Hourly (in UTC) and space distribution of lightenings registerred over Bulgarian territory during the last day - from 0h to 24h (ATDnet)

The Met Office designed and built "ATDnet" long range lightning location system is capable of locating thunderstorms at distances in excess of 10,000km and is operational 24 hours a day, 7 days a week.ATDnet (Arrival Time Differing NETwork) is in use since 1987 and its sensors are in Europe, Northern Africa and the North Atlantik.

UTC - Summer daylight saving time in Bulgaria is UTC+3, in Winter the local time is UTC+2

More about ATDnet