Every 2 minutes Window reads NEA's lightning detectors, rain radar and rain gauges around Bedok. 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 Bedok comes from NEA's East region monitors (24-hour PSI and 1-hour PM2.5). The nearest rain gauges are Bedok Stadium (1.8 km) and Marine Parade Road (2.3 km).
Alerts for Bedok on Telegram: @WindowSingaporeBot. A heads-up before storms and when haze turns unhealthy; nothing for maybes.