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Lightning Alarm app
x Flash lightningalarm is the biggest real-time storm information service. By using Flash you prevent risky situations during any stormy weather. Especially being on a bike, at a golf course or in the open field during thunderstorms can be very risky.

You see three types of safety zones around your location. In real-time the lightning flashes are displayed on the map. Top left is the distance to the nearest Flash.

How does it work and what do you see?
Lightning at more than 30 km distance - SAFE
Lightning between 10 & 30 km distance - ALERT
Lightning within 10 km - Caution seek shelter