Lightning is one of the most fascinating and at the same time dangerous natural phenomena on Earth. We see it during thunderstorms when powerful electrical discharges cross the sky, creating bright flashes of light. Lightning plays an important role in nature and even in human activities. These electrical phenomena can cause destruction, but they are also a necessary part of atmospheric processes. Here are several interesting facts about lightning that will help you better understand this natural phenomenon.
- A lightning strike can heat the air to temperatures five times hotter than the surface of the Sun. The air temperature during an electrical discharge in a lightning strike reaches about 30,000 °C. For comparison, the surface temperature of the Sun is about 5,500 °C.
- Around 8 million lightning strikes occur worldwide every day. This means that more than 100 lightning strikes happen every second on Earth. Lightning can occur anywhere on Earth, but it is most commonly observed in tropical regions.
- The average length of a lightning strike is about 5 kilometers, but it can stretch over distances of up to 20 kilometers or more. The longest lightning strikes can cover vast areas, sometimes even exceeding 100 kilometers. These lightning strikes can cross entire continents.
- Lightning can be deadly. Hundreds of people die each year as a result of lightning strikes. Statistically, the number of fatalities caused by lightning is around 2,000 annually worldwide.
- Interestingly, there are several types of lightning, and each can be classified into different types. One of the most famous is the “Catatumbo” lightning, which occurs over the Catatumbo River in Venezuela. It can last for up to 10 hours a day and is so powerful that it creates a continuous light phenomenon visible from long distances.
- Lightning can occur not only during thunderstorms but also within clouds. “Cloud lightning” is when electrical discharges happen within the cloud, creating bright flashes in the sky without reaching the ground.
- Lightning impacts the atmosphere and helps balance the nitrogen levels in the air. During thunderstorms, nitrogen in the air combines with oxygen, forming compounds that are later available for plants, which is essential for life on Earth.
- While most lightning strikes happen between the clouds and the ground, there are also “in-cloud lightning” occurrences. These occur when electrical discharges happen between different parts of the cloud without reaching the ground.
- The study of lightning has contributed to the development of the science of atmospheric discharges known as electrology. The use of technology to measure the power and frequency of lightning strikes became possible through the development of specialized instruments and sensors that allow for the study of their properties.
- Lightning can cause significant damage to property. Its impact on buildings, electrical devices, and other objects can be catastrophic. In some cases, lightning causes fires that destroy buildings and infrastructure.
- One of the most remarkable types of lightning is “spherical lightning,” which occurs in very rare instances. This lightning forms in the stratosphere and is almost invisible to the human eye, but it can create unique effects, including light flashes at high altitudes.
- Only 20% of all lightning strikes reach the ground, with the rest staying between the clouds or within them. It’s important to note that lightning occurring between clouds is less dangerous to humans, as it does not make direct contact with the ground.
- Interestingly, every lightning strike is unique in nature. It can have different power, speed, and direction, and even each flash is distinctive. This makes the study of lightning so fascinating and intriguing.
Lightning is a natural phenomenon that is an inseparable part of atmospheric processes on Earth. Its power, incredible speed, and ability to affect the environment evoke admiration and respect. Knowledge about lightning helps people reduce the risks associated with this dangerous natural phenomenon and better understand atmospheric processes on our planet.