Quick Answer
Yes, it's crucial to avoid standing under trees in a lightning storm due to the risk of being struck directly by lightning or by side flashes that jump to a nearby metal object or water. Trees can also be conductors of electrical energy, making them even more hazardous. If possible, move away from trees and find a safer location.
Understanding Lightning Strikes and Tree Conduction
Lightning can strike a tree and jump to a person standing nearby, often referred to as a side flash. This can occur even if the person is not directly under the tree, but within a certain proximity. To estimate the risk, consider that side flashes can occur within a radius of 10-15 feet from the point of initial strike. If you’re within this range, your chances of being struck significantly increase.
Safety Precautions and Techniques
When avoiding trees in a lightning storm, remember to also steer clear of any metal objects, such as fences, golf clubs, bicycles, or other conductive materials. Water is also a conductor of electricity, so avoid standing near bodies of water, ponds, lakes, or even puddles. Crouch low with your feet together to reduce your chances of being struck. This position lowers your center of gravity, reducing your exposure to lightning. Aim to crouch with your weight evenly distributed between both feet, with your knees bent and your back straight. If you’re in an open area, find a depression or a low-lying area to crouch in, as these areas tend to be safer than the surrounding terrain.
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