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Lightning injuries are divided into direct strikes, side splash, contact injury, and ground current. [1] Ground current occurs when the lightning strikes nearby and travels to the person through the ground. [1] Side splash makes up about a third of cases and occurs when lightning strikes nearby and jumps through the air to the person. [1]
A lightning strike can also create a large Lichtenberg figure in grass surrounding the point struck. These are sometimes found on golf courses or in grassy meadows. [ 12 ] Branching root-shaped " fulgurite " mineral deposits may also be created as sand and soil are fused into glassy tubes by the intense heat of the current.
This is known as the "let go threshold" and is a criterion for shock hazard in electrical regulations. The current may, if it is high enough, cause tissue damage or fibrillation which can cause cardiac arrest; more than 30 mA [ 12 ] of AC (rms, 60 Hz) or 300–500 mA of DC at high voltage can cause fibrillation.
When there's thunder and lightning outside, childhood instinct says to hide under the covers. Check out these crazy lightning snapshots: Unfortunately, a woman in Michigan found out this week that ...
Dramatic footage shows lightning striking inches away from cars in a police car park in Florida. This video, shared by the Lee County Sheriff's Office on Thursday, 16 August, shows how the ...
Lightning struck metres away from a woman filming a storm in China. The woman captured the near disaster while closing her street stall during a sudden downpour in Dongguan, in China's Guangdong ...
Lightning interferes with amplitude modulation (AM) radio signals much more than frequency modulation (FM) signals, providing an easy way to gauge local lightning strike intensity. [34] To do so, one should tune a standard AM medium wave receiver to a frequency with no transmitting stations, and listen for crackles among the static. Stronger or ...
Sheet lightning is cloud-to-cloud lightning that exhibits a diffuse brightening of the surface of a cloud, caused by the actual discharge path being hidden or too far away. The lightning itself cannot be seen by the spectator, so it appears as only a flash, or a sheet of light. The lightning may be too far away to discern individual flashes.