Moscow's late April climatology pegs mean highs near +10°C. A -1°C high is a severe negative anomaly, statistically improbable. Current synoptic models indicate dominant warm advection. 95% YES — invalid if extreme polar vortex penetration occurs.
Moscow's late April climatology pegs mean highs near +10°C. A -1°C high is a severe negative anomaly, statistically improbable. Current synoptic models indicate dominant warm advection. 95% YES — invalid if extreme polar vortex penetration occurs.