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A lightning strike or lightning bolt is a lightning event in which an electric discharge takes place between the atmosphere and the ground. Most originate in a cumulonimbus cloud and terminate on the ground, called cloud-to-ground (CG) lightning.
Buildings or tall structures hit by lightning may be damaged as the lightning seeks unimpeded paths to the ground. By safely conducting a lightning strike to the ground, a lightning protection system, usually incorporating at least one lightning rod, can greatly reduce the probability of severe property damage.
Lightning strikes are grouped into four categories: direct strikes, side splash, contact injury, and ground current. [1] Direct strike: lightning directly hits the person Orifice entry: may occur if lightning strike occurs near the head entering eyes, ears and mouth to flow internally
A ground current, the electricity that flows through the ground away from the point where lightning strikes, puts anyone nearby the strike at risk of shock. Ground currents affect a much larger ...
The lightning may be too far away to discern individual flashes. Smooth channel lightning is an informal term referring to a type of cloud-to-ground lightning strike that has no visible branching and appears like a line with smooth curves as opposed to the jagged appearance of most lightning channels. They are a form of positive lightning ...
Lightning can strike several miles away from a thunderstorm. Lightning is a danger even if it isn't raining. According to NOAA , lightning can strike ground more than 3 miles from the center of ...
Fragments of Constantine's Arch lie on the ground after lightning struck it during a storm in Rome, Italy on Sept. 3, 2024.
Fulgurites are formed when lightning strikes the ground, fusing and vitrifying mineral grains. [7] The primary SiO 2 phase in common tube fulgurites is lechatelierite, an amorphous silica glass. Many fulgurites show some evidence of crystallization: in addition to glasses, many are partially protocrystalline or microcrystalline.