Lightning - Wikipedia
Lightning occurs commonly during thunderstorms as well as other types of energetic weather systems, but volcanic lightning can also occur during volcanic eruptions. Lightning is an atmospheric electrical phenomenon and contributes to the global atmospheric electrical circuit.
The Science of Lightning | National Geographic - YouTube
2013年5月13日 · National Geographic explores the science behind lightning strikes. Lightning strikes during thunderstorms kill more Americans each year than either tornadoes or hurricanes....more.
Severe Weather 101: Lightning FAQ - NOAA National Severe Storms Laboratory
Does lightning strike from the sky down, or the ground up? The answer is both. Cloud-to-ground (CG) lightning comes from the sky down, but the part you see comes from the ground up.
Lightning Facts and Information - National Geographic
Positive lightning can stretch across the sky and strike "out of the blue" more than 10 miles from the storm cloud where it was born. The Impact of a Lightning Strike. Lightning is not only...
Lightning | Voltage, Causes, & Facts | Britannica
2024年10月8日 · lightning, the visible discharge of electricity that occurs when a region of a cloud acquires an excess electrical charge, either positive or negative, that is sufficient to break down the resistance of air. Is ball lightning real? Learn about the mysterious phenomenon of ball lightning. See all videos for this article.
Severe Weather 101: Lightning Types - NOAA National Severe …
A bolt from the blue can strike ground at a spot with “blue sky” above it. So even a storm that is 6 miles away can be dangerous. Cloud Flashes. There are many flashes which do not reach ground. Most of these remain within the cloud and are called intra-cloud (IC) lightning flashes.
What Causes Lightning and Thunder? - NOAA SciJinks
2024年9月11日 · If we are watching the sky, we see the lightning before we hear the thunder. That is because light travels much faster than sound waves. We can estimate the distance of the lightning by counting how many seconds it takes until we hear the thunder.
A New Look at Earth’s Lightning - NASA Earth Observatory
2022年1月10日 · The longest lightning bolt ever recorded spanned 709 kilometers (440 miles) as it crackled through skies over Argentina and Brazil for 11 seconds in 2018. Though the new approach does change some details of how we understand lightning, the overall patterns remain similar to before.
How does lightning work? - YouTube
From Science @ the Symphony: Can lightning strike the same place twice? Our friends from the Ontario Science Centre help explain!Music:Holst: The Planets: Ma...
Lightning - Education | National Geographic Society
2023年10月19日 · Lightning is very, very hot—hotter than the surface of the sun. It can reach 28,000 degrees Celsius (50,000 degrees Fahrenheit). Lightning is more likely to strike objects that stick up off of the ground, including people.