Climatological mean max for Singapore in April is 31.7°C. Yet, recent diurnal peaks hit 33.1°C. High regional SSTs and urban heat island effects, coupled with GFS insolation forecasts, guarantee breaching 32°C. 95% YES — invalid if significant cloud cover or sustained heavy rainfall develops before 1400 SGT.
Climatological mean max for Singapore in April is 31.7°C. Yet, recent diurnal peaks hit 33.1°C. High regional SSTs and urban heat island effects, coupled with GFS insolation forecasts, guarantee breaching 32°C. 95% YES — invalid if significant cloud cover or sustained heavy rainfall develops before 1400 SGT.