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Other physical injury can be caused by objects damaged or thrown by the lightning strike. For example, lightning striking a nearby tree may vaporize sap, and the steam explosion often causes bark and wood fragments to be explosively ejected. Lightning strikes can also induce a transient paralysis known as 'keraunoparalysis'. [3]
Trees are frequent conductors of lightning to the ground. [27] Since sap is a relatively poor conductor, its electrical resistance causes it to be heated explosively into steam, which blows off the bark outside the lightning's path. In following seasons, trees overgrow the damaged area and may cover it completely, leaving only a vertical scar.
Huge splinters of wood, roughly 2 feet long, rained down a five-house radius.
A lightning strike struck a tree and set it on fire outside a real-estate business in Hilo, Hawaii, on March 8 after a thunderstorm rolled across Hawaii’s Big Island.Jessica Gauthier, owner of ...
Two people were taken to the hospital Saturday after lightning struck a tree near a home along a golf course that is hosting the PGA Tour's Travelers Championship. The home is just north of the ...
[3] [17] This happens especially with trees whose trunks are already dying or rotting. [3] [18] [19] The more usual result of lightning striking a tree, however, is a lightning scar, running down the bark, or simply root damage, whose only visible sign above ground is branches that were fed by the root dying back. [17] [20]