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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]
A lightning protection system is important when an older tree has had cabling or rodding placed on it for structural support. Lightning protection system for trees can reduces risks Skip to main ...
Huge splinters of wood, roughly 2 feet long, rained down a five-house radius.
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.
When a bolt strikes a tree it super-heats the sap throughout the tree and water in the sap turns to steam. "This happens in a split second," says Q13 FOX News Metoerologist M.J. McDermott.
[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]
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The tornado produced a final small area of significant damage, snapping or uprooting large tree trunks at EF2 intensity in the Morgan Brake National Wildlife Refuge. Beyond this point, the tornado weakened again and produced additional EF0 to EF1 damage as it overturned pivot irrigation systems, damaged trees, and flipped or destroyed grain bins.