Climatological data for Mexico City in late April shows a mean maximum temperature hovering around 27°C. A daily high of exactly 18°C represents a significant ~9°C negative thermal anomaly, requiring exceptional synoptic forcing like prolonged cold-air advection or persistent convective inhibition. Ensemble guidance indicates no such extreme pattern for April 28. An exact temperature hit is statistically improbable.
Climatological data for Mexico City in late April shows a mean maximum temperature hovering around 27°C. A daily high of exactly 18°C represents a significant ~9°C negative thermal anomaly, requiring exceptional synoptic forcing like prolonged cold-air advection or persistent convective inhibition. Ensemble guidance indicates no such extreme pattern for April 28. An exact temperature hit is statistically improbable.
