In cases where there is no equipment or tools to help measure your risk of the occurrence of lightning. If there are clouds, Thunderclouds are overhead, and then the hairs rise on the skin or in the hair on the head, standing, vertical. Shows that are currently at risk of being struck by lightning or thunderstorms near within 16 kilometres and then there's lightning or the lightning and hear the Thunder after lightning less than 30 seconds, it indicates that the risk zone near the lightning which everyone must act to prevent danger from lightning. As follows:
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