If you are caught outside in a storm, take shelter in a vehicle if possible. Stay inside until after the storm passes and you can no longer hear thunder. If you can hear thunder, you are close enough to a storm to be hit be lightning, the National Weather Service warns. The best place to be during a thunderstorm is inside, so remember to heed this advice: When thunder roars, go indoors. The chances of a person in the United States being struck by lightning in their lifetime (estimated at 80 years) is 1 in 15,300, the weather service reports. Only about 10% of lightning strikes result in death, although many victims of lightning strikes are left with lasting effects. However, the vast majority of people who are struck by lightning do not die. The 30-year average, using data from 1989 to 2018, is 43 lightning fatalities per year. In the past 10 years, between 20, an average of 27 people have been killed annually in the United States by lightning strikes, according to the weather service. Only floods and tornadoes kill more people each year than lightning. It is a major cause of storm-related deaths in the United States, according to the National Weather Service.
Lightning is one of the oldest observed natural phenomena on Earth - and it's one of the most deadly. In some cases, this is simply a statistical anomaly, but some sites are more likely to be struck repeatedly because of the specific properties of a particular location. Many factors can affect the ability of a particular spot to conduct electricity, including the presence of water, moisture, rocks, salt and other minerals, and metal in the ground, the storm lab reports. Even the shape of the terrain and the presence of leaves and plant matter may make a spot more likely to be struck. These tall buildings are often hit by lighting because lightning frequently - but not always - strikes the tallest object, because it is the easiest path for it to take, according to the severe storms lab.īut even apart from these tall structures, it's possible for one spot to be struck more than once. Many tall structures are frequently hit by lightning - think of skyscrapers in big cities. The idea that lightning can't strike the same place twice is a long-held belief, but has no basis in truth. We typically associate lightning with thunderstorms, and all thunderstorms do produce lightning, but lightning also occurs in strong hurricanes, heavy snowstorms, intense wildfires, volcanic eruptions and in nuclear detonations, according to the National Severe Storms Laboratory. The lightning strike equalizes the positive and negative charges, and then they begin to build up again. When the opposite charges build up, the air loses its ability to act as an insulator and the electricity is discharged in the form of lightning. It develops because the air serves as an insulator between positive and negative charges in clouds and between clouds and the ground. Essentially, lightning is a giant spark of electricity moving through the atmosphere, between clouds, the air and/or the ground, according to the National Severe Storms Laboratory. To understand why a lightning strike is so dangerous, it helps to understand what lightning is. Lightning can - and does - strike the same place more than once. The idea that lightning won't strike the same place twice is a dangerous myth.
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