomaly for early May. No deep trough advection. 99% NO — invalid if polar vortex disruption creates unprecedented May cold front.
GFS/ECMWF ensemble guidance indicates high confidence for supra-60s highs. A 50-51°F high is an extreme negative anomaly for early May. No deep trough advection. 99% NO — invalid if polar vortex disruption creates unprecedented May cold front.