Every 2 minutes Window reads NEA's lightning detectors, rain radar and rain gauges around Pasir Ris. It tells you when a thunderstorm is closing in and roughly when it will arrive, when to stay indoors because lightning is within 10 km, and when rain is likely in the next two hours.
Haze for Pasir Ris comes from NEA's East region monitors (24-hour PSI and 1-hour PM2.5). The nearest rain gauges are Pasir Ris Street 51 (0.3 km) and Pasir Ris Walk (1.8 km).
Alerts for Pasir Ris on Telegram: @WindowSingaporeBot. A heads-up before storms and when haze turns unhealthy; nothing for maybes.